Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. 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

Average Temperature Rankings, September 2021

View Period (Months):
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  • Record Coolest
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  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 2021
1-Month
72.2°F
(22.3°C)
68.5°F
(20.3°C)
3.7°F
(2.0°C)
123rd Coolest
Coolest since:
1986
6th Warmest
Warmest since:
2020
Ties: 1979, 1984, 1991, 2011, 2014
Aug–Sep 2021
2-Month
74.6°F
(23.7°C)
71.1°F
(21.7°C)
3.5°F
(2.0°C)
125th Coolest
Coolest since:
1900
4th Warmest
Warmest since:
2020
Jul–Sep 2021
3-Month
76.3°F
(24.6°C)
72.3°F
(22.4°C)
4.0°F
(2.2°C)
126th Coolest
Coolest since:
1900
3rd Warmest
Warmest since:
2020, 2022
Jun–Sep 2021
4-Month
76.0°F
(24.4°C)
71.3°F
(21.8°C)
4.7°F
(2.6°C)
128th Coolest
Coolest since:
1907
1st Warmest
Warmest to Date
2021
May–Sep 2021
5-Month
73.7°F
(23.2°C)
69.2°F
(20.7°C)
4.5°F
(2.5°C)
128th Coolest
Coolest since:
1907
1st Warmest
Warmest to Date
2021
Apr–Sep 2021
6-Month
71.1°F
(21.7°C)
66.7°F
(19.3°C)
4.4°F
(2.4°C)
128th Coolest
Coolest since:
1912
1st Warmest
Warmest to Date
2021
Mar–Sep 2021
7-Month
67.8°F
(19.9°C)
64.1°F
(17.8°C)
3.7°F
(2.1°C)
128th Coolest
Coolest since:
1912
1st Warmest
Warmest to Date
2021
Feb–Sep 2021
8-Month
65.3°F
(18.5°C)
61.8°F
(16.6°C)
3.5°F
(1.9°C)
126th Coolest
Coolest since:
1911
3rd Warmest
Warmest since:
2015
Jan–Sep 2021
9-Month
63.1°F
(17.3°C)
59.6°F
(15.3°C)
3.5°F
(2.0°C)
126th Coolest
Coolest since:
1903, 1911, 1917
3rd Warmest
Warmest since:
2015
Ties: 2022
Dec 2020–Sep 2021
10-Month
61.3°F
(16.3°C)
57.9°F
(14.4°C)
3.4°F
(1.9°C)
125th Coolest
Coolest since:
1917, 1933
3rd Warmest
Warmest since:
2015
Nov 2020–Sep 2021
11-Month
60.4°F
(15.8°C)
57.2°F
(14.0°C)
3.2°F
(1.8°C)
124th Coolest
Coolest since:
1917
4th Warmest
Warmest since:
2015
Ties: 2018
Oct 2020–Sep 2021
12-Month
60.9°F
(16.1°C)
57.4°F
(14.1°C)
3.5°F
(2.0°C)
126th Coolest
Coolest since:
1917
2nd Warmest
Warmest since:
2015
Apr 2020–Sep 2021
18-Month
64.0°F
(17.8°C)
60.5°F
(15.8°C)
3.5°F
(2.0°C)
126th Coolest
Coolest since:
1917
2nd Warmest
Warmest since:
2015
Oct 2019–Sep 2021
24-Month
60.4°F
(15.8°C)
57.3°F
(14.1°C)
3.1°F
(1.7°C)
123rd Coolest
Coolest since:
1913, 1917, 1949
4th Warmest
Warmest since:
2015
Oct 2018–Sep 2021
36-Month
59.8°F
(15.4°C)
57.4°F
(14.1°C)
2.4°F
(1.3°C)
120th Coolest
Coolest since:
1913
6th Warmest
Warmest since:
2016
Ties: 2014
Oct 2017–Sep 2021
48-Month
60.0°F
(15.6°C)
57.4°F
(14.1°C)
2.6°F
(1.5°C)
120th Coolest
Coolest since:
1913
5th Warmest
Warmest since:
2017, 2018
Oct 2016–Sep 2021
60-Month
60.0°F
(15.6°C)
57.4°F
(14.1°C)
2.6°F
(1.5°C)
118th Coolest
Coolest since:
1913
6th Warmest
Warmest since:
2018

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