Viewing Station: MA-MD-202 : Billerica 1.9 SE
Jan 4, 2022 - Aug 9, 20261,004 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.10"
August 1-9, 2026(9 of 9 days covered by obs)
NOAA Normal
1.04"
Departure from Normal
0.06" : 106% of Normal
Year-To-Date: 10.70"
Jan 1 to Aug 9, 2026(134 of 221 days covered by obs)
NOAA Normal
27.50"
Departure from Normal
-16.80" : 39% of Normal
Water Year-To-Date: 17.97"
Oct 1, 2025 to Aug 9, 2026(213 of 313 days covered by obs)
NOAA Normal
40.35"
Departure from Normal
-22.38" : 45% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.43
3.62
-0.19
Feb
3.32
3.42
-0.10
Mar
4.25
4.51
-0.26
Apr
4.09
4.14
-0.05
May
3.66
3.60
0.06
Jun
4.10
4.12
-0.02
Jul
3.61
3.68
-0.07
Aug
3.59
3.67
-0.08
Sep
3.85
3.71
0.14
Oct
4.62
4.73
-0.11
Nov
3.81
3.85
-0.04
Dec
4.42
4.70
-0.28
46.75
47.75
-1.00