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 1934

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
April 1934
1-Month
46.6°F
(8.1°C)
41.7°F
(5.4°C)
4.9°F
(2.7°C)
121st Coolest
Coolest since:
1920
8th Warmest
Warmest since:
1992
Ties: 1981
Mar–Apr 1934
2-Month
43.4°F
(6.3°C)
37.2°F
(2.9°C)
6.2°F
(3.4°C)
128th Coolest
Coolest since:
1917
1st Warmest
Warmest to Date
1934, 1992
Ties: 1992
Feb–Apr 1934
3-Month
40.2°F
(4.6°C)
33.3°F
(0.7°C)
6.9°F
(3.9°C)
128th Coolest
Coolest since:
1903
1st Warmest
Warmest to Date
1934
Jan–Apr 1934
4-Month
36.8°F
(2.7°C)
30.3°F
(-0.9°C)
6.5°F
(3.6°C)
128th Coolest
Coolest since:
1917
1st Warmest
Warmest to Date
1934
Dec 1933–Apr 1934
5-Month
35.2°F
(1.8°C)
28.8°F
(-1.8°C)
6.4°F
(3.6°C)
127th Coolest
Coolest since:
1917
1st Warmest
Warmest to Date
1934
Nov 1933–Apr 1934
6-Month
35.2°F
(1.8°C)
29.4°F
(-1.4°C)
5.8°F
(3.2°C)
127th Coolest
Coolest since:
1917
1st Warmest
Warmest to Date
1934
Oct 1933–Apr 1934
7-Month
37.1°F
(2.8°C)
31.6°F
(-0.2°C)
5.5°F
(3.0°C)
127th Coolest
Coolest since:
1917
1st Warmest
Warmest to Date
1934
Sep 1933–Apr 1934
8-Month
39.9°F
(4.4°C)
34.7°F
(1.5°C)
5.2°F
(2.9°C)
127th Coolest
Coolest since:
1917
1st Warmest
Warmest to Date
1934
Aug 1933–Apr 1934
9-Month
42.6°F
(5.9°C)
38.0°F
(3.3°C)
4.6°F
(2.6°C)
127th Coolest
Coolest since:
1917
1st Warmest
Warmest to Date
1934
Jul 1933–Apr 1934
10-Month
45.3°F
(7.4°C)
41.0°F
(5.0°C)
4.3°F
(2.4°C)
127th Coolest
Coolest since:
1917
1st Warmest
Warmest to Date
1934
Jun 1933–Apr 1934
11-Month
47.0°F
(8.3°C)
42.7°F
(5.9°C)
4.3°F
(2.4°C)
127th Coolest
Coolest since:
1917
1st Warmest
Warmest to Date
1934
May 1933–Apr 1934
12-Month
47.0°F
(8.3°C)
43.5°F
(6.4°C)
3.5°F
(1.9°C)
127th Coolest
Coolest since:
1917
1st Warmest
Warmest to Date
1934, 2015, 2018
Ties: 2015, 2018
Nov 1932–Apr 1934
18-Month
39.7°F
(4.3°C)
38.7°F
(3.7°C)
1.0°F
(0.6°C)
90th Coolest
Coolest since:
1913
37th Warmest
Warmest to Date
2018
Ties: 1989, 1998
May 1932–Apr 1934
24-Month
44.0°F
(6.7°C)
43.4°F
(6.3°C)
0.6°F
(0.4°C)
83rd Coolest
Coolest since:
1913
44th Warmest
Warmest to Date
2018
Ties: 1940, 1955, 1961, 1983, 2011
May 1931–Apr 1934
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, 1957, 1958, 1964, 1986
May 1930–Apr 1934
48-Month
43.2°F
(6.2°C)
43.4°F
(6.3°C)
-0.2°F
(-0.1°C)
46th Coolest
Coolest since:
1899, 1915
79th Warmest
Warmest since:
2018
Ties: 1953
May 1929–Apr 1934
60-Month
43.2°F
(6.2°C)
43.4°F
(6.3°C)
-0.2°F
(-0.1°C)
43rd Coolest
Coolest since:
1917
81st Warmest
Warmest to Date
2018, 2019
Ties: 1949, 1950, 1951, 1966, 1972

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