Viewing Station: IA-SR-29 : Ames 2.5 W
Sep 27, 2013 - Dec 19, 20254,123 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.74"
December 1-22, 2025(19 of 22 days covered by obs)
NOAA Normal
0.93"
Departure from Normal
-0.19" : 80% of Normal
Year-To-Date: 38.01"
Jan 1 to Dec 22, 2025(353 of 356 days covered by obs)
NOAA Normal
35.58"
Departure from Normal
2.43" : 107% of Normal
Water Year-To-Date: 5.75"
Oct 1, 2025 to Dec 22, 2025(80 of 83 days covered by obs)
NOAA Normal
5.29"
Departure from Normal
0.46" : 109% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.88
0.90
-0.02
Feb
1.05
1.13
-0.08
Mar
2.01
2.02
-0.01
Apr
3.86
3.69
0.17
May
5.02
5.07
-0.05
Jun
5.27
5.09
0.18
Jul
4.31
4.32
-0.01
Aug
4.37
4.50
-0.13
Sep
3.52
3.49
0.03
Oct
2.60
2.61
-0.01
Nov
1.76
1.82
-0.06
Dec
1.31
1.38
-0.07
35.96
36.02
-0.06