Viewing Station: CO-WE-203 : Longmont 8.2 ESE
May 1, 2001 - Sep 18, 20269,142 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.14"
September 1-20, 2026(17 of 20 days covered by obs)
NOAA Normal
0.81"
Departure from Normal
-0.67" : 17% of Normal
Year-To-Date: 6.61"
Jan 1 to Sep 20, 2026(260 of 263 days covered by obs)
NOAA Normal
11.29"
Departure from Normal
-4.68" : 59% of Normal
Water Year-To-Date: 7.78"
Oct 1, 2025 to Sep 20, 2026(352 of 355 days covered by obs)
NOAA Normal
13.29"
Departure from Normal
-5.51" : 59% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.39
0.39
0.00
Feb
0.44
0.43
0.01
Mar
0.97
1.19
-0.22
Apr
1.79
1.78
0.01
May
2.30
2.17
0.13
Jun
1.48
1.38
0.10
Jul
1.62
1.38
0.24
Aug
1.49
1.31
0.18
Sep
1.21
1.47
-0.26
Oct
0.97
1.00
-0.03
Nov
0.65
0.70
-0.05
Dec
0.38
0.44
-0.06
13.69
13.64
0.05