May 1897 - April 1899 Contiguous U.S. Statewide Average Temperature Degrees Fahrenheit -99 1901-2000 base period 1901-2000 0100 Alabama 63.0 44 63.1 -0.1 0200 Arizona 59.0 29 59.3 -0.3 0300 Arkansas 60.0 27 60.4 -0.4 0400 California 56.9 25 57.4 -0.5 0500 Colorado 43.1 5 44.6 -1.5 0600 Connecticut 47.4 25 48 -0.6 0700 Delaware 53.8 35 54.2 -0.4 0800 Florida 70.1 49 70.2 -0.1 0900 Georgia 63.6 69 63.4 0.2 1000 Idaho 42.3 39 42.6 -0.3 1100 Illinois 50.8 22 51.7 -0.9 1200 Indiana 51.2 46 51.4 -0.2 1300 Iowa 46.0 8 47.5 -1.5 1400 Kansas 52.5 5 54.1 -1.6 1500 Kentucky 55.5 51 55.5 -0.0 1600 Louisiana 65.9 28 66.3 -0.4 1700 Maine 39.3 18 40.1 -0.8 1800 Maryland 53.4 33 53.7 -0.3 1900 Massachusetts 46.4 25 46.9 -0.5 2000 Michigan 42.4 13 43.6 -1.2 2100 Minnesota 38.4 9 40.1 -1.7 2200 Mississippi 63.4 40 63.6 -0.2 2300 Missouri 53.6 17 54.5 -0.9 2400 Montana 39.2 9 41.2 -2.0 2500 Nebraska 46.5 4 48.4 -1.9 2600 Nevada 49.1 31 49.4 -0.3 2700 New Hampshire 41.9 30 42.3 -0.4 2800 New Jersey 50.7 19 51.4 -0.7 2900 New Mexico 52.3 18 52.9 -0.6 3000 New York 44.9 77 44.5 0.4 3100 North Carolina 58.6 50 58.5 0.1 3200 North Dakota 37.4 9 39.7 -2.3 3300 Ohio 50.7 65 50.5 0.2 3400 Oklahoma 58.4 5 59.6 -1.2 3500 Oregon 45.3 16 46.4 -1.1 3600 Pennsylvania 48.2 51 48.1 0.1 3700 Rhode Island 47.9 25 48.5 -0.6 3800 South Carolina 62.6 68 62.4 0.2 3900 South Dakota 42.5 8 44.6 -2.1 4000 Tennessee 57.7 52 57.6 0.1 4100 Texas 63.6 9 64.6 -1.0 4200 Utah 45.8 3 47.5 -1.7 4300 Vermont 41.3 48 41.3 0.0 4400 Virginia 55.0 62 54.8 0.2 4500 Washington 45.4 24 46.1 -0.7 4600 West Virginia 51.9 73 51.5 0.4 4700 Wisconsin 41.6 26 42.4 -0.8 4800 Wyoming 39.2 7 40.7 -1.5