Viewing Station: IA-IA-13 : Parnell 0.1 SSW
Apr 7, 2015 - Sep 17, 20263,456 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 5.20"
September 1-17, 2026(17 of 17 days covered by obs)
NOAA Normal
1.95"
Departure from Normal
3.25" : 267% of Normal
Year-To-Date: 35.94"
Jan 1 to Sep 17, 2026(238 of 260 days covered by obs)
NOAA Normal
28.25"
Departure from Normal
7.69" : 127% of Normal
Water Year-To-Date: 39.33"
Oct 1, 2025 to Sep 17, 2026(320 of 352 days covered by obs)
NOAA Normal
34.79"
Departure from Normal
4.54" : 113% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.11
1.14
-0.03
Feb
1.43
1.40
0.03
Mar
2.14
2.16
-0.02
Apr
3.69
3.61
0.08
May
4.73
4.83
-0.10
Jun
5.08
4.94
0.14
Jul
4.06
4.15
-0.09
Aug
4.06
4.23
-0.17
Sep
3.44
3.44
0.00
Oct
2.91
2.79
0.12
Nov
2.10
2.07
0.03
Dec
1.53
1.62
-0.09
36.28
36.38
-0.10