Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

California River Basin

Average Temperature Rankings, April 2016

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Warmest/Coolest
Since
Record
April 2016
1-Month
57.9°F
(14.4°C)
54.0°F
(12.2°C)
3.9°F
(2.2°C)
116th Coolest
Coolest since:
1967
13th Warmest
Warmest since:
1989
Mar–Apr 2016
2-Month
55.2°F
(12.9°C)
51.4°F
(10.8°C)
3.8°F
(2.1°C)
119th Coolest
Coolest since:
1967
10th Warmest
Warmest since:
1934
Feb–Apr 2016
3-Month
54.1°F
(12.3°C)
49.4°F
(9.7°C)
4.7°F
(2.6°C)
126th Coolest
Coolest since:
1922
3rd Warmest
Warmest since:
2015
Jan–Apr 2016
4-Month
51.7°F
(10.9°C)
47.6°F
(8.7°C)
4.1°F
(2.2°C)
125th Coolest
Coolest since:
1922
4th Warmest
Warmest since:
2015
Dec 2015–Apr 2016
5-Month
49.8°F
(9.9°C)
46.7°F
(8.2°C)
3.1°F
(1.7°C)
124th Coolest
Coolest since:
1917, 1949
4th Warmest
Warmest since:
2015
Ties: 1986, 1996, 2018
Nov 2015–Apr 2016
6-Month
49.4°F
(9.7°C)
47.2°F
(8.4°C)
2.2°F
(1.3°C)
115th Coolest
Coolest since:
1917
13th Warmest
Warmest since:
2015
Ties: 2020
Oct 2015–Apr 2016
7-Month
51.7°F
(10.9°C)
48.9°F
(9.4°C)
2.8°F
(1.5°C)
120th Coolest
Coolest since:
1917
8th Warmest
Warmest since:
2015
Ties: 1992, 2021
Sep 2015–Apr 2016
8-Month
54.2°F
(12.3°C)
51.4°F
(10.8°C)
2.8°F
(1.5°C)
120th Coolest
Coolest since:
1917
8th Warmest
Warmest since:
2015
Ties: 2000
Aug 2015–Apr 2016
9-Month
56.7°F
(13.7°C)
53.9°F
(12.2°C)
2.8°F
(1.5°C)
122nd Coolest
Coolest since:
1917
6th Warmest
Warmest since:
2015
Ties: 1959
Jul 2015–Apr 2016
10-Month
58.5°F
(14.7°C)
56.0°F
(13.3°C)
2.5°F
(1.4°C)
120th Coolest
Coolest since:
1917
8th Warmest
Warmest since:
2015
Ties: 1959, 2004
Jun 2015–Apr 2016
11-Month
60.0°F
(15.6°C)
57.1°F
(13.9°C)
2.9°F
(1.7°C)
123rd Coolest
Coolest since:
1917
5th Warmest
Warmest since:
2015
Ties: 2014
May 2015–Apr 2016
12-Month
60.0°F
(15.6°C)
57.4°F
(14.1°C)
2.6°F
(1.5°C)
122nd Coolest
Coolest since:
1917
6th Warmest
Warmest since:
2015
Nov 2014–Apr 2016
18-Month
57.5°F
(14.2°C)
54.0°F
(12.2°C)
3.5°F
(2.0°C)
125th Coolest
Coolest since:
1949
2nd Warmest
Warmest since:
2015
May 2014–Apr 2016
24-Month
60.9°F
(16.1°C)
57.4°F
(14.1°C)
3.5°F
(2.0°C)
125th Coolest
Coolest since:
1913
2nd Warmest
Warmest since:
2015
May 2013–Apr 2016
36-Month
60.7°F
(15.9°C)
57.4°F
(14.1°C)
3.3°F
(1.8°C)
125th Coolest
Coolest since:
1913, 1917
1st Warmest
Warmest to Date
2016
May 2012–Apr 2016
48-Month
60.5°F
(15.8°C)
57.4°F
(14.1°C)
3.1°F
(1.7°C)
124th Coolest
Coolest since:
1913
1st Warmest
Warmest to Date
2016, 2018
Ties: 2018
May 2011–Apr 2016
60-Month
60.0°F
(15.6°C)
57.3°F
(14.1°C)
2.7°F
(1.5°C)
120th Coolest
Coolest since:
1913
4th Warmest
Warmest to Date
2018
Ties: 2022

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