Viewing Station: NJ-MS-123 : Mendham 3.2 NNW
Oct 12, 2022 - Sep 18, 20261,304 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.08"
September 1-19, 2026(18 of 19 days covered by obs)
NOAA Normal
2.93"
Departure from Normal
0.15" : 105% of Normal
Year-To-Date: 38.96"
Jan 1 to Sep 19, 2026(254 of 262 days covered by obs)
NOAA Normal
36.57"
Departure from Normal
2.39" : 107% of Normal
Water Year-To-Date: 48.28"
Oct 1, 2025 to Sep 19, 2026(342 of 354 days covered by obs)
NOAA Normal
49.58"
Departure from Normal
-1.30" : 97% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.76
3.75
0.01
Feb
2.95
3.10
-0.15
Mar
4.21
4.36
-0.15
Apr
4.16
4.18
-0.02
May
4.25
4.28
-0.03
Jun
4.92
5.05
-0.13
Jul
4.83
4.75
0.08
Aug
4.56
4.67
-0.11
Sep
4.63
4.59
0.04
Oct
4.71
4.91
-0.20
Nov
3.67
3.77
-0.10
Dec
4.63
4.72
-0.09
51.28
52.13
-0.85