Viewing Station: PA-LH-24 : Allentown 2.6 WNW
Apr 1, 2019 - Aug 21, 20261,771 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.95"
August 1-21, 2026(21 of 21 days covered by obs)
NOAA Normal
3.10"
Departure from Normal
0.85" : 128% of Normal
Year-To-Date: 15.69"
Jan 1 to Aug 21, 2026(146 of 233 days covered by obs)
NOAA Normal
29.54"
Departure from Normal
-13.85" : 53% of Normal
Water Year-To-Date: 21.80"
Oct 1, 2025 to Aug 21, 2026(227 of 325 days covered by obs)
NOAA Normal
41.00"
Departure from Normal
-19.20" : 53% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.39
3.56
-0.17
Feb
2.68
2.90
-0.22
Mar
3.75
3.86
-0.11
Apr
3.74
3.82
-0.08
May
3.74
3.89
-0.15
Jun
4.33
4.59
-0.26
Jul
4.81
5.10
-0.29
Aug
4.57
4.70
-0.13
Sep
4.56
4.77
-0.21
Oct
4.24
4.44
-0.20
Nov
3.36
3.35
0.01
Dec
3.86
4.17
-0.31
47.03
49.15
-2.12