Viewing Station: IA-HR-20 : Portsmouth 4.8 W
Mar 8, 2024 - May 2, 202565 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.51"
May 1-11, 2025(1 of 11 days covered by obs)
NOAA Normal
1.74"
Departure from Normal
-1.23" : 29% of Normal
Year-To-Date: 7.23"
Jan 1 to May 11, 2025(17 of 131 days covered by obs)
NOAA Normal
8.81"
Departure from Normal
-1.58" : 82% of Normal
Water Year-To-Date: 11.12"
Oct 1, 2024 to May 11, 2025(29 of 223 days covered by obs)
NOAA Normal
13.81"
Departure from Normal
-2.69" : 81% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.76
0.76
0.00
Feb
0.97
0.98
-0.01
Mar
1.92
1.84
0.08
Apr
3.42
3.38
0.04
May
4.90
4.84
0.06
Jun
5.02
4.93
0.09
Jul
3.81
3.79
0.02
Aug
4.43
4.14
0.29
Sep
3.34
3.26
0.08
Oct
2.44
2.54
-0.10
Nov
1.37
1.42
-0.05
Dec
1.19
1.26
-0.07
33.57
33.14
0.43