Viewing Station: RI-NW-28 : Portsmouth 3.7 NNE
Mar 11, 2020 - May 30, 20262,215 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 1.89"
May 1-30, 2026(29 of 30 days covered by obs)
PRISM Normal
3.30"
Departure from Normal
-1.41" : 57% of Normal
Year-To-Date: 14.34"
Jan 1 to May 30, 2026(148 of 150 days covered by obs)
PRISM Normal
21.03"
Departure from Normal
-6.69" : 68% of Normal
Water Year-To-Date: 24.14"
Oct 1, 2025 to May 30, 2026(239 of 242 days covered by obs)
PRISM Normal
34.94"
Departure from Normal
-10.80" : 69% 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