Cooling and Dehumidification Design Conditions for Illinois
City | Lat. | Long. | Elev. | Std. Pres. | Cooling DB / MCWB | WB / MCDB | DP / MCDB and HR | Range of DB | ||||||||||||||||||
0.4% | 1% | 2% | 0.4% | 1% | 2% | 0.4% | 1% | 2% | ||||||||||||||||||
°N | °W | Meters | kPa | DB | MCWB | DB | MCWB | DB | MCWB | WB | MCDB | WB | MCDB | WB | MCDB | DP | HR | MCDB | DP | HR | MCDB | DP | HR | MCDB | ||
Belleville, Scott AFB | 38.55 | 89.85 | 138 | 99.68 | 35.1 | 25.3 | 33.9 | 24.8 | 32.2 | 24.6 | 26.6 | 33.1 | 25.8 | 32.1 | 25.2 | 31.1 | 24.8 | 20.2 | 30.6 | 24.2 | 19.4 | 29.7 | 23.6 | 18.7 | 29.0 | 11.0 |
Chicago, Meigs Field | 41.78 | 87.75 | 190 | 99.06 | 33.5 | 23.6 | 31.5 | 22.7 | 30.1 | 21.7 | 25.2 | 31.1 | 24.2 | 29.5 | 23.3 | 28.4 | 23.6 | 18.9 | 28.7 | 22.2 | 17.3 | 26.9 | 21.4 | 16.4 | 26.7 | 8.9 |
Chicago, O’Hare Int’l A | 41.98 | 87.90 | 205 | 98.89 | 32.8 | 23.6 | 31.3 | 22.8 | 29.7 | 21.9 | 25.1 | 31.0 | 24.1 | 29.5 | 23.1 | 28.1 | 23.3 | 18.6 | 28.9 | 22.4 | 17.5 | 27.8 | 21.4 | 16.4 | 26.6 | 10.9 |
Decatur | 39.83 | 88.87 | 208 | 98.85 | 34.5 | 24.7 | 32.9 | 24.1 | 31.2 | 23.5 | 26.1 | 32.3 | 25.3 | 31.4 | 24.5 | 30.0 | 24.5 | 20.0 | 30.1 | 23.7 | 19.0 | 29.0 | 22.9 | 18.1 | 28.2 | 11.1 |
Glenview, NAS | 42.08 | 87.82 | 199 | 98.96 | 34.1 | 23.8 | 31.9 | 22.8 | 30.4 | 21.8 | 25.3 | 32.2 | 24.3 | 30.3 | 23.2 | 28.7 | 23.4 | 18.6 | 29.5 | 22.1 | 17.2 | 28.0 | 21.2 | 16.2 | 27.3 | 9.8 |
Marseilles | 41.37 | 88.68 | 225 | 98.65 | 33.8 | 23.6 | 31.7 | 23.0 | 30.2 | 21.9 | 25.5 | 31.6 | 24.4 | 30.1 | 23.5 | 28.8 | 23.9 | 19.3 | 29.4 | 22.8 | 18.0 | 27.6 | 21.6 | 16.7 | 27.2 | 10.8 |
Moline/Davenport IA | 41.45 | 90.52 | 181 | 99.17 | 33.9 | 24.3 | 32.2 | 23.4 | 30.7 | 22.7 | 25.7 | 32.0 | 24.7 | 30.5 | 23.9 | 29.3 | 23.9 | 19.2 | 29.5 | 23.0 | 18.1 | 28.3 | 22.2 | 17.2 | 27.5 | 11.1 |
Peoria | 40.67 | 89.68 | 202 | 98.92 | 33.3 | 24.3 | 31.7 | 23.4 | 30.2 | 22.8 | 25.8 | 31.6 | 24.9 | 30.1 | 23.9 | 29.0 | 24.1 | 19.5 | 29.2 | 23.3 | 18.5 | 28.3 | 22.4 | 17.6 | 27.2 | 10.8 |
Quincy | 39.95 | 91.20 | 234 | 98.55 | 34.6 | 24.4 | 32.9 | 24.1 | 30.9 | 23.2 | 25.7 | 31.7 | 25.0 | 31.2 | 24.2 | 29.5 | 24.2 | 19.7 | 28.8 | 23.5 | 18.8 | 28.0 | 22.8 | 18.0 | 27.6 | 10.5 |
Rockford | 42.20 | 89.10 | 226 | 98.64 | 32.6 | 23.5 | 31.0 | 22.6 | 29.6 | 21.7 | 25.1 | 30.7 | 24.1 | 29.2 | 23.1 | 27.8 | 23.5 | 18.8 | 28.8 | 22.5 | 17.7 | 27.3 | 21.5 | 16.6 | 26.2 | 11.0 |
Springfield | 39.85 | 89.67 | 187 | 99.10 | 34.1 | 24.5 | 32.6 | 24.0 | 31.2 | 23.2 | 26.1 | 31.9 | 25.2 | 30.9 | 24.4 | 29.5 | 24.5 | 19.9 | 29.8 | 23.6 | 18.9 | 28.7 | 22.8 | 17.9 | 27.6 | 10.8 |
West Chicago | 41.92 | 88.25 | 231 | 98.58 | 33.0 | 23.7 | 31.2 | 23.1 | 29.9 | 22.4 | 25.7 | 31.0 | 24.7 | 29.7 | 23.6 | 28.3 | 24.2 | 19.7 | 29.3 | 23.3 | 18.6 | 28.1 | 21.9 | 17.0 | 26.8 | 11.0 |