Viewing Station: RI-NW-32 : Portsmouth 5.2 SSE
Mar 13, 2021 - Sep 13, 20262,012 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.98"
September 1-13, 2026(13 of 13 days covered by obs)
PRISM Normal
1.55"
Departure from Normal
-0.57" : 63% of Normal
Year-To-Date: 27.62"
Jan 1 to Sep 13, 2026(256 of 256 days covered by obs)
PRISM Normal
32.30"
Departure from Normal
-4.68" : 86% of Normal
Water Year-To-Date: 37.96"
Oct 1, 2025 to Sep 13, 2026(347 of 348 days covered by obs)
PRISM Normal
45.42"
Departure from Normal
-7.46" : 84% of Normal
MonthPRISM Normals
Jan
4.03
Feb
3.59
Mar
5.21
Apr
4.54
May
3.25
Jun
3.59
Jul
3.05
Aug
3.49
Sep
3.58
Oct
4.31
Nov
3.89
Dec
4.92
47.45