Viewing Station: RI-NW-28 : Portsmouth 3.7 NNE
Mar 11, 2020 - Jul 21, 20262,267 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.37"
July 1-21, 2026(21 of 21 days covered by obs)
PRISM Normal
2.14"
Departure from Normal
2.23" : 204% of Normal
Year-To-Date: 22.62"
Jan 1 to Jul 21, 2026(200 of 202 days covered by obs)
PRISM Normal
27.10"
Departure from Normal
-4.48" : 83% of Normal
Water Year-To-Date: 32.42"
Oct 1, 2025 to Jul 21, 2026(291 of 294 days covered by obs)
PRISM Normal
41.01"
Departure from Normal
-8.59" : 79% of Normal
MonthPRISM Normals
Jan
4.14
Feb
3.67
Mar
5.34
Apr
4.58
May
3.41
Jun
3.82
Jul
3.16
Aug
3.70
Sep
3.82
Oct
4.68
Nov
4.16
Dec
5.07
49.55