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Niño 3.4
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NAO
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AO
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PNA
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PDO
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MJO Amplitude
Contrast Clip
1–99%
Last 10y
Full Range
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Historical Weather — Fairfax Station
Historical observations and climatology
WeatherLink station history with daily summaries and anomalies.
Start Date
End Date
Quick Select
7 Days
30 Days
90 Days
YTD
Load Data
Temperature vs. Historical (Dulles IAD 1990-2021)
Temperature Anomalies (Departure from Normal)
Wavelet
Daily Rainfall
Cumulative
Daily AQI
Soil Temperature
Soil Moisture
Solar Radiation
Wind Speed