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 2017

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 2017
1-Month
61.9°F
(16.6°C)
59.5°F
(15.3°C)
2.4°F
(1.3°C)
106th Coolest
Coolest since:
1916
23rd Warmest
Warmest since:
2020
Sep–Oct 2017
2-Month
65.9°F
(18.8°C)
64.0°F
(17.8°C)
1.9°F
(1.0°C)
106th Coolest
Coolest since:
1916, 1920
23rd Warmest
Warmest since:
2020
Ties: 1990
Aug–Oct 2017
3-Month
69.9°F
(21.1°C)
67.2°F
(19.6°C)
2.7°F
(1.5°C)
117th Coolest
Coolest since:
1900
12th Warmest
Warmest since:
2020
Ties: 1992
Jul–Oct 2017
4-Month
72.1°F
(22.3°C)
69.1°F
(20.6°C)
3.0°F
(1.7°C)
123rd Coolest
Coolest since:
1912
6th Warmest
Warmest since:
2020
Jun–Oct 2017
5-Month
72.3°F
(22.4°C)
69.0°F
(20.6°C)
3.3°F
(1.8°C)
122nd Coolest
Coolest since:
1912
7th Warmest
Warmest since:
2020, 2022
May–Oct 2017
6-Month
70.8°F
(21.6°C)
67.6°F
(19.8°C)
3.2°F
(1.8°C)
123rd Coolest
Coolest since:
1916
6th Warmest
Warmest since:
2020
Ties: 2001
Apr–Oct 2017
7-Month
68.6°F
(20.3°C)
65.6°F
(18.7°C)
3.0°F
(1.6°C)
124th Coolest
Coolest since:
1912
5th Warmest
Warmest since:
2020
Ties: 2015
Mar–Oct 2017
8-Month
66.7°F
(19.3°C)
63.5°F
(17.5°C)
3.2°F
(1.8°C)
124th Coolest
Coolest since:
1912
5th Warmest
Warmest since:
2014, 2015, 2022
Feb–Oct 2017
9-Month
64.6°F
(18.1°C)
61.6°F
(16.4°C)
3.0°F
(1.7°C)
124th Coolest
Coolest since:
1912
5th Warmest
Warmest since:
2015
Jan–Oct 2017
10-Month
62.3°F
(16.8°C)
59.6°F
(15.3°C)
2.7°F
(1.5°C)
121st Coolest
Coolest since:
1911, 1912
8th Warmest
Warmest since:
2015
Dec 2016–Oct 2017
11-Month
60.6°F
(15.9°C)
58.1°F
(14.5°C)
2.5°F
(1.4°C)
120th Coolest
Coolest since:
1912
8th Warmest
Warmest since:
2015
Ties: 2003
Nov 2016–Oct 2017
12-Month
59.9°F
(15.5°C)
57.3°F
(14.1°C)
2.6°F
(1.4°C)
120th Coolest
Coolest since:
1912
8th Warmest
Warmest since:
2015
Ties: 2003
May 2016–Oct 2017
18-Month
63.2°F
(17.3°C)
60.8°F
(16.0°C)
2.4°F
(1.3°C)
121st Coolest
Coolest since:
1912
7th Warmest
Warmest since:
2015
Nov 2015–Oct 2017
24-Month
59.8°F
(15.4°C)
57.4°F
(14.1°C)
2.4°F
(1.3°C)
120th Coolest
Coolest since:
1912, 1949
7th Warmest
Warmest since:
2015
Nov 2014–Oct 2017
36-Month
60.4°F
(15.8°C)
57.4°F
(14.1°C)
3.0°F
(1.7°C)
122nd Coolest
Coolest since:
1913
4th Warmest
Warmest since:
2016
Nov 2013–Oct 2017
48-Month
60.6°F
(15.9°C)
57.4°F
(14.1°C)
3.2°F
(1.8°C)
124th Coolest
Coolest since:
1912, 1913
1st Warmest
Warmest to Date
2017
Nov 2012–Oct 2017
60-Month
60.3°F
(15.7°C)
57.3°F
(14.1°C)
3.0°F
(1.6°C)
122nd Coolest
Coolest since:
1913
2nd Warmest
Warmest to Date
2018

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