Viewing Station: IA-ID-4 : Arthur 3.7 SSW
Dec 18, 2016 - Sep 13, 20253,027 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 0.31"
September 1-13, 2025(12 of 13 days covered by obs)
NOAA Normal
1.39"
Departure from Normal
-1.08" : 22% of Normal
Year-To-Date: 30.46"
Jan 1 to Sep 13, 2025(251 of 256 days covered by obs)
NOAA Normal
25.77"
Departure from Normal
4.69" : 118% of Normal
Water Year-To-Date: 36.75"
Oct 1, 2024 to Sep 13, 2025(342 of 348 days covered by obs)
NOAA Normal
30.74"
Departure from Normal
6.01" : 120% 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