Viewing Station: RI-NW-16 : Portsmouth 1.3 S
Mar 11, 2017 - Jul 17, 20253,011 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
September 1-15, 2025(0 of 15 days covered by obs)
PRISM Normal
1.83"
Departure from Normal
-1.83" : 0% of Normal
Year-To-Date: 25.38"
Jan 1 to Sep 15, 2025(198 of 258 days covered by obs)
PRISM Normal
33.10"
Departure from Normal
-7.72" : 77% of Normal
Water Year-To-Date: 35.72"
Oct 1, 2024 to Sep 15, 2025(290 of 350 days covered by obs)
PRISM Normal
46.63"
Departure from Normal
-10.91" : 77% of Normal
MonthPRISM Normals
Jan
4.10
Feb
3.66
Mar
5.33
Apr
4.58
May
3.31
Jun
3.69
Jul
3.08
Aug
3.52
Sep
3.66
Oct
4.47
Nov
4.00
Dec
5.06
48.46