Viewing Station: NH-RC-72 : Derry 5.7 N
Oct 9, 2017 - Sep 8, 20251,027 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.60"
September 1-18, 2025(3 of 18 days covered by obs)
NOAA Normal
2.41"
Departure from Normal
-0.81" : 66% of Normal
Year-To-Date: 29.89"
Jan 1 to Sep 18, 2025(104 of 261 days covered by obs)
NOAA Normal
31.96"
Departure from Normal
-2.07" : 94% of Normal
Water Year-To-Date: 39.10"
Oct 1, 2024 to Sep 18, 2025(139 of 353 days covered by obs)
NOAA Normal
44.56"
Departure from Normal
-5.46" : 88% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.15
3.09
0.06
Feb
3.07
3.10
-0.03
Mar
4.07
3.85
0.22
Apr
3.97
3.90
0.07
May
3.68
3.60
0.08
Jun
4.22
4.16
0.06
Jul
3.77
3.58
0.19
Aug
3.62
3.63
-0.01
Sep
4.02
3.76
0.26
Oct
4.65
4.64
0.01
Nov
3.83
3.66
0.17
Dec
4.12
4.18
-0.06
46.17
45.15
1.02