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.

New England Basin

Average Temperature Rankings, December 1909

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Warmest/Coolest
Since
Record
December 1909
1-Month
20.8°F
(-6.2°C)
21.6°F
(-5.8°C)
-0.8°F
(-0.4°C)
44th Coolest
Coolest since:
1989
85th Warmest
Warmest since:
2015
Nov–Dec 1909
2-Month
28.6°F
(-1.9°C)
28.0°F
(-2.2°C)
0.6°F
(0.3°C)
67th Coolest
Coolest since:
1917
62nd Warmest
Warmest since:
2015
Ties: 1949, 1988, 1997
Oct–Dec 1909
3-Month
34.2°F
(1.2°C)
34.0°F
(1.1°C)
0.2°F
(0.1°C)
62nd Coolest
Coolest since:
1904, 1917
67th Warmest
Warmest since:
2015
Sep–Dec 1909
4-Month
39.7°F
(4.3°C)
39.6°F
(4.2°C)
0.1°F
(0.1°C)
57th Coolest
Coolest since:
1917
72nd Warmest
Warmest since:
2015
Ties: 1928, 1956, 1967, 1970, 2000
Aug–Dec 1909
5-Month
44.3°F
(6.8°C)
44.6°F
(7.0°C)
-0.3°F
(-0.2°C)
42nd Coolest
Coolest since:
1904
87th Warmest
Warmest since:
2015
Ties: 1908, 1916, 1918, 1951, 1956
Jul–Dec 1909
6-Month
47.5°F
(8.6°C)
48.2°F
(9.0°C)
-0.7°F
(-0.4°C)
31st Coolest
Coolest since:
1904
98th Warmest
Warmest since:
2015
Ties: 1897, 1956, 1978, 1992
Jun–Dec 1909
7-Month
49.5°F
(9.7°C)
50.1°F
(10.1°C)
-0.6°F
(-0.4°C)
31st Coolest
Coolest since:
1904
98th Warmest
Warmest since:
2021
Ties: 1922, 1956, 1978, 1992
May–Dec 1909
8-Month
49.6°F
(9.8°C)
50.4°F
(10.2°C)
-0.8°F
(-0.4°C)
27th Coolest
Coolest since:
1917
102nd Warmest
Warmest since:
2015
Ties: 1945
Apr–Dec 1909
9-Month
48.4°F
(9.1°C)
49.2°F
(9.6°C)
-0.8°F
(-0.5°C)
23rd Coolest
Coolest since:
1917
106th Warmest
Warmest since:
2021
Ties: 1929, 1976, 1980
Mar–Dec 1909
10-Month
46.2°F
(7.9°C)
47.2°F
(8.4°C)
-1.0°F
(-0.5°C)
21st Coolest
Coolest since:
1917
108th Warmest
Warmest since:
2021
Ties: 1939, 1962
Feb–Dec 1909
11-Month
43.7°F
(6.5°C)
44.5°F
(6.9°C)
-0.8°F
(-0.4°C)
25th Coolest
Coolest since:
1917
104th Warmest
Warmest since:
2010, 2012
Ties: 1895, 1897, 1901, 1918, 1939, 1980
Jan–Dec 1909
12-Month
41.5°F
(5.3°C)
42.2°F
(5.7°C)
-0.7°F
(-0.4°C)
29th Coolest
Coolest since:
1904
100th Warmest
Warmest since:
2010, 2012
Ties: 1899, 1902, 1956, 1965, 1967
Jul 1908–Dec 1909
18-Month
43.8°F
(6.6°C)
44.2°F
(6.8°C)
-0.4°F
(-0.2°C)
31st Coolest
Coolest since:
1904
97th Warmest
Warmest since:
2012
Ties: 1899, 1908, 1910, 1922, 1936
Jan 1908–Dec 1909
24-Month
41.7°F
(5.4°C)
42.2°F
(5.7°C)
-0.5°F
(-0.3°C)
28th Coolest
Coolest since:
1905
100th Warmest
Warmest since:
2021
Ties: 1901, 1910, 1920, 1929, 1941, 1944
Jan 1907–Dec 1909
36-Month
41.0°F
(5.0°C)
42.2°F
(5.7°C)
-1.2°F
(-0.7°C)
9th Coolest
Coolest since:
1905, 1906
118th Warmest
Warmest since:
2012, 2022
Ties: 1908, 1917, 1924, 1927
Jan 1906–Dec 1909
48-Month
41.1°F
(5.1°C)
42.2°F
(5.7°C)
-1.1°F
(-0.6°C)
12th Coolest
Coolest since:
1907
114th Warmest
Warmest since:
2013
Ties: 1925
Jan 1905–Dec 1909
60-Month
40.9°F
(4.9°C)
42.2°F
(5.7°C)
-1.3°F
(-0.8°C)
8th Coolest
Coolest since:
1907
117th Warmest
Warmest since:
2013, 2014, 2022
Ties: 1920

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