Viewing Station: MA-MD-134 : Somerville 0.5 SSE
Oct 1, 2018 - Aug 9, 20262,352 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.76"
August 1-9, 2026(9 of 9 days covered by obs)
NOAA Normal
1.03"
Departure from Normal
-0.27" : 74% of Normal
Year-To-Date: 21.07"
Jan 1 to Aug 9, 2026(221 of 221 days covered by obs)
NOAA Normal
27.73"
Departure from Normal
-6.66" : 76% of Normal
Water Year-To-Date: 31.40"
Oct 1, 2025 to Aug 9, 2026(313 of 313 days covered by obs)
NOAA Normal
40.75"
Departure from Normal
-9.35" : 77% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.60
3.80
-0.20
Feb
3.41
3.47
-0.06
Mar
4.42
4.67
-0.25
Apr
4.07
4.29
-0.22
May
3.59
3.55
0.04
Jun
4.10
4.00
0.10
Jul
3.51
3.62
-0.11
Aug
3.56
3.59
-0.03
Sep
3.77
3.71
0.06
Oct
4.54
4.78
-0.24
Nov
3.86
3.93
-0.07
Dec
4.62
4.85
-0.23
47.05
48.26
-1.21