Viewing Station: MA-MD-62 : Chelmsford 1.2 E
Jun 21, 2016 - Jul 25, 20253,058 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.80"
July 1-26, 2025(24 of 26 days covered by obs)
NOAA Normal
3.09"
Departure from Normal
-1.29" : 58% of Normal
Year-To-Date: 24.16"
Jan 1 to Jul 26, 2025(205 of 207 days covered by obs)
NOAA Normal
25.64"
Departure from Normal
-1.48" : 94% of Normal
Water Year-To-Date: 33.32"
Oct 1, 2024 to Jul 26, 2025(297 of 299 days covered by obs)
NOAA Normal
38.35"
Departure from Normal
-5.03" : 87% 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