Viewing Station: IA-CG-13 : Mason City 4.2 N
Apr 17, 2023 - May 20, 2025491 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.25"
May 1-29, 2025(2 of 29 days covered by obs)
NOAA Normal
4.71"
Departure from Normal
-3.46" : 27% of Normal
Year-To-Date: 3.89"
Jan 1 to May 29, 2025(11 of 149 days covered by obs)
NOAA Normal
12.49"
Departure from Normal
-8.60" : 31% of Normal
Water Year-To-Date: 8.47"
Oct 1, 2024 to May 29, 2025(29 of 241 days covered by obs)
NOAA Normal
17.92"
Departure from Normal
-9.45" : 47% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.88
0.93
-0.05
Feb
1.05
1.09
-0.04
Mar
1.95
1.99
-0.04
Apr
3.90
3.88
0.02
May
5.03
5.33
-0.30
Jun
5.39
5.47
-0.08
Jul
4.57
4.58
-0.01
Aug
3.83
3.82
0.01
Sep
3.35
3.34
0.01
Oct
2.50
2.58
-0.08
Nov
1.66
1.74
-0.08
Dec
1.27
1.28
-0.01
35.38
36.03
-0.65