Heating and Wind Design Conditions for New Zealand

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
Auckland 37.02 S 174.80 E 6 101.25 1.8 2.8 13.7 12.4 11.2 14.5 11.9 12.7 11.9 4.6 240 5.9 20 29.6 1.7 7.6 1.2
Christchurch 43.48 S 172.55 E 34 100.92 -2.2 -1.2 12.0 10.4 9.4 10.9 8.7 9.4 8.7 0.6 280 7.0 300 33.2 -4.0 6.0 0.7
Taiaroa Head 45.77 S 170.73 E 76 100.42 3.1 3.7 23.1 20.5 17.8 23.2 6.8 20.6 6.5 8.3 240 7.8 320 25.3 1.6 1.8 0.8
Wellington 41.33 S 174.80 E 7 101.24 1.8 2.0 18.7 16.8 14.9 17.9 9.9 15.3 10.1 6.3 10 7.7 360 28.7 1.9 8.0 1.2