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

Average Temperature Rankings, April 1991

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
April 1991
1-Month
41.9°F
(5.5°C)
42.5°F
(5.8°C)
-0.6°F
(-0.3°C)
44th Coolest
Coolest since:
1920
85th Warmest
Warmest since:
1943, 1946
Ties: 1903, 1907
Mar–Apr 1991
2-Month
38.4°F
(3.6°C)
38.1°F
(3.4°C)
0.3°F
(0.2°C)
62nd Coolest
Coolest since:
1917
67th Warmest
Warmest since:
2012
Ties: 1918, 1979, 1982, 1997
Feb–Apr 1991
3-Month
36.4°F
(2.4°C)
34.5°F
(1.4°C)
1.9°F
(1.0°C)
98th Coolest
Coolest since:
1903
31st Warmest
Warmest since:
2017
Jan–Apr 1991
4-Month
32.8°F
(0.4°C)
31.8°F
(-0.1°C)
1.0°F
(0.5°C)
85th Coolest
Coolest since:
1917, 1937
44th Warmest
Warmest since:
1986
Ties: 1900, 1925, 1950
Dec 1990–Apr 1991
5-Month
30.3°F
(-0.9°C)
30.5°F
(-0.8°C)
-0.2°F
(-0.1°C)
51st Coolest
Coolest since:
1899
77th Warmest
Warmest since:
1934, 1981
Nov 1990–Apr 1991
6-Month
31.4°F
(-0.3°C)
31.1°F
(-0.5°C)
0.3°F
(0.2°C)
68th Coolest
Coolest since:
1899
60th Warmest
Warmest since:
1934
Ties: 1961, 2013
Oct 1990–Apr 1991
7-Month
33.5°F
(0.8°C)
33.2°F
(0.7°C)
0.3°F
(0.1°C)
64th Coolest
Coolest since:
1899
64th Warmest
Warmest since:
1934
Ties: 1918, 1941, 1961, 2019
Sep 1990–Apr 1991
8-Month
37.0°F
(2.8°C)
36.2°F
(2.3°C)
0.8°F
(0.5°C)
85th Coolest
Coolest since:
1899
43rd Warmest
Warmest since:
1934
Ties: 1904, 1908, 1972, 2019
Aug 1990–Apr 1991
9-Month
40.1°F
(4.5°C)
39.5°F
(4.2°C)
0.6°F
(0.3°C)
82nd Coolest
Coolest since:
1899
46th Warmest
Warmest since:
1934
Ties: 1904, 1951, 1956, 2008
Jul 1990–Apr 1991
10-Month
42.7°F
(5.9°C)
42.2°F
(5.7°C)
0.5°F
(0.2°C)
78th Coolest
Coolest since:
1899
50th Warmest
Warmest since:
1934
Ties: 1904, 1961, 1998
Jun 1990–Apr 1991
11-Month
44.7°F
(7.1°C)
43.9°F
(6.6°C)
0.8°F
(0.5°C)
84th Coolest
Coolest since:
1913
44th Warmest
Warmest since:
1934, 2017
Ties: 1941, 1950, 1953
May 1990–Apr 1991
12-Month
45.2°F
(7.3°C)
44.6°F
(7.0°C)
0.6°F
(0.3°C)
79th Coolest
Coolest since:
1913
49th Warmest
Warmest since:
2017
Ties: 1957, 1998
Nov 1989–Apr 1991
18-Month
41.0°F
(5.0°C)
40.0°F
(4.4°C)
1.0°F
(0.6°C)
87th Coolest
Coolest since:
1913
40th Warmest
Warmest since:
2018
Ties: 1908, 2020
May 1989–Apr 1991
24-Month
45.4°F
(7.4°C)
44.6°F
(7.0°C)
0.8°F
(0.4°C)
91st Coolest
Coolest since:
1913
36th Warmest
Warmest since:
2018
Ties: 1978, 1997
May 1988–Apr 1991
36-Month
45.6°F
(7.6°C)
44.6°F
(7.0°C)
1.0°F
(0.6°C)
98th Coolest
Coolest since:
1914
28th Warmest
Warmest since:
2018
Ties: 1955, 1992, 2011
May 1987–Apr 1991
48-Month
45.3°F
(7.4°C)
44.6°F
(7.0°C)
0.7°F
(0.4°C)
90th Coolest
Coolest since:
1915
35th Warmest
Warmest since:
2018
Ties: 1981, 1983, 1989, 1995
May 1986–Apr 1991
60-Month
45.2°F
(7.3°C)
44.5°F
(6.9°C)
0.7°F
(0.4°C)
87th Coolest
Coolest since:
1917
37th Warmest
Warmest since:
2019
Ties: 1941, 1989, 1997

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