Viewing Station: CO-WE-302 : Longmont 5.1 E
Jul 27, 2007 - Sep 20, 20266,523 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.18"
September 1-20, 2026(19 of 20 days covered by obs)
NOAA Normal
0.83"
Departure from Normal
-0.65" : 22% of Normal
Year-To-Date: 6.50"
Jan 1 to Sep 20, 2026(255 of 263 days covered by obs)
NOAA Normal
11.48"
Departure from Normal
-4.98" : 57% of Normal
Water Year-To-Date: 7.30"
Oct 1, 2025 to Sep 20, 2026(345 of 355 days covered by obs)
NOAA Normal
13.55"
Departure from Normal
-6.25" : 54% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.39
0.43
-0.04
Feb
0.42
0.49
-0.07
Mar
1.06
1.13
-0.07
Apr
1.84
1.82
0.02
May
2.37
2.41
-0.04
Jun
1.58
1.52
0.06
Jul
1.53
1.27
0.26
Aug
1.46
1.23
0.23
Sep
1.25
1.50
-0.25
Oct
1.01
1.01
0.00
Nov
0.66
0.67
-0.01
Dec
0.40
0.49
-0.09
13.97
13.97
-0.00