Heating and Wind Design Conditions for Bulgaria

City Lat. Long. Elev. Std. Pres. Heating Dry Bulb, °C Extreme Wind Speed, m/s Coldest Month WS / MCDB MCWS / MCWD to DB Annual Extreme Daily
0.4% 1% 99.6% 0.4% Mean DB Std. DB
°N °W Meters kPa 99.6% 99% 1% 2.5% 5% WS MCDB WS MCDB MCWS PWD MCWS PWD Max Min Max Min
Botevgrad 42.67 N 24.83 E 2389 75.73 -21.5 -19.0 34.1 27.8 23.7 34.4 -9.2 28.5 -11.9 13.4 320 3.9 270 19.0 -22.4 1.7 3.4
Burgas 42.48 N 27.48 E 28 100.99 -8.3 -6.2 13.8 10.7 9.5 13.9 3.0 11.4 0.5 4.2 270 4.9 110 34.5 -10.7 1.7 2.9
Lom 43.82 N 23.25 E 33 100.93 -10.0 -7.6 12.4 10.3 8.1 13.8 1.5 11.9 4.7 0.8 270 1.9 50 35.5 -12.7 2.6 4.3
Musala 42.18 N 23.58 E 2927 70.76 -23.4 -20.8 28.2 20.2 16.0 34.3 -7.1 28.3 -8.9 7.5 20 3.3 320 18.6 -24.8 3.8 3.2
Plovdiv 42.13 N 24.75 E 185 99.12 -9.9 -7.1 13.2 11.8 10.2 14.1 4.8 12.2 5.0 1.1 40 2.6 90 37.0 -14.2 2.3 4.0
Ruse 43.85 N 25.95 E 45 100.79 -11.3 -8.8 14.1 11.9 9.4 14.2 4.1 12.1 0.5 2.3 50 3.5 270 38.4 -13.9 3.0 2.7
Sofia 42.65 N 23.38 E 595 94.38 -12.1 -9.9 9.3 7.6 6.4 9.8 0.4 8.2 -0.1 1.1 360 2.4 110 34.3 -16.3 2.7 4.7
Varna 43.20 N 27.92 E 43 100.81 -8.5 -6.5 14.4 11.5 9.4 17.8 -1.7 13.6 0.3 6.7 360 4.0 90 33.3 -10.8 2.2 2.7