Viewing Station: MO-SL-27 : Ballwin 0.5 NNW
Oct 23, 2010 - Dec 14, 20255,281 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.19"
December 1-14, 2025(14 of 14 days covered by obs)
NOAA Normal
1.18"
Departure from Normal
-0.99" : 16% of Normal
Year-To-Date: 41.61"
Jan 1 to Dec 14, 2025(348 of 348 days covered by obs)
NOAA Normal
40.69"
Departure from Normal
0.92" : 102% of Normal
Water Year-To-Date: 6.16"
Oct 1, 2025 to Dec 14, 2025(75 of 75 days covered by obs)
NOAA Normal
7.71"
Departure from Normal
-1.55" : 80% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.53
2.68
-0.15
Feb
2.19
2.33
-0.14
Mar
3.48
3.54
-0.06
Apr
4.66
4.69
-0.03
May
4.93
5.03
-0.10
Jun
4.47
4.48
-0.01
Jul
3.76
3.95
-0.19
Aug
3.61
3.43
0.18
Sep
3.35
3.32
0.03
Oct
3.13
3.27
-0.14
Nov
3.40
3.52
-0.12
Dec
2.62
2.71
-0.09
42.13
42.95
-0.82