Viewing Station: MA-BE-37 : Williamstown 1.8 WNW
May 8, 2023 - Sep 29, 20261,094 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.74"
September 1-29, 2026(28 of 29 days covered by obs)
NOAA Normal
4.19"
Departure from Normal
-0.45" : 89% of Normal
Year-To-Date: 34.43"
Jan 1 to Sep 29, 2026(265 of 272 days covered by obs)
NOAA Normal
32.07"
Departure from Normal
2.36" : 107% of Normal
Water Year-To-Date: 47.05"
Oct 1, 2025 to Sep 29, 2026(356 of 364 days covered by obs)
NOAA Normal
42.78"
Departure from Normal
4.27" : 110% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.81
3.10
-0.29
Feb
2.31
2.64
-0.33
Mar
2.96
3.29
-0.33
Apr
3.24
3.50
-0.26
May
3.67
3.85
-0.18
Jun
4.44
4.58
-0.14
Jul
4.30
4.45
-0.15
Aug
4.15
4.42
-0.27
Sep
4.33
4.31
0.02
Oct
4.08
4.56
-0.48
Nov
3.23
3.56
-0.33
Dec
3.40
3.77
-0.37
42.92
46.03
-3.11