Table 1. Weather Design Data
|
| JANUARY |
| JANUARY |
| JULY |
| JULY |
| ||||
|
| Temperature | Relative Humidity (% RH) | Temperature | Relative Humidity (% RH) | ||||||||
|
| Dry | Dry |
|
|
|
|
| Dry | Dry |
|
|
|
|
| Bulb | Bulb | 7:30 |
| 1:30 |
| 7:30 | Bulb | Bulb | 7:30 | 1:30 | 7:30 |
State/Province | City | °F | °C | A.M. |
| P.M. |
| P.M. | °F | °C | A.M. | P.M. | P.M. |
Alabama | Birmingham | 10 | 81 |
| 61 |
| 66 | 95 | 35 | 84 | 56 | 68 | |
| Mobile | 10 |
|
| 95 | 35 | 90 | 64 | 78 | ||||
Arizona | Flagstaff | 83 |
| 58 |
| 90 | 32 | 77 | 36 | ||||
| Phoenix | 25 | 75 |
| 47 |
| 39 | 105 | 41 | 53 | 31 | 23 | |
| Yuma | 30 | 56 |
| 37 |
| 27 | 110 | 44 | 51 | 31 | 23 | |
Arkansas | Little Rock | 5 | 80 |
| 67 |
| 68 | 95 | 35 | 85 | 55 | 59 | |
California | Eureka | 30 | 87 |
|
| 77 | 90 | 32 | 92 | 80 | |||
| Fresno | 25 | 93 |
| 80 |
| 66 | 105 | 41 | 61 | 36 | 20 | |
| Los Angeles | 35 | 2 | 63 |
| 46 |
| 51 | 90 | 32 | 85 | 50 | 54 |
| Sacramento | 30 | 90 |
| 82 |
| 70 | 100 | 38 | 76 | 46 | 28 | |
| San Diego | 35 | 2 | 76 |
| 58 |
| 60 | 85 | 29 | 86 | 68 | 65 |
| San Francisco | 35 | 2 | 84 |
| 68 |
| 70 | 85 | 29 | 92 | 75 | 78 |
Colorado | Denver | 54 |
| 37 |
| 41 | 95 | 35 | 55 | 27 | 30 | ||
| Grand Junction | 77 |
| 64 |
| 64 | 95 | 35 | 48 | 27 | 22 | ||
| Pueblo | 67 |
| 44 |
| 48 | 95 | 35 | 73 | 34 | 35 | ||
Connecticut | New Haven | 0 | 75 |
| 65 |
| 69 | 95 | 35 | 77 | 64 | 74 | |
Delaware | Wilmington | 0 | 77 |
| 62 |
| 70 | 95 | 35 | 80 | 52 | 69 | |
District of Columbia | Washington | 0 | 73 |
| 56 |
| 64 | 95 | 35 | 78 | 52 | 64 | |
Florida | Jacksonville | 25 | 89 |
| 56 |
| 75 | 95 | 35 | 85 | 57 | 76 | |
| Miami | 35 | 2 | 87 |
| 59 |
| 75 | 91 | 33 | 83 | 64 | 76 |
Georgia | Atlanta | 10 | 80 |
| 64 |
| 69 | 95 | 35 | 83 | 57 | 68 | |
| Augusta | 10 | 84 |
| 59 |
| 69 | 98 | 37 | 83 | 55 | 69 | |
| Savannah | 20 | 83 |
| 58 |
| 72 | 95 | 35 | 85 | 61 | 80 | |
Idaho | Boise | 82 |
| 75 |
| 74 | 95 | 35 | 54 | 34 | 23 | ||
| Lewiston | 79 |
| 73 |
| 71 | 95 | 35 | 64 | 37 | 25 | ||
Illinois | Cairo | 0 | 81 |
| 69 |
| 98 | 37 | 83 | 57 | |||
| Chicago | 81 |
| 70 |
| 75 | 95 | 35 | 78 | 51 | 55 | ||
| Peoria | 83 |
| 72 |
| 77 | 96 | 35 | 81 | 53 | 58 | ||
Indiana | Fort Wayne | 84 |
| 75 |
| 81 | 95 | 35 | 84 | 53 | 58 | ||
| Indianapolis | 83 |
| 72 |
| 78 | 95 | 35 | 84 | 54 | 60 | ||
| Terre Haute | 0 | 82 |
| 70 |
| 76 | 95 | 35 | 77 | 50 | 56 | |
Iowa | Davenport |
|
| 95 | 35 | ||||||||
| Sioux City | 78 |
| 67 |
| 72 | 95 | 35 | 86 | 55 | 54 | ||
Kansas | Dodge City | 78 |
| 57 |
| 61 | 95 | 35 | 77 | 45 | 52 | ||
| Topeka | 78 |
| 64 |
| 67 | 100 | 38 | 85 | 54 | 54 | ||
Kentucky | Louisville | 0 | 78 |
| 68 |
| 69 | 95 | 35 | 77 | 52 | 57 | |
Louisiana | New Orleans | 20 | 85 |
| 67 |
| 73 | 95 | 35 | 84 | 64 | 72 | |
| Shreveport | 20 | 83 |
| 67 |
| 66 | 100 | 38 | 86 | 56 | 62 | |
Maine | Portland | 81 |
| 65 |
| 74 | 90 | 32 | 78 | 58 | 76 | ||
Maryland | Baltimore | 0 | 72 |
| 68 |
| 56 | 95 | 35 | 71 | 52 | 65 | |
Massachusetts | Boston | 0 | 72 |
| 59 |
| 67 | 92 | 33 | 72 | 55 | 70 | |
Michigan | Detroit | 82 |
| 71 |
| 77 | 95 | 35 | 74 | 50 | 56 | ||
| Grande Rapids | 85 |
| 78 |
| 80 | 95 | 35 | 76 | 51 | 54 | ||
Minnesota | Duluth | 78 |
| 74 |
| 74 | 93 | 33 | 87 | 61 | 66 | ||
| Minneapolis | 82 |
| 72 |
| 75 | 95 | 35 | 82 | 54 | 54 | ||
Mississippi | Vicksburg | 10 | 82 |
| 65 |
| 67 | 95 | 35 | 87 | 61 | 70 |