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 1909

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 1909
1-Month
58.5°F
(14.7°C)
60.7°F
(15.9°C)
-2.2°F
(-1.2°C)
27th Coolest
Coolest since:
1977
102nd Warmest
Warmest since:
2001
Ties: 1961
Apr–May 1909
2-Month
56.6°F
(13.7°C)
57.4°F
(14.1°C)
-0.8°F
(-0.4°C)
46th Coolest
Coolest since:
1967
83rd Warmest
Warmest since:
1992
Ties: 1913, 1923, 1932, 1945
Mar–May 1909
3-Month
53.0°F
(11.7°C)
54.5°F
(12.5°C)
-1.5°F
(-0.8°C)
24th Coolest
Coolest since:
1917
105th Warmest
Warmest since:
1934
Ties: 1899, 1903, 1911
Feb–May 1909
4-Month
50.6°F
(10.3°C)
52.2°F
(11.2°C)
-1.6°F
(-0.9°C)
17th Coolest
Coolest since:
1917
112th Warmest
Warmest since:
1934
Ties: 1902, 1913, 1971
Jan–May 1909
5-Month
49.5°F
(9.7°C)
50.2°F
(10.1°C)
-0.7°F
(-0.4°C)
32nd Coolest
Coolest since:
1917
97th Warmest
Warmest since:
2015
Ties: 1899, 1915, 1919
Dec 1908–May 1909
6-Month
48.0°F
(8.9°C)
49.0°F
(9.4°C)
-1.0°F
(-0.5°C)
22nd Coolest
Coolest since:
1917
106th Warmest
Warmest since:
2015
Ties: 1902, 1919, 1942, 1962, 1967, 1973, 1979
Nov 1908–May 1909
7-Month
48.3°F
(9.1°C)
49.1°F
(9.5°C)
-0.8°F
(-0.4°C)
29th Coolest
Coolest since:
1917
99th Warmest
Warmest since:
2015
Ties: 1915, 1944, 1969
Oct 1908–May 1909
8-Month
49.3°F
(9.6°C)
50.4°F
(10.2°C)
-1.1°F
(-0.6°C)
19th Coolest
Coolest since:
1917
109th Warmest
Warmest since:
2015
Sep 1908–May 1909
9-Month
51.3°F
(10.7°C)
52.4°F
(11.3°C)
-1.1°F
(-0.6°C)
18th Coolest
Coolest since:
1917
110th Warmest
Warmest since:
2015
Ties: 1962
Aug 1908–May 1909
10-Month
53.5°F
(11.9°C)
54.6°F
(12.6°C)
-1.1°F
(-0.7°C)
17th Coolest
Coolest since:
1917
111th Warmest
Warmest since:
2015
Ties: 1901, 1937
Jul 1908–May 1909
11-Month
55.6°F
(13.1°C)
56.4°F
(13.6°C)
-0.8°F
(-0.5°C)
22nd Coolest
Coolest since:
1917
106th Warmest
Warmest since:
2015
Ties: 1937, 1964, 1975
Jun 1908–May 1909
12-Month
56.3°F
(13.5°C)
57.4°F
(14.1°C)
-1.1°F
(-0.6°C)
13th Coolest
Coolest since:
1917
115th Warmest
Warmest since:
2015
Ties: 1920, 1922
Dec 1907–May 1909
18-Month
53.7°F
(12.1°C)
54.6°F
(12.6°C)
-0.9°F
(-0.5°C)
15th Coolest
Coolest since:
1917
112th Warmest
Warmest since:
2015
Jun 1907–May 1909
24-Month
56.3°F
(13.5°C)
57.4°F
(14.1°C)
-1.1°F
(-0.6°C)
9th Coolest
Coolest since:
1913, 1917
118th Warmest
Warmest since:
2015
Jun 1906–May 1909
36-Month
56.6°F
(13.7°C)
57.4°F
(14.1°C)
-0.8°F
(-0.4°C)
15th Coolest
Coolest since:
1913, 1917
111th Warmest
Warmest since:
2016
Ties: 1904, 1911
Jun 1905–May 1909
48-Month
56.6°F
(13.7°C)
57.4°F
(14.1°C)
-0.8°F
(-0.4°C)
13th Coolest
Coolest since:
1913
112th Warmest
Warmest since:
2016, 2017, 2018
Ties: 1904, 1910, 1924, 1949
Jun 1904–May 1909
60-Month
56.8°F
(13.8°C)
57.3°F
(14.1°C)
-0.5°F
(-0.3°C)
21st Coolest
Coolest since:
1913, 1917
103rd Warmest
Warmest since:
2018
Ties: 1902, 1904, 1905, 1948

Citing This Page