Viewing Station: VA-PRC-13 : Portsmouth 1.4 S
Apr 19, 2026 - Sep 21, 2026138 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.00"
September 1-22, 2026(21 of 22 days covered by obs)
NOAA Normal
3.75"
Departure from Normal
-2.75" : 27% of Normal
Year-To-Date: 28.71"
Jan 1 to Sep 22, 2026(138 of 265 days covered by obs)
NOAA Normal
36.12"
Departure from Normal
-7.41" : 79% of Normal
Water Year-To-Date: 28.71"
Oct 1, 2025 to Sep 22, 2026(138 of 357 days covered by obs)
NOAA Normal
46.57"
Departure from Normal
-17.86" : 62% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.44
3.66
-0.22
Feb
2.85
2.87
-0.02
Mar
3.90
3.85
0.05
Apr
3.39
3.65
-0.26
May
3.78
4.05
-0.27
Jun
4.40
4.61
-0.21
Jul
5.46
5.28
0.18
Aug
5.15
5.55
-0.40
Sep
5.12
5.30
-0.18
Oct
3.95
4.20
-0.25
Nov
3.22
3.40
-0.18
Dec
3.28
3.55
-0.27
47.94
49.97
-2.03