Viewing Station: IA-MD-6 : St Charles 1.1 NW
May 25, 2022 - May 20, 20261,359 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.38"
May 1-20, 2026(20 of 20 days covered by obs)
NOAA Normal
3.34"
Departure from Normal
-0.96" : 71% of Normal
Year-To-Date: 12.30"
Jan 1 to May 20, 2026(140 of 140 days covered by obs)
NOAA Normal
11.24"
Departure from Normal
1.06" : 109% of Normal
Water Year-To-Date: 17.01"
Oct 1, 2025 to May 20, 2026(226 of 232 days covered by obs)
NOAA Normal
17.04"
Departure from Normal
-0.03" : 100% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.88
0.92
-0.04
Feb
1.22
1.27
-0.05
Mar
2.01
2.04
-0.03
Apr
3.79
3.67
0.12
May
5.17
5.07
0.10
Jun
4.99
4.91
0.08
Jul
4.08
4.17
-0.09
Aug
4.02
3.94
0.08
Sep
3.63
3.56
0.07
Oct
2.64
2.64
0.00
Nov
1.80
1.88
-0.08
Dec
1.36
1.35
0.01
35.59
35.42
0.17