July 1974 - May 1975 Contiguous U.S. Statewide Average Temperature Degrees Fahrenheit -99 1901-2000 base period 1901-2000 0100 Alabama 61.3 37 61.8 -0.5 0200 Arizona 56.3 5 58 -1.7 0300 Arkansas 58.0 25 58.9 -0.9 0400 California 55.6 22 56.4 -0.8 0500 Colorado 41.8 13 43.1 -1.3 0600 Connecticut 47.0 77 46.5 0.5 0700 Delaware 53.0 69 52.7 0.3 0800 Florida 70.1 95 69.3 0.8 0900 Georgia 62.0 45 62.1 -0.1 1000 Idaho 40.2 20 41.3 -1.1 1100 Illinois 49.4 40 49.9 -0.5 1200 Indiana 49.4 46 49.6 -0.2 1300 Iowa 44.6 31 45.6 -1.0 1400 Kansas 51.3 22 52.4 -1.1 1500 Kentucky 53.3 35 54 -0.7 1600 Louisiana 64.8 41 65.2 -0.4 1700 Maine 38.4 58 38.3 0.1 1800 Maryland 52.3 60 52.2 0.1 1900 Massachusetts 45.7 73 45.3 0.4 2000 Michigan 42.2 77 41.8 0.4 2100 Minnesota 38.0 55 38 0.0 2200 Mississippi 61.8 39 62.4 -0.6 2300 Missouri 52.1 32 52.9 -0.8 2400 Montana 38.5 29 39.6 -1.1 2500 Nebraska 45.9 37 46.6 -0.7 2600 Nevada 47.1 19 48.2 -1.1 2700 New Hampshire 40.9 71 40.6 0.3 2800 New Jersey 50.6 83 49.9 0.7 2900 New Mexico 49.5 5 51.4 -1.9 3000 New York 42.9 58 42.8 0.1 3100 North Carolina 57.0 49 57.2 -0.2 3200 North Dakota 37.4 56 37.6 -0.2 3300 Ohio 48.5 45 48.8 -0.3 3400 Oklahoma 56.6 9 58.2 -1.6 3500 Oregon 45.3 46 45.5 -0.2 3600 Pennsylvania 46.4 56 46.5 -0.1 3700 Rhode Island 47.8 80 47.1 0.7 3800 South Carolina 60.9 45 61 -0.1 3900 South Dakota 42.2 47 42.6 -0.4 4000 Tennessee 55.7 34 56.2 -0.5 4100 Texas 62.0 11 63.3 -1.3 4200 Utah 44.8 21 46 -1.2 4300 Vermont 40.0 75 39.6 0.4 4400 Virginia 53.1 43 53.4 -0.3 4500 Washington 44.9 47 45.1 -0.2 4600 West Virginia 49.6 36 50.1 -0.5 4700 Wisconsin 40.2 51 40.4 -0.2 4800 Wyoming 37.9 19 39.2 -1.3