Viewing Station: VA-PRC-2 : Portsmouth 4.1 SSE
Jul 1, 2007 - May 31, 20266,901 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.28"
May 1-31, 2026(31 of 31 days covered by obs)
NOAA Normal
3.81"
Departure from Normal
0.47" : 112% of Normal
Year-To-Date: 13.10"
Jan 1 to May 31, 2026(151 of 151 days covered by obs)
NOAA Normal
17.42"
Departure from Normal
-4.32" : 75% of Normal
Water Year-To-Date: 21.82"
Oct 1, 2025 to May 31, 2026(243 of 243 days covered by obs)
NOAA Normal
27.85"
Departure from Normal
-6.03" : 78% 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