Viewing Station: PA-DL-15 : Bryn Mawr 0.7 W
Oct 1, 2018 - Aug 21, 20262,903 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 6.03"
August 1-21, 2026(21 of 21 days covered by obs)
NOAA Normal
3.04"
Departure from Normal
2.99" : 198% of Normal
Year-To-Date: 26.85"
Jan 1 to Aug 21, 2026(233 of 233 days covered by obs)
NOAA Normal
29.97"
Departure from Normal
-3.12" : 90% of Normal
Water Year-To-Date: 35.87"
Oct 1, 2025 to Aug 21, 2026(325 of 325 days covered by obs)
NOAA Normal
41.51"
Departure from Normal
-5.64" : 86% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.42
3.53
-0.11
Feb
2.80
2.89
-0.09
Mar
4.09
4.26
-0.17
Apr
3.71
3.68
0.03
May
3.86
3.92
-0.06
Jun
4.36
4.21
0.15
Jul
4.69
4.66
0.03
Aug
4.49
4.81
-0.32
Sep
4.60
4.44
0.16
Oct
3.97
4.05
-0.08
Nov
3.32
3.24
0.08
Dec
4.25
4.42
-0.17
47.56
48.11
-0.55