Regional Rankings

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

Upper Colorado River Basin

Average Temperature Rankings, January 1930

View Period (Months):
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  • Record Coolest
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  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
January 1930
1-Month
13.0°F
(-10.6°C)
21.1°F
(-6.1°C)
-8.1°F
(-4.5°C)
5th Coolest
Coolest since:
1937
124th Warmest
Warmest since:
2003
Dec 1929–Jan 1930
2-Month
20.2°F
(-6.6°C)
22.1°F
(-5.5°C)
-1.9°F
(-1.1°C)
34th Coolest
Coolest since:
1979
94th Warmest
Warmest since:
1981
Nov 1929–Jan 1930
3-Month
22.7°F
(-5.2°C)
25.3°F
(-3.7°C)
-2.6°F
(-1.5°C)
21st Coolest
Coolest since:
1932
107th Warmest
Warmest since:
2018
Oct 1929–Jan 1930
4-Month
28.3°F
(-2.1°C)
30.4°F
(-0.9°C)
-2.1°F
(-1.2°C)
22nd Coolest
Coolest since:
1917
106th Warmest
Warmest since:
2018
Ties: 1929
Sep 1929–Jan 1930
5-Month
33.5°F
(0.8°C)
35.6°F
(2.0°C)
-2.1°F
(-1.2°C)
20th Coolest
Coolest since:
1913
108th Warmest
Warmest since:
2018
Ties: 1906, 1972
Aug 1929–Jan 1930
6-Month
38.9°F
(3.8°C)
40.5°F
(4.7°C)
-1.6°F
(-0.9°C)
24th Coolest
Coolest since:
1913
104th Warmest
Warmest since:
2018
Jul 1929–Jan 1930
7-Month
42.9°F
(6.1°C)
44.2°F
(6.8°C)
-1.3°F
(-0.7°C)
25th Coolest
Coolest since:
1913
103rd Warmest
Warmest since:
2018
Ties: 1915, 1937
Jun 1929–Jan 1930
8-Month
44.9°F
(7.2°C)
46.2°F
(7.9°C)
-1.3°F
(-0.7°C)
19th Coolest
Coolest since:
1913
109th Warmest
Warmest since:
2022
Ties: 1904, 1915, 1916, 1962
May 1929–Jan 1930
9-Month
45.4°F
(7.4°C)
46.7°F
(8.2°C)
-1.3°F
(-0.8°C)
18th Coolest
Coolest since:
1913
110th Warmest
Warmest since:
2022
Ties: 1898, 1952
Apr 1929–Jan 1930
10-Month
44.7°F
(7.1°C)
46.3°F
(7.9°C)
-1.6°F
(-0.8°C)
9th Coolest
Coolest since:
1913
119th Warmest
Warmest since:
2022
Ties: 1904, 1906, 1921, 1976
Mar 1929–Jan 1930
11-Month
43.4°F
(6.3°C)
45.1°F
(7.3°C)
-1.7°F
(-1.0°C)
7th Coolest
Coolest since:
1913
121st Warmest
Warmest since:
2018
Ties: 1898, 1904, 1909, 1921
Feb 1929–Jan 1930
12-Month
41.2°F
(5.1°C)
43.4°F
(6.3°C)
-2.2°F
(-1.2°C)
5th Coolest
Coolest since:
1913
123rd Warmest
Warmest since:
2018
Ties: 1917
Aug 1928–Jan 1930
18-Month
40.4°F
(4.7°C)
42.4°F
(5.8°C)
-2.0°F
(-1.1°C)
5th Coolest
Coolest since:
1913
122nd Warmest
Warmest since:
2018
Feb 1928–Jan 1930
24-Month
41.9°F
(5.5°C)
43.4°F
(6.3°C)
-1.5°F
(-0.8°C)
9th Coolest
Coolest since:
1913, 1914
118th Warmest
Warmest since:
2018, 2019
Ties: 1917
Feb 1927–Jan 1930
36-Month
42.3°F
(5.7°C)
43.4°F
(6.3°C)
-1.1°F
(-0.6°C)
14th Coolest
Coolest since:
1914
112th Warmest
Warmest since:
2018
Ties: 1932
Feb 1926–Jan 1930
48-Month
42.8°F
(6.0°C)
43.3°F
(6.3°C)
-0.5°F
(-0.3°C)
26th Coolest
Coolest since:
1899
99th Warmest
Warmest since:
2018
Ties: 1904, 1905, 1922, 1952, 1974, 1977
Feb 1925–Jan 1930
60-Month
43.0°F
(6.1°C)
43.4°F
(6.3°C)
-0.4°F
(-0.2°C)
35th Coolest
Coolest since:
1900, 1917
89th Warmest
Warmest since:
2019
Ties: 1905, 1911, 1952, 1969, 1974, 1975

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