Heating and Wind Design Conditions for Michigan

City Lat. Long. Elev. Std. Pres. Heating Dry Bulb, °F Extreme Wind Speed, mph Coldest Month WS / MCDB MCWS / MCWD to DB Annual Extreme Daily
0.4% 1% 99.6% 0.4% Mean DB Std. DB
°N °W Feet psia 99.6% 99% 1% 2.5% 5% WS MCDB WS MCDB MCWS PWD MCWS PWD Max Min Max Min
Alpena 45.07 83.57 692 14.332 -7 -1 21 19 17 22 20 19 20 5 270 11 240 93 -17 3.4 5.9
Detroit, Metro 42.23 83.33 663 14.347 0 5 27 23 21 28 28 24 27 11 240 13 230 95 -7 3.0 5.4
Flint 42.97 83.75 764 14.294 -2 3 25 22 20 27 24 23 23 8 230 13 230 93 -10 3.1 5.0
Grand Rapids 42.88 85.52 804 14.274 0 5 25 22 20 26 25 23 24 8 180 13 240 93 -9 2.1 5.3
Hancock 47.17 88.50 1079 14.131 -9 -4 21 19 18 23 18 20 16 8 270 10 250 90 -16 2.9 5.6
Harbor Beach 44.02 82.80 600 14.379 9 12 26 22 19 26 27 23 27 10 220 9 230 94 2 2.9 4.1
Jackson 42.27 84.47 1001 14.172 -3 4 20 19 17 23 22 20 23 9 240 11 210 93 -11 2.5 5.6
Lansing 42.77 84.60 873 14.238 -3 2 26 23 20 28 23 25 24 8 290 13 250 94 -13 2.8 5.9
Marquette, Sawyer AFB 46.35 87.40 1220 14.059 -11 -6 24 21 18 26 18 23 17 6 280 10 210 91 -18 4.7 4.7
Marquette/Ishpeming A 46.53 87.55 1424 13.955 -13 -8 22 19 18 22 20 20 16 8 270 11 230 90 -22 4.5 4.5
Mount Clemens, Angb 42.62 82.83 581 14.390 3 7 21 18 16 25 21 21 24 7 280 9 230 95 -3 4.0 2.7
Muskegon 43.17 86.25 633 14.362 3 7 27 24 22 28 25 25 26 10 290 12 200 90 -5 2.7 5.0
Oscoda, Wurtsmith AFB 44.45 83.40 633 14.362 0 3 21 19 17 23 26 21 24 6 220 11 200 95 -7 4.1 4.7
Pellston 45.57 84.80 719 14.318 -9 -3 26 23 20 28 22 24 22 4 300 14 250 92 -21 3.1 4.9
Saginaw 43.53 84.08 669 14.343 0 4 23 21 19 25 22 22 23 10 260 13 240 96 -6 5.8 4.5
Sault Ste. Marie 46.47 84.37 725 14.314 -12 -7 23 20 18 24 19 21 18 7 90 10 230 89 -22 3.5 5.4
Seul Choix Point 45.92 85.92 591 14.385 0 4 28 24 22 30 27 26 27 9 300 8 200 82 -5 2.3 6.3
Traverse City 44.73 85.58 623 14.367 -3 2 21 19 18 23 23 21 23 7 180 13 230 94 -13 2.8 7.3