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, March 1930

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2023)
Warmest/Coolest
Since
Record
March 1930
1-Month
50.3°F
(10.2°C)
48.8°F
(9.3°C)
1.5°F
(0.9°C)
86th Coolest
Coolest since:
1897
44th Warmest
Warmest since:
1934
Ties: 2008
Feb–Mar 1930
2-Month
49.6°F
(9.8°C)
47.1°F
(8.4°C)
2.5°F
(1.4°C)
110th Coolest
Coolest since:
1903
20th Warmest
Warmest since:
2015
Ties: 1963, 1978, 2013
Jan–Mar 1930
3-Month
46.4°F
(8.0°C)
45.5°F
(7.5°C)
0.9°F
(0.5°C)
77th Coolest
Coolest since:
1949
53rd Warmest
Warmest since:
2015
Dec 1929–Mar 1930
4-Month
46.8°F
(8.2°C)
44.9°F
(7.2°C)
1.9°F
(1.0°C)
106th Coolest
Coolest since:
1949
23rd Warmest
Warmest since:
2015
Ties: 1992, 1995
Nov 1929–Mar 1930
5-Month
47.6°F
(8.7°C)
45.8°F
(7.7°C)
1.8°F
(1.0°C)
108th Coolest
Coolest since:
1949
21st Warmest
Warmest since:
2015
Ties: 1905, 1984, 2007
Oct 1929–Mar 1930
6-Month
49.9°F
(9.9°C)
48.1°F
(8.9°C)
1.8°F
(1.0°C)
111th Coolest
Coolest since:
1917
18th Warmest
Warmest to Date
2015
Ties: 1984, 1986, 2009, 2017
Sep 1929–Mar 1930
7-Month
52.3°F
(11.3°C)
51.0°F
(10.6°C)
1.3°F
(0.7°C)
102nd Coolest
Coolest since:
1917
27th Warmest
Warmest to Date
2015
Ties: 1963, 1970, 2007, 2012
Aug 1929–Mar 1930
8-Month
55.2°F
(12.9°C)
53.8°F
(12.1°C)
1.4°F
(0.8°C)
104th Coolest
Coolest since:
1917
25th Warmest
Warmest to Date
2015
Ties: 1970, 1980, 1988, 2012, 2019
Jul 1929–Mar 1930
9-Month
57.4°F
(14.1°C)
56.2°F
(13.4°C)
1.2°F
(0.7°C)
102nd Coolest
Coolest since:
1917
27th Warmest
Warmest to Date
2015
Ties: 1970
Jun 1929–Mar 1930
10-Month
58.4°F
(14.7°C)
57.4°F
(14.1°C)
1.0°F
(0.6°C)
96th Coolest
Coolest since:
1917
33rd Warmest
Warmest since:
2015
Ties: 1960, 1970, 1982, 2005
May 1929–Mar 1930
11-Month
58.7°F
(14.8°C)
57.7°F
(14.3°C)
1.0°F
(0.5°C)
94th Coolest
Coolest since:
1917
35th Warmest
Warmest to Date
2015
Ties: 1961, 1982, 2008
Apr 1929–Mar 1930
12-Month
58.0°F
(14.4°C)
57.4°F
(14.1°C)
0.6°F
(0.3°C)
77th Coolest
Coolest since:
1917
52nd Warmest
Warmest since:
2015
Ties: 1953, 1994
Oct 1928–Mar 1930
18-Month
54.1°F
(12.3°C)
54.3°F
(12.4°C)
-0.2°F
(-0.1°C)
41st Coolest
Coolest since:
1949
87th Warmest
Warmest since:
2015
Ties: 1900, 1902, 1926, 1929, 1937, 1942, 1955, 1957, 1958, 1962, 1964
Apr 1928–Mar 1930
24-Month
57.4°F
(14.1°C)
57.4°F
(14.1°C)
0.0°F
(0.0°C)
54th Coolest
Coolest since:
1913
74th Warmest
Warmest since:
2015
Ties: 1926, 1944, 1952, 1954, 1967
Apr 1927–Mar 1930
36-Month
57.3°F
(14.1°C)
57.4°F
(14.1°C)
-0.1°F
(0.0°C)
49th Coolest
Coolest since:
1913, 1917
78th Warmest
Warmest since:
2016
Ties: 1906, 1907, 1931, 1967, 1976
Apr 1926–Mar 1930
48-Month
57.6°F
(14.2°C)
57.4°F
(14.1°C)
0.2°F
(0.1°C)
68th Coolest
Coolest since:
1913
58th Warmest
Warmest since:
2018
Ties: 1928, 1953, 1959, 1971
Apr 1925–Mar 1930
60-Month
57.5°F
(14.2°C)
57.3°F
(14.1°C)
0.2°F
(0.1°C)
60th Coolest
Coolest since:
1913, 1917
65th Warmest
Warmest to Date
2018
Ties: 1931, 1970

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