Contiguous U.S. 60-Month Period Ending in April Average Temperature
Degrees Fahrenheit
1901-1936
-99
190004
51.46
-0.26
190104
51.66
-0.06
190204
51.77
0.05
190304
51.63
-0.09
190404
51.69
-0.03
190504
51.47
-0.25
190604
51.31
-0.41
190704
51.31
-0.41
190804
51.37
-0.35
190904
51.59
-0.13
191004
51.75
0.03
191104
51.91
0.19
191204
51.60
-0.12
191304
51.44
-0.28
191404
51.52
-0.20
191504
51.51
-0.21
191604
51.30
-0.42
191704
51.23
-0.49
191804
51.19
-0.53
191904
51.22
-0.50
192004
51.06
-0.66
192104
51.33
-0.39
192204
51.74
0.02
192304
52.06
0.34
192404
51.89
0.17
192504
52.10
0.38
192604
51.93
0.21
192704
51.98
0.26
192804
51.85
0.13
192904
51.81
0.09
193004
51.75
0.03
193104
51.83
0.11
193204
51.99
0.27
193304
51.97
0.25
193404
52.52
0.80
193504
52.91
1.19
193604
52.60
0.88