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, October 2018

View Period (Months):
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  • Record Coolest
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  • Bottom 1/3
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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
October 2018
1-Month
60.9°F
(16.1°C)
59.5°F
(15.3°C)
1.4°F
(0.8°C)
90th Coolest
Coolest since:
1916
39th Warmest
Warmest since:
2020
Ties: 1901
Sep–Oct 2018
2-Month
66.0°F
(18.9°C)
64.0°F
(17.8°C)
2.0°F
(1.1°C)
107th Coolest
Coolest since:
1916, 1920
22nd Warmest
Warmest since:
2020
Aug–Oct 2018
3-Month
69.5°F
(20.8°C)
67.3°F
(19.6°C)
2.2°F
(1.2°C)
114th Coolest
Coolest since:
1900
15th Warmest
Warmest since:
2020
Ties: 1952, 1988, 1995
Jul–Oct 2018
4-Month
72.0°F
(22.2°C)
69.1°F
(20.6°C)
2.9°F
(1.6°C)
122nd Coolest
Coolest since:
1912
7th Warmest
Warmest since:
2020
Ties: 2012
Jun–Oct 2018
5-Month
71.9°F
(22.2°C)
69.0°F
(20.6°C)
2.9°F
(1.6°C)
121st Coolest
Coolest since:
1912
8th Warmest
Warmest since:
2020
May–Oct 2018
6-Month
70.4°F
(21.3°C)
67.6°F
(19.8°C)
2.8°F
(1.5°C)
120th Coolest
Coolest since:
1916
9th Warmest
Warmest since:
2020
Apr–Oct 2018
7-Month
68.5°F
(20.3°C)
65.6°F
(18.7°C)
2.9°F
(1.6°C)
122nd Coolest
Coolest since:
1912
7th Warmest
Warmest since:
2020
Mar–Oct 2018
8-Month
66.1°F
(18.9°C)
63.6°F
(17.6°C)
2.5°F
(1.3°C)
121st Coolest
Coolest since:
1912
8th Warmest
Warmest since:
2014, 2015
Ties: 1992, 2016
Feb–Oct 2018
9-Month
63.9°F
(17.7°C)
61.5°F
(16.4°C)
2.4°F
(1.3°C)
119th Coolest
Coolest since:
1912
10th Warmest
Warmest since:
2015
Jan–Oct 2018
10-Month
62.4°F
(16.9°C)
59.6°F
(15.3°C)
2.8°F
(1.6°C)
122nd Coolest
Coolest since:
1911, 1912
7th Warmest
Warmest since:
2015
Dec 2017–Oct 2018
11-Month
61.0°F
(16.1°C)
58.1°F
(14.5°C)
2.9°F
(1.6°C)
123rd Coolest
Coolest since:
1912
5th Warmest
Warmest since:
2015
Ties: 2021
Nov 2017–Oct 2018
12-Month
60.4°F
(15.8°C)
57.4°F
(14.1°C)
3.0°F
(1.7°C)
123rd Coolest
Coolest since:
1912
5th Warmest
Warmest since:
2015
May 2017–Oct 2018
18-Month
63.9°F
(17.7°C)
60.8°F
(16.0°C)
3.1°F
(1.7°C)
124th Coolest
Coolest since:
1912
4th Warmest
Warmest since:
2015
Ties: 2014
Nov 2016–Oct 2018
24-Month
60.2°F
(15.7°C)
57.4°F
(14.1°C)
2.8°F
(1.6°C)
122nd Coolest
Coolest since:
1912, 1949
5th Warmest
Warmest since:
2015
Ties: 2014
Nov 2015–Oct 2018
36-Month
60.0°F
(15.6°C)
57.4°F
(14.1°C)
2.6°F
(1.5°C)
121st Coolest
Coolest since:
1913
5th Warmest
Warmest since:
2016
Nov 2014–Oct 2018
48-Month
60.4°F
(15.8°C)
57.4°F
(14.1°C)
3.0°F
(1.7°C)
123rd Coolest
Coolest since:
1912, 1913
2nd Warmest
Warmest since:
2017
Ties: 2016
Nov 2013–Oct 2018
60-Month
60.5°F
(15.8°C)
57.3°F
(14.1°C)
3.2°F
(1.7°C)
123rd Coolest
Coolest since:
1913
1st Warmest
Warmest to Date
2018

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