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, May 2014

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 2014
1-Month
64.6°F
(18.1°C)
60.7°F
(15.9°C)
3.9°F
(2.2°C)
120th Coolest
Coolest since:
1977
9th Warmest
Warmest since:
2001
Ties: 1940, 2006, 2020
Apr–May 2014
2-Month
61.2°F
(16.2°C)
57.4°F
(14.1°C)
3.8°F
(2.1°C)
122nd Coolest
Coolest since:
1967
7th Warmest
Warmest since:
1992
Mar–May 2014
3-Month
58.6°F
(14.8°C)
54.5°F
(12.5°C)
4.1°F
(2.3°C)
124th Coolest
Coolest since:
1917
5th Warmest
Warmest since:
1934
Ties: 2013
Feb–May 2014
4-Month
56.4°F
(13.6°C)
52.2°F
(11.2°C)
4.2°F
(2.4°C)
125th Coolest
Coolest since:
1917
4th Warmest
Warmest since:
1934
Jan–May 2014
5-Month
55.1°F
(12.8°C)
50.2°F
(10.1°C)
4.9°F
(2.7°C)
127th Coolest
Coolest since:
1917
2nd Warmest
Warmest since:
2015
Ties: 1934
Dec 2013–May 2014
6-Month
53.3°F
(11.8°C)
49.1°F
(9.5°C)
4.2°F
(2.3°C)
126th Coolest
Coolest since:
1917
2nd Warmest
Warmest to Date
2015
Nov 2013–May 2014
7-Month
53.1°F
(11.7°C)
49.1°F
(9.5°C)
4.0°F
(2.2°C)
126th Coolest
Coolest since:
1917
2nd Warmest
Warmest to Date
2015
Oct 2013–May 2014
8-Month
53.8°F
(12.1°C)
50.4°F
(10.2°C)
3.4°F
(1.9°C)
125th Coolest
Coolest since:
1917
3rd Warmest
Warmest since:
2015
Sep 2013–May 2014
9-Month
55.5°F
(13.1°C)
52.4°F
(11.3°C)
3.1°F
(1.8°C)
122nd Coolest
Coolest since:
1917
6th Warmest
Warmest since:
2015
Aug 2013–May 2014
10-Month
57.4°F
(14.1°C)
54.6°F
(12.6°C)
2.8°F
(1.5°C)
121st Coolest
Coolest since:
1917
7th Warmest
Warmest since:
2015
Jul 2013–May 2014
11-Month
59.3°F
(15.2°C)
56.4°F
(13.6°C)
2.9°F
(1.6°C)
123rd Coolest
Coolest since:
1917
5th Warmest
Warmest since:
2015
Jun 2013–May 2014
12-Month
60.4°F
(15.8°C)
57.4°F
(14.1°C)
3.0°F
(1.7°C)
123rd Coolest
Coolest since:
1917
5th Warmest
Warmest to Date
2015
Dec 2012–May 2014
18-Month
57.3°F
(14.1°C)
54.6°F
(12.6°C)
2.7°F
(1.5°C)
122nd Coolest
Coolest since:
1917
5th Warmest
Warmest to Date
2015
Ties: 2018
Jun 2012–May 2014
24-Month
60.0°F
(15.6°C)
57.4°F
(14.1°C)
2.6°F
(1.5°C)
122nd Coolest
Coolest since:
1913, 1917
5th Warmest
Warmest to Date
2015
Jun 2011–May 2014
36-Month
59.5°F
(15.3°C)
57.4°F
(14.1°C)
2.1°F
(1.2°C)
117th Coolest
Coolest since:
1913, 1917
9th Warmest
Warmest to Date
2016
Jun 2010–May 2014
48-Month
59.1°F
(15.1°C)
57.4°F
(14.1°C)
1.7°F
(1.0°C)
116th Coolest
Coolest since:
1913
9th Warmest
Warmest to Date
2016, 2017, 2018
Jun 2009–May 2014
60-Month
58.8°F
(14.9°C)
57.3°F
(14.1°C)
1.5°F
(0.8°C)
111th Coolest
Coolest since:
1913, 1917
13th Warmest
Warmest since:
2018
Ties: 2008

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