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, September 1989

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
September 1989
1-Month		57.6°F
(14.2°C)		57.3°F
(14.1°C)		0.3°F
(0.1°C)		63rd Coolest
Coolest since:
1912
66th Warmest
Warmest since:
2019
Ties: 1925, 2009
Aug–Sep 1989
2-Month		61.1°F
(16.2°C)		61.3°F
(16.3°C)		-0.2°F
(-0.1°C)		50th Coolest
Coolest since:
1912
79th Warmest
Warmest since:
2019
Ties: 1966
Jul–Sep 1989
3-Month		63.6°F
(17.6°C)		63.2°F
(17.3°C)		0.4°F
(0.3°C)		67th Coolest
Coolest since:
1912
62nd Warmest
Warmest since:
2022
Ties: 1897, 1964
Jun–Sep 1989
4-Month		62.7°F
(17.1°C)		62.7°F
(17.1°C)		0.0°F
(0.0°C)		55th Coolest
Coolest since:
1912
74th Warmest
Warmest since:
2012, 2021
Ties: 1898, 1900, 1911, 1914, 1964, 1987
May–Sep 1989
5-Month		61.0°F
(16.1°C)		60.5°F
(15.8°C)		0.5°F
(0.3°C)		75th Coolest
Coolest since:
1915
54th Warmest
Warmest since:
2018
Ties: 1947, 1953, 1955, 1959, 2008
Apr–Sep 1989
6-Month		58.6°F
(14.8°C)		57.5°F
(14.2°C)		1.1°F
(0.6°C)		89th Coolest
Coolest since:
1912
40th Warmest
Warmest since:
2012
Ties: 1956
Mar–Sep 1989
7-Month		55.8°F
(13.2°C)		54.1°F
(12.3°C)		1.7°F
(0.9°C)		107th Coolest
Coolest since:
1912
22nd Warmest
Warmest since:
2012
Ties: 1981, 2011
Feb–Sep 1989
8-Month		51.6°F
(10.9°C)		50.8°F
(10.4°C)		0.8°F
(0.5°C)		87th Coolest
Coolest since:
1912
42nd Warmest
Warmest since:
2012
Ties: 1988, 1999, 2019
Jan–Sep 1989
9-Month		48.6°F
(9.2°C)		47.8°F
(8.8°C)		0.8°F
(0.4°C)		85th Coolest
Coolest since:
1912
44th Warmest
Warmest since:
2012
Ties: 1935, 1938
Dec 1988–Sep 1989
10-Month		46.3°F
(7.9°C)		45.5°F
(7.5°C)		0.8°F
(0.4°C)		82nd Coolest
Coolest since:
1912
46th Warmest
Warmest since:
1934
Ties: 1953, 1958, 1987, 1997
Nov 1988–Sep 1989
11-Month		45.2°F
(7.3°C)		44.4°F
(6.9°C)		0.8°F
(0.4°C)		83rd Coolest
Coolest since:
1912
45th Warmest
Warmest since:
2018
Ties: 1956, 1987, 1997
Oct 1988–Sep 1989
12-Month		45.6°F
(7.6°C)		44.6°F
(7.0°C)		1.0°F
(0.6°C)		95th Coolest
Coolest since:
1912
33rd Warmest
Warmest since:
1934, 2000
Ties: 1946, 1978, 1992, 1998
Apr 1988–Sep 1989
18-Month		50.0°F
(10.0°C)		48.9°F
(9.4°C)		1.1°F
(0.6°C)		97th Coolest
Coolest since:
1917
31st Warmest
Warmest since:
2018
Ties: 1986, 2009
Oct 1987–Sep 1989
24-Month		45.2°F
(7.3°C)		44.6°F
(7.0°C)		0.6°F
(0.3°C)		82nd Coolest
Coolest since:
1913
45th Warmest
Warmest since:
2018
Ties: 1967, 1977
Oct 1986–Sep 1989
36-Month		45.2°F
(7.3°C)		44.6°F
(7.0°C)		0.6°F
(0.3°C)		84th Coolest
Coolest since:
1914
42nd Warmest
Warmest since:
2018
Oct 1985–Sep 1989
48-Month		45.4°F
(7.4°C)		44.6°F
(7.0°C)		0.8°F
(0.4°C)		93rd Coolest
Coolest since:
1915
32nd Warmest
Warmest since:
2018
Ties: 1990
Oct 1984–Sep 1989
60-Month		45.2°F
(7.3°C)		44.6°F
(7.0°C)		0.6°F
(0.3°C)		89th Coolest
Coolest since:
1916
35th Warmest
Warmest since:
2018
Ties: 1954, 1956, 1957, 1958, 1981, 1993, 1994

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