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, May 1897

View Period (Months):
Download: csv json xml
  • Record Coolest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 1897
1-Month
63.8°F
(17.7°C)
60.7°F
(15.9°C)
3.1°F
(1.8°C)
107th Coolest
Coolest since:
1977
22nd Warmest
Warmest to Date
2001
Ties: 1966, 2013
Apr–May 1897
2-Month
59.9°F
(15.5°C)
57.4°F
(14.1°C)
2.5°F
(1.4°C)
104th Coolest
Coolest since:
1967
25th Warmest
Warmest to Date
1992
Mar–May 1897
3-Month
54.3°F
(12.4°C)
54.5°F
(12.5°C)
-0.2°F
(-0.1°C)
57th Coolest
Coolest since:
1917
72nd Warmest
Warmest since:
1934
Ties: 1895, 1919, 1956
Feb–May 1897
4-Month
51.3°F
(10.7°C)
52.2°F
(11.2°C)
-0.9°F
(-0.5°C)
36th Coolest
Coolest since:
1917
93rd Warmest
Warmest since:
1934
Ties: 1952
Jan–May 1897
5-Month
49.4°F
(9.7°C)
50.2°F
(10.1°C)
-0.8°F
(-0.4°C)
29th Coolest
Coolest since:
1917
100th Warmest
Warmest since:
2015
Ties: 1921, 1977
Dec 1896–May 1897
6-Month
48.8°F
(9.3°C)
49.0°F
(9.4°C)
-0.2°F
(-0.1°C)
48th Coolest
Coolest since:
1917
80th Warmest
Warmest to Date
2015
Ties: 1918, 1946
Nov 1896–May 1897
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 to Date
2015
Ties: 1902, 1983, 1999
Oct 1896–May 1897
8-Month
50.1°F
(10.1°C)
50.5°F
(10.3°C)
-0.4°F
(-0.2°C)
44th Coolest
Coolest since:
1917
84th Warmest
Warmest to Date
2015
Ties: 1902, 1908, 1910, 1925, 1935, 1974, 1991
Sep 1896–May 1897
9-Month
51.9°F
(11.1°C)
52.4°F
(11.3°C)
-0.5°F
(-0.2°C)
36th Coolest
Coolest since:
1917
92nd Warmest
Warmest to Date
2015
Ties: 1923, 1999
Aug 1896–May 1897
10-Month
54.0°F
(12.2°C)
54.6°F
(12.6°C)
-0.6°F
(-0.4°C)
34th Coolest
Coolest since:
1917
94th Warmest
Warmest to Date
2015
Ties: 1906, 1923, 1944
Jul 1896–May 1897
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 to Date
2015
Ties: 1902, 1916, 1923, 1957
Jun 1896–May 1897
12-Month
57.2°F
(14.0°C)
57.4°F
(14.1°C)
-0.2°F
(-0.1°C)
50th Coolest
Coolest since:
1917
78th Warmest
Warmest to Date
2015
Ties: 1904, 1935, 1953, 1962, 1965, 1972, 1976
Dec 1895–May 1897
18-Month
54.3°F
(12.4°C)
54.6°F
(12.6°C)
-0.3°F
(-0.2°C)
38th Coolest
Coolest since:
1917
89th Warmest
Warmest to Date
2015
Ties: 1907, 1914, 1924, 1948, 1957, 1975
Jun 1895–May 1897
24-Month
56.9°F
(13.8°C)
57.4°F
(14.1°C)
-0.5°F
(-0.3°C)
27th Coolest
Coolest since:
1913, 1917
100th Warmest
Warmest to Date
2015
Ties: 1907, 1929, 1946, 1953, 1955, 1973, 1974

Citing This Page