Viewing Station: MO-SS-47 : O'Fallon 2.1 SSE
Mar 13, 2021 - Aug 24, 20261,992 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.48"
August 1-24, 2026(24 of 24 days covered by obs)
NOAA Normal
2.81"
Departure from Normal
1.67" : 159% of Normal
Year-To-Date: 31.31"
Jan 1 to Aug 24, 2026(236 of 236 days covered by obs)
NOAA Normal
28.82"
Departure from Normal
2.49" : 109% of Normal
Water Year-To-Date: 37.22"
Oct 1, 2025 to Aug 24, 2026(328 of 328 days covered by obs)
NOAA Normal
37.96"
Departure from Normal
-0.74" : 98% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.48
2.56
-0.08
Feb
2.22
2.37
-0.15
Mar
3.52
3.51
0.01
Apr
4.70
4.73
-0.03
May
4.96
5.05
-0.09
Jun
4.43
4.48
-0.05
Jul
3.70
3.88
-0.18
Aug
3.63
3.54
0.09
Sep
3.31
3.25
0.06
Oct
3.16
3.25
-0.09
Nov
3.41
3.47
-0.06
Dec
2.57
2.72
-0.15
42.09
42.81
-0.72