Viewing Station: NH-HL-25 : Amherst 3.7 NNE
Aug 30, 2009 - Sep 18, 20254,392 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.00"
September 1-18, 2025(18 of 18 days covered by obs)
NOAA Normal
2.41"
Departure from Normal
-1.41" : 41% of Normal
Year-To-Date: 33.91"
Jan 1 to Sep 18, 2025(247 of 261 days covered by obs)
NOAA Normal
31.91"
Departure from Normal
2.00" : 106% of Normal
Water Year-To-Date: 43.48"
Oct 1, 2024 to Sep 18, 2025(336 of 353 days covered by obs)
NOAA Normal
44.62"
Departure from Normal
-1.14" : 97% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.23
3.22
0.01
Feb
3.12
3.13
-0.01
Mar
3.95
3.80
0.15
Apr
3.98
3.94
0.04
May
3.55
3.63
-0.08
Jun
4.20
4.21
-0.01
Jul
3.77
3.69
0.08
Aug
3.70
3.81
-0.11
Sep
4.02
3.87
0.15
Oct
4.71
4.82
-0.11
Nov
3.75
3.73
0.02
Dec
4.25
4.33
-0.08
46.23
46.18
0.05