Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. 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, March 1991

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
March 1991
1-Month
44.8°F
(7.1°C)
48.8°F
(9.3°C)
-4.0°F
(-2.2°C)
9th Coolest
Coolest since:
1897
120th Warmest
Warmest since:
1934
Ties: 1922
Feb–Mar 1991
2-Month
48.2°F
(9.0°C)
47.1°F
(8.4°C)
1.1°F
(0.6°C)
84th Coolest
Coolest since:
1897, 1903
45th Warmest
Warmest since:
2015
Ties: 1921, 1981
Jan–Mar 1991
3-Month
46.6°F
(8.1°C)
45.5°F
(7.5°C)
1.1°F
(0.6°C)
81st Coolest
Coolest since:
1949
48th Warmest
Warmest since:
2015
Ties: 1961, 1983
Dec 1990–Mar 1991
4-Month
44.6°F
(7.0°C)
44.9°F
(7.2°C)
-0.3°F
(-0.2°C)
41st Coolest
Coolest since:
1949
87th Warmest
Warmest since:
2015
Ties: 1911, 1993, 2008
Nov 1990–Mar 1991
5-Month
45.6°F
(7.6°C)
45.8°F
(7.7°C)
-0.2°F
(-0.1°C)
40th Coolest
Coolest since:
1949
88th Warmest
Warmest since:
2015
Ties: 1911, 1950, 1971, 1972, 1974, 1993, 1999
Oct 1990–Mar 1991
6-Month
48.4°F
(9.1°C)
48.1°F
(8.9°C)
0.3°F
(0.2°C)
61st Coolest
Coolest since:
1917
67th Warmest
Warmest since:
2015
Ties: 1901, 1902, 1961, 1993, 2008
Sep 1990–Mar 1991
7-Month
51.4°F
(10.8°C)
51.0°F
(10.6°C)
0.4°F
(0.2°C)
71st Coolest
Coolest since:
1917
57th Warmest
Warmest since:
2015
Ties: 1965, 1982
Aug 1990–Mar 1991
8-Month
54.2°F
(12.3°C)
53.8°F
(12.1°C)
0.4°F
(0.2°C)
71st Coolest
Coolest since:
1917
57th Warmest
Warmest since:
2015
Ties: 1965, 2008
Jul 1990–Mar 1991
9-Month
56.7°F
(13.7°C)
56.2°F
(13.4°C)
0.5°F
(0.3°C)
75th Coolest
Coolest since:
1917
53rd Warmest
Warmest since:
2015
Ties: 1954, 1994, 1995, 1998
Jun 1990–Mar 1991
10-Month
58.0°F
(14.4°C)
57.4°F
(14.1°C)
0.6°F
(0.3°C)
78th Coolest
Coolest since:
1917
50th Warmest
Warmest since:
2015
Ties: 1927, 1967, 1993
May 1990–Mar 1991
11-Month
58.2°F
(14.6°C)
57.7°F
(14.3°C)
0.5°F
(0.3°C)
77th Coolest
Coolest since:
1917
51st Warmest
Warmest since:
2015
Ties: 1918, 1963, 1994, 2012
Apr 1990–Mar 1991
12-Month
58.2°F
(14.6°C)
57.4°F
(14.1°C)
0.8°F
(0.5°C)
86th Coolest
Coolest since:
1917
42nd Warmest
Warmest since:
2015
Ties: 1905, 1963, 1981, 1995
Oct 1989–Mar 1991
18-Month
55.0°F
(12.8°C)
54.2°F
(12.3°C)
0.8°F
(0.5°C)
87th Coolest
Coolest since:
1949
40th Warmest
Warmest since:
2015
Ties: 2006
Apr 1989–Mar 1991
24-Month
58.2°F
(14.6°C)
57.3°F
(14.1°C)
0.9°F
(0.5°C)
93rd Coolest
Coolest since:
1913
34th Warmest
Warmest since:
2015
Ties: 1940, 1959, 1987, 1988, 1990
Apr 1988–Mar 1991
36-Month
58.2°F
(14.6°C)
57.4°F
(14.1°C)
0.8°F
(0.5°C)
93rd Coolest
Coolest since:
1913, 1917
33rd Warmest
Warmest since:
2016
Ties: 1940, 1989, 1999, 2013
Apr 1987–Mar 1991
48-Month
58.3°F
(14.6°C)
57.3°F
(14.1°C)
1.0°F
(0.5°C)
98th Coolest
Coolest since:
1913
27th Warmest
Warmest since:
2018
Ties: 1941, 1961, 1962, 1989, 2000, 2012
Apr 1986–Mar 1991
60-Month
58.2°F
(14.6°C)
57.3°F
(14.1°C)
0.9°F
(0.5°C)
91st Coolest
Coolest since:
1913, 1917
33rd Warmest
Warmest since:
2018
Ties: 1989, 2002

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