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.

California River Basin

Average Temperature Rankings, July 2018

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
July 2018
1-Month
79.6°F
(26.4°C)
74.7°F
(23.7°C)
4.9°F
(2.7°C)
127th Coolest
Coolest since:
1987
2nd Warmest
Warmest to Date
2021
Jun–Jul 2018
2-Month
75.5°F
(24.2°C)
71.5°F
(21.9°C)
4.0°F
(2.3°C)
125th Coolest
Coolest since:
1944
4th Warmest
Warmest since:
2021
May–Jul 2018
3-Month
71.3°F
(21.8°C)
67.9°F
(19.9°C)
3.4°F
(1.9°C)
122nd Coolest
Coolest since:
1953, 1998
7th Warmest
Warmest since:
2021
Apr–Jul 2018
4-Month
67.8°F
(19.9°C)
64.5°F
(18.1°C)
3.3°F
(1.8°C)
125th Coolest
Coolest since:
1944
4th Warmest
Warmest since:
2021
Mar–Jul 2018
5-Month
64.0°F
(17.8°C)
61.3°F
(16.3°C)
2.7°F
(1.5°C)
116th Coolest
Coolest since:
1912
13th Warmest
Warmest since:
2013, 2014
Feb–Jul 2018
6-Month
61.1°F
(16.2°C)
58.6°F
(14.8°C)
2.5°F
(1.4°C)
114th Coolest
Coolest since:
1948
15th Warmest
Warmest since:
2015
Ties: 1997
Jan–Jul 2018
7-Month
59.4°F
(15.2°C)
56.3°F
(13.5°C)
3.1°F
(1.7°C)
123rd Coolest
Coolest since:
1955
6th Warmest
Warmest since:
2014
Dec 2017–Jul 2018
8-Month
57.9°F
(14.4°C)
54.7°F
(12.6°C)
3.2°F
(1.8°C)
124th Coolest
Coolest since:
1917
4th Warmest
Warmest since:
2015
Nov 2017–Jul 2018
9-Month
57.4°F
(14.1°C)
54.1°F
(12.3°C)
3.3°F
(1.8°C)
125th Coolest
Coolest since:
1917
3rd Warmest
Warmest since:
2015
Oct 2017–Jul 2018
10-Month
57.8°F
(14.3°C)
54.6°F
(12.6°C)
3.2°F
(1.7°C)
124th Coolest
Coolest since:
1917
4th Warmest
Warmest since:
2015
Ties: 1996
Sep 2017–Jul 2018
11-Month
58.9°F
(14.9°C)
55.9°F
(13.3°C)
3.0°F
(1.6°C)
123rd Coolest
Coolest since:
1917
5th Warmest
Warmest since:
2015
Aug 2017–Jul 2018
12-Month
60.5°F
(15.8°C)
57.4°F
(14.1°C)
3.1°F
(1.7°C)
125th Coolest
Coolest since:
1917
3rd Warmest
Warmest since:
2015
Feb 2017–Jul 2018
18-Month
61.0°F
(16.1°C)
57.8°F
(14.3°C)
3.2°F
(1.8°C)
124th Coolest
Coolest since:
1913, 1949
4th Warmest
Warmest since:
2015
Aug 2016–Jul 2018
24-Month
60.1°F
(15.6°C)
57.4°F
(14.1°C)
2.7°F
(1.5°C)
121st Coolest
Coolest since:
1913
6th Warmest
Warmest since:
2015
Aug 2015–Jul 2018
36-Month
60.1°F
(15.6°C)
57.3°F
(14.1°C)
2.8°F
(1.5°C)
121st Coolest
Coolest since:
1913
5th Warmest
Warmest since:
2015, 2016
Aug 2014–Jul 2018
48-Month
60.4°F
(15.8°C)
57.3°F
(14.1°C)
3.1°F
(1.7°C)
123rd Coolest
Coolest since:
1913
2nd Warmest
Warmest since:
2016
Ties: 2017
Aug 2013–Jul 2018
60-Month
60.4°F
(15.8°C)
57.3°F
(14.1°C)
3.1°F
(1.7°C)
123rd Coolest
Coolest since:
1913
1st Warmest
Warmest since:
2017, 2018
Ties: 2017

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