Viewing Station: MO-SS-47 : O'Fallon 2.1 SSE
Mar 13, 2021 - Feb 18, 20261,805 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.53"
February 1-18, 2026(18 of 18 days covered by obs)
NOAA Normal
1.43"
Departure from Normal
0.10" : 107% of Normal
Year-To-Date: 2.55"
Jan 1 to Feb 18, 2026(49 of 49 days covered by obs)
NOAA Normal
3.91"
Departure from Normal
-1.36" : 65% of Normal
Water Year-To-Date: 8.46"
Oct 1, 2025 to Feb 18, 2026(141 of 141 days covered by obs)
NOAA Normal
13.05"
Departure from Normal
-4.59" : 65% 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