Viewing Station: VA-PRC-2 : Portsmouth 4.1 SSE
Jul 1, 2007 - Sep 17, 20256,645 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.75"
September 1-18, 2025(17 of 18 days covered by obs)
NOAA Normal
3.07"
Departure from Normal
1.68" : 155% of Normal
Year-To-Date: 36.57"
Jan 1 to Sep 18, 2025(260 of 261 days covered by obs)
NOAA Normal
35.64"
Departure from Normal
0.93" : 103% of Normal
Water Year-To-Date: 42.83"
Oct 1, 2024 to Sep 18, 2025(352 of 353 days covered by obs)
NOAA Normal
46.07"
Departure from Normal
-3.24" : 93% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.47
3.67
-0.20
Feb
2.87
2.88
-0.01
Mar
3.87
3.85
0.02
Apr
3.40
3.66
-0.26
May
3.81
4.07
-0.26
Jun
4.44
4.62
-0.18
Jul
5.50
5.32
0.18
Aug
5.21
5.54
-0.33
Sep
5.11
5.27
-0.16
Oct
3.95
4.19
-0.24
Nov
3.20
3.40
-0.20
Dec
3.28
3.54
-0.26
48.11
50.01
-1.90