Viewing Station: CO-BO-581 : Longmont 2.8 E
Jan 1, 2023 - Sep 17, 2025994 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 0.59"
September 1-17, 2025(17 of 17 days covered by obs)
NOAA Normal
0.73"
Departure from Normal
-0.14" : 81% of Normal
Year-To-Date: 10.30"
Jan 1 to Sep 17, 2025(260 of 260 days covered by obs)
NOAA Normal
11.72"
Departure from Normal
-1.42" : 88% of Normal
Water Year-To-Date: 11.76"
Oct 1, 2024 to Sep 17, 2025(352 of 352 days covered by obs)
NOAA Normal
13.89"
Departure from Normal
-2.13" : 85% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.44
0.44
0.00
Feb
0.47
0.52
-0.05
Mar
1.20
1.20
0.00
Apr
1.95
1.90
0.05
May
2.44
2.45
-0.01
Jun
1.61
1.49
0.12
Jul
1.47
1.32
0.15
Aug
1.41
1.34
0.07
Sep
1.29
1.43
-0.14
Oct
1.02
1.03
-0.01
Nov
0.70
0.71
-0.01
Dec
0.45
0.49
-0.04
14.45
14.32
0.13