Viewing Station: IA-PK-93 : Johnston 2.6 W
May 10, 2018 - Oct 20, 2025801 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.18"
October 1-20, 2025(12 of 20 days covered by obs)
NOAA Normal
1.65"
Departure from Normal
-0.47" : 72% of Normal
Year-To-Date: 28.00"
Jan 1 to Oct 20, 2025(126 of 293 days covered by obs)
NOAA Normal
31.18"
Departure from Normal
-3.18" : 90% of Normal
Water Year-To-Date: 1.18"
Oct 1, 2025 to Oct 20, 2025(12 of 20 days covered by obs)
NOAA Normal
1.65"
Departure from Normal
-0.47" : 72% 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