Viewing Station: MO-SS-47 : O'Fallon 2.1 SSE
Mar 13, 2021 - Mar 11, 20261,826 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.76"
March 1-11, 2026(11 of 11 days covered by obs)
NOAA Normal
1.25"
Departure from Normal
2.51" : 301% of Normal
Year-To-Date: 6.43"
Jan 1 to Mar 11, 2026(70 of 70 days covered by obs)
NOAA Normal
5.95"
Departure from Normal
0.48" : 108% of Normal
Water Year-To-Date: 12.34"
Oct 1, 2025 to Mar 11, 2026(162 of 162 days covered by obs)
NOAA Normal
15.09"
Departure from Normal
-2.75" : 82% 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