Viewing Station: MA-MD-62 : Chelmsford 1.2 E
Jun 21, 2016 - Jul 10, 20263,375 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.23"
July 1-10, 2026(8 of 10 days covered by obs)
NOAA Normal
1.19"
Departure from Normal
1.04" : 187% of Normal
Year-To-Date: 17.34"
Jan 1 to Jul 10, 2026(189 of 191 days covered by obs)
NOAA Normal
23.74"
Departure from Normal
-6.40" : 73% of Normal
Water Year-To-Date: 26.67"
Oct 1, 2025 to Jul 10, 2026(281 of 283 days covered by obs)
NOAA Normal
36.45"
Departure from Normal
-9.78" : 73% 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