Contiguous U.S., Average Temperature, November-September Degrees Fahrenheit 1901-1970 -99 189609 51.73 0.05 189709 51.43 -0.25 189809 51.85 0.17 189909 49.88 -1.80 190009 52.50 0.82 190109 51.81 0.13 190209 51.21 -0.47 190309 50.66 -1.02 190409 50.50 -1.18 190509 51.11 -0.57 190609 51.45 -0.23 190709 51.26 -0.42 190809 52.08 0.40 190909 51.77 0.09 191009 51.91 0.23 191109 52.30 0.62 191209 49.45 -2.23 191309 51.23 -0.45 191409 52.28 0.60 191509 50.54 -1.14 191609 51.38 -0.30 191709 49.67 -2.01 191809 51.31 -0.37 191909 52.08 0.40 192009 50.32 -1.36 192109 53.22 1.54 192209 51.96 0.28 192309 51.39 -0.29 192409 50.97 -0.71 192509 52.58 0.90 192609 51.78 0.10 192709 51.73 0.05 192809 51.45 -0.23 192909 50.77 -0.91 193009 52.01 0.33 193109 52.70 1.02 193209 52.43 0.75 193309 51.99 0.31 193409 54.00 2.32 193509 52.40 0.72 193609 51.66 -0.02 193709 51.41 -0.27 193809 52.83 1.15 193909 52.59 0.91 194009 51.96 0.28 194109 52.06 0.38 194209 51.85 0.17 194309 52.16 0.48 194409 51.64 -0.04 194509 51.63 -0.05 194609 52.31 0.63 194709 51.92 0.24 194809 51.18 -0.50 194909 51.44 -0.24 195009 51.28 -0.40 195109 51.25 -0.43 195209 51.84 0.16 195309 52.72 1.04 195409 53.17 1.49 195509 52.12 0.44 195609 51.39 -0.29 195709 52.01 0.33 195809 51.86 0.18 195909 52.05 0.37 196009 51.27 -0.41 196109 51.83 0.15 196209 51.07 -0.61 196309 52.03 0.35 196409 51.26 -0.42 196509 50.83 -0.85 196609 51.79 0.11 196709 51.77 0.09 196809 51.24 -0.44 196909 51.19 -0.49 197009 51.56 -0.12