Viewing Station: RI-WS-45 : Charlestown 4.7 NNE
Mar 7, 2018 - Sep 16, 20252,296 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.23"
September 1-18, 2025(16 of 18 days covered by obs)
NOAA Normal
2.34"
Departure from Normal
-1.11" : 53% of Normal
Year-To-Date: 31.46"
Jan 1 to Sep 18, 2025(254 of 261 days covered by obs)
NOAA Normal
32.41"
Departure from Normal
-0.95" : 97% of Normal
Water Year-To-Date: 45.00"
Oct 1, 2024 to Sep 18, 2025(344 of 353 days covered by obs)
NOAA Normal
45.60"
Departure from Normal
-0.60" : 99% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.73
4.13
-0.40
Feb
3.30
3.65
-0.35
Mar
4.80
5.37
-0.57
Apr
4.29
4.73
-0.44
May
3.50
3.62
-0.12
Jun
3.67
3.95
-0.28
Jul
3.10
3.22
-0.12
Aug
3.68
4.01
-0.33
Sep
3.90
4.03
-0.13
Oct
4.61
4.84
-0.23
Nov
3.93
4.29
-0.36
Dec
4.65
5.16
-0.51
47.16
51.00
-3.84