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, May 1990

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 1990
1-Month
50.5°F
(10.3°C)
51.8°F
(11.0°C)
-1.3°F
(-0.7°C)
36th Coolest
Coolest since:
1917
93rd Warmest
Warmest since:
1934
Ties: 1973
Apr–May 1990
2-Month
47.8°F
(8.8°C)
47.2°F
(8.4°C)
0.6°F
(0.4°C)
72nd Coolest
Coolest since:
1917
57th Warmest
Warmest since:
1934
Ties: 1919, 1926, 2014
Mar–May 1990
3-Month
44.1°F
(6.7°C)
42.7°F
(5.9°C)
1.4°F
(0.8°C)
96th Coolest
Coolest since:
1917
33rd Warmest
Warmest since:
2012
Ties: 1967, 2016, 2022
Feb–May 1990
4-Month
40.0°F
(4.4°C)
38.9°F
(3.8°C)
1.1°F
(0.6°C)
89th Coolest
Coolest since:
1917
40th Warmest
Warmest since:
1934
Ties: 1926, 2002
Jan–May 1990
5-Month
37.3°F
(2.9°C)
35.9°F
(2.2°C)
1.4°F
(0.7°C)
99th Coolest
Coolest since:
1917
30th Warmest
Warmest since:
1934
Ties: 1921, 1927
Dec 1989–May 1990
6-Month
35.0°F
(1.7°C)
34.0°F
(1.1°C)
1.0°F
(0.6°C)
87th Coolest
Coolest since:
1917
41st Warmest
Warmest since:
1934
Ties: 1921, 1935, 1938, 1977, 2014, 2021
Nov 1989–May 1990
7-Month
35.2°F
(1.8°C)
34.0°F
(1.1°C)
1.2°F
(0.7°C)
96th Coolest
Coolest since:
1917
32nd Warmest
Warmest since:
1934
Ties: 1902, 1904, 1935, 1987, 1989, 1995
Oct 1989–May 1990
8-Month
36.7°F
(2.6°C)
35.6°F
(2.0°C)
1.1°F
(0.6°C)
94th Coolest
Coolest since:
1917
34th Warmest
Warmest since:
1934
Ties: 1978
Sep 1989–May 1990
9-Month
39.0°F
(3.9°C)
38.0°F
(3.3°C)
1.0°F
(0.6°C)
95th Coolest
Coolest since:
1917
33rd Warmest
Warmest since:
1934
Ties: 1902, 1938, 1995
Aug 1989–May 1990
10-Month
41.5°F
(5.3°C)
40.7°F
(4.8°C)
0.8°F
(0.5°C)
88th Coolest
Coolest since:
1917
40th Warmest
Warmest since:
1934
Ties: 1946, 1950, 2013
Jul 1989–May 1990
11-Month
44.0°F
(6.7°C)
43.1°F
(6.2°C)
0.9°F
(0.5°C)
90th Coolest
Coolest since:
1917
38th Warmest
Warmest since:
1934
Ties: 1956
Jun 1989–May 1990
12-Month
45.3°F
(7.4°C)
44.6°F
(7.0°C)
0.7°F
(0.4°C)
84th Coolest
Coolest since:
1917
44th Warmest
Warmest since:
1934
Ties: 1956, 1998, 2008
Dec 1988–May 1990
18-Month
42.0°F
(5.6°C)
41.1°F
(5.1°C)
0.9°F
(0.5°C)
92nd Coolest
Coolest since:
1913
35th Warmest
Warmest since:
2018
Ties: 1991, 2008, 2009
Jun 1988–May 1990
24-Month
45.7°F
(7.6°C)
44.6°F
(7.0°C)
1.1°F
(0.6°C)
98th Coolest
Coolest since:
1913
29th Warmest
Warmest since:
2018
Ties: 1941, 1981
Jun 1987–May 1990
36-Month
45.3°F
(7.4°C)
44.6°F
(7.0°C)
0.7°F
(0.4°C)
90th Coolest
Coolest since:
1914
36th Warmest
Warmest since:
2018
Ties: 1940, 1941, 2010
Jun 1986–May 1990
48-Month
45.2°F
(7.3°C)
44.5°F
(6.9°C)
0.7°F
(0.4°C)
88th Coolest
Coolest since:
1915
37th Warmest
Warmest since:
2018
Ties: 1938, 1981, 1984, 1993, 1995
Jun 1985–May 1990
60-Month
45.4°F
(7.4°C)
44.6°F
(7.0°C)
0.8°F
(0.4°C)
96th Coolest
Coolest since:
1917
28th Warmest
Warmest since:
2018
Ties: 1937, 1993, 1998

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