Heating and Wind Design Conditions for Ireland

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
Belmullet 54.23 N 10.00 W 32 14.683 30 32 39 34 30 45 48 40 47 8 90 11 180 76 26 4.1 3.6
Birr 53.08 N 7.88 W 236 14.575 24 28 23 20 18 28 45 25 45 1 90 7 150 77 20 8.1 5.0
Claremorris 53.72 N 8.98 W 226 14.58 26 28 29 26 22 34 46 30 45 6 70 8 90 77 21 4.3 4.0
Clones 54.18 N 7.23 W 291 14.546 25 28 28 24 21 30 45 28 46 4 60 7 120 78 20 4.1 4.7
Cork 51.85 N 8.48 W 531 14.42 29 32 34 30 27 40 44 34 45 13 40 9 330 75 26 3.6 3.4
Dublin 53.43 N 6.25 W 278 14.552 29 31 31 28 24 35 44 30 44 9 250 11 230 77 26 3.2 3.2
Kilkenny 52.67 N 7.27 W 209 14.589 25 28 27 22 19 29 47 26 47 2 360 7 180 79 20 4.0 4.1
Malin 55.37 N 7.33 W 82 14.656 31 33 45 41 36 50 43 45 43 14 170 16 200 72 28 2.2 3.1
Mullingar 53.53 N 7.37 W 341 14.52 25 28 26 22 20 29 43 26 46 3 70 9 100 77 20 3.8 3.4
Rosslare 52.25 N 6.33 W 82 14.656 32 34 32 29 26 36 41 31 43 15 90 11 220 73 30 3.4 2.3
Shannon 52.70 N 8.92 W 65 14.665 28 31 31 27 23 37 45 31 46 6 70 9 110 78 24 4.3 3.1
Valentia Observatory 51.93 N 10.25 W 45 14.676 31 33 33 30 26 38 47 34 48 7 60 10 270 77 27 4.0 2.7