Contiguous U.S. April-September Average Temperature
Degrees Fahrenheit
1901-1981
-99
189509
64.85
-0.15
189609
65.60
0.60
189709
65.26
0.26
189809
65.26
0.26
189909
64.80
-0.20
190009
65.80
0.80
190109
65.28
0.28
190209
64.51
-0.49
190309
63.55
-1.45
190409
63.98
-1.02
190509
64.66
-0.34
190609
65.01
0.01
190709
62.78
-2.22
190809
64.66
-0.34
190909
64.33
-0.67
191009
65.34
0.34
191109
65.27
0.27
191209
63.81
-1.19
191309
64.96
-0.04
191409
65.31
0.31
191509
64.07
-0.93
191609
64.25
-0.75
191709
63.41
-1.59
191809
64.64
-0.36
191909
65.49
0.49
192009
63.71
-1.29
192109
65.78
0.78
192209
65.79
0.79
192309
64.57
-0.43
192409
63.91
-1.09
192509
66.13
1.13
192609
64.85
-0.15
192709
64.26
-0.74
192809
64.00
-1.00
192909
64.53
-0.47
193009
65.96
0.96
193109
66.18
1.18
193209
65.45
0.45
193309
66.00
1.00
193409
67.15
2.15
193509
64.60
-0.40
193609
67.01
2.01
193709
65.96
0.96
193809
65.75
0.75
193909
66.33
1.33
194009
65.39
0.39
194109
65.46
0.46
194209
64.91
-0.09
194309
65.57
0.57
194409
64.92
-0.08
194509
64.08
-0.92
194609
65.21
0.21
194709
65.21
0.21
194809
65.62
0.62
194909
65.51
0.51
195009
63.46
-1.54
195109
64.47
-0.53
195209
65.97
0.97
195309
65.09
0.09
195409
65.95
0.95
195509
65.81
0.81
195609
65.23
0.23
195709
64.86
-0.14
195809
65.33
0.33
195909
65.65
0.65
196009
65.59
0.59
196109
64.40
-0.60
196209
65.06
0.06
196309
65.58
0.58
196409
64.97
-0.03
196509
64.16
-0.84
196609
64.76
-0.24
196709
64.00
-1.00
196809
64.10
-0.90
196909
65.62
0.62
197009
65.20
0.20
197109
64.45
-0.55
197209
64.64
-0.36
197309
64.55
-0.45
197409
64.52
-0.48
197509
63.78
-1.22
197609
64.41
-0.59
197709
66.37
1.37
197809
65.28
0.28
197909
64.55
-0.45
198009
65.88
0.88
198109
65.82
0.82