Viewing Station: MA-MD-12 : Acton 1.3 SW
Aug 23, 2010 - Sep 8, 20265,911 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.05"
September 1-8, 2026(8 of 8 days covered by obs)
NOAA Normal
1.02"
Departure from Normal
0.03" : 103% of Normal
Year-To-Date: 24.18"
Jan 1 to Sep 8, 2026(251 of 251 days covered by obs)
NOAA Normal
30.64"
Departure from Normal
-6.46" : 79% of Normal
Water Year-To-Date: 33.82"
Oct 1, 2025 to Sep 8, 2026(343 of 343 days covered by obs)
NOAA Normal
43.43"
Departure from Normal
-9.61" : 78% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.36
3.59
-0.23
Feb
3.16
3.33
-0.17
Mar
4.09
4.36
-0.27
Apr
4.06
4.20
-0.14
May
3.57
3.56
0.01
Jun
4.12
4.16
-0.04
Jul
3.54
3.77
-0.23
Aug
3.72
3.92
-0.20
Sep
3.83
3.84
-0.01
Oct
4.65
4.82
-0.17
Nov
3.79
3.74
0.05
Dec
4.35
4.64
-0.29
46.24
47.93
-1.69