Viewing Station: VA-PRC-2 : Portsmouth 4.1 SSE
Jul 1, 2007 - Sep 10, 20256,638 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.35"
September 1-10, 2025(10 of 10 days covered by obs)
NOAA Normal
1.70"
Departure from Normal
-1.35" : 21% of Normal
Year-To-Date: 32.17"
Jan 1 to Sep 10, 2025(253 of 253 days covered by obs)
NOAA Normal
34.27"
Departure from Normal
-2.10" : 94% of Normal
Water Year-To-Date: 38.43"
Oct 1, 2024 to Sep 10, 2025(345 of 345 days covered by obs)
NOAA Normal
44.70"
Departure from Normal
-6.27" : 86% 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