Average performance of TAFs by issuing office for NAV CANADA
        Forecast Type: BOTH   Issue Time: 0000-2359Z   Hours into TAF: 1-6    Month: April   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 49565 55261 90% 56038 60883 92% 4205 10793 39%
Edmonton 63809 68796 93% 67325 71207 95% 2581 5606 46%
National 113374 124056 91% 123363 132090 93% 6786 16399 41%