Viewing Station: IA-ID-4 : Arthur 3.7 SSW
Dec 18, 2016 - Dec 16, 20253,115 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.31"
December 1-17, 2025(15 of 17 days covered by obs)
NOAA Normal
0.59"
Departure from Normal
-0.28" : 52% of Normal
Year-To-Date: 34.43"
Jan 1 to Dec 17, 2025(339 of 351 days covered by obs)
NOAA Normal
32.07"
Departure from Normal
2.36" : 107% of Normal
Water Year-To-Date: 3.26"
Oct 1, 2025 to Dec 17, 2025(70 of 78 days covered by obs)
NOAA Normal
4.48"
Departure from Normal
-1.22" : 73% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.76
0.74
0.02
Feb
0.93
0.89
0.04
Mar
1.78
1.78
0.00
Apr
3.44
3.33
0.11
May
4.48
4.48
0.00
Jun
4.91
4.93
-0.02
Jul
3.85
3.74
0.11
Aug
4.23
4.25
-0.02
Sep
3.21
3.03
0.18
Oct
2.41
2.29
0.12
Nov
1.48
1.39
0.09
Dec
1.08
1.09
-0.01
32.56
31.94
0.62