Viewing Station: MO-SS-43 : O'Fallon 3.9 NNW
Mar 18, 2020 - Apr 29, 20262,172 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 6.77"
April 1-29, 2026(27 of 29 days covered by obs)
NOAA Normal
4.49"
Departure from Normal
2.28" : 151% of Normal
Year-To-Date: 14.27"
Jan 1 to Apr 29, 2026(117 of 119 days covered by obs)
NOAA Normal
12.50"
Departure from Normal
1.77" : 114% of Normal
Water Year-To-Date: 20.07"
Oct 1, 2025 to Apr 29, 2026(209 of 211 days covered by obs)
NOAA Normal
21.47"
Departure from Normal
-1.40" : 93% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.42
2.46
-0.04
Feb
2.17
2.24
-0.07
Mar
3.42
3.31
0.11
Apr
4.64
4.54
0.10
May
4.88
5.01
-0.13
Jun
4.46
4.44
0.02
Jul
3.76
3.88
-0.12
Aug
3.66
3.49
0.17
Sep
3.33
3.26
0.07
Oct
3.11
3.22
-0.11
Nov
3.34
3.39
-0.05
Dec
2.52
2.60
-0.08
41.71
41.84
-0.13