Viewing Station: IA-WY-3 : Seymour 1.7 W
Jan 20, 2012 - Sep 18, 20262,278 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.10"
September 1-18, 2026(12 of 18 days covered by obs)
NOAA Normal
2.31"
Departure from Normal
-0.21" : 91% of Normal
Year-To-Date: 26.84"
Jan 1 to Sep 18, 2026(174 of 261 days covered by obs)
NOAA Normal
29.97"
Departure from Normal
-3.13" : 90% of Normal
Water Year-To-Date: 28.78"
Oct 1, 2025 to Sep 18, 2026(222 of 353 days covered by obs)
NOAA Normal
36.57"
Departure from Normal
-7.79" : 79% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.06
1.10
-0.04
Feb
1.48
1.51
-0.03
Mar
2.17
2.27
-0.10
Apr
3.84
3.90
-0.06
May
5.37
5.43
-0.06
Jun
5.18
5.25
-0.07
Jul
4.34
4.55
-0.21
Aug
4.22
4.27
-0.05
Sep
3.85
3.86
-0.01
Oct
2.93
2.92
0.01
Nov
2.13
2.08
0.05
Dec
1.54
1.55
-0.01
38.11
38.69
-0.58