Viewing Station: TN-HL-31 : Chattanooga 5.1 ENE
May 12, 2013 - Sep 17, 20254,336 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.49"
September 1-18, 2025(17 of 18 days covered by obs)
NOAA Normal
2.66"
Departure from Normal
-2.17" : 18% of Normal
Year-To-Date: 50.56"
Jan 1 to Sep 18, 2025(247 of 261 days covered by obs)
NOAA Normal
40.63"
Departure from Normal
9.93" : 124% of Normal
Water Year-To-Date: 58.14"
Oct 1, 2024 to Sep 18, 2025(330 of 353 days covered by obs)
NOAA Normal
54.55"
Departure from Normal
3.59" : 107% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
5.07
5.29
-0.22
Feb
5.35
5.05
0.30
Mar
5.43
5.43
0.00
Apr
5.00
4.81
0.19
May
4.16
4.24
-0.08
Jun
4.38
4.39
-0.01
Jul
4.57
4.93
-0.36
Aug
4.01
3.84
0.17
Sep
4.43
4.67
-0.24
Oct
3.77
3.66
0.11
Nov
4.57
4.73
-0.16
Dec
5.58
5.84
-0.26
56.32
56.88
-0.56