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 1983

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
October 1983
1-Month		61.4°F
(16.3°C)		59.5°F
(15.3°C)		1.9°F
(1.0°C)		103rd Coolest
Coolest since:
1916
26th Warmest
Warmest since:
2020
Ties: 1929, 1950, 1980, 1993, 2011
Sep–Oct 1983
2-Month		66.2°F
(19.0°C)		64.0°F
(17.8°C)		2.2°F
(1.2°C)		110th Coolest
Coolest since:
1916, 1920
19th Warmest
Warmest since:
2020
Ties: 1967, 1974
Aug–Oct 1983
3-Month		68.7°F
(20.4°C)		67.3°F
(19.6°C)		1.4°F
(0.8°C)		107th Coolest
Coolest since:
1900
22nd Warmest
Warmest since:
2020
Ties: 1937, 1974, 2016
Jul–Oct 1983
4-Month		69.5°F
(20.8°C)		69.1°F
(20.6°C)		0.4°F
(0.2°C)		64th Coolest
Coolest since:
1912
65th Warmest
Warmest since:
2020
Ties: 1953, 1961, 1966
Jun–Oct 1983
5-Month		69.1°F
(20.6°C)		68.9°F
(20.5°C)		0.2°F
(0.1°C)		56th Coolest
Coolest since:
1912
73rd Warmest
Warmest since:
2020
Ties: 1951, 1964, 1969, 1985, 1998
May–Oct 1983
6-Month		67.8°F
(19.9°C)		67.6°F
(19.8°C)		0.2°F
(0.1°C)		67th Coolest
Coolest since:
1916
62nd Warmest
Warmest since:
2020
Ties: 1904, 1947, 1951, 1985
Apr–Oct 1983
7-Month		65.2°F
(18.4°C)		65.6°F
(18.7°C)		-0.4°F
(-0.3°C)		37th Coolest
Coolest since:
1912
92nd Warmest
Warmest since:
2020
Ties: 1919, 1942, 1964, 1980
Mar–Oct 1983
8-Month		63.2°F
(17.3°C)		63.5°F
(17.5°C)		-0.3°F
(-0.2°C)		44th Coolest
Coolest since:
1912
85th Warmest
Warmest since:
2014, 2015
Ties: 1921, 1924, 1946
Feb–Oct 1983
9-Month		61.3°F
(16.3°C)		61.5°F
(16.4°C)		-0.2°F
(-0.1°C)		48th Coolest
Coolest since:
1912
81st Warmest
Warmest since:
2015
Ties: 1906, 1918, 1930, 1945
Jan–Oct 1983
10-Month		59.6°F
(15.3°C)		59.6°F
(15.3°C)		0.0°F
(0.0°C)		58th Coolest
Coolest since:
1911, 1912
71st Warmest
Warmest since:
2015
Ties: 1896, 1905, 1924, 1950
Dec 1982–Oct 1983
11-Month		58.1°F
(14.5°C)		58.1°F
(14.5°C)		0.0°F
(0.0°C)		59th Coolest
Coolest since:
1912
69th Warmest
Warmest since:
2015
Ties: 1905, 1985, 1999
Nov 1982–Oct 1983
12-Month		57.1°F
(13.9°C)		57.4°F
(14.1°C)		-0.3°F
(-0.2°C)		44th Coolest
Coolest since:
1912
84th Warmest
Warmest since:
2015
Ties: 1896, 1910, 1927, 1942, 1945, 1976, 1982
May 1982–Oct 1983
18-Month		60.3°F
(15.7°C)		60.8°F
(16.0°C)		-0.5°F
(-0.3°C)		29th Coolest
Coolest since:
1912
99th Warmest
Warmest since:
2015
Ties: 1896, 1897, 1898, 1924, 1929, 1945, 1965
Nov 1981–Oct 1983
24-Month		57.1°F
(13.9°C)		57.4°F
(14.1°C)		-0.3°F
(-0.2°C)		40th Coolest
Coolest since:
1912, 1949
87th Warmest
Warmest since:
2015
Ties: 1915, 1942, 1957, 1963, 1964
Nov 1980–Oct 1983
36-Month		57.8°F
(14.3°C)		57.4°F
(14.1°C)		0.4°F
(0.2°C)		79th Coolest
Coolest since:
1913
47th Warmest
Warmest since:
2016
Ties: 1935, 1942, 1979, 1980, 1995
Nov 1979–Oct 1983
48-Month		57.8°F
(14.3°C)		57.4°F
(14.1°C)		0.4°F
(0.2°C)		77th Coolest
Coolest since:
1912, 1913
48th Warmest
Warmest since:
2017
Ties: 1934, 1942, 1943, 1980, 1982
Nov 1978–Oct 1983
60-Month		57.7°F
(14.3°C)		57.4°F
(14.1°C)		0.3°F
(0.2°C)		74th Coolest
Coolest since:
1913
50th Warmest
Warmest since:
2018
Ties: 1935, 1936, 1937, 1941, 1970, 1980, 1986

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