Viewing Station: IA-PK-93 : Johnston 2.6 W
May 10, 2018 - May 25, 2026865 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.44"
May 1-25, 2026(20 of 25 days covered by obs)
NOAA Normal
4.08"
Departure from Normal
-1.64" : 60% of Normal
Year-To-Date: 11.72"
Jan 1 to May 25, 2026(46 of 145 days covered by obs)
NOAA Normal
11.96"
Departure from Normal
-0.24" : 98% of Normal
Water Year-To-Date: 14.66"
Oct 1, 2025 to May 25, 2026(76 of 237 days covered by obs)
NOAA Normal
17.62"
Departure from Normal
-2.96" : 83% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.89
0.95
-0.06
Feb
1.10
1.22
-0.12
Mar
2.13
2.03
0.10
Apr
3.76
3.64
0.12
May
5.06
5.01
0.05
Jun
5.06
5.27
-0.21
Jul
4.07
4.06
0.01
Aug
4.07
3.98
0.09
Sep
3.39
3.38
0.01
Oct
2.55
2.63
-0.08
Nov
1.81
1.80
0.01
Dec
1.30
1.41
-0.11
35.19
35.38
-0.19