Viewing Station: MA-MD-62 : Chelmsford 1.2 E
Jun 21, 2016 - Aug 30, 20253,079 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.17"
August 1-31, 2025(30 of 31 days covered by obs)
NOAA Normal
3.63"
Departure from Normal
-0.46" : 87% of Normal
Year-To-Date: 27.33"
Jan 1 to Aug 31, 2025(241 of 243 days covered by obs)
NOAA Normal
29.87"
Departure from Normal
-2.54" : 91% of Normal
Water Year-To-Date: 36.49"
Oct 1, 2024 to Aug 31, 2025(333 of 335 days covered by obs)
NOAA Normal
42.58"
Departure from Normal
-6.09" : 86% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.36
3.58
-0.22
Feb
3.20
3.28
-0.08
Mar
4.13
4.29
-0.16
Apr
3.97
3.94
0.03
May
3.72
3.69
0.03
Jun
4.17
4.13
0.04
Jul
3.69
3.73
-0.04
Aug
3.63
3.75
-0.12
Sep
3.76
3.78
-0.02
Oct
4.70
4.79
-0.09
Nov
3.75
3.80
-0.05
Dec
4.26
4.45
-0.19
46.34
47.21
-0.87