Contiguous U.S. March 1921 Minimum Temperature Rankings
1901-2000
Degrees Fahrenheit
1
34.70
29.99
4.71
123
7
1965
2012
1920
1910
top-tenth
2
30.10
26.41
3.69
122
8
1899
2012
1920
1921
top-tenth
3
28.15
24.19
3.96
122
8
1912
2012
1920
1921
top-tenth
4
26.99
23.80
3.19
119
10
1899
2016
1920
1921
top-tenth
5
27.52
25.18
2.34
115
14
1899
2016
1920
1921
top-third
6
29.96
27.89
2.07
116
13
1899
2016
1920
1921
top-tenth
7
33.20
31.32
1.88
113
16
1917
2016
1920
1921
top-third
8
36.30
34.79
1.51
109
20
1917
2016
1920
1921
top-third
1987
9
38.86
37.65
1.21
100
29
1917
2017
1920
1921
top-third
10
40.44
39.45
0.99
96
33
1917
2016
1920
1921
top-third
11
41.02
40.17
0.85
96
33
1917
2016
1920
1921
top-third
1974
12
40.56
40.04
0.52
87
42
1917
2016
1920
1907
top-third
18
35.92
35.98
-0.06
51
77
1918
2017
1919
1920
normal
24
40.10
40.03
0.07
60
68
1918
2017
1920
1908
normal
36
40.13
40.02
0.11
64
63
1918
2018
1920
1902
normal
48
39.62
40.01
-0.39
22
104
1918
2019
1920
1916
bottom-third
60
39.29
40.00
-0.71
4
121
1920
2020
1920
1917
bottom-tenth