Viewing Station: TN-BT-34 : Maryville 4.9 S
May 18, 2017 - Sep 16, 20263,057 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.53"
September 1-16, 2026(16 of 16 days covered by obs)
NOAA Normal
2.04"
Departure from Normal
-1.51" : 26% of Normal
Year-To-Date: 34.43"
Jan 1 to Sep 16, 2026(255 of 259 days covered by obs)
NOAA Normal
39.48"
Departure from Normal
-5.05" : 87% of Normal
Water Year-To-Date: 41.64"
Oct 1, 2025 to Sep 16, 2026(348 of 351 days covered by obs)
NOAA Normal
52.41"
Departure from Normal
-10.77" : 79% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
4.82
5.00
-0.18
Feb
5.04
4.96
0.08
Mar
5.22
5.27
-0.05
Apr
4.74
5.12
-0.38
May
4.09
4.61
-0.52
Jun
4.98
4.81
0.17
Jul
4.51
5.57
-1.06
Aug
4.04
3.94
0.10
Sep
3.83
4.09
-0.26
Oct
3.15
3.23
-0.08
Nov
4.53
4.44
0.09
Dec
5.25
5.50
-0.25
54.20
56.54
-2.34