Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Colorado

Precipitation Rankings, January 1981

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
January 1981
1-Month
0.36"
(9.14mm)
1.06"
(26.92mm)
-0.70"
(-17.78mm)
7th Driest
Driest since:
1919, 1931
122nd Wettest
Wettest since:
1916
Ties: 1934
Dec 1980–Jan 1981
2-Month
0.76"
(19.30mm)
2.13"
(54.10mm)
-1.37"
(-34.80mm)
2nd Driest
Driest since:
1931
126th Wettest
Wettest since:
1914
Ties: 1904
Nov 1980–Jan 1981
3-Month
1.44"
(36.58mm)
3.20"
(81.28mm)
-1.76"
(-44.70mm)
3rd Driest
Driest since:
1904
125th Wettest
Wettest since:
1979
Oct 1980–Jan 1981
4-Month
2.33"
(59.18mm)
4.54"
(115.32mm)
-2.21"
(-56.14mm)
3rd Driest
Driest since:
1977
125th Wettest
Wettest since:
1909
Sep 1980–Jan 1981
5-Month
3.42"
(86.87mm)
5.96"
(151.38mm)
-2.54"
(-64.51mm)
3rd Driest
Driest since:
1904
125th Wettest
Wettest since:
1942
Aug 1980–Jan 1981
6-Month
4.93"
(125.22mm)
7.98"
(202.69mm)
-3.05"
(-77.47mm)
3rd Driest
Driest since:
1901
125th Wettest
Wettest since:
1942
Jul 1980–Jan 1981
7-Month
6.33"
(160.78mm)
10.07"
(255.78mm)
-3.74"
(-95.00mm)
2nd Driest
Driest since:
1901
126th Wettest
Wettest since:
2007
Jun 1980–Jan 1981
8-Month
6.85"
(173.99mm)
11.62"
(295.15mm)
-4.77"
(-121.16mm)
1st Driest
Driest since:
1901, 1981
127th Wettest
Wettest since:
1942
Ties: 1901
May 1980–Jan 1981
9-Month
9.74"
(247.40mm)
13.64"
(346.46mm)
-3.90"
(-99.06mm)
7th Driest
Driest since:
1901
121st Wettest
Wettest since:
1942
Apr 1980–Jan 1981
10-Month
12.10"
(307.34mm)
15.52"
(394.21mm)
-3.42"
(-86.87mm)
9th Driest
Driest since:
1940
119th Wettest
Wettest since:
1942
Mar 1980–Jan 1981
11-Month
14.11"
(358.39mm)
17.02"
(432.31mm)
-2.91"
(-73.92mm)
18th Driest
Driest since:
2021
110th Wettest
Wettest since:
1942
Feb 1980–Jan 1981
12-Month
15.85"
(402.59mm)
18.10"
(459.74mm)
-2.25"
(-57.15mm)
24th Driest
Driest since:
2003
104th Wettest
Wettest since:
1942
Aug 1979–Jan 1981
18-Month
24.60"
(624.84mm)
26.08"
(662.43mm)
-1.48"
(-37.59mm)
44th Driest
Driest since:
2003
83rd Wettest
Wettest since:
1942
Feb 1979–Jan 1981
24-Month
35.55"
(902.97mm)
36.16"
(918.46mm)
-0.61"
(-15.49mm)
57th Driest
Driest since:
2003
70th Wettest
Wettest since:
1943
Feb 1978–Jan 1981
36-Month
53.85"
(1,367.79mm)
54.20"
(1,376.68mm)
-0.35"
(-8.89mm)
57th Driest
Driest since:
1977
69th Wettest
Wettest since:
1943
Feb 1977–Jan 1981
48-Month
70.57"
(1,792.48mm)
72.24"
(1,834.90mm)
-1.67"
(-42.42mm)
45th Driest
Driest since:
1957
80th Wettest
Wettest since:
1987
Feb 1976–Jan 1981
60-Month
85.11"
(2,161.79mm)
90.25"
(2,292.35mm)
-5.14"
(-130.56mm)
29th Driest
Driest since:
1957
95th Wettest
Wettest since:
2000

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