TAF performance measurement results for NAV CANADA
Forecast Type: BOTH  Issue Time: 0000-2359Z  Hours into TAF:1-6   Month: August  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 170 198 86% 178 203 88% 15 40 NSS
Baie Comeau NCA 809 849 95% 848 886 96% 32 62 NSS
Bathurst NCH 663 733 90% 686 746 92% 8 31 25%
Big Trout Lake NCA 833 852 98% 852 859 99% 9 18 NSS
Blanc Sablon NCH 677 797 85% 736 841 88% 96 279 34%
Buttonville NCH 904 920 98% 907 921 98% 15 28 NSS
Cartwright NCH 766 836 92% 789 850 93% 79 191 41%
Chapleau NCH 362 446 81% 377 449 84% 31 88 35%
Charlottetown NCH 812 905 90% 893 938 95% 27 44 NSS
Chibougamau-Chapais NCH 328 356 92% 359 375 96% 19 30 NSS
Churchill Falls NCA 718 829 87% 772 859 90% 73 122 60%
Deer Lake NCH 781 804 97% 822 837 98% 19 31 NSS
Dorval NCH 1593 1605 99% 1619 1619 100% 4 4 NSS
Dryden NCA 829 873 95% 851 883 96% 25 50 NSS
Earlton NCA 401 422 95% 417 432 97% 18 30 NSS
Fort Severn NCA 182 228 80% 195 235 83% 30 83 37%
Fredericton NCA 799 860 93% 885 916 97% 32 54 NSS
Gander NCH 740 867 85% 977 1056 92% 45 117 38%
Gaspé NCH 810 841 96% 829 854 97% 39 56 NSS
Gatineau NCH 417 430 97% 424 432 98% 5 11 NSS
Geraldton NCH 906 972 93% 952 1007 95% 41 68 60%
Gore Bay NCA 457 481 95% 475 487 98% 14 17 NSS
Halifax NCH 1179 1351 87% 1358 1523 89% 80 209 38%
Hamilton NCH 903 926 97% 923 940 98% 20 26 NSS
Havre St Pierre NCA 718 851 84% 739 881 84% 58 262 22%
Îles de la Madeleine NCH 565 590 96% 586 602 97% 26 33 NSS
Inukjuak NCA 678 813 83% 733 853 86% 83 238 35%
Kapuskasing NCH 821 895 92% 858 931 92% 55 99 55%
Kenora NCH 796 805 99% 813 817 99% 4 5 NSS
Kingston NCH 640 652 98% 658 661 99% 4 5 NSS
Kuujjuaq NCH 710 782 91% 797 856 93% 40 87 45%
Kuujjuarapik NCA 577 760 76% 593 764 78% 143 386 37%
La Grande IV NCA 201 213 95% 206 214 96% 17 22 NSS
La Grande Rivière NCH 781 889 88% 818 918 89% 56 159 35%
London NCH 846 874 97% 865 884 98% 14 19 NSS
Marathon NCH 176 190 92% 176 190 92% 12 29 NSS
Mary's Harbour NCA 472 518 91% 482 530 91% 39 160 24%
Mirabel NCH 889 934 95% 961 981 98% 8 16 NSS
Moncton NCH 789 843 94% 878 894 98% 20 38 NSS
Mont-Joli NCH 806 826 98% 820 837 98% 23 33 NSS
Moosonee NCA 802 900 89% 831 910 91% 65 125 52%
Muskoka NCA 513 517 99% 517 520 100% 8 9 NSS
Muskrat Dam NCA 410 429 96% 417 432 97% 9 18 NSS
Nain NCH 339 370 92% 302 334 90% 45 156 29%
Natashquan NCA 645 790 82% 671 824 81% 86 265 33%
North Bay NCA/NCH 802 911 88% 921 987 93% 68 133 51%
Ottawa NCH 1596 1634 98% 1656 1672 99% 6 13 NSS
Peterborough NCA 663 680 97% 667 681 98% 24 34 NSS
Pickle Lake NCH 428 440 97% 441 446 99% 5 6 NSS
Quebec City NCH 854 878 97% 915 919 100% 11 12 NSS
Red Lake NCH 588 599 98% 603 605 100% 3 5 NSS
Roberval NCH 583 598 97% 595 608 98% 4 7 NSS
Rouyn-Noranda NCH 841 943 89% 916 998 92% 77 117 65%
Sable Island NCA 390 419 93% 419 447 94% 59 97 NSS
Saint John NCH 648 741 87% 745 831 90% 54 260 21%
Sandy Lake NCA 311 324 96% 317 326 97% 5 12 NSS
Sarnia NCA 621 636 98% 642 648 99% 7 8 NSS
Sault Ste Marie NCH 816 901 91% 937 998 94% 70 128 55%
Schefferville NCA 759 886 86% 840 927 91% 95 144 66%
Sept-Îles NCH 756 837 90% 821 896 92% 54 137 39%
Sherbrooke NCA 445 456 98% 452 460 98% 9 11 NSS
Sioux Lookout NCH 843 863 98% 865 879 98% 2 7 NSS
St Anthony NCA 719 836 86% 778 883 88% 90 200 45%
St Catharines NCH 226 227 99% 229 229 100% 1 1 NSS
St Hubert NCA 858 866 99% 878 879 100% 7 7 NSS
St John's NCH 603 748 81% 906 1020 89% 80 155 52%
Stephenville NCH 894 910 98% 917 931 99% 9 12 NSS
Sudbury NCH 812 957 85% 893 1024 87% 26 82 32%
Sydney NCH 764 871 88% 859 943 91% 54 96 56%
Tasiujaq NCH 151 161 94% 154 166 93% 1 11 NSS
Thunder Bay NCH 795 817 97% 848 868 98% 19 43 NSS
Timmins NCH 765 886 86% 912 969 94% 53 76 70%
Toronto City Centre NCA 880 887 99% 896 900 100% 7 13 NSS
Toronto LBPI NCH 1643 1660 99% 1685 1686 100% 0 0 NSS
Trois rivieres NCA 803 843 95% 822 860 96% 25 41 NSS
Val-d'Or NCA/NCH 810 901 90% 971 1001 97% 38 53 NSS
Wabush NCA/NCH 778 843 92% 933 959 97% 49 59 NSS
Waskaganish NCH 141 146 96% 142 147 97% 0 2 NSS
Waterloo/Wellington NCA 887 1019 87% 966 1080 89% 53 104 51%
Wawa NCH 211 227 93% 217 230 95% 15 30 NSS
Wiarton NCH 385 402 96% 396 404 98% 18 22 NSS
Windsor NCH 810 828 98% 825 838 98% 13 16 NSS
Yarmouth NCH 577 657 88% 606 693 87% 98 338 29%
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 770 792 97% 794 802 99% 4 6 NSS
Arctic Bay NCH 144 149 97% 107 118 90% 29 45 NSS
Arviat NCA/NCH 723 759 95% 733 773 95% 23 224 10%
Baker Lake NCH 790 854 93% 842 879 96% 14 36 NSS
Bella Bella NCA 326 384 85% 247 311 79% 59 215 28%
Brandon NCH 783 800 98% 804 812 99% 7 8 NSS
Buffalo Narrows NCH 381 382 100% 381 382 100% 2 2 NSS
Burwash NCA/NCH 780 782 100% 755 764 99% 17 21 NSS
Calgary Intl NCH 1628 1638 99% 1648 1648 100% 5 5 NSS
Cambridge Bay NCH 725 808 90% 782 860 91% 32 79 41%
Campbell River NCH 385 391 99% 399 399 100% 0 0 NSS
Cape Dorset NCA/NCH 795 847 94% 795 847 94% 65 160 41%
Castlegar NCH 400 400 100% 396 398 99% 2 2 NSS
Churchill NCH 737 768 96% 755 800 94% 21 132 16%
Clyde River NCA/NCH 748 852 88% 794 884 90% 89 202 44%
Coral Harbour NCH 774 834 93% 801 866 93% 32 87 37%
Cranbrook NCH 779 779 100% 779 779 100% 1 1 NSS
Dauphin NCA 780 819 95% 785 821 96% 7 19 NSS
Dawson City NCH 349 361 97% 343 360 95% 6 22 NSS
Dawson Creek NCA 411 421 98% 420 426 99% 7 12 NSS
Dease Lake NCA 311 323 96% 307 319 96% 10 12 NSS
Deline NCH 174 187 93% 186 194 96% 16 29 NSS
Edmonton Intl NCH 1548 1613 96% 1634 1669 98% 17 42 NSS
Edmonton Villeneuve NCA 849 937 91% 907 972 93% 20 61 34%
Estevan NCH 372 383 97% 380 393 97% 1 6 NSS
Eureka NCH 454 462 98% 458 464 99% 20 21 NSS
Faro NCH 367 368 100% 367 368 100% 3 3 NSS
Fort Chipewyan NCA 591 609 97% 599 610 98% 19 29 NSS
Fort Good Hope NCH 134 149 90% 138 150 92% 4 13 NSS
Fort McMurray NCA 892 916 97% 904 921 98% 16 21 NSS
Fort McPherson NCH 142 165 86% 152 170 89% 5 19 NSS
Fort Nelson NCH 838 856 98% 845 861 98% 20 27 NSS
Fort Simpson NCH 735 754 97% 745 759 98% 4 7 NSS
Fort Smith NCH 745 824 90% 789 855 92% 14 55 25%
Fort St John NCH 794 816 97% 810 824 98% 3 11 NSS
Gillam NCH 784 917 86% 856 933 92% 13 53 24%
Gjoa Haven NCA/NCH 764 897 85% 804 921 87% 58 146 40%
Grande Prairie NCH 829 872 95% 847 885 96% 3 11 NSS
Hall Beach NCA/NCH 742 830 89% 800 890 90% 39 105 37%
Hay River NCH 769 790 97% 795 811 98% 2 17 NSS
High Level NCA/NCH 823 831 99% 828 833 99% 8 9 NSS
Holman NCH 171 182 94% 183 186 99% 7 15 NSS
Igloolik NCH 84 86 98% 85 89 96% 0 29 NSS
Inuvik NCH 720 833 86% 813 890 91% 31 77 41%
Iqaluit NCH 710 787 90% 765 855 89% 45 150 30%
Island Lake NCH 773 808 96% 786 817 96% 8 19 NSS
Ivujivik NCH 141 158 89% 146 163 90% 17 27 NSS
Kamloops NCH 691 768 90% 673 761 88% 47 106 45%
Kangiqsujuaq NCH N/A N/A N/A N/A N/A N/A N/A N/A NSS
Kangirsuk NCH 129 150 86% 136 157 86% 16 29 NSS
Key Lake NCA 389 427 91% 415 437 95% 17 26 NSS
Kugaaruk NCH 168 182 92% 173 185 93% 5 9 NSS
Kugluktuk NCH 720 882 82% 778 918 85% 66 204 33%
La Ronge NCH 784 797 98% 788 799 99% 3 4 NSS
Lethbridge NCA/NCH 811 834 97% 851 851 100% 5 5 NSS
Lloydminster NCA/NCH 784 870 90% 841 903 93% 16 36 43%
Lutselk'e NCH 140 148 95% 140 148 95% 3 24 NSS
Lynn Lake NCA 797 816 98% 808 821 98% 21 27 NSS
Mackenzie NCA 594 607 98% 601 609 99% 1 6 NSS
Masset NCH 150 187 80% 181 208 87% 20 56 NSS
Mayo NCH 765 776 99% 745 766 97% 10 13 NSS
Medicine Hat NCA/NCH 764 790 97% 781 797 98% 4 6 NSS
Nanaimo NCH 378 378 100% 378 378 100% 3 3 NSS
Norman Wells NCH 802 840 95% 814 852 96% 27 36 NSS
North Battleford NCA 790 802 98% 801 811 99% 17 22 NSS
Norway House NCA 829 854 97% 838 855 98% 12 15 NSS
Old Crow NCH 293 311 94% 282 309 91% 14 31 NSS
Pangnirtung NCA/NCH 139 149 93% 104 106 98% 23 66 NSS
Paulatuk NCH 126 144 88% 136 156 87% 11 44 NSS
Peace River NCH 856 879 97% 864 879 98% 11 19 NSS
Penticton NCH 787 787 100% 787 787 100% 0 0 NSS
Pond Inlet NCA/NCH 750 833 90% 761 841 90% 47 96 49%
Port Hardy NCH 690 794 87% 778 895 87% 61 202 30%
Prince Albert NCH 738 762 97% 745 768 97% 7 12 NSS
Prince George NCA 783 855 92% 824 880 94% 26 68 38%
Prince Rupert NCA 643 786 82% 773 883 88% 60 214 28%
Puvirnituq NCA 729 834 87% 781 880 89% 68 130 52%
Qikiqtarjuaq NCA/NCH 795 882 90% 710 809 88% 121 247 49%
Quaqtaq NCH 124 150 83% 130 158 83% 8 20 NSS
Quesnel NCA 391 446 87% 391 446 87% 24 75 31%
Rae Lake NCH 113 121 93% 113 124 91% 5 21 NSS
Rankin Inlet NCH 763 802 95% 793 836 95% 18 108 17%
Red Deer NCH 854 888 96% 871 902 97% 17 28 NSS
Regina NCH 802 815 98% 816 823 99% 3 4 NSS
Repulse Bay NCH 140 145 96% 147 149 99% 3 4 NSS
Resolute Bay NCH 636 852 75% 891 1052 85% 147 297 49%
Sachs Harbour NCH 96 118 82% 104 125 84% 29 77 NSS
Salluit NCH 126 142 89% 130 144 90% 8 44 NSS
Sandspit NCA 753 824 91% 849 885 96% 17 30 NSS
Saskatoon NCH 768 787 98% 789 798 99% 1 4 NSS
Slave Lake NCA 752 830 91% 767 833 92% 28 55 51%
Smithers NCA/NCH 384 397 97% 394 401 98% 9 13 NSS
Springbank NCA 462 468 99% 472 475 99% 6 8 NSS
Stony Rapids NCA 851 877 97% 864 885 98% 36 46 NSS
Swift Current NCA 797 840 95% 801 842 95% 3 22 NSS
Taloyoak NCH 818 871 94% 835 883 95% 33 79 41%
Terrace NCH 764 823 93% 707 764 93% 42 133 32%
Teslin NCH 365 365 100% 365 365 100% 0 0 NSS
The Pas NCH 798 834 96% 833 841 99% 6 7 NSS
Thompson NCH 792 811 98% 808 823 98% 4 11 NSS
Tofino NCH 259 289 90% 260 289 90% 62 151 41%
Tuktoyaktuk NCH 317 383 83% 396 444 89% 44 97 45%
Vancouver NCH 1482 1486 100% 1491 1491 100% 0 0 NSS
Victoria NCH 739 744 99% 741 746 99% 1 2 NSS
Victoria Harbour NCH 365 365 100% 365 365 100% 0 0 NSS
Watson Lake NCH 774 783 99% 776 783 99% 1 4 NSS
Wekweeti NCA 410 438 94% 414 439 94% 26 53 NSS
Whitecourt NCH 192 204 94% 195 206 95% 8 18 NSS
Whitehorse NCH 759 760 100% 759 760 100% 1 1 NSS
Williams Lake NCH 420 444 95% 433 454 95% 30 48 NSS
Winnipeg NCH 794 814 97% 797 818 97% 8 14 NSS
Yellowknife NCH 782 871 90% 890 929 96% 30 45 NSS
Yorkton NCA 579 594 98% 580 594 98% 3 4 NSS
*Note: NSS stands for Not Statistically Significant
          N/A stands for Not Available