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Report for 2023
Annual Climatological Summary for 2023
Name: Riverweather.com City: St. Charles State: MO
Elevation: 458 ft Lat: N 38° 55' 52" Lon: W 090° 28' 29"
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 80.0 32.0 32.0 0.0
------------------------------------------------------------------------------------
23 1 45.7 31.7 38.4 0.0 815 0 69.8 3 11.3 31 0 3 16 0
23 2 51.9 32.8 42.1 0.0 640 1 70.3 22 12.2 3 0 1 11 0
23 3 54.2 36.7 44.8 0.0 631 6 78.0 31 21.3 19 0 0 7 0
23 4 69.7 47.3 57.1 0.0 295 60 87.7 4 35.9 24 6 0 0 0
23 5 79.1 58.8 68.3 0.0 68 171 92.1 7 44.7 4 17 0 0 0
23 6 85.9 65.9 75.7 0.0 7 325 97.2 24 57.5 12 25 0 0 0
23 7 88.9 70.1 78.8 0.0 0 427 100.5 28 63.1 10 30 0 0 0
23 8 84.9 68.5 75.9 0.0 8 345 100.7 25 56.7 31 22 0 0 0
23 9 81.8 61.8 70.6 0.0 25 159 92.6 4 54.1 16 13 0 0 0
23 10
23 11
23 12
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71.2 52.6 61.2 0.0 2489 1494 100.7 Aug 11.3 Jan 113 4 34 0
Precipitation (in)
Dep. Max Days of Rain
From Obs. >=
YR MO Total Norm Day Date 0.01 0.10 1.00
---------------------------------------------
23 1 1.77 0.0 0.74 3 7 4 0
23 2 1.95 0.0 0.53 8 10 5 0
23 3 4.71 0.0 1.70 23 18 10 1
23 4 1.83 0.0 1.35 15 5 3 1
23 5 1.51 0.0 0.57 13 6 3 0
23 6 1.39 0.0 0.52 11 5 4 0
23 7 3.02 0.0 0.96 29 9 5 0
23 8 4.61 0.0 1.31 26 15 8 1
23 9 0.98 0.0 0.63 6 4 2 0
---------------------------------------------
21.77 0.0 1.70 Mar 79 44 3
Wind Speed (mph)
Dom
YR MO Avg. Hi Date Dir
------------------------------
23 1 2.8 35.0 19 WNW
23 2 3.1 36.0 27 WNW
23 3 4.0 42.0 3 WNW
23 4 2.8 46.0 1 W
23 5 1.4 38.0 2 NW
23 6 1.3 37.0 29 NW
23 7 1.1 35.0 1 WNW
23 8 1.0 45.0 12 WNW
23 9 1.0 28.0 4 NW
23 10
23 11
23 12
------------------------------
2.1 46.0 Apr WNW