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 2016

View Period (Months):
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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 2016
1-Month
43.7°F
(6.5°C)
41.7°F
(5.4°C)
2.0°F
(1.1°C)
95th Coolest
Coolest since:
1920
34th Warmest
Warmest since:
1992
Mar–Apr 2016
2-Month
40.4°F
(4.7°C)
37.2°F
(2.9°C)
3.2°F
(1.8°C)
110th Coolest
Coolest since:
1917
19th Warmest
Warmest since:
1934, 1992
Ties: 1907, 1978
Feb–Apr 2016
3-Month
37.0°F
(2.8°C)
33.4°F
(0.8°C)
3.6°F
(2.0°C)
118th Coolest
Coolest since:
1903
11th Warmest
Warmest since:
1934
Ties: 1972
Jan–Apr 2016
4-Month
33.3°F
(0.7°C)
30.3°F
(-0.9°C)
3.0°F
(1.6°C)
110th Coolest
Coolest since:
1917
19th Warmest
Warmest since:
1934
Ties: 1943
Dec 2015–Apr 2016
5-Month
31.1°F
(-0.5°C)
28.8°F
(-1.8°C)
2.3°F
(1.3°C)
102nd Coolest
Coolest since:
1917
26th Warmest
Warmest since:
1934
Ties: 1959, 2022
Nov 2015–Apr 2016
6-Month
31.3°F
(-0.4°C)
29.4°F
(-1.4°C)
1.9°F
(1.0°C)
99th Coolest
Coolest since:
1917
29th Warmest
Warmest since:
1934
Ties: 2004, 2020, 2021
Oct 2015–Apr 2016
7-Month
34.1°F
(1.2°C)
31.6°F
(-0.2°C)
2.5°F
(1.4°C)
108th Coolest
Coolest since:
1917
20th Warmest
Warmest since:
1934
Ties: 1990
Sep 2015–Apr 2016
8-Month
37.5°F
(3.1°C)
34.8°F
(1.6°C)
2.7°F
(1.5°C)
116th Coolest
Coolest since:
1917
12th Warmest
Warmest since:
1934
Aug 2015–Apr 2016
9-Month
40.7°F
(4.8°C)
38.1°F
(3.4°C)
2.6°F
(1.4°C)
117th Coolest
Coolest since:
1917
11th Warmest
Warmest since:
1934
Ties: 1978
Jul 2015–Apr 2016
10-Month
43.2°F
(6.2°C)
41.0°F
(5.0°C)
2.2°F
(1.2°C)
112th Coolest
Coolest since:
1917
16th Warmest
Warmest since:
1934
Ties: 2003
Jun 2015–Apr 2016
11-Month
45.2°F
(7.3°C)
42.7°F
(5.9°C)
2.5°F
(1.4°C)
117th Coolest
Coolest since:
1917
11th Warmest
Warmest since:
1934
Ties: 2003, 2021
May 2015–Apr 2016
12-Month
45.6°F
(7.6°C)
43.4°F
(6.3°C)
2.2°F
(1.3°C)
115th Coolest
Coolest since:
1917
13th Warmest
Warmest since:
1934, 2015, 2018
Ties: 1999
Nov 2014–Apr 2016
18-Month
41.9°F
(5.5°C)
38.7°F
(3.7°C)
3.2°F
(1.8°C)
125th Coolest
Coolest since:
1913
2nd Warmest
Warmest since:
2018
Ties: 1935
May 2014–Apr 2016
24-Month
46.3°F
(7.9°C)
43.4°F
(6.3°C)
2.9°F
(1.6°C)
125th Coolest
Coolest since:
1913
2nd Warmest
Warmest to Date
2018
Ties: 2022
May 2013–Apr 2016
36-Month
46.0°F
(7.8°C)
43.4°F
(6.3°C)
2.6°F
(1.5°C)
122nd Coolest
Coolest since:
1914
4th Warmest
Warmest since:
2017, 2018, 2019
Ties: 2015
May 2012–Apr 2016
48-Month
45.9°F
(7.7°C)
43.4°F
(6.3°C)
2.5°F
(1.4°C)
121st Coolest
Coolest since:
1899, 1915
4th Warmest
Warmest to Date
2018
Ties: 2020
May 2011–Apr 2016
60-Month
45.8°F
(7.7°C)
43.4°F
(6.3°C)
2.4°F
(1.4°C)
118th Coolest
Coolest since:
1917
6th Warmest
Warmest to Date
2018, 2019
Ties: 2020

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