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, April 1986

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  • Record Coolest
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
April 1986
1-Month
42.9°F
(6.1°C)
41.7°F
(5.4°C)
1.2°F
(0.7°C)
79th Coolest
Coolest since:
1920
50th Warmest
Warmest since:
1992
Ties: 2017
Mar–Apr 1986
2-Month
41.4°F
(5.2°C)
37.2°F
(2.9°C)
4.2°F
(2.3°C)
118th Coolest
Coolest since:
1917
11th Warmest
Warmest since:
1934, 1992
Ties: 1946
Feb–Apr 1986
3-Month
38.0°F
(3.3°C)
33.4°F
(0.8°C)
4.6°F
(2.5°C)
122nd Coolest
Coolest since:
1903
7th Warmest
Warmest since:
1934
Jan–Apr 1986
4-Month
35.2°F
(1.8°C)
30.3°F
(-0.9°C)
4.9°F
(2.7°C)
124th Coolest
Coolest since:
1917
5th Warmest
Warmest since:
1934
Dec 1985–Apr 1986
5-Month
32.9°F
(0.5°C)
28.8°F
(-1.8°C)
4.1°F
(2.3°C)
121st Coolest
Coolest since:
1917
7th Warmest
Warmest since:
1934
Nov 1985–Apr 1986
6-Month
32.5°F
(0.3°C)
29.4°F
(-1.4°C)
3.1°F
(1.7°C)
117th Coolest
Coolest since:
1917
11th Warmest
Warmest since:
1934
Ties: 1978, 2005
Oct 1985–Apr 1986
7-Month
34.3°F
(1.3°C)
31.7°F
(-0.2°C)
2.6°F
(1.5°C)
115th Coolest
Coolest since:
1917
13th Warmest
Warmest since:
1934
Ties: 1943, 1999, 2009, 2022
Sep 1985–Apr 1986
8-Month
36.6°F
(2.6°C)
34.8°F
(1.6°C)
1.8°F
(1.0°C)
100th Coolest
Coolest since:
1917
28th Warmest
Warmest since:
1934
Ties: 1959
Aug 1985–Apr 1986
9-Month
39.8°F
(4.3°C)
38.1°F
(3.4°C)
1.7°F
(0.9°C)
99th Coolest
Coolest since:
1917
29th Warmest
Warmest since:
1934
Ties: 2002
Jul 1985–Apr 1986
10-Month
42.7°F
(5.9°C)
41.0°F
(5.0°C)
1.7°F
(0.9°C)
102nd Coolest
Coolest since:
1917
26th Warmest
Warmest since:
1934
Ties: 1938, 1992
Jun 1985–Apr 1986
11-Month
44.5°F
(6.9°C)
42.8°F
(6.0°C)
1.7°F
(0.9°C)
105th Coolest
Coolest since:
1917
23rd Warmest
Warmest since:
1934
Ties: 1940, 1959, 1989, 2005, 2007, 2019
May 1985–Apr 1986
12-Month
45.2°F
(7.3°C)
43.4°F
(6.3°C)
1.8°F
(1.0°C)
103rd Coolest
Coolest since:
1917
25th Warmest
Warmest since:
1934, 2015, 2018
Ties: 1935, 1940, 1954, 2005
Nov 1984–Apr 1986
18-Month
39.8°F
(4.3°C)
38.8°F
(3.8°C)
1.0°F
(0.5°C)
92nd Coolest
Coolest since:
1913
35th Warmest
Warmest since:
2018
Ties: 2009
May 1984–Apr 1986
24-Month
44.1°F
(6.7°C)
43.4°F
(6.3°C)
0.7°F
(0.4°C)
85th Coolest
Coolest since:
1913
42nd Warmest
Warmest since:
2018
Ties: 1959
May 1983–Apr 1986
36-Month
43.5°F
(6.4°C)
43.4°F
(6.3°C)
0.1°F
(0.1°C)
57th Coolest
Coolest since:
1914
69th Warmest
Warmest since:
2017, 2018, 2019
Ties: 1902, 1934, 1957, 1958, 1964
May 1982–Apr 1986
48-Month
43.5°F
(6.4°C)
43.4°F
(6.3°C)
0.1°F
(0.1°C)
58th Coolest
Coolest since:
1899, 1915
67th Warmest
Warmest since:
2018
Ties: 1939, 1947, 1948, 1967, 1979
May 1981–Apr 1986
60-Month
43.7°F
(6.5°C)
43.4°F
(6.3°C)
0.3°F
(0.2°C)
70th Coolest
Coolest since:
1917
54th Warmest
Warmest since:
2018, 2019
Ties: 1947, 1958, 1959, 1964, 1978, 1988

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