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 1935

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
April 1935
1-Month
41.0°F
(5.0°C)
41.7°F
(5.4°C)
-0.7°F
(-0.4°C)
46th Coolest
Coolest since:
1920
83rd Warmest
Warmest since:
1992
Ties: 1947
Mar–Apr 1935
2-Month
36.3°F
(2.4°C)
37.2°F
(2.9°C)
-0.9°F
(-0.5°C)
38th Coolest
Coolest since:
1917
91st Warmest
Warmest since:
1934, 1992
Ties: 1895
Feb–Apr 1935
3-Month
33.5°F
(0.8°C)
33.4°F
(0.8°C)
0.1°F
(0.0°C)
60th Coolest
Coolest since:
1903
69th Warmest
Warmest since:
1934
Ties: 2010
Jan–Apr 1935
4-Month
31.4°F
(-0.3°C)
30.3°F
(-0.9°C)
1.1°F
(0.6°C)
81st Coolest
Coolest since:
1917
48th Warmest
Warmest since:
1934
Ties: 1959
Dec 1934–Apr 1935
5-Month
30.1°F
(-1.1°C)
28.9°F
(-1.7°C)
1.2°F
(0.6°C)
88th Coolest
Coolest since:
1917
40th Warmest
Warmest since:
1934
Ties: 1951, 1977, 1998
Nov 1934–Apr 1935
6-Month
30.8°F
(-0.7°C)
29.3°F
(-1.5°C)
1.5°F
(0.8°C)
93rd Coolest
Coolest since:
1917
35th Warmest
Warmest since:
1934
Ties: 1951
Oct 1934–Apr 1935
7-Month
33.3°F
(0.7°C)
31.7°F
(-0.2°C)
1.6°F
(0.9°C)
96th Coolest
Coolest since:
1917
32nd Warmest
Warmest since:
1934
Sep 1934–Apr 1935
8-Month
36.0°F
(2.2°C)
34.7°F
(1.5°C)
1.3°F
(0.7°C)
92nd Coolest
Coolest since:
1917
36th Warmest
Warmest since:
1934
Ties: 1989, 2020
Aug 1934–Apr 1935
9-Month
39.5°F
(4.2°C)
38.1°F
(3.4°C)
1.4°F
(0.8°C)
95th Coolest
Coolest since:
1917
33rd Warmest
Warmest since:
1934
Jul 1934–Apr 1935
10-Month
42.5°F
(5.8°C)
41.0°F
(5.0°C)
1.5°F
(0.8°C)
96th Coolest
Coolest since:
1917
32nd Warmest
Warmest since:
1934
Ties: 1907, 2001, 2007
Jun 1934–Apr 1935
11-Month
44.1°F
(6.7°C)
42.7°F
(5.9°C)
1.4°F
(0.8°C)
92nd Coolest
Coolest since:
1917
36th Warmest
Warmest since:
1934
Ties: 2020
May 1934–Apr 1935
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: 1940, 1954, 1986, 2005
Nov 1933–Apr 1935
18-Month
41.9°F
(5.5°C)
38.8°F
(3.8°C)
3.1°F
(1.7°C)
125th Coolest
Coolest since:
1913
2nd Warmest
Warmest to Date
2018
Ties: 2016
May 1933–Apr 1935
24-Month
46.1°F
(7.8°C)
43.4°F
(6.3°C)
2.7°F
(1.5°C)
121st Coolest
Coolest since:
1913
6th Warmest
Warmest to Date
2018
Ties: 2017
May 1932–Apr 1935
36-Month
44.4°F
(6.9°C)
43.4°F
(6.3°C)
1.0°F
(0.6°C)
91st Coolest
Coolest since:
1914
35th Warmest
Warmest to Date
2017, 2018, 2019
Ties: 1995
May 1931–Apr 1935
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 to Date
2018
Ties: 1940, 1957, 1960, 1978
May 1930–Apr 1935
60-Month
43.6°F
(6.4°C)
43.4°F
(6.3°C)
0.2°F
(0.1°C)
57th Coolest
Coolest since:
1917
67th Warmest
Warmest to Date
2018, 2019
Ties: 1945, 1954, 1965, 1967, 1980, 1987

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