Viewing Station: MO-SS-55 : Lake St Louis 1.7 WSW
Apr 16, 2023 - Sep 15, 20261,228 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.38"
September 1-15, 2026(15 of 15 days covered by obs)
NOAA Normal
1.69"
Departure from Normal
-1.31" : 23% of Normal
Year-To-Date: 28.19"
Jan 1 to Sep 15, 2026(258 of 258 days covered by obs)
NOAA Normal
31.41"
Departure from Normal
-3.22" : 90% of Normal
Water Year-To-Date: 33.10"
Oct 1, 2025 to Sep 15, 2026(350 of 350 days covered by obs)
NOAA Normal
40.59"
Departure from Normal
-7.49" : 82% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.49
2.51
-0.02
Feb
2.22
2.29
-0.07
Mar
3.48
3.36
0.12
Apr
4.67
4.57
0.10
May
4.94
5.04
-0.10
Jun
4.44
4.47
-0.03
Jul
3.81
3.90
-0.09
Aug
3.68
3.50
0.18
Sep
3.37
3.33
0.04
Oct
3.19
3.25
-0.06
Nov
3.43
3.42
0.01
Dec
2.56
2.60
-0.04
42.28
42.24
0.04