Viewing Station: RI-NW-32 : Portsmouth 5.2 SSE
Mar 13, 2021 - May 30, 20261,906 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.76"
May 1-30, 2026(30 of 30 days covered by obs)
PRISM Normal
3.15"
Departure from Normal
-0.39" : 88% of Normal
Year-To-Date: 14.50"
Jan 1 to May 30, 2026(150 of 150 days covered by obs)
PRISM Normal
20.52"
Departure from Normal
-6.02" : 71% of Normal
Water Year-To-Date: 24.84"
Oct 1, 2025 to May 30, 2026(241 of 242 days covered by obs)
PRISM Normal
33.64"
Departure from Normal
-8.80" : 74% 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