Climate Change in Frederiksted, Unknown

74+ years of recorded temperature data show Frederiksted is warming.

Based on our analysis of 74 years of temperature data near Frederiksted, VI, this area shows a warming trend of approximately +0.3°F per decade. 10 of the last 10 years recorded above-average temperatures, and 2024 was the warmest year on record at +2.2°F above the historical baseline.

Key Climate Facts

Rate of Change

+0.3°F

per decade

Warmest Year

2024

+2.2°F anomaly

Recent Warm Years

10 / 10

above-average years

Decade Shift

+2.3°F

2020s vs 1950s

Compared to the National Average

Frederiksted is warming 0.1°F/decade faster than the national average.

National: +0.20°F/decade
Frederiksted: +0.34°F/decade

Climate Spiral

Each ring represents one year of monthly temperatures. Blue indicates cooler-than-average periods; red indicates warmer. The outward drift over time reveals Frederiksted's long-term warming trend.

Temperature anomaly spiral for Frederiksted, Unknown
Climate spiral: monthly temperature anomalies from 74+ years of NOAA records for Frederiksted, VI.

Warming Stripes

Each vertical stripe represents one year. The color gradient from blue to red shows how annual temperatures have shifted relative to the historical average.

Warming stripes for Frederiksted, Unknown
Warming stripes: each stripe is one year of average temperature anomaly for Frederiksted, VI.

Temperature Trend

Annual temperature anomalies plotted over time with a linear regression trend line. The slope of +0.34°F per decade quantifies the rate of change.

Temperature trend chart for Frederiksted, Unknown
Linear trend: annual temperature anomalies with trend line for Frederiksted, VI.

Temperature by Decade

1950s
-0.70°F
1960s
-1.55°F
1970s
-0.59°F
1980s
-0.19°F
1990s
+0.64°F
2000s
+0.23°F
2010s
+0.48°F
2020s
+1.56°F

Average temperature anomaly per decade relative to the historical baseline period.

Anomaly Scale

-3.2°F Colder Normal +2.3°F Warmer

Color bounds are set to the 5th and 95th percentile of anomalies to avoid outlier washout.

Monthly Temperature Records

Complete monthly temperature record for Frederiksted, VI. Filter by decade or download as CSV.

Data Sources & Audit

Station
HENRY E. ROHLSEN AIRPORT, VI US
Distance
4.7 mi
Coverage
77.1%
Records
703
Range
1951-03 – 2026-01
Gap-filled
180 from 10 stations
Full Data Audit 883 records
YearMonthTempBaselineAnomalySourceGap
1951Mar75.8°F77.9°F-2.1°VQW00011624
1951Apr79.9°F79.3°F+0.6°VQW00011624
1951May80.9°F80.8°F+0.1°VQW00011624
1951Jun81.5°F82.8°F-1.3°VQW00011624
1951Jul81.5°F83.3°F-1.8°VQW00011624
1951Aug82.6°F83.2°F-0.6°VQW00011624
1951Sep81.1°F82.5°F-1.3°VQW00011624
1951Oct80.3°F81.5°F-1.2°VQW00011624
1951Nov80.2°F80.2°F+0.0°VQW00011624
1951Dec78.7°F78.7°F+0.0°VQW00011624
1952Jan76.4°F77.5°F-1.0°VQW00011624
1952Feb76.4°F77.6°F-1.1°VQW00011624
1952Mar77.8°F77.9°F-0.1°VQW00011624
1952Apr79.4°F79.3°F+0.2°VQW00011624
1952May81.1°F80.8°F+0.3°VQW00011624
1952Jun82.8°F82.8°F+0.1°VQW00011624
1952Jul81.2°F83.3°F-2.0°VQW00011624
1952Aug82.2°F83.2°F-1.0°VQW00011624
1952Sep81.0°F82.5°F-1.5°VQW00011624
1952Oct81.7°F81.5°F+0.2°VQW00011624
1952Nov78.8°F80.2°F-1.4°VQW00011624
1952Dec76.4°F78.7°F-2.3°VQW00011624
1953Jan76.9°F77.5°F-0.5°VQW00011624
1953Feb77.0°F77.6°F-0.6°VQW00011624
1953Mar77.0°F77.9°F-0.8°VQW00011624
1953Apr79.3°F79.3°F+0.0°VQW00011624
1953May80.9°F80.8°F+0.1°VQW00011624
1953Jun81.8°F82.8°F-1.0°VQW00011624
1953Jul82.1°F83.3°F-1.1°VQW00011624
1953Aug82.5°F83.2°F-0.7°VQW00011624
1953Sep82.1°F82.5°F-0.4°VQW00011624
1953Oct81.3°F81.5°F-0.2°VQW00011624
1953Nov79.3°F80.2°F-1.0°VQW00011624
1953Dec78.0°F78.7°F-0.7°VQW00011624
1954Jan76.3°F77.5°F-1.2°VQW00011624
1954Feb76.7°F77.6°F-0.8°VQW00011624
1954Mar77.3°F77.9°F-0.6°VQW00011624
1954Apr77.3°F79.3°F-2.0°VQW00011624
1954May79.8°F80.8°F-1.0°VQW00011624
1954Jun81.6°F82.8°F-1.2°VQW00011624
1954Jul82.2°F83.3°F-1.1°VQW00011624
1954Aug82.0°F83.2°F-1.2°VQW00011624
1954Sep80.0°F82.5°F-2.5°VQW00011624
1954Oct78.8°F81.5°F-2.7°VQW00011624
1954Nov78.9°F80.2°F-1.3°VQW00011624
1954Dec76.8°F78.7°F-1.9°VQW00011624
1955Jan75.4°F77.5°F-2.1°VQW00011624
1955Feb76.6°F77.6°F-0.9°VQW00011624
1955Mar75.9°F77.9°F-2.0°VQW00011624
1955Apr76.5°F79.3°F-2.7°VQW00011624
1955May79.4°F80.8°F-1.4°VQW00011624
1955Jun80.6°F82.8°F-2.2°VQW00011624
1955Jul81.4°F83.3°F-1.8°VQW00011624
1955Aug81.4°F83.2°F-1.8°VQW00011624
1955Sep80.7°F82.5°F-1.8°VQW00011624
1955Oct80.6°F81.5°F-0.9°VQW00011624
1955Nov79.2°F80.2°F-1.0°VQW00011624
1955Dec77.8°F78.7°F-0.9°VQW00011624
1956Jan75.9°F77.5°F-1.6°VQW00011624
1956Feb76.0°F77.6°F-1.6°VQW00011624
1956Mar77.4°F77.9°F-0.4°VQW00011624
1956Apr78.5°F79.3°F-0.8°VQW00011624
1956May80.6°F80.8°F-0.2°VQW00011624
1956Jun81.2°F82.8°F-1.6°VQW00011624
1956Jul81.2°F83.3°F-2.1°VQW00011624
1956Aug81.4°F83.2°F-1.8°VQW00011624
1956Sep81.6°F82.5°F-0.8°VQW00011624
1956Oct80.6°F81.5°F-0.9°VQW00011624
1956Nov79.0°F80.2°F-1.3°VQW00011624
1956Dec77.6°F78.7°F-1.1°VQW00011624
1957Jan77.5°F77.5°F+0.0°VQW00011624
1957Feb77.3°F77.6°F-0.3°VQW00011624
1957Mar77.0°F77.9°F-0.9°VQW00011624
1957Apr79.2°F79.3°F-0.1°VQW00011624
1957May80.4°F80.8°F-0.4°VQW00011624
1957Jun82.1°F82.8°F-0.7°VQW00011624
1957Jul83.1°F83.3°F-0.2°VQW00011624
1957Aug82.9°F83.2°F-0.3°VQW00011624
1957Sep82.9°F82.5°F+0.5°VQW00011624
1957Oct81.6°F81.5°F+0.1°VQW00011624
1957Nov80.6°F80.2°F+0.4°VQW00011624
1957Dec78.2°F78.7°F-0.5°VQW00011624
1958Jan77.1°F77.5°F-0.4°VQW00011624
1958Feb76.9°F77.6°F-0.7°VQW00011624
1958Mar79.9°F77.9°F+2.0°VQW00011624
1958Apr82.0°F79.3°F+2.7°VQW00011624
1958May81.2°F80.8°F+0.5°VQW00011624
1958Jun83.3°F82.8°F+0.5°VQW00011624
1958Jul81.6°F83.3°F-1.7°VQW00011624
1958Aug82.4°F83.2°F-0.8°VQW00011624
1958Sep82.6°F82.5°F+0.2°VQW00011624
1958Oct81.5°F81.5°F+0.0°VQW00011624
1958Nov80.2°F80.2°F+0.0°VQW00011624
1958Dec79.4°F78.7°F+0.7°VQW00011624
1959Jan77.5°F77.5°F+0.0°VQW00011624
1959Feb77.5°F77.6°F-0.1°VQW00011624
1959Mar79.3°F77.9°F+1.4°VQW00011624
1959Apr80.2°F79.3°F+0.9°VQW00011624
1959May79.1°F80.8°F-1.6°VQW00011624
1959Jun82.1°F82.8°F-0.6°VQW00011624
1959Jul81.8°F83.3°F-1.4°VQW00011624
1959Aug82.1°F83.2°F-1.1°VQW00011624
1959Sep83.0°F82.5°F+0.6°VQW00011624
1959Oct82.3°F81.5°F+0.8°VQW00011624
1959Nov80.3°F80.2°F+0.1°VQW00011624
1959Dec79.9°F78.7°F+1.2°VQW00011624
1960Jan79.1°F77.5°F+1.6°VQW00011624
1960Feb78.7°F77.6°F+1.2°VQW00011624
1960Mar79.0°F77.9°F+1.1°VQW00011624
1960Apr80.2°F79.3°F+1.0°VQW00011624
1960May81.1°F80.8°F+0.3°VQW00011624
1960Jun82.5°F82.8°F-0.3°VQW00011624
1960Jul82.1°F83.3°F-1.2°VQW00011624
1960Aug82.4°F83.2°F-0.8°VQW00011624
1960Sep81.2°F82.5°F-1.3°VQW00011624
1960Oct82.7°F81.5°F+1.2°VQW00011624
1960Nov81.0°F80.2°F+0.7°VQW00011640
1960Dec78.0°F78.7°F-0.7°VQW00011624
1961Jan78.5°F77.5°F+1.0°VQW00011624
1961Feb78.5°F77.6°F+0.9°VQW00011624
1961Mar78.3°F77.9°F+0.5°VQW00011624
1961Apr80.5°F79.3°F+1.3°VQW00011624
1961May82.0°F80.8°F+1.2°VQW00011624
1961Jun82.6°F82.8°F-0.2°VQW00011624
1961Jul81.2°F83.3°F-2.1°RQC00669763
1961Aug81.8°F83.2°F-1.4°RQC00669763
1961Sep80.9°F82.5°F-1.5°RQC00669763
1961Oct80.1°F81.5°F-1.4°RQC00669763
1961Nov77.3°F80.2°F-2.9°RQC00669763
1961Dec77.1°F78.7°F-1.6°RQC00669763
1962Oct81.1°F81.5°F-0.4°VQW00011624
1962Nov79.8°F80.2°F-0.4°VQW00011624
1962Dec78.3°F78.7°F-0.4°VQW00011624
1963Jan76.7°F77.5°F-0.8°VQW00011624
1963Feb77.6°F77.6°F+0.0°VQW00011624
1963Mar78.5°F77.9°F+0.6°VQW00011624
1963Apr79.2°F79.3°F-0.1°VQW00011624
1963May80.0°F80.8°F-0.8°VQW00011624
1963Jun82.0°F82.8°F-0.8°VQW00011624
1963Jul82.0°F83.3°F-1.3°VQW00011624
1963Aug82.5°F83.2°F-0.7°VQW00011624
1963Sep82.6°F82.5°F+0.2°VQW00011624
1963Oct83.2°F81.5°F+1.7°VQW00011624
1963Nov80.4°F80.2°F+0.2°VQW00011624
1963Dec80.2°F78.7°F+1.5°VQW00011624
1964Jan77.1°F77.5°F-0.4°VQW00011624
1964Feb78.4°F77.6°F+0.8°VQW00011624
1964Mar78.6°F77.9°F+0.7°VQW00011624
1964Apr79.2°F79.3°F-0.1°VQW00011624
1964May81.9°F80.8°F+1.1°VQW00011624
1964Jun83.6°F82.8°F+0.8°VQW00011624
1964Jul82.3°F83.3°F-1.0°VQW00011624
1964Aug82.9°F83.2°F-0.3°VQW00011624
1964Sep82.2°F82.5°F-0.3°VQW00011624
1964Oct81.9°F81.5°F+0.4°VQW00011624
1964Nov79.7°F80.2°F-0.5°VQW00011624
1964Dec75.8°F78.7°F-2.9°VQW00011624
1965Jan75.7°F77.5°F-1.8°VQW00011624
1965Feb75.2°F77.6°F-2.4°RQC00669763
1965Mar77.6°F77.9°F-0.2°RQC00669763
1965Apr76.9°F79.3°F-2.3°RQC00669763
1965May78.3°F80.8°F-2.5°RQC00669763
1965Jun79.0°F82.8°F-3.8°RQC00669763
1965Jul80.7°F83.3°F-2.6°RQC00669763
1965Aug80.0°F83.2°F-3.2°RQC00669763
1965Sep80.2°F82.5°F-2.2°RQC00669763
1965Oct79.9°F81.5°F-1.6°RQC00669763
1965Nov78.2°F80.2°F-2.1°RQC00669763
1965Dec76.1°F78.7°F-2.6°RQC00669763
1966Jan75.7°F77.5°F-1.8°RQC00669763
1966Feb75.7°F77.6°F-1.9°RQC00669763
1966Mar76.2°F77.9°F-1.7°RQC00669763
1966Apr77.6°F79.3°F-1.6°RQC00669763
1966May78.4°F80.8°F-2.3°RQC00669763
1966Jun80.2°F82.8°F-2.6°RQC00669763
1966Jul80.9°F83.3°F-2.3°RQC00669763
1966Aug80.8°F83.2°F-2.4°RQC00669763
1966Sep79.6°F82.5°F-2.8°RQC00669763
1966Oct79.0°F81.5°F-2.5°RQC00669763
1966Nov76.9°F80.2°F-3.3°RQC00669763
1966Dec74.8°F78.7°F-3.9°RQC00669763
1967Jan74.3°F77.5°F-3.2°RQC00669763
1967Feb73.7°F77.6°F-3.9°RQC00669763
1967Mar73.3°F77.9°F-4.6°RQC00669763
1967Apr74.5°F79.3°F-4.7°RQC00669763
1967May76.7°F80.8°F-4.1°RQC00669763
1967Jun79.4°F82.8°F-3.4°RQC00669763
1967Jul78.2°F83.3°F-5.0°RQC00669763
1967Aug79.3°F83.2°F-3.9°RQC00669763
1967Sep78.8°F82.5°F-3.7°RQC00669763
1967Oct77.8°F81.5°F-3.7°RQC00669763
1967Nov76.8°F80.2°F-3.5°RQC00669763
1967Dec74.0°F78.7°F-4.7°RQC00669763
1968Jan72.5°F77.5°F-5.0°RQC00669763
1968Feb72.2°F77.6°F-5.4°RQC00669763
1968Mar73.4°F77.9°F-4.5°RQC00669763
1968Apr72.9°F79.3°F-6.4°RQC00669763
1968May76.6°F80.8°F-4.2°RQC00669763
1968Jun77.7°F82.8°F-5.0°RQC00669763
1968Jul76.7°F83.3°F-6.6°RQC00669763
1968Aug77.4°F83.2°F-5.8°RQC00669763
1968Sep78.9°F82.5°F-3.5°RQC00669763
1968Oct78.3°F81.5°F-3.2°RQC00669763
1968Nov76.9°F80.2°F-3.3°RQC00669763
1968Dec73.7°F78.7°F-5.0°RQC00669763
1969Mar78.3°F77.9°F+0.4°RQC00669763
1969Apr81.0°F79.3°F+1.8°RQC00669763
1969May81.6°F80.8°F+0.8°RQC00669763
1969Jun82.8°F82.8°F+0.0°RQC00669763
1969Jul82.2°F83.3°F-1.1°RQC00669763
1969Aug82.2°F83.2°F-1.0°RQC00669763
1969Sep81.6°F82.5°F-0.9°RQC00669763
1969Oct82.1°F81.5°F+0.6°RQC00669763
1969Nov80.1°F80.2°F-0.1°RQC00669763
1969Dec78.7°F78.7°F+0.0°RQC00669763
1970Jan78.0°F77.5°F+0.5°RQC00669763
1970Feb76.2°F77.6°F-1.4°RQC00669763
1970Mar76.2°F77.9°F-1.7°RQC00669763
1970Apr78.8°F79.3°F-0.5°RQC00669763
1970May80.7°F80.8°F-0.1°RQC00669763
1970Jun81.5°F82.8°F-1.2°RQC00669763
1970Jul81.4°F83.3°F-1.9°RQC00669763
1970Aug82.2°F83.2°F-1.0°RQC00669763
1970Sep82.2°F82.5°F-0.2°RQC00669763
1970Oct80.9°F81.5°F-0.6°RQC00669763
1970Nov80.6°F80.2°F+0.4°RQC00669763
1970Dec78.6°F78.7°F-0.1°RQC00669763
1971Jan77.7°F77.5°F+0.2°RQC00669763
1971Feb76.2°F77.6°F-1.4°RQC00669763
1971Mar75.5°F77.9°F-2.3°RQC00669763
1971Apr77.5°F79.3°F-1.8°RQC00669763
1971May78.9°F80.8°F-1.9°RQC00669763
1971Jun81.4°F82.8°F-1.4°RQC00669763
1971Jul81.5°F83.3°F-1.7°RQC00669763
1971Aug80.9°F83.2°F-2.3°RQC00669763
1971Sep81.4°F82.5°F-1.0°RQC00669763
1971Oct79.9°F81.5°F-1.6°RQC00669763
1971Nov77.4°F80.2°F-2.8°RQC00669763
1971Dec74.2°F78.7°F-4.5°RQC00669763
1972Jan78.0°F77.5°F+0.5°VQW00011624
1972Feb78.6°F77.6°F+1.0°VQW00011624
1972Mar78.8°F77.9°F+1.0°VQW00011624
1972Apr81.3°F79.3°F+2.1°VQW00011624
1972May83.3°F80.8°F+2.5°VQW00011624
1972Jun85.0°F82.8°F+2.2°VQW00011624
1972Jul84.9°F83.3°F+1.7°VQW00011624
1972Aug84.5°F83.2°F+1.3°VQW00011624
1972Sep84.9°F82.5°F+2.4°VQW00011624
1972Oct84.3°F81.5°F+2.8°VQW00011624
1972Nov81.9°F80.2°F+1.6°VQW00011624
1972Dec79.7°F78.7°F+1.0°VQW00011624
1973Jan80.6°F77.5°F+3.1°VQW00011624
1973Feb78.9°F77.6°F+1.3°VQW00011624
1973Mar80.5°F77.9°F+2.6°VQW00011624
1973Apr81.7°F79.3°F+2.5°VQW00011624
1973May83.4°F80.8°F+2.6°VQW00011624
1973Jun84.1°F82.8°F+1.3°VQW00011624
1973Jul84.4°F83.3°F+1.1°VQW00011624
1973Aug84.6°F83.2°F+1.4°VQW00011624
1973Sep82.7°F82.5°F+0.2°VQW00011624
1973Oct82.1°F81.5°F+0.6°VQW00011624
1973Nov81.0°F80.2°F+0.8°VQW00011624
1973Dec77.8°F78.7°F-0.9°VQW00011624
1974Jan78.0°F77.5°F+0.5°VQW00011624
1974Feb77.5°F77.6°F-0.1°VQW00011624
1974Mar77.4°F77.9°F-0.5°VQW00011624
1974Apr79.2°F79.3°F+0.0°VQW00011624
1974May81.4°F80.8°F+0.6°VQW00011624
1974Jun83.7°F82.8°F+0.9°VQW00011624
1974Jul84.0°F83.3°F+0.7°VQW00011624
1974Aug84.0°F83.2°F+0.8°VQW00011624
1974Sep79.2°F82.5°F-3.2°VQC00670240
1974Oct78.5°F81.5°F-3.0°VQC00670240
1974Nov77.5°F80.2°F-2.7°VQW00011624
1974Dec77.4°F78.7°F-1.3°VQW00011624
1975Jan76.9°F77.5°F-0.6°VQW00011624
1975Feb77.7°F77.6°F+0.2°VQW00011624
1975Mar77.6°F77.9°F-0.3°VQW00011624
1975Apr77.2°F79.3°F-2.1°VQC00670240
1975May80.3°F80.8°F-0.5°VQW00011624
1975Jun83.1°F82.8°F+0.4°VQW00011624
1975Jul83.1°F83.3°F-0.2°VQW00011624
1975Aug81.7°F83.2°F-1.5°VQW00011624
1975Sep80.0°F82.5°F-2.5°VQW00011624
1975Oct79.3°F81.5°F-2.2°VQC00670240
1975Nov77.9°F80.2°F-2.3°VQC00670240
1975Dec74.2°F78.7°F-4.5°VQC00670240
1976Jan73.7°F77.5°F-3.8°VQC00670240
1976Feb73.2°F77.6°F-4.4°VQC00670240
1976Mar73.7°F77.9°F-4.1°VQC00670240
1976Apr75.8°F79.3°F-3.5°VQC00670240
1976May77.9°F80.8°F-2.9°VQC00670240
1976Jun78.9°F82.8°F-3.9°VQC00670240
1976Jul80.7°F83.3°F-2.6°VQC00670240
1976Aug80.8°F83.2°F-2.4°VQC00670240
1976Sep80.4°F82.5°F-2.1°VQC00670240
1976Oct79.8°F81.5°F-1.7°VQC00670240
1976Nov79.2°F80.2°F-1.0°VQC00670240
1976Dec76.5°F78.7°F-2.2°VQC00670240
1977Jan76.4°F77.5°F-1.1°VQC00670240
1977Feb76.8°F77.6°F-0.8°VQC00670240
1977Mar77.2°F77.9°F-0.6°VQC00670240
1977Apr79.7°F79.3°F+0.4°VQW00011624
1977May83.2°F80.8°F+2.4°VQW00011624
1977Jun84.3°F82.8°F+1.6°VQW00011624
1977Jul83.8°F83.3°F+0.6°VQW00011624
1977Aug82.8°F83.2°F-0.4°VQW00011624
1977Sep83.4°F82.5°F+0.9°VQW00011624
1977Oct80.9°F81.5°F-0.5°VQW00011624
1977Nov78.6°F80.2°F-1.6°VQW00011624
1977Dec79.4°F78.7°F+0.7°VQW00011624
1978Jan77.2°F77.5°F-0.3°VQW00011624
1978Feb77.8°F77.6°F+0.3°VQW00011624
1978Mar78.7°F77.9°F+0.9°VQW00011624
1978Apr79.6°F79.3°F+0.3°VQW00011624
1978May82.3°F80.8°F+1.6°VQW00011624
1978Jun83.9°F82.8°F+1.1°VQW00011624
1978Jul83.6°F83.3°F+0.4°VQW00011624
1978Aug81.4°F83.2°F-1.8°VQW00011624
1978Sep80.3°F82.5°F-2.1°VQW00011624
1978Oct81.1°F81.5°F-0.4°VQW00011624
1978Nov78.7°F80.2°F-1.6°VQW00011624
1978Dec78.3°F78.7°F-0.4°VQW00011624
1979Jan75.2°F77.5°F-2.3°VQW00011624
1979Feb76.9°F77.6°F-0.7°VQW00011624
1979Mar76.1°F77.9°F-1.7°VQW00011624
1979Apr77.9°F79.3°F-1.3°VQW00011624
1979May78.4°F80.8°F-2.4°VQW00011624
1979Jun80.2°F82.8°F-2.5°VQW00011624
1979Jul82.1°F83.3°F-1.2°VQW00011624
1979Aug82.7°F83.2°F-0.5°VQW00011624
1979Sep79.9°F82.5°F-2.6°VQC00670240
1979Oct80.9°F81.5°F-0.6°VQW00011624
1979Nov78.1°F80.2°F-2.1°VQW00011624
1979Dec78.0°F78.7°F-0.7°VQW00011624
1980Jan77.5°F77.5°F+0.0°VQW00011624
1980Feb78.1°F77.6°F+0.5°VQW00011624
1980Mar78.9°F77.9°F+1.0°VQW00011624
1980Apr80.1°F79.3°F+0.8°VQW00011624
1980May82.9°F80.8°F+2.1°VQW00011624
1980Jun85.6°F82.8°F+2.8°VQW00011624
1980Jul84.5°F83.3°F+1.2°VQW00011624
1980Aug83.7°F83.2°F+0.5°VQW00011624
1980Sep82.6°F82.5°F+0.2°VQW00011624
1980Oct83.0°F81.5°F+1.5°VQW00011624
1980Nov82.6°F80.2°F+2.3°VQW00011624
1980Dec77.9°F78.7°F-0.8°VQW00011624
1981Jan77.9°F77.5°F+0.4°VQW00011624
1981Feb79.0°F77.6°F+1.5°VQW00011624
1981Mar78.2°F77.9°F+0.3°VQC00670240
1981Apr80.5°F79.3°F+1.3°VQW00011624
1981May81.4°F80.8°F+0.6°VQW00011624
1981Jun81.8°F82.8°F-1.0°VQW00011624
1981Jul82.8°F83.3°F-0.4°VQW00011624
1981Aug82.8°F83.2°F-0.4°VQW00011624
1981Sep81.5°F82.5°F-1.0°VQW00011624
1981Oct80.3°F81.5°F-1.2°VQW00011624
1981Nov79.4°F80.2°F-0.9°VQW00011624
1981Dec77.9°F78.7°F-0.8°VQW00011624
1982Jan76.1°F77.5°F-1.4°VQW00011624
1982Feb76.5°F77.6°F-1.1°VQW00011624
1982Mar75.9°F77.9°F-1.9°VQW00011624
1982Apr75.7°F79.3°F-3.6°VQW00011624
1982May76.9°F80.8°F-3.8°VQW00011624
1982Jun79.4°F82.8°F-3.3°VQW00011624
1982Jul79.8°F83.3°F-3.5°VQW00011624
1982Aug81.3°F83.2°F-1.9°VQC00670240
1982Sep81.1°F82.5°F-1.4°VQW00011624
1982Oct80.8°F81.5°F-0.7°VQW00011624
1982Nov78.9°F80.2°F-1.3°VQW00011624
1982Dec77.1°F78.7°F-1.6°VQW00011624
1983Jan78.5°F77.5°F+1.0°VQW00011624
1983Feb78.4°F77.6°F+0.8°VQW00011624
1983Mar80.6°F77.9°F+2.7°VQW00011624
1983Apr79.7°F79.3°F+0.4°VQW00011624
1983May80.2°F80.8°F-0.6°VQW00011624
1983Jun82.9°F82.8°F+0.1°VQW00011624
1983Jul83.6°F83.3°F+0.3°VQW00011624
1983Aug83.7°F83.2°F+0.5°VQW00011624
1983Sep84.3°F82.5°F+1.8°VQW00011624
1983Oct81.0°F81.5°F-0.5°VQW00011624
1983Nov78.7°F80.2°F-1.5°VQC00670240
1983Dec78.3°F78.7°F-0.4°VQW00011624
1984Jan76.4°F77.5°F-1.1°VQC00670240
1984Feb77.6°F77.6°F+0.1°VQW00011624
1984Mar77.1°F77.9°F-0.8°VQC00670240
1984Apr78.7°F79.3°F-0.6°VQC00670240
1984May79.6°F80.8°F-1.2°VQC00671740
1984Jun81.0°F82.8°F-1.8°VQC00671740
1984Jul81.3°F83.3°F-1.9°VQC00671740
1984Aug80.3°F83.2°F-2.9°VQC00670240
1984Sep79.4°F82.5°F-3.1°VQC00670240
1984Oct78.9°F81.5°F-2.5°VQC00670240
1984Nov76.2°F80.2°F-4.1°VQC00670240
1984Dec74.2°F78.7°F-4.5°VQC00670240
1985Jan73.8°F77.5°F-3.7°VQC00670240
1985Feb74.9°F77.6°F-2.6°VQC00670240
1985Mar74.6°F77.9°F-3.3°VQC00670240
1985Apr75.7°F79.3°F-3.5°VQC00670240
1985May78.3°F80.8°F-2.5°VQC00670240
1985Jun84.1°F82.8°F+1.3°VQW00011624
1985Jul85.3°F83.3°F+2.0°VQW00011624
1985Aug81.2°F83.2°F-2.0°VQC00670240
1985Sep82.6°F82.5°F+0.1°VQW00011624
1985Oct77.7°F81.5°F-3.8°VQC00670240
1985Nov80.6°F80.2°F+0.3°VQW00011624
1985Dec79.7°F78.7°F+1.0°VQW00011624
1986Jan78.7°F77.5°F+1.2°VQW00011624
1986Feb77.8°F77.6°F+0.2°VQW00011624
1986Mar79.5°F77.9°F+1.6°VQW00011624
1986Apr80.2°F79.3°F+0.9°VQW00011624
1986May81.1°F80.8°F+0.3°VQW00011624
1986Jun83.8°F82.8°F+1.0°VQW00011624
1986Jul83.9°F83.3°F+0.6°VQW00011624
1986Aug84.1°F83.2°F+0.9°VQW00011624
1986Sep83.4°F82.5°F+0.9°VQW00011624
1986Oct82.6°F81.5°F+1.1°VQW00011624
1986Nov80.2°F80.2°F-0.1°VQW00011624
1986Dec79.3°F78.7°F+0.6°VQW00011624
1987Jan78.2°F77.5°F+0.8°VQW00011624
1987Feb77.7°F77.6°F+0.2°VQW00011624
1987Mar77.9°F77.9°F+0.0°VQW00011624
1987Apr81.3°F79.3°F+2.0°VQW00011624
1987May80.6°F80.8°F-0.2°VQW00011624
1987Jun82.5°F82.8°F-0.2°VQW00011624
1987Jul83.9°F83.3°F+0.6°VQW00011624
1987Aug84.7°F83.2°F+1.5°VQW00011624
1987Sep84.1°F82.5°F+1.7°VQW00011624
1987Oct83.4°F81.5°F+1.9°VQW00011624
1987Nov82.1°F80.2°F+1.9°VQW00011624
1987Dec81.0°F78.7°F+2.3°VQW00011624
1988Jan79.7°F77.5°F+2.2°VQW00011624
1988Feb79.5°F77.6°F+1.9°VQW00011624
1988Mar79.1°F77.9°F+1.3°VQW00011624
1988Apr80.8°F79.3°F+1.5°VQW00011624
1988May83.6°F80.8°F+2.8°VQW00011624
1988Jun84.3°F82.8°F+1.6°VQW00011624
1988Jul83.9°F83.3°F+0.7°VQW00011624
1988Aug83.9°F83.2°F+0.7°VQW00011624
1988Sep83.5°F82.5°F+1.0°VQW00011624
1988Oct80.0°F81.5°F-1.5°VQC00671740
1988Nov78.7°F80.2°F-1.6°VQC00671740
1988Dec79.3°F78.7°F+0.6°VQW00011624
1989Jan78.8°F77.5°F+1.3°VQW00011624
1989Feb78.1°F77.6°F+0.5°VQW00011624
1989Mar76.0°F77.9°F-1.9°VQC00670480
1989Apr77.0°F79.3°F-2.3°VQC00670480
1989May78.9°F80.8°F-1.9°VQC00670480
1989Jun84.2°F82.8°F+1.4°VQW00011624
1989Jul86.5°F83.3°F+3.2°VQW00011624
1989Aug86.5°F83.2°F+3.3°VQW00011624
1989Sep77.8°F82.5°F-4.7°VQC00671348
1989Oct79.3°F81.5°F-2.2°VQC00671348
1989Nov79.8°F80.2°F-0.4°VQC00670480
1989Dec78.4°F78.7°F-0.3°VQC00670480
1990Jan77.1°F77.5°F-0.4°VQC00671740
1990Feb76.1°F77.6°F-1.5°VQC00671740
1990Mar78.2°F77.9°F+0.3°VQC00679222
1990Apr78.1°F79.3°F-1.2°VQC00670480
1990May79.7°F80.8°F-1.1°VQC00670480
1990Jun83.2°F82.8°F+0.4°VQW00011624
1990Jul82.2°F83.3°F-1.0°VQC00679222
1990Aug81.6°F83.2°F-1.6°VQC00671740
1990Sep82.3°F82.5°F-0.2°VQC00671980
1990Oct80.6°F81.5°F-0.9°VQC00671740
1990Nov80.0°F80.2°F-0.3°VQC00671980
1990Dec77.0°F78.7°F-1.7°VQC00671980
1991Jan76.3°F77.5°F-1.2°VQC00671980
1991Feb76.2°F77.6°F-1.4°VQC00671980
1991Mar76.2°F77.9°F-1.6°VQC00671980
1991Apr78.8°F79.3°F-0.4°VQW00011640
1991May78.0°F80.8°F-2.8°VQC00671980
1991Jun81.3°F82.8°F-1.5°VQC00671740
1991Jul81.4°F83.3°F-1.9°VQC00671740
1991Aug82.6°F83.2°F-0.6°VQC00671980
1991Sep81.9°F82.5°F-0.5°VQC00671740
1991Oct80.9°F81.5°F-0.5°VQW00011640
1991Nov79.8°F80.2°F-0.4°VQW00011640
1991Dec78.2°F78.7°F-0.5°VQW00011640
1992Jan77.5°F77.5°F+0.0°VQW00011624
1992Feb78.4°F77.6°F+0.8°VQW00011624
1992Mar78.8°F77.9°F+0.9°VQW00011624
1992Apr80.4°F79.3°F+1.1°VQW00011624
1992May80.9°F80.8°F+0.2°VQW00011624
1992Jun83.1°F82.8°F+0.3°VQW00011624
1992Jul83.7°F83.3°F+0.4°VQW00011624
1992Aug83.4°F83.2°F+0.2°VQW00011624
1992Sep83.2°F82.5°F+0.7°VQW00011624
1992Oct82.1°F81.5°F+0.7°VQW00011624
1992Nov80.5°F80.2°F+0.3°VQW00011624
1992Dec79.1°F78.7°F+0.4°VQW00011624
1993Jan76.7°F77.5°F-0.8°VQC00671740
1993Feb76.9°F77.6°F-0.7°VQC00671740
1993Mar79.3°F77.9°F+1.4°VQW00011624
1993Apr80.0°F79.3°F+0.8°VQC00671740
1993May81.9°F80.8°F+1.1°VQW00011624
1993Jun82.1°F82.8°F-0.7°VQC00671740
1993Jul84.2°F83.3°F+0.9°VQW00011624
1993Aug84.7°F83.2°F+1.5°VQW00011624
1993Sep85.3°F82.5°F+2.8°VQW00011624
1993Oct84.3°F81.5°F+2.8°VQW00011624
1993Nov82.5°F80.2°F+2.3°VQW00011624
1993Dec80.8°F78.7°F+2.1°VQW00011624
1994Jan80.0°F77.5°F+2.5°VQW00011624
1994Feb80.2°F77.6°F+2.6°VQW00011624
1994Mar79.4°F77.9°F+1.5°VQW00011624
1994Apr80.8°F79.3°F+1.6°VQW00011624
1994May84.4°F80.8°F+3.6°VQW00011624
1994Jun84.3°F82.8°F+1.5°VQW00011624
1994Jul84.2°F83.3°F+0.9°VQW00011624
1994Aug83.0°F83.2°F-0.2°VQW00011624
1994Sep82.2°F82.5°F-0.3°VQW00011624
1994Oct82.7°F81.5°F+1.2°VQW00011624
1994Nov81.7°F80.2°F+1.4°VQW00011624
1994Dec80.3°F78.7°F+1.7°VQW00011624
1995Jan78.4°F77.5°F+0.9°VQW00011624
1995Feb79.4°F77.6°F+1.8°VQW00011624
1995Mar77.5°F77.9°F-0.4°VQW00011624
1995Apr80.4°F79.3°F+1.1°VQW00011624
1995May82.0°F80.8°F+1.2°VQW00011624
1995Jun83.2°F82.8°F+0.4°VQW00011624
1995Jul84.7°F83.3°F+1.4°VQW00011624
1995Aug84.7°F83.2°F+1.5°VQW00011624
1995Sep83.4°F82.5°F+1.0°VQW00011624
1995Oct82.4°F81.5°F+0.9°VQW00011624
1995Nov82.0°F80.2°F+1.8°VQW00011624
1995Dec80.1°F78.7°F+1.4°VQW00011624
1996Jan78.9°F77.5°F+1.4°VQW00011624
1996Feb78.5°F77.6°F+0.9°VQW00011624
1996Mar79.6°F77.9°F+1.7°VQW00011624
1996Apr79.9°F79.3°F+0.6°VQW00011624
1996May80.7°F80.8°F-0.1°VQW00011624
1996Jun82.3°F82.8°F-0.4°VQW00011624
1996Jul82.5°F83.3°F-0.8°VQW00011624
1996Aug83.9°F83.2°F+0.7°VQW00011624
1996Sep83.0°F82.5°F+0.5°VQW00011624
1996Oct82.7°F81.5°F+1.2°VQW00011624
1996Nov80.7°F80.2°F+0.5°VQW00011624
1996Dec77.7°F78.7°F-1.0°VQW00011624
1997Jan77.9°F77.5°F+0.4°VQW00011624
1997Feb78.1°F77.6°F+0.6°VQW00011624
1997Mar78.0°F77.9°F+0.1°VQW00011624
1997Apr79.4°F79.3°F+0.1°VQW00011624
1997Jun84.0°F82.8°F+1.3°VQW00011624
1997Jul84.5°F83.3°F+1.3°VQW00011624
1997Aug84.8°F83.2°F+1.6°VQW00011624
1997Sep84.8°F82.5°F+2.3°VQW00011624
1997Oct82.6°F81.5°F+1.1°VQW00011624
1997Nov83.2°F80.2°F+3.0°VQW00011624
1998Jan79.7°F77.5°F+2.2°VQW00011624
1998Feb79.9°F77.6°F+2.3°VQW00011624
1998Mar80.3°F77.9°F+2.4°VQW00011624
1998Apr80.6°F79.3°F+1.4°VQW00011624
1998May83.1°F80.8°F+2.3°VQW00011624
1998Jun84.5°F82.8°F+1.8°VQW00011624
1998Jul83.5°F83.3°F+0.2°VQW00011624
1998Aug84.8°F83.2°F+1.6°VQW00011624
1998Sep84.1°F82.5°F+1.6°VQW00011640
1998Oct83.2°F81.5°F+1.7°VQW00011640
1998Nov83.2°F80.2°F+3.0°VQW00011624
1998Dec81.3°F78.7°F+2.6°VQW00011624
1999Jan79.8°F77.5°F+2.3°VQW00011624
1999Feb76.4°F77.6°F-1.2°VQW00011624
1999Mar78.9°F77.9°F+1.0°VQW00011624
1999Apr79.5°F79.3°F+0.3°VQW00011640
1999May82.5°F80.8°F+1.7°VQW00011624
1999Jun82.4°F82.8°F-0.3°VQW00011624
1999Jul81.9°F83.3°F-1.4°VQW00011624
1999Aug83.3°F83.2°F+0.1°VQW00011624
1999Sep84.0°F82.5°F+1.6°VQW00011624
1999Oct83.4°F81.5°F+1.9°VQW00011624
1999Nov81.8°F80.2°F+1.5°VQW00011624
1999Dec78.9°F78.7°F+0.2°VQW00011624
2000Jan77.2°F77.5°F-0.3°VQW00011624
2000Feb76.9°F77.6°F-0.7°VQW00011640
2000Mar76.5°F77.9°F-1.4°VQW00011640
2000Apr81.3°F79.3°F+2.0°VQW00011624
2000May80.6°F80.8°F-0.2°VQW00011624
2000Jun81.8°F82.8°F-0.9°VQW00011624
2000Jul83.1°F83.3°F-0.1°VQW00011624
2000Aug83.0°F83.2°F-0.2°VQW00011624
2000Sep82.4°F82.5°F-0.1°VQW00011624
2000Oct81.3°F81.5°F-0.2°VQW00011624
2000Nov80.0°F80.2°F-0.3°VQW00011624
2000Dec79.2°F78.7°F+0.5°VQW00011624
2001Jan77.3°F77.5°F-0.2°VQW00011624
2001Feb77.6°F77.6°F+0.1°VQW00011624
2001Mar78.5°F77.9°F+0.6°VQW00011624
2001Apr79.2°F79.3°F-0.1°VQW00011624
2001May80.6°F80.8°F-0.2°VQW00011624
2001Jun82.7°F82.8°F-0.1°VQW00011624
2001Jul83.5°F83.3°F+0.2°VQW00011624
2001Aug83.6°F83.2°F+0.4°VQW00011624
2001Sep83.2°F82.5°F+0.8°VQW00011624
2001Oct82.8°F81.5°F+1.3°VQW00011624
2001Nov79.1°F80.2°F-1.2°VQW00011624
2001Dec79.6°F78.7°F+0.9°VQW00011624
2002Jan78.8°F77.5°F+1.3°VQW00011624
2002Feb77.4°F77.6°F-0.2°VQW00011624
2002Mar78.7°F77.9°F+0.9°VQW00011624
2002Apr78.8°F79.3°F-0.4°VQW00011624
2002May81.8°F80.8°F+1.1°VQW00011624
2002Jun83.3°F82.8°F+0.5°VQW00011624
2002Jul83.2°F83.3°F-0.1°VQW00011624
2002Aug83.5°F83.2°F+0.3°VQW00011624
2002Sep83.4°F82.5°F+0.9°VQW00011624
2002Oct82.7°F81.5°F+1.2°VQW00011624
2002Nov81.4°F80.2°F+1.2°VQW00011624
2002Dec80.0°F78.7°F+1.3°VQW00011624
2003Jan78.5°F77.5°F+1.0°VQW00011624
2003Feb78.9°F77.6°F+1.4°VQW00011624
2003Mar79.8°F77.9°F+1.9°VQW00011624
2003Apr80.0°F79.3°F+0.7°VQW00011624
2003May81.2°F80.8°F+0.4°VQW00011624
2003Jun82.5°F82.8°F-0.3°VQW00011624
2003Jul83.2°F83.3°F-0.1°VQW00011624
2003Aug83.1°F83.2°F-0.1°VQW00011624
2003Sep83.2°F82.5°F+0.8°VQW00011624
2003Oct81.7°F81.5°F+0.2°VQW00011624
2003Nov80.0°F80.2°F-0.2°VQW00011624
2003Dec78.6°F78.7°F-0.1°VQW00011624
2004Jan76.4°F77.5°F-1.1°VQW00011624
2004Feb77.9°F77.6°F+0.3°VQW00011624
2004Mar78.2°F77.9°F+0.4°VQW00011624
2004Apr79.5°F79.3°F+0.2°VQW00011624
2004May80.5°F80.8°F-0.3°VQW00011624
2004Jun82.7°F82.8°F+0.0°VQW00011624
2004Jul82.9°F83.3°F-0.4°VQW00011624
2004Aug84.0°F83.2°F+0.8°VQW00011624
2004Sep82.3°F82.5°F-0.2°VQW00011624
2004Oct81.7°F81.5°F+0.2°VQW00011624
2004Nov80.0°F80.2°F-0.3°VQW00011624
2004Dec79.0°F78.7°F+0.3°VQW00011624
2005Jan77.0°F77.5°F-0.5°VQW00011624
2005Feb77.6°F77.6°F+0.0°VQW00011624
2005Mar78.3°F77.9°F+0.4°VQW00011624
2005Apr81.2°F79.3°F+1.9°VQW00011624
2005May80.6°F80.8°F-0.2°VQW00011624
2005Jun82.7°F82.8°F+0.0°VQW00011624
2005Jul82.6°F83.3°F-0.6°VQW00011624
2005Aug83.2°F83.2°F+0.0°VQW00011624
2005Sep83.3°F82.5°F+0.8°VQW00011624
2005Oct82.0°F81.5°F+0.5°VQW00011640
2005Nov80.3°F80.2°F+0.1°VQW00011624
2005Dec77.2°F78.7°F-1.5°VQW00011624
2006Jan76.9°F77.5°F-0.6°VQW00011624
2006Feb77.4°F77.6°F-0.2°VQW00011624
2006Mar77.7°F77.9°F-0.1°VQW00011624
2006Apr80.0°F79.3°F+0.7°VQW00011624
2006May81.8°F80.8°F+1.0°VQW00011624
2006Jun83.8°F82.8°F+1.0°VQW00011624
2006Jul83.1°F83.3°F-0.2°VQW00011624
2006Aug81.9°F83.2°F-1.3°VQW00011624
2006Sep86.0°F82.5°F+3.6°VQC00671740
2006Oct82.5°F81.5°F+1.0°VQW00011624
2006Nov80.3°F80.2°F+0.1°VQW00011624
2006Dec80.1°F78.7°F+1.4°VQW00011624
2007Jan77.8°F77.5°F+0.4°VQW00011624
2007Feb78.5°F77.6°F+0.9°VQW00011624
2007Mar79.3°F77.9°F+1.4°VQW00011624
2007Apr79.5°F79.3°F+0.2°VQW00011624
2007May84.3°F80.8°F+3.5°VQC00671740
2007Jun81.4°F82.8°F-1.4°VQW00011624
2007Jul83.7°F83.3°F+0.5°VQW00011624
2007Aug83.8°F83.2°F+0.6°VQW00011624
2007Sep83.2°F82.5°F+0.7°VQW00011624
2007Oct81.3°F81.5°F-0.2°VQW00011624
2007Nov79.7°F80.2°F-0.6°VQW00011624
2007Dec78.9°F78.7°F+0.2°VQW00011624
2008Jan77.2°F77.5°F-0.3°VQW00011624
2008Feb78.0°F77.6°F+0.4°VQW00011624
2008Mar77.0°F77.9°F-0.9°VQW00011624
2008Apr78.5°F79.3°F-0.7°VQW00011624
2008May80.9°F80.8°F+0.1°VQW00011624
2008Jun83.1°F82.8°F+0.3°VQW00011624
2008Jul82.5°F83.3°F-0.8°VQW00011624
2008Aug83.2°F83.2°F+0.0°VQW00011624
2008Sep81.1°F82.5°F-1.4°VQW00011624
2008Oct80.6°F81.5°F-0.9°VQW00011624
2008Nov79.6°F80.2°F-0.6°VQW00011624
2008Dec77.3°F78.7°F-1.4°VQW00011624
2009Jan78.3°F77.5°F+0.8°VQW00011624
2009Feb77.6°F77.6°F+0.0°VQW00011624
2009Mar76.8°F77.9°F-1.1°VQW00011624
2009Apr79.2°F79.3°F-0.1°VQW00011624
2009May80.6°F80.8°F-0.2°VQW00011624
2009Jun82.6°F82.8°F-0.2°VQW00011624
2009Jul84.8°F83.3°F+1.5°VQW00011624
2009Aug84.4°F83.2°F+1.2°VQW00011624
2009Sep83.0°F82.5°F+0.5°VQW00011624
2009Oct82.9°F81.5°F+1.4°VQW00011624
2009Nov81.2°F80.2°F+1.0°VQW00011624
2009Dec79.9°F78.7°F+1.2°VQW00011624
2010Jan78.1°F77.5°F+0.6°VQW00011624
2010Feb78.5°F77.6°F+0.9°VQW00011624
2010Mar80.6°F77.9°F+2.7°VQW00011624
2010Apr80.9°F79.3°F+1.7°VQW00011624
2010May82.2°F80.8°F+1.4°VQW00011624
2010Jun83.7°F82.8°F+0.9°VQC00677600
2010Jul83.9°F83.3°F+0.7°VQW00011624
2010Aug83.5°F83.2°F+0.3°VQW00011624
2010Sep81.9°F82.5°F-0.6°VQW00011624
2010Oct80.0°F81.5°F-1.5°VQW00011624
2010Nov78.3°F80.2°F-1.9°VQW00011624
2010Dec75.9°F78.7°F-2.8°VQW00011624
2011Jan77.4°F77.5°F-0.1°VQW00011624
2011Feb78.6°F77.6°F+1.0°VQW00011624
2011Mar76.8°F77.9°F-1.1°VQW00011624
2011Apr78.7°F79.3°F-0.6°VQW00011624
2011May79.7°F80.8°F-1.1°VQW00011624
2011Jun82.1°F82.8°F-0.7°VQW00011624
2011Jul81.6°F83.3°F-1.7°VQW00011624
2011Aug82.2°F83.2°F-1.0°VQW00011624
2011Sep82.4°F82.5°F-0.1°VQW00011624
2011Oct82.0°F81.5°F+0.5°VQW00011624
2011Nov78.9°F80.2°F-1.4°VQW00011624
2011Dec77.0°F78.7°F-1.7°VQW00011624
2012Jan73.4°F77.5°F-4.1°VQW00011624
2012Feb74.8°F77.6°F-2.8°VQW00011624
2012Mar77.5°F77.9°F-0.3°VQW00011624
2012Apr79.2°F79.3°F+0.0°VQW00011624
2012May80.1°F80.8°F-0.7°VQW00011624
2012Jun82.5°F82.8°F-0.2°VQW00011624
2012Jul83.0°F83.3°F-0.3°VQW00011624
2012Aug83.4°F83.2°F+0.2°VQW00011624
2012Sep82.0°F82.5°F-0.4°VQW00011624
2012Oct82.7°F81.5°F+1.2°VQW00011624
2012Nov81.2°F80.2°F+1.0°VQW00011624
2012Dec78.8°F78.7°F+0.1°VQW00011624
2013Jan77.5°F77.5°F+0.1°VQW00011624
2013Feb77.3°F77.6°F-0.2°VQW00011624
2013Mar77.1°F77.9°F-0.7°VQW00011624
2013Apr79.3°F79.3°F+0.0°VQW00011624
2013May80.3°F80.8°F-0.5°VQW00011624
2013Jun82.6°F82.8°F-0.1°VQW00011640
2013Jul83.3°F83.3°F+0.1°VQW00011624
2013Aug84.1°F83.2°F+0.9°VQW00011624
2013Sep83.1°F82.5°F+0.7°VQW00011624
2013Oct83.5°F81.5°F+2.0°VQW00011624
2013Nov80.9°F80.2°F+0.7°VQW00011624
2013Dec79.9°F78.7°F+1.2°VQW00011624
2014Jan79.0°F77.5°F+1.5°VQW00011624
2014Feb79.4°F77.6°F+1.8°VQW00011624
2014Mar78.7°F77.9°F+0.8°VQW00011624
2014Apr80.3°F79.3°F+1.1°VQW00011624
2014May81.0°F80.8°F+0.2°VQW00011624
2014Jun83.9°F82.8°F+1.1°VQW00011624
2014Jul85.0°F83.3°F+1.7°VQW00011624
2014Aug83.5°F83.2°F+0.3°VQW00011624
2014Sep82.9°F82.5°F+0.4°VQW00011624
2014Oct82.6°F81.5°F+1.1°VQW00011624
2014Nov81.2°F80.2°F+0.9°VQW00011624
2014Dec78.4°F78.7°F-0.3°VQW00011624
2015Jan78.2°F77.5°F+0.8°VQW00011624
2015Feb79.0°F77.6°F+1.4°VQW00011624
2015Mar78.4°F77.9°F+0.5°VQW00011624
2015Apr80.8°F79.3°F+1.5°VQW00011624
2015May82.2°F80.8°F+1.4°VQW00011624
2015Jun84.0°F82.8°F+1.2°VQW00011624
2015Jul84.2°F83.3°F+0.9°VQW00011624
2015Aug84.3°F83.2°F+1.1°VQW00011624
2015Sep83.2°F82.5°F+0.7°VQW00011624
2015Oct83.7°F81.5°F+2.2°VQW00011624
2015Nov81.3°F80.2°F+1.1°VQW00011624
2015Dec80.3°F78.7°F+1.6°VQW00011624
2016Jan78.8°F77.5°F+1.3°VQW00011624
2016Feb79.2°F77.6°F+1.6°VQW00011624
2016Mar79.9°F77.9°F+2.1°VQW00011624
2016Apr80.6°F79.3°F+1.4°VQW00011624
2016May82.1°F80.8°F+1.3°VQW00011624
2016Jun84.0°F82.8°F+1.2°VQW00011624
2016Jul84.3°F83.3°F+1.0°VQW00011624
2016Aug84.6°F83.2°F+1.4°VQW00011624
2016Sep82.5°F82.5°F+0.1°VQW00011624
2016Oct81.0°F81.5°F-0.5°VQW00011624
2016Nov81.0°F80.2°F+0.8°VQW00011624
2016Dec79.8°F78.7°F+1.1°VQW00011624
2017Jan77.7°F77.5°F+0.2°VQW00011624
2017Feb77.8°F77.6°F+0.2°VQW00011624
2017Mar78.8°F77.9°F+0.9°VQW00011624
2017Apr79.2°F79.3°F+0.0°VQW00011624
2017May81.6°F80.8°F+0.8°VQW00011624
2017Jun82.5°F82.8°F-0.3°VQW00011624
2017Jul84.6°F83.3°F+1.3°VQW00011624
2017Aug84.4°F83.2°F+1.2°VQW00011624
2017Dec79.8°F78.7°F+1.1°VQW00011624
2018Jan77.1°F77.5°F-0.4°VQW00011624
2018Feb77.3°F77.6°F-0.3°VQW00011624
2018Mar78.0°F77.9°F+0.1°VQW00011624
2018Apr80.5°F79.3°F+1.2°VQW00011624
2018May81.8°F80.8°F+1.0°VQW00011624
2018Jun83.5°F82.8°F+0.7°VQW00011624
2018Jul83.9°F83.3°F+0.6°VQW00011624
2018Aug84.3°F83.2°F+1.1°VQW00011624
2018Sep83.5°F82.5°F+1.0°VQW00011624
2018Oct83.1°F81.5°F+1.6°VQW00011624
2018Nov81.4°F80.2°F+1.2°VQW00011624
2018Dec80.2°F78.7°F+1.5°VQW00011624
2019Jan78.5°F77.5°F+1.0°VQW00011624
2019Feb80.0°F77.6°F+2.5°VQW00011624
2019Mar79.2°F77.9°F+1.3°VQW00011624
2019Apr80.5°F79.3°F+1.2°VQW00011624
2019May80.7°F80.8°F-0.1°VQW00011624
2019Jun82.8°F82.8°F+0.0°VQW00011624
2019Jul83.4°F83.3°F+0.1°VQW00011624
2019Aug83.1°F83.2°F-0.1°VQW00011624
2019Sep83.1°F82.5°F+0.6°VQW00011624
2019Oct83.1°F81.5°F+1.6°VQW00011624
2019Nov81.6°F80.2°F+1.3°VQW00011624
2019Dec81.2°F78.7°F+2.5°VQW00011624
2020Jan78.8°F77.5°F+1.3°VQW00011624
2020Feb79.2°F77.6°F+1.6°VQW00011624
2020Mar78.4°F77.9°F+0.6°VQW00011624
2020Apr80.7°F79.3°F+1.5°VQW00011624
2020May83.6°F80.8°F+2.8°VQC00671740
2020Jun85.6°F82.8°F+2.9°VQW00011624
2020Jul85.2°F83.3°F+1.9°VQW00011624
2020Aug85.9°F83.2°F+2.7°VQW00011624
2020Sep84.2°F82.5°F+1.7°VQW00011624
2020Oct83.7°F81.5°F+2.2°VQW00011624
2020Nov81.6°F80.2°F+1.4°VQW00011624
2020Dec78.2°F78.7°F-0.5°VQW00011624
2021Jan78.4°F77.5°F+0.9°VQW00011624
2021Feb79.8°F77.6°F+2.2°VQW00011624
2021Mar79.0°F77.9°F+1.2°VQW00011624
2021Apr80.1°F79.3°F+0.8°VQW00011624
2021May82.0°F80.8°F+1.2°VQW00011624
2021Jun83.1°F82.8°F+0.4°VQW00011624
2021Jul84.0°F83.3°F+0.7°VQW00011624
2021Aug83.2°F83.2°F+0.0°VQW00011624
2021Sep83.9°F82.5°F+1.4°VQW00011624
2021Oct82.6°F81.5°F+1.1°VQW00011624
2021Nov81.6°F80.2°F+1.3°VQW00011624
2021Dec81.1°F78.7°F+2.4°VQW00011624
2022Jan78.6°F77.5°F+1.1°VQW00011624
2022Feb78.1°F77.6°F+0.6°VQW00011624
2022Mar78.9°F77.9°F+1.0°VQW00011624
2022Apr80.2°F79.3°F+0.9°VQW00011624
2022May82.5°F80.8°F+1.7°VQW00011624
2022Jun83.9°F82.8°F+1.1°VQW00011624
2022Jul83.8°F83.3°F+0.6°VQW00011624
2022Aug85.2°F83.2°F+2.0°VQW00011624
2022Sep84.3°F82.5°F+1.8°VQW00011624
2022Oct83.4°F81.5°F+1.9°VQW00011624
2022Nov81.7°F80.2°F+1.4°VQW00011624
2022Dec78.9°F78.7°F+0.2°VQW00011624
2023Jan78.6°F77.5°F+1.1°VQW00011624
2023Feb78.0°F77.6°F+0.4°VQW00011624
2023Mar78.1°F77.9°F+0.2°VQW00011624
2023Apr79.1°F79.3°F-0.2°VQW00011624
2023May82.6°F80.8°F+1.8°VQW00011624
2023Jun85.0°F82.8°F+2.2°VQW00011624
2023Jul84.5°F83.3°F+1.2°VQW00011624
2023Aug86.7°F83.2°F+3.5°VQW00011624
2023Sep87.7°F82.5°F+5.2°VQW00011624
2023Oct85.6°F81.5°F+4.1°VQW00011624
2023Nov83.9°F80.2°F+3.7°VQW00011624
2023Dec81.0°F78.7°F+2.3°VQW00011624
2024Jan81.6°F77.5°F+4.1°VQW00011624
2024Feb79.9°F77.6°F+2.4°VQW00011624
2024Mar81.5°F77.9°F+3.6°VQW00011624
2024Apr79.1°F79.3°F-0.2°VQC00670819
2024May81.2°F80.8°F+0.4°VQC00670819
2024Jun85.1°F82.8°F+2.3°VQW00011624
2024Jul85.6°F83.3°F+2.3°VQW00011624
2024Aug85.2°F83.2°F+2.0°VQW00011624
2024Sep84.8°F82.5°F+2.4°VQW00011624
2024Oct84.5°F81.5°F+3.1°VQW00011624
2024Nov82.1°F80.2°F+1.9°VQW00011624
2024Dec81.0°F78.7°F+2.3°VQW00011624
2025Jan80.0°F77.5°F+2.5°VQW00011624
2025Feb80.1°F77.6°F+2.5°VQW00011624
2025Mar80.3°F77.9°F+2.4°VQW00011624
2025Apr80.8°F79.3°F+1.5°VQW00011624
2025May81.8°F80.8°F+1.0°VQW00011624
2025Jun82.4°F82.8°F-0.4°VQW00011624
2025Jul82.8°F83.3°F-0.5°VQW00011624
2025Aug84.0°F83.2°F+0.8°VQW00011624
2025Sep82.9°F82.5°F+0.5°VQW00011624
2025Oct82.7°F81.5°F+1.3°VQW00011624
2025Nov80.9°F80.2°F+0.6°VQW00011624
2025Dec78.8°F78.7°F+0.1°VQW00011624
2026Jan78.8°F77.5°F+1.3°VQW00011624

Showing 883 of 883 records. = gap-filled data

This table shows raw (unsmoothed) monthly anomalies. The spiral applies a 12-month moving average to highlight long-term trends.

Methodology

Methodology How we calculate anomalies

1. Data Acquisition

We query NOAA's Global Summary of the Month (GSOM) database for the closest weather station with good historical coverage, starting from 1930.

Temperature metric: Monthly average temperature (TAVG). When TAVG is unavailable, we use (TMAX + TMIN) / 2 as a proxy.

2. Gap Filling

Some months may have missing data. We fill gaps using data from nearby weather stations (within ~200km).

209

Initial gaps

180

Filled

29

Unfillable

Fill stations: VIEQUES ISLAND, PR US, CRUZ BAY, VI US, BETH UPPER NEW WORKS, VI US, CYRIL E. KING AIRPORT, VI US, WATER ISLE, VI US, BORDEAUX, VI US, CHRISTIANSTED FORT, VI US, REDHOOK BAY ST THOMAS, VI US, ANNALY, VI US, CATHERINEBURG, VI US

3. Baseline Calculation

The baseline is a 25-year window dynamically centered on the data's midpoint, requiring at least 90% coverage. If coverage is insufficient, the window shifts forward in 5-year increments until the threshold is met.

Period: 1976 – 2001 (96.2% coverage)

MonthBaselineYears
January77.5°F26/26
February77.6°F26/26
March77.9°F26/26
April79.3°F26/26
May80.8°F25/26
June82.8°F26/26
July83.3°F26/26
August83.2°F26/26
September82.5°F26/26
October81.5°F26/26
November80.2°F26/26
December78.7°F25/26

4. Anomaly Calculation

For each month, we calculate how far it deviates from the baseline. These are raw monthly anomalies.

Anomaly = Actual Temperature − Baseline[month]

5. Smoothing

The spiral visualization applies a 12-month centered moving average to reduce month-to-month noise and highlight multi-year warming trends. The spiral shows smoothed values, not raw anomalies.

6. Reading the Visualizations

Spiral: A 3D helix where each loop represents one year. The radius indicates the smoothed temperature anomaly, and colors range from blue (cold) to red (warm). The top view shows the annual cycle, while the side view shows time progression.

Stripes: Each stripe represents one year's average anomaly (the mean of all monthly anomalies for that year). No additional smoothing is applied; yearly aggregation naturally reduces noise.

Color scale: Color bounds are set to the 5th and 95th percentile of anomalies to avoid outlier washout, with a neutral zone of approximately ±0.1°C.

7. Data Quality Notes

Time of Observation Bias (TOBS)

Early cooperative weather stations typically read their min/max thermometers in the afternoon. This meant a single hot afternoon's peak temperature could be counted in two consecutive daily readings, inflating monthly maximums.

Between the 1950s and 1980s, most stations switched to morning or midnight observation times. This eliminated the warm bias but introduced a slight cool bias during the transition.

As a result, early decades in our data may read slightly warmer than they actually were, and the transition period may show an artificial cooling dip. Neither reflects actual temperature change. We use raw GSOM data without TOBS adjustments (NOAA's adjusted products like nClimDiv correct for this, but our station-level data does not).

Frequently Asked Questions

Is Frederiksted, Unknown getting warmer?

Based on 74+ years of NOAA temperature records, Frederiksted has warmed at a rate of approximately 0.34°F per decade. This trend is calculated from monthly temperature anomalies relative to the location's historical baseline period.

What was the warmest year on record in Frederiksted?

The warmest year on record in Frederiksted was 2024, based on average annual temperature anomaly from NOAA station data.

Where does the temperature data for Frederiksted come from?

Data comes from the HENRY E. ROHLSEN AIRPORT, VI US weather station, part of NOAA's Global Historical Climatology Network. This station has recorded 74+ years of temperature observations used to build Frederiksted's climate profile.

How are the climate visualizations for Frederiksted created?

Three visualizations are generated from Frederiksted's NOAA data: a climate spiral showing monthly temperature anomalies as concentric rings (inspired by NASA), warming stripes where each vertical stripe represents one year's temperature anomaly, and a linear trend chart showing the long-term trajectory.

Can I download Frederiksted's temperature data?

Yes. The interactive data table on this page shows every monthly temperature reading in Frederiksted's record. You can filter by decade and download the complete dataset as a CSV file for your own analysis.

Wear Frederiksted's Climate Story

These visualizations are printed on demand using Frederiksted's actual NOAA data. Every purchase plants a tree.

Shop Frederiksted Climate Apparel →

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