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Viewing Station:
RI-NW-28 : Portsmouth 3.7 NNE
Mar 11, 2020 - Sep 6, 2026
2,314 Total Observations
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Station Overview
Climatology
Precip Summary
Year-Over-Year
Precip Calendar
Precip Distribution
Obs Calendar
Obs Tables
Station Overview
Climatology
Precip Summary
Year-Over-Year
Precip Calendar
Precip Distribution
Obs Calendar
Obs Tables
Climatology
Informational
Educational
Precipitation Normals Comparison
PRISM
Month-To-Date: 1.27"
September 2026
September 1-6, 2026
(
6
of
6
days covered by obs)
PRISM Normal
0.76"
Departure from Normal
0.51" : 166% of Normal
Year-To-Date: 28.81"
2026
Jan 1 to Sep 6, 2026
(
247
of
249
days covered by obs)
PRISM Normal
32.58"
Departure from Normal
-3.77" : 88% of Normal
Water Year-To-Date: 38.61"
Oct 2025 - Sept 2026
Oct 1, 2025 to Sep 6, 2026
(
338
of
341
days covered by obs)
PRISM Normal
46.49"
Departure from Normal
-7.88" : 83% of Normal
Month
PRISM 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