Viewing Station: MA-SF-31 : Boston 6.5 SW
Sep 30, 2021 - Apr 3, 20261,600 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.35"
April 1-3, 2026(3 of 3 days covered by obs)
NOAA Normal
0.42"
Departure from Normal
-0.07" : 84% of Normal
Year-To-Date: 8.29"
Jan 1 to Apr 3, 2026(93 of 93 days covered by obs)
NOAA Normal
12.21"
Departure from Normal
-3.92" : 68% of Normal
Water Year-To-Date: 17.95"
Oct 1, 2025 to Apr 3, 2026(185 of 185 days covered by obs)
NOAA Normal
25.62"
Departure from Normal
-7.67" : 70% 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