Viewing Station: MO-SS-42 : O'Fallon 2.6 NNE
Mar 14, 2020 - Jun 28, 20251,351 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.08"
June 1-29, 2025(13 of 29 days covered by obs)
NOAA Normal
4.30"
Departure from Normal
-0.22" : 95% of Normal
Year-To-Date: 17.35"
Jan 1 to Jun 29, 2025(104 of 180 days covered by obs)
NOAA Normal
22.02"
Departure from Normal
-4.67" : 79% of Normal
Water Year-To-Date: 27.56"
Oct 1, 2024 to Jun 29, 2025(180 of 272 days covered by obs)
NOAA Normal
31.07"
Departure from Normal
-3.51" : 89% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.45
2.48
-0.03
Feb
2.19
2.27
-0.08
Mar
3.47
3.37
0.10
Apr
4.66
4.60
0.06
May
4.95
5.03
-0.08
Jun
4.45
4.44
0.01
Jul
3.73
3.90
-0.17
Aug
3.63
3.52
0.11
Sep
3.31
3.24
0.07
Oct
3.13
3.22
-0.09
Nov
3.37
3.41
-0.04
Dec
2.55
2.63
-0.08
41.89
42.11
-0.22