Delta Cooling Towers, Inc.

Suggested Summer Design Wet Bulb Temperatures for Various U.S. Cities. The chart shows the average percent of time (June thru September) that the wet bulb temperature will equal or exceed the degree. Fahrenheit value shown.

State		Degree F
	City	1%	5%	15%
Alabama	Birmingham	79	77	76
	Mobile	80	79	77
	Montgomery	80	78	76
Arizona	Flagstaff	62	59	57
	Phoenix	77	75	73
	Tucson	73	71	70
	Yuma	79	77	75
Arkansas	Little Rock	80	78	77
California	Bakersfield	72	70	67
	El Centro	81	79	76
	Fresno	73	71	68
	Long Beach	72	69	66
	Los Angeles	69	67	65
	Needles	76	74	72
	Oakland	66	63	60
	Sacramento	72	69	66
	San Diego	71	68	66
	San Francisco	65	62	59
Colorado	Denver	65	63	60
Connecticut	Hartford	77	74	72
Connecticut	New Haven	77	75	72
Delaware	Wilmington	79	76	74
D.C.	(Washington)	78	76	74
Florida	Jacksonville	80	79	77
	Miami	80	79	78
	Pensacola	82	80	79
	Tampa	80	79	77
Georgia	Alma	81	79	77
	Atlanta	78	76	74
	Augusta	80	79	77
	Savannah	81	79	77
Idaho	Boise	68	65	61
Illinois	Chicago	78	75	72
Illinois	Peoria	78	76	72
Indiana	Evansville	79	77	75
	Fort Wayne	77	75	71
	Indianapolis	78	76	73
Iowa	Des Moines	79	76	73
Iowa	Sioux City	79	76	72
Kansas	Wichita	77	75	73
Kentucky	Louisville	79	77	74
Louisiana	New Orleans	81	79	78
Louisiana	Shreveport	81	79	78
Maine	Augusta	74	71	67
	Caribou	72	68	64
	Portland	75	71	67
Maryland	Baltimore	79	77	74
Massachusetts	Boston	76	73	70
Massachusetts	Worcester	75	71	68
Michigan	Detroit	76	74	70
	Flint	77	74	70
	Grand Rapids	76	73	70
	Pellston	74	71	67
Minnesota	Duluth	73	69	65
	Minneapolis	78	74	70
	St. Cloud	77	73	69
Mississippi	Jackson	80	78	77
Mississippi	Greenwood	81	80	78
Missouri	Kansas City	79	76	74
Missouri	St. Louis	79	77	74
Montana	Billings	68	65	62
	Helena	65	61	58
	Missoula	65	61	58
Nebraska	Lincoln	78	76	72
Nebraska	Omaha	79	76	73
Nevada	Reno	64	61	58
Nevada	Las Vegas	72	70	66
New Hampshire	Concord	75	72	68
New Jersey	Camden	79	77	74
New Jersey	Newark	77	75	72
New Mexico	Albuquerque	66	65	63
	Carlsbad	72	71	69
	Santa Fe	65	63	61
New York	Albany	76	73	70
	Buffalo	75	72	69
	New York	77	75	72
	Rochester	75	72	69
	Syracuse	76	73	70
North Carolina	Asheville	76	74	71
	Charlotte	78	76	74
	Greensboro	77	76	73
	Raleigh	79	77	75
	Wilmington	82	80	78
North Dakota	Bismarck	75	71	67
Ohio	Akron	76	74	71
	Canton	76	74	71
	Cincinnati	79	77	74
	Cleveland	76	74	71
	Columbus	78	75	72
	Dayton	77	74	72
	Toledo	77	74	71
	Youngstown	75	73	69
Oklahoma	Oklahoma City	78	76	74
Oklahoma	Tulsa	79	77	75
Oregon	Baker	66	63	59
	Medford	70	66	63
	Portland	69	66	62
	Salem	69	66	62
Pennsylvania	Altoona	75	73	70
	Erie	76	73	70
	Harrisburg	76	74	71
	Philadelphia	78	76	73
	Pittsburgh	75	73	70
Rhode Island	Providence	76	74	70
South Carolina	Charleston	81	79	77
	Columbia	79	78	76
	Greenville	77	75	73
South Dakota	Sioux Falls	77	74	70
Tennessee	Chattanooga	78	77	75
	Knoxville	77	76	74
	Memphis	80	79	77
	Nashville	79	77	75
Texas	Abilene	76	74	72
	Austin	79	77	76
	Corpus Christi	81	80	79
	Dallas	79	78	76
	El Paso	70	68	67
	Fort Worth	78	76	75
	Galveston	82	81	80
	Houston	80	79	78
	Lubbock	73	72	70
	Port Arthur	81	80	79
	San Angelo	74	73	71
	San Antonio	77	76	75
	Wichita Falls	77	76	74
Utah	Salt Lake City	67	64	62
Vermont	Burlington	75	72	68
Virginia	Norfolk	79	78	76
	Richmond	79	77	75
	Roanoke	76	74	72
Washington	Seattle	66	63	60
	Spokane	66	63	60
	Tacoma	66	63	60
	Walla Walla	69	66	63
	Yakima	69	65	62
West Virginia	Charleston	77	75	73
	Elkins	75	72	70
	Parkersburg	78	75	73
Wisconsin	Madison	77	74	70
Wisconsin	Milwaukee	77	73	70
Wyoming	Cheyenne	63	61	59