Viewing Station: MA-SF-31 : Boston 6.5 SW
Sep 30, 2021 - Aug 1, 20251,360 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.44"
August 1-1, 2025(1 of 1 days covered by obs)
NOAA Normal
0.12"
Departure from Normal
1.32" : 1247% of Normal
Year-To-Date: 27.58"
Jan 1 to Aug 1, 2025(213 of 213 days covered by obs)
NOAA Normal
27.45"
Departure from Normal
0.13" : 100% of Normal
Water Year-To-Date: 38.43"
Oct 1, 2024 to Aug 1, 2025(305 of 305 days covered by obs)
NOAA Normal
40.86"
Departure from Normal
-2.43" : 94% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.76
3.82
-0.06
Feb
3.44
3.43
0.01
Mar
4.59
4.66
-0.07
Apr
4.17
4.30
-0.13
May
3.65
3.61
0.04
Jun
4.17
4.06
0.11
Jul
3.55
3.54
0.01
Aug
3.58
3.65
-0.07
Sep
3.88
3.80
0.08
Oct
4.76
4.79
-0.03
Nov
3.94
3.96
-0.02
Dec
4.71
4.84
-0.13
48.20
48.46
-0.26