Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. 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, September 2022

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 2022
1-Month
73.6°F
(23.1°C)
68.5°F
(20.3°C)
5.1°F
(2.8°C)
127th Coolest
Coolest since:
1986
2nd Warmest
Warmest since:
2020
Aug–Sep 2022
2-Month
76.0°F
(24.4°C)
71.1°F
(21.7°C)
4.9°F
(2.7°C)
127th Coolest
Coolest since:
1900
2nd Warmest
Warmest since:
2020
Jul–Sep 2022
3-Month
76.5°F
(24.7°C)
72.3°F
(22.4°C)
4.2°F
(2.3°C)
128th Coolest
Coolest since:
1900
1st Warmest
Warmest to Date
2022
Jun–Sep 2022
4-Month
75.4°F
(24.1°C)
71.3°F
(21.8°C)
4.1°F
(2.3°C)
127th Coolest
Coolest since:
1907
2nd Warmest
Warmest since:
2021
May–Sep 2022
5-Month
72.8°F
(22.7°C)
69.2°F
(20.7°C)
3.6°F
(2.0°C)
126th Coolest
Coolest since:
1907
3rd Warmest
Warmest since:
2021
Apr–Sep 2022
6-Month
70.0°F
(21.1°C)
66.7°F
(19.3°C)
3.3°F
(1.8°C)
126th Coolest
Coolest since:
1912
3rd Warmest
Warmest since:
2021
Ties: 2014
Mar–Sep 2022
7-Month
67.6°F
(19.8°C)
64.1°F
(17.8°C)
3.5°F
(2.0°C)
127th Coolest
Coolest since:
1912
2nd Warmest
Warmest since:
2021
Ties: 2014
Feb–Sep 2022
8-Month
65.1°F
(18.4°C)
61.8°F
(16.6°C)
3.3°F
(1.8°C)
125th Coolest
Coolest since:
1911
4th Warmest
Warmest since:
2015
Ties: 2016
Jan–Sep 2022
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: 2021
Dec 2021–Sep 2022
10-Month
61.1°F
(16.2°C)
57.9°F
(14.4°C)
3.2°F
(1.8°C)
124th Coolest
Coolest since:
1917, 1933
4th Warmest
Warmest since:
2015
Ties: 2018
Nov 2021–Sep 2022
11-Month
60.5°F
(15.8°C)
57.2°F
(14.0°C)
3.3°F
(1.8°C)
125th Coolest
Coolest since:
1917
3rd Warmest
Warmest since:
2015
Oct 2021–Sep 2022
12-Month
60.3°F
(15.7°C)
57.4°F
(14.1°C)
2.9°F
(1.6°C)
123rd Coolest
Coolest since:
1917
5th Warmest
Warmest since:
2015
Ties: 1996
Apr 2021–Sep 2022
18-Month
63.9°F
(17.7°C)
60.5°F
(15.8°C)
3.4°F
(1.9°C)
125th Coolest
Coolest since:
1917
3rd Warmest
Warmest since:
2015
Oct 2020–Sep 2022
24-Month
60.6°F
(15.9°C)
57.4°F
(14.1°C)
3.2°F
(1.8°C)
124th Coolest
Coolest since:
1913, 1949
3rd Warmest
Warmest since:
2015
Oct 2019–Sep 2022
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
Oct 2018–Sep 2022
48-Month
59.9°F
(15.5°C)
57.4°F
(14.1°C)
2.5°F
(1.4°C)
119th Coolest
Coolest since:
1913
6th Warmest
Warmest since:
2017, 2018
Oct 2017–Sep 2022
60-Month
60.0°F
(15.6°C)
57.4°F
(14.1°C)
2.6°F
(1.5°C)
119th Coolest
Coolest since:
1913
5th Warmest
Warmest since:
2018

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