On 13/04/2009, the forecasts went pear shaped - i.e.
13/04/2009 07:00:00,Ottawa, Canada (Ottawa International Airport),-4,-11.1,58,3.1,102.3,0, 0%,N/A, 0%,N/A, 0%,N/A, 0%,N/A, 0%,N/A, 0%,N/A, 50%,N/A, [FORECAST],Sunny. Mild. Temperature of 10.6°C. Winds ENE 2.7 m/s. Humidity will be 42% with a dewpoint of -2.2°C and feels-like temperature of 10.6°C.
13/04/2009 08:00:00,Ottawa, Canada (Ottawa International Airport),-2,-11.1,50,4.5,102.4,0, [FORECAST],-17.8°C.
13/04/2009 09:00:00,Ottawa, Canada (Ottawa International Airport),1,-11.1,40,4.9,102.3,0, 0%,N/A, 0%,N/A, 0%,N/A, 0%,N/A, 0%,N/A, 0%,N/A, 50%,N/A, [FORECAST],Sunny. Mild. Temperature of 10.6°C. Winds ENE 2.7 m/s. Humidity will be 42% with a dewpoint of -2.2°C and feels-like temperature of 10.6°C.
13/04/2009 10:00:00,Ottawa, Canada (Ottawa International Airport),1,-11.1,40,5.4,102.3,0, 0%,N/A, 0%,N/A, 0%,N/A, 0%,N/A, 0%,N/A, 10%,N/A, 50%,N/A, [FORECAST],Sunny. Mild. Temperature of 10°C. Winds NE 2.7 m/s. Humidity will be 44% with a dewpoint of -1.7°C and feels-like temperature of 10°C.
13/04/2009 11:00:00,Ottawa, Canada (Ottawa International Airport),3,-11.1,35,4.5,102.3,0, [FORECAST],-17.8°C.
13/04/2009 12:00:00,Ottawa, Canada (Ottawa International Airport),4,-11.1,33,4.9,102.2,0, [FORECAST],-17.8°C.
13/04/2009 13:00:00,Ottawa, Canada (Ottawa International Airport),6,-10.6,31,6.7,102.1,0, [FORECAST],-17.8°C.
13/04/2009 14:00:00,Ottawa, Canada (Ottawa International Airport),6,-11.7,28,4.5,102,0, 0%,N/A, 0%,N/A, 0%,N/A, 0%,N/A, 0%,N/A, 10%,N/A, 50%,N/A, [FORECAST],Sunny. Mild. Temperature of 10°C. Winds NE 2.7 m/s. Humidity will be 44% with a dewpoint of -1.7°C and feels-like temperature of 10°C.
13/04/2009 15:00:00,Ottawa, Canada (Ottawa International Airport),8,-11.7,25,4.9,102,0, 0%,N/A, 0%,N/A, 0%,N/A, 0%,N/A, 0%,N/A, 10%,N/A, 50%,N/A, [FORECAST],Sunny. Mild. Temperature of 10°C. Winds NE 2.7 m/s. Humidity will be 44% with a dewpoint of -1.7°C and feels-like temperature of 10°C.
13/04/2009 16:00:00,Ottawa, Canada (Ottawa International Airport),9,-11.7,23,4.9,101.9,0, [FORECAST],-17.8°C.
13/04/2009 17:00:00,Ottawa, Canada (Ottawa International Airport),9,-12.2,21,5.4,101.8,0, [FORECAST],-17.8°C.
13/04/2009 18:00:00,Ottawa, Canada (Ottawa International Airport),9,-13.3,20,4.9,101.8,0, [FORECAST],-17.8°C.
Now only the -17.8 C appears.
Using the latest version.