Viewing Station: NJ-MS-134 : Mendham 3.7 NNW
Apr 1, 2025 - Sep 17, 2026303 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.01"
September 1-21, 2026(18 of 21 days covered by obs)
NOAA Normal
3.24"
Departure from Normal
-0.23" : 93% of Normal
Year-To-Date: 22.85"
Jan 1 to Sep 21, 2026(125 of 264 days covered by obs)
NOAA Normal
36.88"
Departure from Normal
-14.03" : 62% of Normal
Water Year-To-Date: 29.01"
Oct 1, 2025 to Sep 21, 2026(176 of 356 days covered by obs)
NOAA Normal
49.89"
Departure from Normal
-20.88" : 58% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.76
3.75
0.01
Feb
2.95
3.14
-0.19
Mar
4.21
4.39
-0.18
Apr
4.16
4.21
-0.05
May
4.25
4.32
-0.07
Jun
4.92
5.09
-0.17
Jul
4.83
4.74
0.09
Aug
4.56
4.69
-0.13
Sep
4.63
4.60
0.03
Oct
4.71
4.97
-0.26
Nov
3.67
3.79
-0.12
Dec
4.63
4.75
-0.12
51.28
52.44
-1.16