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, May 1900

View Period (Months):
Download: CSV JSON XML
  • Record Coolest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Warmest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Warmest/Coolest
Since
Record
May 1900
1-Month
61.9°F
(16.6°C)
60.7°F
(15.9°C)
1.2°F
(0.7°C)
78th Coolest
Coolest since:
1977
51st Warmest
Warmest since:
2001
Ties: 1929, 1981
Apr–May 1900
2-Month
56.5°F
(13.6°C)
57.4°F
(14.1°C)
-0.9°F
(-0.5°C)
43rd Coolest
Coolest since:
1967
86th Warmest
Warmest since:
1992
Ties: 1927, 1957
Mar–May 1900
3-Month
55.3°F
(12.9°C)
54.5°F
(12.5°C)
0.8°F
(0.4°C)
83rd Coolest
Coolest since:
1917
46th Warmest
Warmest to Date
1934
Ties: 1985, 2002
Feb–May 1900
4-Month
53.2°F
(11.8°C)
52.2°F
(11.2°C)
1.0°F
(0.6°C)
84th Coolest
Coolest since:
1917
45th Warmest
Warmest to Date
1934
Ties: 1925, 1990
Jan–May 1900
5-Month
51.7°F
(10.9°C)
50.2°F
(10.1°C)
1.5°F
(0.8°C)
97th Coolest
Coolest since:
1917
32nd Warmest
Warmest to Date
2015
Ties: 1914, 1943, 1954, 1988, 2001
Dec 1899–May 1900
6-Month
50.2°F
(10.1°C)
49.1°F
(9.5°C)
1.1°F
(0.6°C)
91st Coolest
Coolest since:
1917
37th Warmest
Warmest to Date
2015
Nov 1899–May 1900
7-Month
50.3°F
(10.2°C)
49.1°F
(9.5°C)
1.2°F
(0.7°C)
95th Coolest
Coolest since:
1917
33rd Warmest
Warmest to Date
2015
Ties: 1990
Oct 1899–May 1900
8-Month
51.0°F
(10.6°C)
50.4°F
(10.2°C)
0.6°F
(0.4°C)
80th Coolest
Coolest since:
1917
48th Warmest
Warmest to Date
2015
Ties: 1905, 1993, 2005
Sep 1899–May 1900
9-Month
53.1°F
(11.7°C)
52.4°F
(11.3°C)
0.7°F
(0.4°C)
84th Coolest
Coolest since:
1917
44th Warmest
Warmest to Date
2015
Ties: 1936, 1987
Aug 1899–May 1900
10-Month
54.7°F
(12.6°C)
54.6°F
(12.6°C)
0.1°F
(0.0°C)
68th Coolest
Coolest since:
1917
60th Warmest
Warmest to Date
2015
Ties: 1939, 1956, 1966, 2010, 2011
Jul 1899–May 1900
11-Month
56.5°F
(13.6°C)
56.4°F
(13.6°C)
0.1°F
(0.0°C)
61st Coolest
Coolest since:
1917
67th Warmest
Warmest to Date
2015
Ties: 1924, 1946, 1953, 1985, 1995
Jun 1899–May 1900
12-Month
57.5°F
(14.2°C)
57.4°F
(14.1°C)
0.1°F
(0.1°C)
61st Coolest
Coolest since:
1917
67th Warmest
Warmest to Date
2015
Ties: 1958, 1985, 1991
Dec 1898–May 1900
18-Month
54.4°F
(12.4°C)
54.6°F
(12.6°C)
-0.2°F
(-0.2°C)
45th Coolest
Coolest since:
1917
82nd Warmest
Warmest to Date
2015
Ties: 1906, 1915, 1930, 1946, 1952, 1969
Jun 1898–May 1900
24-Month
57.2°F
(14.0°C)
57.4°F
(14.1°C)
-0.2°F
(-0.1°C)
48th Coolest
Coolest since:
1913, 1917
79th Warmest
Warmest to Date
2015
Ties: 1906, 1915, 1943, 1966
Jun 1897–May 1900
36-Month
56.9°F
(13.8°C)
57.4°F
(14.1°C)
-0.5°F
(-0.3°C)
24th Coolest
Coolest since:
1913, 1917
102nd Warmest
Warmest to Date
2016
Ties: 1905, 1933, 1951, 1966, 1973, 1975
Jun 1896–May 1900
48-Month
57.0°F
(13.9°C)
57.4°F
(14.1°C)
-0.4°F
(-0.2°C)
32nd Coolest
Coolest since:
1913
93rd Warmest
Warmest to Date
2016, 2017, 2018
Ties: 1902, 1908, 1947, 1956, 1957, 1967, 1974, 1975, 1976
Jun 1895–May 1900
60-Month
56.9°F
(13.8°C)
57.3°F
(14.1°C)
-0.4°F
(-0.3°C)
26th Coolest
Coolest to Date
1913, 1917
98th Warmest
Warmest to Date
2018
Ties: 1901, 1906, 1907, 1951, 1953, 1956

Citing This Page