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Annual Climatological Summary for 2023
Name: OFallon Weather City: OFallon State: MO
Elevation: 532 ft Lat: N 38° 50' 20" Lon: W 090° 43' 42"
Temperature (°F), Heat Base: 65.0 Cool Base: 65.0
Dep. Heat Cool Max Max Min Min
Mean Mean From Deg Deg >= <= <= <=
YR MO Max Min Mean Norm Days Days Hi Date Low Date 90.0 32.0 32.0 0.0
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23 1 47.7 30.6 39.4 0.0 718 1 69.4 3 14.6 14 0 1 18 0
23 2
23 3
23 4
23 5
23 6
23 7
23 8
23 9
23 10
23 11
23 12
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47.7 30.6 39.4 0.0 718 0 69.4 Jan 14.6 Jan 0 1 18 0
Precipitation (in)
Dep. Max Days of Rain
From Obs. >=
YR MO Total Norm Day Date 0.01 0.10 1.00
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23 1 2.40 0.0 0.78 18 8 5 0
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2.40 0.0 0.78 Jan 8 5 0
Wind Speed (mph)
Dom
YR MO Avg. Hi Date Dir
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23 1 4.3 29.0 15 WSW
23 2
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23 5
23 6
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23 9
23 10
23 11
23 12
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4.3 29.0 Jan WSW