David Haggas wrote in message ...
:Spring in Calgary. What a difference a day makes.
:Tuesday 30th Max 23 Min 4 /Sunny
:Wednesday 31st Max 0 min -6 /Heavy snow

Cold weather duly arrived at Calgary on Wednesday
http://weather.noaa.gov/weather/current/CYYC.html

Max. temp. 25.4°C and min. temp. 0.8°C on Wednesday (Keith Harris's site);
max. temp. 1.9°C and min. temp. -1.0°C on Thursday (1800 synops).

Colin Youngs
Brussels