Viewing Station: NH-RC-72 : Derry 5.7 N
Oct 9, 2017 - Sep 27, 20261,179 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.15"
September 1-27, 2026(13 of 27 days covered by obs)
NOAA Normal
3.62"
Departure from Normal
-0.47" : 87% of Normal
Year-To-Date: 28.95"
Jan 1 to Sep 27, 2026(114 of 270 days covered by obs)
NOAA Normal
33.17"
Departure from Normal
-4.22" : 87% of Normal
Water Year-To-Date: 38.83"
Oct 1, 2025 to Sep 27, 2026(150 of 362 days covered by obs)
NOAA Normal
45.77"
Departure from Normal
-6.94" : 85% 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