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 1960

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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
April 1960
1-Month
43.3°F
(6.3°C)
41.7°F
(5.4°C)
1.6°F
(0.9°C)
87th Coolest
Coolest since:
1920
42nd Warmest
Warmest since:
1992
Ties: 1907
Mar–Apr 1960
2-Month
38.6°F
(3.7°C)
37.2°F
(2.9°C)
1.4°F
(0.8°C)
78th Coolest
Coolest since:
1917
51st Warmest
Warmest since:
1934, 1992
Ties: 1911
Feb–Apr 1960
3-Month
32.4°F
(0.2°C)
33.4°F
(0.8°C)
-1.0°F
(-0.6°C)
35th Coolest
Coolest since:
1903
94th Warmest
Warmest since:
1934
Ties: 1898, 1924
Jan–Apr 1960
4-Month
29.2°F
(-1.6°C)
30.3°F
(-0.9°C)
-1.1°F
(-0.7°C)
34th Coolest
Coolest since:
1917
95th Warmest
Warmest since:
1934
Dec 1959–Apr 1960
5-Month
28.6°F
(-1.9°C)
28.8°F
(-1.8°C)
-0.2°F
(-0.1°C)
49th Coolest
Coolest since:
1917
79th Warmest
Warmest since:
1934
Nov 1959–Apr 1960
6-Month
29.3°F
(-1.5°C)
29.4°F
(-1.4°C)
-0.1°F
(-0.1°C)
51st Coolest
Coolest since:
1917
77th Warmest
Warmest since:
1934
Ties: 1930
Oct 1959–Apr 1960
7-Month
31.5°F
(-0.3°C)
31.7°F
(-0.2°C)
-0.2°F
(-0.1°C)
48th Coolest
Coolest since:
1917
80th Warmest
Warmest since:
1934
Ties: 1958
Sep 1959–Apr 1960
8-Month
34.4°F
(1.3°C)
34.7°F
(1.5°C)
-0.3°F
(-0.2°C)
42nd Coolest
Coolest since:
1917
86th Warmest
Warmest since:
1934
Ties: 1915, 1930, 1971
Aug 1959–Apr 1960
9-Month
37.8°F
(3.2°C)
38.1°F
(3.4°C)
-0.3°F
(-0.2°C)
44th Coolest
Coolest since:
1917
84th Warmest
Warmest since:
1934
Ties: 1908, 1916, 1957, 1958, 1964, 1966, 1976
Jul 1959–Apr 1960
10-Month
40.8°F
(4.9°C)
41.0°F
(5.0°C)
-0.2°F
(-0.1°C)
50th Coolest
Coolest since:
1917
78th Warmest
Warmest since:
1934
Ties: 1900, 1905, 1928, 1930, 1976
Jun 1959–Apr 1960
11-Month
42.9°F
(6.1°C)
42.8°F
(6.0°C)
0.1°F
(0.1°C)
66th Coolest
Coolest since:
1917
62nd Warmest
Warmest since:
1934
Ties: 1988
May 1959–Apr 1960
12-Month
43.5°F
(6.4°C)
43.4°F
(6.3°C)
0.1°F
(0.1°C)
57th Coolest
Coolest since:
1917
71st Warmest
Warmest since:
1934, 2015, 2018
Ties: 1946
Nov 1958–Apr 1960
18-Month
39.5°F
(4.2°C)
38.7°F
(3.7°C)
0.8°F
(0.5°C)
85th Coolest
Coolest since:
1913
42nd Warmest
Warmest since:
2018
Ties: 1911, 1988, 2020
May 1958–Apr 1960
24-Month
44.4°F
(6.9°C)
43.4°F
(6.3°C)
1.0°F
(0.6°C)
90th Coolest
Coolest since:
1913
37th Warmest
Warmest since:
2018
Ties: 1936, 1989
May 1957–Apr 1960
36-Month
43.9°F
(6.6°C)
43.4°F
(6.3°C)
0.5°F
(0.3°C)
77th Coolest
Coolest since:
1914
49th Warmest
Warmest since:
2017, 2018, 2019
Ties: 1943, 1981
May 1956–Apr 1960
48-Month
43.9°F
(6.6°C)
43.4°F
(6.3°C)
0.5°F
(0.3°C)
76th Coolest
Coolest since:
1899, 1915
49th Warmest
Warmest since:
2018
Ties: 1935, 1940, 1957, 1978
May 1955–Apr 1960
60-Month
43.9°F
(6.6°C)
43.4°F
(6.3°C)
0.5°F
(0.3°C)
80th Coolest
Coolest since:
1917
44th Warmest
Warmest since:
2018, 2019
Ties: 1937, 1943, 1957, 1983, 1985

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