Viewing Station: CO-AR-290 : Littleton 1.5 NE
Sep 29, 2012 - May 18, 20264,043 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.41"
May 1-18, 2026(18 of 18 days covered by obs)
NOAA Normal
1.39"
Departure from Normal
-0.98" : 29% of Normal
Year-To-Date: 2.58"
Jan 1 to May 18, 2026(136 of 138 days covered by obs)
NOAA Normal
5.82"
Departure from Normal
-3.24" : 44% of Normal
Water Year-To-Date: 3.86"
Oct 1, 2025 to May 18, 2026(214 of 230 days covered by obs)
NOAA Normal
8.28"
Departure from Normal
-4.42" : 47% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.50
0.51
-0.01
Feb
0.58
0.64
-0.06
Mar
1.34
1.38
-0.04
Apr
2.01
2.10
-0.09
May
2.40
2.40
0.00
Jun
1.78
1.71
0.07
Jul
1.91
1.92
-0.01
Aug
1.85
1.79
0.06
Sep
1.43
1.30
0.13
Oct
1.12
1.19
-0.07
Nov
0.78
0.81
-0.03
Dec
0.56
0.54
0.02
16.26
16.29
-0.03