National Rankings

National Data Info
Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Contiguous U.S.

Average Temperature Rankings, September 1977

View Period (Months):
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  • Record Coolest
  • Bottom 1/10
  • 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 1977
1-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Aug–Sep 1977
2-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Jul–Sep 1977
3-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Jun–Sep 1977
4-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
May–Sep 1977
5-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Apr–Sep 1977
6-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Mar–Sep 1977
7-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Feb–Sep 1977
8-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Jan–Sep 1977
9-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Dec 1976–Sep 1977
10-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Nov 1976–Sep 1977
11-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Oct 1976–Sep 1977
12-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Apr 1976–Sep 1977
18-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Oct 1975–Sep 1977
24-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Oct 1974–Sep 1977
36-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Oct 1973–Sep 1977
48-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Oct 1972–Sep 1977
60-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--

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