TAF performance measurement results for NAV CANADA
Forecast Type: BOTH  Issue Time: 0000-2359Z  Hours into TAF:1-6   Month: July  Year: 2017
Canadian Meteorological Aviation Centre/East (Montreal)
Station VFR Category Above IFR Alternate Category Below IFR Alternate Category
Station Station Type 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
Attawapiskat NCA 209 215 97% 214 217 99% 5 8 NSS
Baie Comeau NCA 790 836 94% 808 861 94% 9 53 17%
Bathurst NCH 636 650 98% 639 657 97% 5 36 NSS
Big Trout Lake NCA 829 876 95% 848 883 96% 11 27 NSS
Blanc Sablon NCH 662 813 81% 743 855 87% 123 443 28%
Buttonville NCH 862 904 95% 887 935 95% 32 76 42%
Cartwright NCH 741 815 91% 765 823 93% 70 226 31%
Chapleau NCH 381 419 91% 386 420 92% 8 26 NSS
Charlottetown NCH 789 831 95% 849 869 98% 19 39 NSS
Chibougamau-Chapais NCH 411 416 99% 428 432 99% 6 9 NSS
Churchill Falls NCA 851 926 92% 888 940 94% 43 65 66%
Deer Lake NCH 817 857 95% 864 889 97% 22 34 NSS
Dorval NCH 1622 1665 97% 1699 1703 100% 4 4 NSS
Dryden NCA 866 893 97% 917 934 98% 10 15 NSS
Earlton NCA 426 426 100% 426 426 100% 2 2 NSS
Fort Severn NCA 206 220 94% 212 223 95% 8 29 NSS
Fredericton NCA 785 838 94% 859 884 97% 27 51 NSS
Gander NCH 694 826 84% 868 998 87% 52 132 39%
Gaspé NCH 877 894 98% 879 897 98% 26 66 NSS
Gatineau NCH 421 427 99% 432 436 99% 2 4 NSS
Geraldton NCH 877 914 96% 901 921 98% 19 29 NSS
Gore Bay NCA 396 424 93% 415 434 95% 10 17 NSS
Halifax NCH 1169 1275 92% 1369 1500 91% 62 294 21%
Hamilton NCH 872 927 94% 929 969 96% 16 80 20%
Havre St Pierre NCA 707 791 89% 723 818 88% 35 137 25%
Îles de la Madeleine NCH 521 539 97% 539 552 98% 22 51 NSS
Inukjuak NCA 729 839 87% 792 897 88% 143 293 49%
Kapuskasing NCH 822 845 97% 831 849 98% 16 37 NSS
Kenora NCH 870 898 97% 890 909 98% 37 48 NSS
Kingston NCH 591 631 94% 638 656 97% 2 8 NSS
Kuujjuaq NCH 821 881 93% 928 956 97% 31 66 NSS
Kuujjuarapik NCA 771 862 89% 798 873 91% 98 210 46%
La Grande IV NCA 226 236 96% 233 238 98% 9 10 NSS
La Grande Rivière NCH 784 905 87% 831 936 89% 27 141 19%
London NCH 848 900 94% 917 951 96% 38 82 47%
Marathon NCH 171 190 90% 171 190 90% 8 23 NSS
Mary's Harbour NCA 580 612 95% 598 623 96% 52 86 NSS
Mirabel NCH 929 991 94% 1059 1064 99% 8 14 NSS
Moncton NCH 771 812 95% 830 870 95% 19 49 NSS
Mont-Joli NCH 841 869 97% 850 876 97% 19 45 NSS
Moosonee NCA 889 925 96% 915 937 98% 35 50 NSS
Muskoka NCA 626 646 97% 643 658 98% 16 22 NSS
Muskrat Dam NCA 417 420 99% 420 423 100% 7 8 NSS
Nain NCH 370 394 94% 325 348 93% 45 137 33%
Natashquan NCA 772 850 91% 792 870 91% 61 176 34%
North Bay NCA/NCH 814 909 90% 882 957 92% 22 56 39%
Ottawa NCH 1585 1646 96% 1716 1735 99% 10 17 NSS
Peterborough NCA 653 692 94% 669 700 96% 14 19 NSS
Pickle Lake NCH 390 395 99% 394 396 99% 6 8 NSS
Quebec City NCH 902 959 94% 981 1008 97% 13 21 NSS
Red Lake NCH 633 638 99% 647 648 100% 5 6 NSS
Roberval NCH 645 647 100% 650 652 100% 1 3 NSS
Rouyn-Noranda NCH 894 933 96% 928 962 96% 23 35 NSS
Sable Island NCA 213 262 81% 222 275 81% 59 279 21%
Saint John NCH 644 731 88% 773 861 90% 65 288 23%
Sandy Lake NCA 373 376 99% 380 383 99% 8 11 NSS
Sarnia NCA 645 660 98% 681 686 99% 13 22 NSS
Sault Ste Marie NCH 859 917 94% 963 1006 96% 51 68 NSS
Schefferville NCA 805 855 94% 839 876 96% 71 113 63%
Sept-Îles NCH 807 858 94% 833 884 94% 20 84 24%
Sherbrooke NCA 470 480 98% 485 488 99% 8 11 NSS
Sioux Lookout NCH 835 856 98% 853 870 98% 22 31 NSS
St Anthony NCA 730 802 91% 774 837 92% 103 224 46%
St Catharines NCH 234 241 97% 237 243 98% 3 6 NSS
St Hubert NCA 942 984 96% 994 1021 97% 7 14 NSS
St John's NCH 650 756 86% 913 1025 89% 84 176 48%
Stephenville NCH 811 878 92% 841 898 94% 40 111 36%
Sudbury NCH 837 903 93% 887 937 95% 11 22 NSS
Sydney NCH 755 840 90% 835 923 90% 63 209 30%
Tasiujaq NCH 112 121 92% 117 124 95% 4 14 NSS
Thunder Bay NCH 846 868 97% 884 894 99% 5 29 NSS
Timmins NCH 813 840 97% 858 871 99% 11 19 NSS
Toronto City Centre NCA 921 946 97% 969 981 99% 17 28 NSS
Toronto LBPI NCH 1640 1659 99% 1720 1722 100% 0 0 NSS
Trois rivieres NCA 829 929 89% 872 960 91% 31 73 42%
Val-d'Or NCA/NCH 915 958 96% 993 998 100% 7 8 NSS
Wabush NCA/NCH 825 842 98% 873 880 99% 14 19 NSS
Waskaganish NCH 148 152 97% 152 154 98% 6 7 NSS
Waterloo/Wellington NCA 857 928 92% 901 965 93% 38 107 35%
Wawa NCH 211 234 90% 214 235 91% 17 50 NSS
Wiarton NCH 401 447 90% 424 453 94% 33 51 NSS
Windsor NCH 904 929 97% 936 945 99% 17 20 NSS
Yarmouth NCH 544 619 88% 605 678 89% 100 415 24%
Canadian Meteorological Aviation Centre/West (Edmonton)
Station VFR Category Above IFR Alternate Category Below IFR Alternate Category
Station Station Type Correct Forecasts (hours) Total Forecasts (hours) Reliability Index Correct Forecasts (hours) Total Forecasts (hours) Alternate Reliability Index False Alarm (hours) Total Forecasts (hours) *Below Alternate False Alarm Ratio
Abbotsford NCH 767 770 100% 770 770 100% 0 0 NSS
Arctic Bay NCH 131 138 95% 107 116 92% 18 38 NSS
Arviat NCA/NCH 902 950 95% 917 961 95% 21 56 38%
Baker Lake NCH 869 873 99% 875 875 100% 4 4 NSS
Bella Bella NCA 469 530 89% 408 494 83% 46 96 48%
Brandon NCH 895 909 99% 910 921 99% 11 16 NSS
Buffalo Narrows NCH 436 459 95% 444 459 97% 7 13 NSS
Burwash NCA/NCH 875 888 99% 784 823 95% 65 77 NSS
Calgary Intl NCH 1686 1712 99% 1728 1729 100% 0 0 NSS
Cambridge Bay NCH 916 936 98% 933 951 98% 8 11 NSS
Campbell River NCH 391 392 100% 393 393 100% 1 1 NSS
Cape Dorset NCA/NCH 761 902 84% 761 902 84% 70 221 32%
Castlegar NCH 401 401 100% 401 401 100% 0 0 NSS
Churchill NCH 835 881 95% 881 931 95% 36 77 46%
Clyde River NCA/NCH 621 821 76% 691 890 78% 99 333 30%
Coral Harbour NCH 871 938 93% 884 949 93% 14 41 33%
Cranbrook NCH 821 822 100% 828 828 100% 0 0 NSS
Dauphin NCA 594 604 98% 601 609 99% 10 12 NSS
Dawson City NCH 398 402 99% 390 397 98% 9 18 NSS
Dawson Creek NCA 431 451 96% 442 456 97% 5 8 NSS
Dease Lake NCA 388 390 99% 376 383 98% 8 10 NSS
Deline NCH 145 159 91% 147 159 92% 7 11 NSS
Edmonton Intl NCH 1675 1708 98% 1731 1741 99% 5 7 NSS
Edmonton Villeneuve NCA 940 962 98% 968 984 98% 6 16 NSS
Estevan NCH 424 424 100% 428 428 100% 0 0 NSS
Eureka NCH 430 435 99% 431 437 99% 9 14 NSS
Faro NCH 405 407 100% 405 407 100% 3 6 NSS
Fort Chipewyan NCA 620 642 97% 627 647 97% 12 18 NSS
Fort Good Hope NCH 116 160 73% 157 183 86% 3 8 NSS
Fort McMurray NCA 931 961 97% 942 970 97% 7 15 NSS
Fort McPherson NCH 140 143 98% 141 143 99% 1 1 NSS
Fort Nelson NCH 900 957 94% 932 975 96% 15 41 NSS
Fort Simpson NCH 849 882 96% 869 890 98% 13 21 NSS
Fort Smith NCH 860 903 95% 891 916 97% 7 16 NSS
Fort St John NCH 875 928 94% 922 954 97% 15 27 NSS
Gillam NCH 938 975 96% 956 987 97% 10 20 NSS
Gjoa Haven NCA/NCH 842 955 88% 888 989 90% 40 80 50%
Grande Prairie NCH 892 910 98% 914 921 99% 2 4 NSS
Hall Beach NCA/NCH 819 898 91% 875 956 92% 41 107 38%
Hay River NCH 858 884 97% 883 905 98% 17 32 NSS
High Level NCA/NCH 869 896 97% 880 904 97% 10 20 NSS
Holman NCH 140 142 99% 146 146 100% 9 9 NSS
Igloolik NCH 155 155 100% 156 159 98% 8 19 NSS
Inuvik NCH 782 812 96% 852 863 99% 15 18 NSS
Iqaluit NCH 853 916 93% 903 958 94% 32 66 48%
Island Lake NCH 614 622 99% 619 623 99% 5 5 NSS
Ivujivik NCH 117 143 82% 124 148 84% 7 18 NSS
Kamloops NCH 819 838 98% 817 836 98% 21 32 NSS
Kangiqsujuaq NCH 108 109 99% 111 111 100% 14 14 NSS
Kangirsuk NCH 123 129 96% 125 129 97% 10 12 NSS
Key Lake NCA 414 427 97% 423 429 99% 9 14 NSS
Kugaaruk NCH 143 148 97% 147 151 98% 5 9 NSS
Kugluktuk NCH 949 969 98% 969 982 99% 18 22 NSS
La Ronge NCH 870 878 99% 871 880 99% 8 9 NSS
Lethbridge NCA/NCH 907 913 99% 908 914 99% 5 6 NSS
Lloydminster NCA/NCH 913 963 95% 947 984 96% 23 39 NSS
Lutselk'e NCH 123 124 100% 123 124 100% 2 2 NSS
Lynn Lake NCA 803 847 95% 831 869 96% 17 48 NSS
Mackenzie NCA 628 631 100% 629 631 100% 1 2 NSS
Masset NCH 208 230 91% 232 249 93% 3 11 NSS
Mayo NCH 821 838 98% 767 801 96% 18 53 NSS
Medicine Hat NCA/NCH 864 875 99% 874 878 99% 6 6 NSS
Nanaimo NCH 382 382 100% 384 384 100% 0 0 NSS
Norman Wells NCH 783 799 98% 801 809 99% 8 9 NSS
North Battleford NCA 894 945 95% 914 963 95% 17 33 NSS
Norway House NCA 829 858 97% 843 863 98% 10 21 NSS
Old Crow NCH 305 316 96% 297 315 94% 10 19 NSS
Pangnirtung NCA/NCH 140 147 95% 102 111 92% 21 55 NSS
Paulatuk NCH 121 133 91% 127 138 92% 10 23 NSS
Peace River NCH 861 865 99% 862 866 99% 11 12 NSS
Penticton NCH 779 779 100% 779 779 100% 5 5 NSS
Pond Inlet NCA/NCH 843 919 92% 850 927 92% 12 30 39%
Port Hardy NCH 846 872 97% 871 893 98% 23 33 NSS
Prince Albert NCH 890 922 96% 910 933 98% 15 20 NSS
Prince George NCA 801 813 99% 813 820 99% 4 6 NSS
Prince Rupert NCA 807 892 91% 870 932 93% 15 31 47%
Puvirnituq NCA 808 949 85% 866 988 88% 65 149 44%
Qikiqtarjuaq NCA/NCH 794 938 85% 642 793 81% 125 417 30%
Quaqtaq NCH 119 126 94% 123 129 96% 6 24 NSS
Quesnel NCA 448 488 92% 448 488 92% 18 45 NSS
Rae Lake NCH 159 159 100% 160 160 100% 1 1 NSS
Rankin Inlet NCH 884 892 99% 890 894 100% 8 9 NSS
Red Deer NCH 993 1034 96% 1023 1053 97% 9 29 NSS
Regina NCH 876 880 100% 881 886 99% 8 11 NSS
Repulse Bay NCH 139 143 97% 139 143 97% 2 4 NSS
Resolute Bay NCH 674 863 78% 821 1000 82% 112 275 41%
Sachs Harbour NCH 126 133 95% 131 136 97% 17 25 NSS
Salluit NCH 128 140 92% 139 154 90% 12 25 NSS
Sandspit NCA 819 876 94% 885 919 96% 8 20 NSS
Saskatoon NCH 877 906 97% 895 925 97% 2 13 NSS
Slave Lake NCA 869 890 98% 877 896 98% 12 20 NSS
Smithers NCA/NCH 396 396 100% 396 397 100% 2 3 NSS
Springbank NCA 467 475 98% 481 483 99% 7 8 NSS
Stony Rapids NCA 794 820 97% 809 821 98% 9 12 NSS
Swift Current NCA 865 881 98% 870 884 98% 2 10 NSS
Taloyoak NCH 781 811 96% 794 821 97% 24 35 NSS
Terrace NCH 808 824 98% 767 796 96% 31 44 NSS
Teslin NCH 372 372 100% 372 372 100% 0 0 NSS
The Pas NCH 824 826 100% 833 834 100% 1 1 NSS
Thompson NCH 835 844 99% 852 859 99% 16 24 NSS
Tofino NCH 373 388 96% 378 393 96% 25 43 NSS
Tuktoyaktuk NCH 342 372 92% 369 396 93% 41 84 NSS
Vancouver NCH 1522 1526 100% 1529 1529 100% 0 0 NSS
Victoria NCH 749 749 100% 750 750 100% 0 0 NSS
Victoria Harbour NCH 371 371 100% 371 371 100% 1 1 NSS
Watson Lake NCH 864 867 100% 867 870 100% 1 2 NSS
Wekweeti NCA 381 386 99% 381 386 99% 12 14 NSS
Whitecourt NCH 192 195 98% 193 195 99% 4 6 NSS
Whitehorse NCH 791 824 96% 820 831 99% 4 5 NSS
Williams Lake NCH 279 330 85% 281 330 85% 31 111 28%
Winnipeg NCH 901 913 99% 932 933 100% 3 3 NSS
Yellowknife NCH 788 790 100% 801 805 100% 1 2 NSS
Yorkton NCA 607 617 98% 610 620 98% 7 9 NSS
*Note: NSS stands for Not Statistically Significant
          N/A stands for Not Available