Viewing Station: NH-HL-19 : Brookline 2.3 SW
Aug 24, 2009 - Sep 20, 20263,675 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.54"
September 1-20, 2026(19 of 20 days covered by obs)
NOAA Normal
2.70"
Departure from Normal
0.84" : 131% of Normal
Year-To-Date: 29.27"
Jan 1 to Sep 20, 2026(209 of 263 days covered by obs)
NOAA Normal
32.98"
Departure from Normal
-3.71" : 89% of Normal
Water Year-To-Date: 38.37"
Oct 1, 2025 to Sep 20, 2026(283 of 355 days covered by obs)
NOAA Normal
46.23"
Departure from Normal
-7.86" : 83% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.37
3.36
0.01
Feb
3.25
3.20
0.05
Mar
4.02
4.05
-0.03
Apr
4.13
4.01
0.12
May
3.72
3.57
0.15
Jun
4.12
4.18
-0.06
Jul
3.78
3.67
0.11
Aug
3.89
3.75
0.14
Sep
4.05
3.88
0.17
Oct
4.94
4.81
0.13
Nov
3.85
3.72
0.13
Dec
4.46
4.43
0.03
47.58
46.63
0.95