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 1990

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  • Record Coolest
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
October 1990
1-Month
62.0°F
(16.7°C)
59.5°F
(15.3°C)
2.5°F
(1.4°C)
107th Coolest
Coolest since:
1916
22nd Warmest
Warmest since:
2020
Sep–Oct 1990
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: 2017
Aug–Oct 1990
3-Month
68.5°F
(20.3°C)
67.2°F
(19.6°C)
1.3°F
(0.7°C)
101st Coolest
Coolest since:
1900
28th Warmest
Warmest since:
2020
Ties: 1917
Jul–Oct 1990
4-Month
70.5°F
(21.4°C)
69.1°F
(20.6°C)
1.4°F
(0.8°C)
103rd Coolest
Coolest since:
1912
26th Warmest
Warmest since:
2020
Ties: 2002
Jun–Oct 1990
5-Month
70.3°F
(21.3°C)
69.0°F
(20.6°C)
1.3°F
(0.7°C)
105th Coolest
Coolest since:
1912
24th Warmest
Warmest since:
2020, 2022
Ties: 1981, 1991, 1994
May–Oct 1990
6-Month
68.6°F
(20.3°C)
67.6°F
(19.8°C)
1.0°F
(0.5°C)
93rd Coolest
Coolest since:
1916
36th Warmest
Warmest since:
2020
Ties: 1952, 1959, 1979
Apr–Oct 1990
7-Month
67.1°F
(19.5°C)
65.6°F
(18.7°C)
1.5°F
(0.8°C)
103rd Coolest
Coolest since:
1912
26th Warmest
Warmest since:
2020
Ties: 1981, 1988, 2000, 2004, 2007
Mar–Oct 1990
8-Month
65.2°F
(18.4°C)
63.6°F
(17.6°C)
1.6°F
(0.8°C)
107th Coolest
Coolest since:
1912
22nd Warmest
Warmest since:
2014, 2015, 2022
Ties: 1926, 1936, 1987, 1988, 1994
Feb–Oct 1990
9-Month
62.7°F
(17.1°C)
61.5°F
(16.4°C)
1.2°F
(0.7°C)
95th Coolest
Coolest since:
1912
34th Warmest
Warmest since:
2015
Ties: 2006
Jan–Oct 1990
10-Month
60.7°F
(15.9°C)
59.6°F
(15.3°C)
1.1°F
(0.6°C)
93rd Coolest
Coolest since:
1911, 1912
36th Warmest
Warmest since:
2015
Dec 1989–Oct 1990
11-Month
59.3°F
(15.2°C)
58.1°F
(14.5°C)
1.2°F
(0.7°C)
95th Coolest
Coolest since:
1912
33rd Warmest
Warmest since:
2015
Ties: 1958, 1978, 2002, 2008
Nov 1989–Oct 1990
12-Month
58.6°F
(14.8°C)
57.3°F
(14.1°C)
1.3°F
(0.7°C)
97th Coolest
Coolest since:
1912
31st Warmest
Warmest since:
2015
Ties: 1926, 1988, 1994
May 1989–Oct 1990
18-Month
61.6°F
(16.4°C)
60.8°F
(16.0°C)
0.8°F
(0.4°C)
95th Coolest
Coolest since:
1912
33rd Warmest
Warmest since:
2015
Ties: 1968, 1978, 1993, 1994, 2005, 2010
Nov 1988–Oct 1990
24-Month
58.2°F
(14.6°C)
57.4°F
(14.1°C)
0.8°F
(0.5°C)
93rd Coolest
Coolest since:
1912, 1949
34th Warmest
Warmest since:
2015
Ties: 1961, 1978, 1982, 1989, 1998
Nov 1987–Oct 1990
36-Month
58.3°F
(14.6°C)
57.3°F
(14.1°C)
1.0°F
(0.5°C)
95th Coolest
Coolest since:
1913
31st Warmest
Warmest since:
2016
Nov 1986–Oct 1990
48-Month
58.4°F
(14.7°C)
57.3°F
(14.1°C)
1.1°F
(0.6°C)
103rd Coolest
Coolest since:
1912, 1913
22nd Warmest
Warmest since:
2017
Ties: 1989, 1992, 1996, 1999, 2012, 2013
Nov 1985–Oct 1990
60-Month
58.4°F
(14.7°C)
57.3°F
(14.1°C)
1.1°F
(0.6°C)
99th Coolest
Coolest since:
1913
25th Warmest
Warmest to Date
2018
Ties: 1994, 2001, 2011

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