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, October 1973

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
October 1973
1-Month		58.9°F
(14.9°C)		59.5°F
(15.3°C)		-0.6°F
(-0.4°C)		46th Coolest
Coolest since:
1916
83rd Warmest
Warmest since:
2020
Ties: 1931, 1953, 1985, 1989
Sep–Oct 1973
2-Month		63.2°F
(17.3°C)		64.0°F
(17.8°C)		-0.8°F
(-0.5°C)		32nd Coolest
Coolest since:
1916, 1920
97th Warmest
Warmest since:
2020
Ties: 1896, 1899, 1905
Aug–Oct 1973
3-Month		66.6°F
(19.2°C)		67.3°F
(19.6°C)		-0.7°F
(-0.4°C)		36th Coolest
Coolest since:
1900
93rd Warmest
Warmest since:
2020
Ties: 1905
Jul–Oct 1973
4-Month		68.7°F
(20.4°C)		69.1°F
(20.6°C)		-0.4°F
(-0.2°C)		38th Coolest
Coolest since:
1912
91st Warmest
Warmest since:
2020
Ties: 1905, 1915, 1928, 1965, 1968
Jun–Oct 1973
5-Month		69.2°F
(20.7°C)		68.9°F
(20.5°C)		0.3°F
(0.2°C)		67th Coolest
Coolest since:
1912
62nd Warmest
Warmest since:
2020
Ties: 1896, 1929, 1932, 1934, 1942
May–Oct 1973
6-Month		68.4°F
(20.2°C)		67.6°F
(19.8°C)		0.8°F
(0.4°C)		89th Coolest
Coolest since:
1916
40th Warmest
Warmest since:
2020
Ties: 1934, 1966
Apr–Oct 1973
7-Month		66.3°F
(19.1°C)		65.6°F
(18.7°C)		0.7°F
(0.4°C)		83rd Coolest
Coolest since:
1912
46th Warmest
Warmest since:
2020
Ties: 1961
Mar–Oct 1973
8-Month		63.6°F
(17.6°C)		63.5°F
(17.5°C)		0.1°F
(0.1°C)		67th Coolest
Coolest since:
1912
62nd Warmest
Warmest since:
2014, 2015
Ties: 1970, 1995
Feb–Oct 1973
9-Month		61.6°F
(16.4°C)		61.5°F
(16.4°C)		0.1°F
(0.0°C)		66th Coolest
Coolest since:
1912
63rd Warmest
Warmest since:
2015
Ties: 1951, 1957
Jan–Oct 1973
10-Month		59.5°F
(15.3°C)		59.6°F
(15.3°C)		-0.1°F
(0.0°C)		54th Coolest
Coolest since:
1911, 1912
75th Warmest
Warmest since:
2015
Ties: 1904, 1906, 1938
Dec 1972–Oct 1973
11-Month		57.6°F
(14.2°C)		58.1°F
(14.5°C)		-0.5°F
(-0.3°C)		33rd Coolest
Coolest since:
1912
95th Warmest
Warmest since:
2015
Ties: 1921, 1942, 1946, 1952, 1953, 1962, 1969, 1982
Nov 1972–Oct 1973
12-Month		56.7°F
(13.7°C)		57.4°F
(14.1°C)		-0.7°F
(-0.4°C)		23rd Coolest
Coolest since:
1912
105th Warmest
Warmest since:
2015
Ties: 1897, 1898, 1902, 1915, 1953, 1962, 1964, 1965, 1971
May 1972–Oct 1973
18-Month		60.4°F
(15.8°C)		60.8°F
(16.0°C)		-0.4°F
(-0.2°C)		37th Coolest
Coolest since:
1912
91st Warmest
Warmest since:
2015
Ties: 1925, 1956, 1975
Nov 1971–Oct 1973
24-Month		57.0°F
(13.9°C)		57.4°F
(14.1°C)		-0.4°F
(-0.2°C)		33rd Coolest
Coolest since:
1912, 1949
94th Warmest
Warmest since:
2015
Ties: 1902, 1930, 1946, 1955, 1972, 1975
Nov 1970–Oct 1973
36-Month		56.9°F
(13.8°C)		57.4°F
(14.1°C)		-0.5°F
(-0.3°C)		27th Coolest
Coolest since:
1913
99th Warmest
Warmest since:
2016
Ties: 1898, 1901, 1905, 1907, 1915, 1955, 1975
Nov 1969–Oct 1973
48-Month		57.2°F
(14.0°C)		57.4°F
(14.1°C)		-0.2°F
(-0.1°C)		45th Coolest
Coolest since:
1912, 1913
80th Warmest
Warmest since:
2017
Ties: 1958, 1964, 1967, 1977
Nov 1968–Oct 1973
60-Month		57.2°F
(14.0°C)		57.4°F
(14.1°C)		-0.2°F
(-0.1°C)		45th Coolest
Coolest since:
1913
79th Warmest
Warmest since:
2018
Ties: 1927, 1947, 1967

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