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, December 1998

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 1998
1-Month
26.5°F
(-3.1°C)
25.2°F
(-3.8°C)
1.3°F
(0.7°C)
80th Coolest
Coolest since:
1909
49th Warmest
Warmest since:
1980
Nov–Dec 1998
2-Month
32.1°F
(0.1°C)
29.4°F
(-1.4°C)
2.7°F
(1.5°C)
105th Coolest
Coolest since:
1972
24th Warmest
Warmest since:
2021
Ties: 1906, 1954
Oct–Dec 1998
3-Month
37.0°F
(2.8°C)
35.1°F
(1.7°C)
1.9°F
(1.1°C)
98th Coolest
Coolest since:
1898
31st Warmest
Warmest since:
2021
Ties: 1901, 1942
Sep–Dec 1998
4-Month
43.4°F
(6.3°C)
40.7°F
(4.8°C)
2.7°F
(1.5°C)
120th Coolest
Coolest since:
1898
9th Warmest
Warmest since:
2021
Ties: 1921, 1950, 1980
Aug–Dec 1998
5-Month
48.0°F
(8.9°C)
45.6°F
(7.6°C)
2.4°F
(1.3°C)
121st Coolest
Coolest since:
1898
8th Warmest
Warmest since:
2021
Ties: 1939
Jul–Dec 1998
6-Month
51.5°F
(10.8°C)
49.1°F
(9.5°C)
2.4°F
(1.3°C)
118th Coolest
Coolest since:
1898, 1912
11th Warmest
Warmest since:
2021
Ties: 1980
Jun–Dec 1998
7-Month
52.6°F
(11.4°C)
50.9°F
(10.5°C)
1.7°F
(0.9°C)
108th Coolest
Coolest since:
1912
21st Warmest
Warmest since:
2021
Ties: 1994, 2005
May–Dec 1998
8-Month
52.8°F
(11.6°C)
51.0°F
(10.6°C)
1.8°F
(1.0°C)
111th Coolest
Coolest since:
1912
18th Warmest
Warmest since:
2021
Ties: 1958, 1980, 2015, 2022
Apr–Dec 1998
9-Month
51.5°F
(10.8°C)
50.0°F
(10.0°C)
1.5°F
(0.8°C)
104th Coolest
Coolest since:
1912
25th Warmest
Warmest since:
2021
Ties: 1910
Mar–Dec 1998
10-Month
49.7°F
(9.8°C)
48.4°F
(9.1°C)
1.3°F
(0.7°C)
99th Coolest
Coolest since:
1912
30th Warmest
Warmest since:
2012
Ties: 1989, 1999, 2011
Feb–Dec 1998
11-Month
47.9°F
(8.8°C)
46.5°F
(8.1°C)
1.4°F
(0.7°C)
105th Coolest
Coolest since:
1912
24th Warmest
Warmest since:
2012, 2017
Ties: 1940
Jan–Dec 1998
12-Month
46.3°F
(7.9°C)
44.6°F
(7.0°C)
1.7°F
(0.9°C)
111th Coolest
Coolest since:
1912
18th Warmest
Warmest since:
2012
Ties: 1977, 1986
Jul 1997–Dec 1998
18-Month
47.2°F
(8.4°C)
46.1°F
(7.8°C)
1.1°F
(0.6°C)
101st Coolest
Coolest since:
1912
27th Warmest
Warmest since:
1934
Ties: 1935, 1995
Jan 1997–Dec 1998
24-Month
45.5°F
(7.5°C)
44.6°F
(7.0°C)
0.9°F
(0.5°C)
94th Coolest
Coolest since:
1913
34th Warmest
Warmest since:
2017
Ties: 1940, 1977, 1990
Jan 1996–Dec 1998
36-Month
45.6°F
(7.6°C)
44.6°F
(7.0°C)
1.0°F
(0.6°C)
99th Coolest
Coolest since:
1913, 1914
28th Warmest
Warmest since:
2017
Ties: 1982, 1988, 2011
Jan 1995–Dec 1998
48-Month
45.6°F
(7.6°C)
44.6°F
(7.0°C)
1.0°F
(0.6°C)
100th Coolest
Coolest since:
1915
26th Warmest
Warmest since:
2018
Ties: 1935, 1956, 2010
Jan 1994–Dec 1998
60-Month
45.8°F
(7.7°C)
44.6°F
(7.0°C)
1.2°F
(0.7°C)
103rd Coolest
Coolest since:
1916
22nd Warmest
Warmest to Date
2018
Ties: 1999, 2010

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