Viewing Station: MA-SF-41 : Boston 2.6 WSW
Nov 5, 2025 - May 16, 2026144 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.60"
May 1-16, 2026(16 of 16 days covered by obs)
NOAA Normal
1.86"
Departure from Normal
-0.26" : 86% of Normal
Year-To-Date: 12.87"
Jan 1 to May 16, 2026(138 of 136 days covered by obs)
NOAA Normal
17.84"
Departure from Normal
-4.97" : 72% of Normal
Water Year-To-Date: 17.03"
Oct 1, 2025 to May 16, 2026(195 of 228 days covered by obs)
NOAA Normal
31.13"
Departure from Normal
-14.10" : 55% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.77
3.83
-0.06
Feb
3.47
3.46
0.01
Mar
4.61
4.68
-0.07
Apr
4.13
4.30
-0.17
May
3.60
3.60
0.00
Jun
4.13
4.04
0.09
Jul
3.52
3.54
-0.02
Aug
3.54
3.62
-0.08
Sep
3.85
3.79
0.06
Oct
4.67
4.79
-0.12
Nov
3.92
3.97
-0.05
Dec
4.70
4.86
-0.16
47.91
48.48
-0.57