Viewing Station: IA-HR-20 : Portsmouth 4.8 W
Mar 8, 2024 - Apr 11, 2026106 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.13"
April 1-11, 2026(5 of 11 days covered by obs)
NOAA Normal
1.25"
Departure from Normal
1.88" : 250% of Normal
Year-To-Date: 5.56"
Jan 1 to Apr 11, 2026(11 of 101 days covered by obs)
NOAA Normal
4.90"
Departure from Normal
0.66" : 113% of Normal
Water Year-To-Date: 8.70"
Oct 1, 2025 to Apr 11, 2026(20 of 193 days covered by obs)
NOAA Normal
9.90"
Departure from Normal
-1.20" : 88% 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