Viewing Station: NJ-MS-82 : Mendham 1.5 W
Apr 8, 2016 - Sep 20, 20263,586 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.76"
September 1-20, 2026(19 of 20 days covered by obs)
NOAA Normal
3.08"
Departure from Normal
0.68" : 122% of Normal
Year-To-Date: 34.24"
Jan 1 to Sep 20, 2026(261 of 263 days covered by obs)
NOAA Normal
36.19"
Departure from Normal
-1.95" : 95% of Normal
Water Year-To-Date: 42.58"
Oct 1, 2025 to Sep 20, 2026(353 of 355 days covered by obs)
NOAA Normal
48.94"
Departure from Normal
-6.36" : 87% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.68
3.74
-0.06
Feb
2.88
2.98
-0.10
Mar
4.15
4.30
-0.15
Apr
3.99
4.09
-0.10
May
4.16
4.21
-0.05
Jun
4.81
4.95
-0.14
Jul
4.93
4.76
0.17
Aug
4.51
4.60
-0.09
Sep
4.62
4.54
0.08
Oct
4.60
4.65
-0.05
Nov
3.62
3.70
-0.08
Dec
4.53
4.61
-0.08
50.48
51.13
-0.65