Viewing Station: CO-BO-143 : Longmont 2.1 N
Mar 31, 2001 - Sep 30, 20269,358 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.22"
September 1-30, 2026(30 of 30 days covered by obs)
NOAA Normal
1.35"
Departure from Normal
-1.13" : 16% of Normal
Year-To-Date: 7.60"
Jan 1 to Sep 30, 2026(272 of 273 days covered by obs)
NOAA Normal
13.16"
Departure from Normal
-5.56" : 58% of Normal
Water Year-To-Date: 8.63"
Oct 1, 2025 to Sep 30, 2026(364 of 365 days covered by obs)
NOAA Normal
15.54"
Departure from Normal
-6.91" : 56% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.51
0.43
0.08
Feb
0.56
0.50
0.06
Mar
1.35
1.19
0.16
Apr
2.10
1.92
0.18
May
2.58
2.48
0.10
Jun
1.66
1.47
0.19
Jul
1.57
1.29
0.28
Aug
1.48
1.32
0.16
Sep
1.35
1.36
-0.01
Oct
1.10
1.05
0.05
Nov
0.79
0.72
0.07
Dec
0.49
0.45
0.04
15.54
14.18
1.36