Average performance of TAFs by issuing office for NAV CANADA
        Forecast Type: BOTH   Issue Time: 0000-2359Z   Hours into TAF: 1-6    Month: May   Year: 2017   
  VFR Category Above IFR Alternate Category Below IFR Alternate Category
EC Weather Centre Location Correct Forecasts (hours) Total Forecasts (hours) VFR Reliability Index Correct Forecasts (hours) Total Forecasts (hours) Alternate Reliability Index False Alarms (hours) Total Forecasts (hours) Below Alternate False Alarm Ratio
Montreal 51929 57146 91% 57911 62156 93% 3883 10096 38%
Edmonton 65862 69928 94% 68430 72013 95% 2280 5995 38%
National 117791 127074 93% 126340 134169 94% 6164 16090 38%