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.

Upper Colorado River Basin

Average Temperature Rankings, December 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
(1895-2021)
Warmest/Coolest
Since
Record
December 1897
1-Month
16.4°F
(-8.7°C)
23.0°F
(-5.0°C)
-6.6°F
(-3.7°C)
7th Coolest
Coolest since:
1909
121st Warmest
Warmest since:
1980
Nov–Dec 1897
2-Month
25.1°F
(-3.8°C)
27.5°F
(-2.5°C)
-2.4°F
(-1.3°C)
25th Coolest
Coolest since:
1895
103rd Warmest
Warmest since:
2017
Oct–Dec 1897
3-Month
31.5°F
(-0.3°C)
33.5°F
(0.8°C)
-2.0°F
(-1.1°C)
19th Coolest
Coolest since:
1898
109th Warmest
Warmest since:
1950, 2017
Ties: 1913, 1920, 1948
Sep–Dec 1897
4-Month
38.1°F
(3.4°C)
39.2°F
(4.0°C)
-1.1°F
(-0.6°C)
31st Coolest
Coolest since:
1898, 1912
97th Warmest
Warmest to Date
2021
Ties: 1902, 1918, 1984
Aug–Dec 1897
5-Month
43.3°F
(6.3°C)
44.3°F
(6.8°C)
-1.0°F
(-0.5°C)
28th Coolest
Coolest since:
1912
100th Warmest
Warmest to Date
2021
Ties: 1902, 1927
Jul–Dec 1897
6-Month
46.8°F
(8.2°C)
48.1°F
(8.9°C)
-1.3°F
(-0.7°C)
22nd Coolest
Coolest since:
1912
106th Warmest
Warmest since:
2021
Ties: 1918, 1923, 1928, 1951
Jun–Dec 1897
7-Month
48.7°F
(9.3°C)
49.8°F
(9.9°C)
-1.1°F
(-0.6°C)
23rd Coolest
Coolest since:
1912
105th Warmest
Warmest since:
2021
Ties: 1903, 1907
May–Dec 1897
8-Month
49.5°F
(9.7°C)
50.0°F
(10.0°C)
-0.5°F
(-0.3°C)
39th Coolest
Coolest since:
1912
89th Warmest
Warmest to Date
2021
Ties: 1929
Apr–Dec 1897
9-Month
48.6°F
(9.2°C)
49.1°F
(9.5°C)
-0.5°F
(-0.3°C)
41st Coolest
Coolest since:
1912
87th Warmest
Warmest to Date
2021
Ties: 1917, 1941, 1972, 1978
Mar–Dec 1897
10-Month
46.4°F
(8.0°C)
47.4°F
(8.6°C)
-1.0°F
(-0.6°C)
21st Coolest
Coolest since:
1912
107th Warmest
Warmest since:
2012
Ties: 1902, 1905, 1929, 1930, 1964, 1970
Feb–Dec 1897
11-Month
44.2°F
(6.8°C)
45.5°F
(7.5°C)
-1.3°F
(-0.7°C)
17th Coolest
Coolest since:
1912
111th Warmest
Warmest since:
2017
Ties: 1905, 1924
Jan–Dec 1897
12-Month
42.2°F
(5.7°C)
43.5°F
(6.4°C)
-1.3°F
(-0.7°C)
20th Coolest
Coolest since:
1895, 1912
108th Warmest
Warmest since:
2012
Ties: 1919, 1930, 1984
Jul 1896–Dec 1897
18-Month
43.8°F
(6.6°C)
45.0°F
(7.2°C)
-1.2°F
(-0.6°C)
17th Coolest
Coolest since:
1912
110th Warmest
Warmest to Date
1934
Ties: 1952
Jan 1896–Dec 1897
24-Month
42.5°F
(5.8°C)
43.4°F
(6.3°C)
-0.9°F
(-0.5°C)
18th Coolest
Coolest since:
1913
109th Warmest
Warmest to Date
2018
Ties: 1919, 1933, 1952, 1965, 1974
Jan 1895–Dec 1897
36-Month
41.9°F
(5.5°C)
43.4°F
(6.3°C)
-1.5°F
(-0.8°C)
4th Coolest
Coolest since:
1899, 1913
122nd Warmest
Warmest to Date
2017
Ties: 1917

Citing This Page