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 1902

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 1902
1-Month
58.2°F
(14.6°C)
60.7°F
(15.9°C)
-2.5°F
(-1.3°C)
22nd Coolest
Coolest since:
1977
107th Warmest
Warmest since:
2001
Ties: 1948, 1964, 1980
Apr–May 1902
2-Month
55.4°F
(13.0°C)
57.4°F
(14.1°C)
-2.0°F
(-1.1°C)
19th Coolest
Coolest since:
1967
110th Warmest
Warmest since:
1992
Ties: 1964
Mar–May 1902
3-Month
52.1°F
(11.2°C)
54.5°F
(12.5°C)
-2.4°F
(-1.3°C)
8th Coolest
Coolest to Date
1917
121st Warmest
Warmest since:
1934
Ties: 1922, 1953
Feb–May 1902
4-Month
50.6°F
(10.3°C)
52.2°F
(11.2°C)
-1.6°F
(-0.9°C)
17th Coolest
Coolest to Date
1917
112th Warmest
Warmest since:
1934
Ties: 1909, 1971
Jan–May 1902
5-Month
48.8°F
(9.3°C)
50.2°F
(10.1°C)
-1.4°F
(-0.8°C)
15th Coolest
Coolest to Date
1917
114th Warmest
Warmest since:
2015
Ties: 1942, 1952, 1967
Dec 1901–May 1902
6-Month
48.0°F
(8.9°C)
49.1°F
(9.5°C)
-1.1°F
(-0.6°C)
22nd Coolest
Coolest since:
1917
106th Warmest
Warmest since:
2015
Ties: 1919, 1942, 1962, 1967, 1973, 1979
Nov 1901–May 1902
7-Month
48.6°F
(9.2°C)
49.1°F
(9.5°C)
-0.5°F
(-0.3°C)
39th Coolest
Coolest since:
1917
89th Warmest
Warmest since:
2015
Ties: 1897, 1983, 1999
Oct 1901–May 1902
8-Month
50.1°F
(10.1°C)
50.4°F
(10.2°C)
-0.3°F
(-0.1°C)
43rd Coolest
Coolest since:
1917
85th Warmest
Warmest since:
2015
Ties: 1897, 1908, 1910, 1925, 1935, 1957, 1974, 1991
Sep 1901–May 1902
9-Month
51.8°F
(11.0°C)
52.4°F
(11.3°C)
-0.6°F
(-0.3°C)
31st Coolest
Coolest since:
1917
97th Warmest
Warmest since:
2015
Ties: 1906, 1908, 1964, 1969
Aug 1901–May 1902
10-Month
54.1°F
(12.3°C)
54.6°F
(12.6°C)
-0.5°F
(-0.3°C)
37th Coolest
Coolest since:
1917
91st Warmest
Warmest since:
2015
Ties: 1910, 1944, 1945
Jul 1901–May 1902
11-Month
56.0°F
(13.3°C)
56.4°F
(13.6°C)
-0.4°F
(-0.3°C)
39th Coolest
Coolest since:
1917
89th Warmest
Warmest since:
2015
Ties: 1897, 1916, 1923, 1957
Jun 1901–May 1902
12-Month
56.9°F
(13.8°C)
57.4°F
(14.1°C)
-0.5°F
(-0.3°C)
32nd Coolest
Coolest since:
1917
96th Warmest
Warmest since:
2015
Ties: 1969, 1975, 1979
Dec 1900–May 1902
18-Month
54.2°F
(12.3°C)
54.6°F
(12.6°C)
-0.4°F
(-0.3°C)
31st Coolest
Coolest since:
1917
96th Warmest
Warmest since:
2015
Ties: 1919, 1929, 1942, 1973, 1974
Jun 1900–May 1902
24-Month
56.8°F
(13.8°C)
57.4°F
(14.1°C)
-0.6°F
(-0.3°C)
23rd Coolest
Coolest since:
1913, 1917
104th Warmest
Warmest since:
2015
Ties: 1898, 1948, 1965
Jun 1899–May 1902
36-Month
57.0°F
(13.9°C)
57.4°F
(14.1°C)
-0.4°F
(-0.2°C)
31st Coolest
Coolest since:
1913, 1917
95th Warmest
Warmest since:
2016
Ties: 1901, 1944, 1948, 1955, 1956, 1974
Jun 1898–May 1902
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 since:
2016, 2017, 2018
Ties: 1900, 1908, 1947, 1956, 1957, 1967, 1974, 1975, 1976
Jun 1897–May 1902
60-Month
56.8°F
(13.8°C)
57.3°F
(14.1°C)
-0.5°F
(-0.3°C)
21st Coolest
Coolest to Date
1913, 1917
103rd Warmest
Warmest since:
2018
Ties: 1904, 1905, 1909, 1948

Citing This Page