Contiguous U.S. 60-Month Period Ending in May Average Temperature
Degrees Fahrenheit
1901-2000
-99
190005
51.49
-0.49
190105
51.64
-0.34
190205
51.78
-0.20
190305
51.63
-0.35
190405
51.69
-0.29
190505
51.42
-0.56
190605
51.28
-0.70
190705
51.21
-0.77
190805
51.36
-0.62
190905
51.56
-0.42
191005
51.75
-0.23
191105
51.94
-0.04
191205
51.68
-0.30
191305
51.46
-0.52
191405
51.57
-0.41
191505
51.49
-0.49
191605
51.27
-0.71
191705
51.15
-0.83
191805
51.20
-0.78
191905
51.20
-0.78
192005
51.08
-0.90
192105
51.35
-0.63
192205
51.84
-0.14
192305
52.04
0.06
192405
51.86
-0.12
192505
52.11
0.13
192605
51.94
-0.04
192705
51.95
-0.03
192805
51.89
-0.09
192905
51.83
-0.15
193005
51.73
-0.25
193105
51.81
-0.17
193205
52.00
0.02
193305
51.94
-0.04
193405
52.62
0.64
193505
52.88
0.90
193605
52.67
0.69
193705
52.40
0.42
193805
52.69
0.71
193905
52.41
0.43
194005
52.28
0.30
194105
52.57
0.59
194205
52.62
0.64
194305
52.43
0.45
194405
52.26
0.28
194505
52.21
0.23
194605
52.15
0.17
194705
52.07
0.09
194805
52.02
0.04
194905
51.95
-0.03
195005
51.93
-0.05
195105
51.77
-0.21
195205
51.68
-0.30
195305
51.89
-0.09
195405
52.23
0.25
195505
52.32
0.34
195605
52.38
0.40
195705
52.59
0.61
195805
52.39
0.41
195905
52.13
0.15
196005
51.91
-0.07
196105
52.02
0.04
196205
51.83
-0.15
196305
51.87
-0.11
196405
51.90
-0.08
196505
51.91
-0.07
196605
51.75
-0.23
196705
51.88
-0.10
196805
51.76
-0.22
196905
51.54
-0.44
197005
51.54
-0.44
197105
51.54
-0.44
197205
51.58
-0.40
197305
51.51
-0.47
197405
51.85
-0.13
197505
51.83
-0.15
197605
52.01
0.03
197705
51.76
-0.22
197805
51.86
-0.12
197905
51.42
-0.56
198005
51.56
-0.42
198105
51.72
-0.26
198205
51.87
-0.11
198305
51.94
-0.04
198405
52.17
0.19
198505
52.18
0.20
198605
52.00
0.02
198705
52.26
0.28
198805
52.36
0.38
198905
52.57
0.59
199005
52.69
0.71
199105
52.87
0.89
199205
52.96
0.98
199305
52.70
0.72
199405
52.47
0.49
199505
52.56
0.58
199605
52.32
0.34
199705
52.03
0.05
199805
52.41
0.43
199905
52.91
0.93
200005
53.19
1.21
200105
53.20
1.22
200205
53.54
1.56
200305
53.54
1.56
200405
53.43
1.45
200505
53.14
1.16
200605
53.57
1.59
200705
53.51
1.53
200805
53.49
1.51
200905
53.34
1.36
201005
53.14
1.16
201105
52.83
0.85