| TAF performance measurement results for NAV CANADA | ||||||||||
| Forecast Type: BOTH Issue Time: 0000-2359Z Hours into TAF:1-6 Months: August Year(s): 2014 | ||||||||||
| 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 |
| Baie Comeau | NCA | 696 | 745 | 93% | 747 | 775 | 96% | 37 | 55 | NSS |
| Bathurst | CWO | 580 | 609 | 95% | 595 | 615 | 97% | 16 | 33 | NSS |
| Big Trout Lake | NCA | 755 | 845 | 89% | 789 | 857 | 92% | 46 | 100 | 46% |
| Blanc Sablon | CWO | 672 | 848 | 79% | 747 | 915 | 82% | 100 | 319 | 31% |
| Buttonville | CWO | 899 | 937 | 96% | 917 | 950 | 96% | 25 | 51 | NSS |
| Cartwright | CWO | 745 | 805 | 92% | 747 | 806 | 93% | 71 | 271 | 26% |
| Chapleau | CWO | 356 | 413 | 86% | 363 | 419 | 87% | 15 | 89 | 17% |
| Charlottetown | NCH | 777 | 847 | 92% | 858 | 897 | 96% | 31 | 46 | NSS |
| Chibougamau-Chapais | CWO | 301 | 337 | 89% | 321 | 348 | 92% | 25 | 37 | NSS |
| Churchill Falls | NCA | 116 | 116 | 100% | 116 | 116 | 100% | 0 | 0 | NSS |
| Deer Lake | NCH | 821 | 865 | 95% | 943 | 960 | 98% | 21 | 29 | NSS |
| Dorval | NCH | 1545 | 1587 | 97% | 1605 | 1618 | 99% | 4 | 7 | NSS |
| Dryden | NCA | 813 | 916 | 89% | 921 | 987 | 93% | 37 | 63 | 59% |
| Earlton | NCA | 406 | 432 | 94% | 430 | 446 | 96% | 18 | 27 | NSS |
| Fredericton | NCA | 833 | 942 | 88% | 915 | 986 | 93% | 35 | 73 | 48% |
| Gander | NCH | 598 | 773 | 77% | 936 | 1065 | 88% | 88 | 299 | 29% |
| Gaspé | NCH | 775 | 806 | 96% | 800 | 820 | 98% | 42 | 74 | NSS |
| Gatineau | NCH | 395 | 400 | 99% | 402 | 405 | 99% | 5 | 7 | NSS |
| Geraldton | CWO | 819 | 944 | 87% | 855 | 968 | 88% | 83 | 178 | 47% |
| Gore Bay | NCA | 355 | 389 | 91% | 370 | 400 | 92% | 19 | 54 | NSS |
| Halifax | NCH | 1335 | 1471 | 91% | 1586 | 1681 | 94% | 74 | 164 | 45% |
| Hamilton | NCH | 880 | 911 | 97% | 908 | 946 | 96% | 22 | 48 | NSS |
| Havre St Pierre | NCA | 720 | 789 | 91% | 739 | 814 | 91% | 91 | 166 | 55% |
| Îles de la Madeleine | NCH | 582 | 620 | 94% | 635 | 641 | 99% | 24 | 25 | NSS |
| Inukjuak | AWOS/CARS | 727 | 840 | 87% | 780 | 874 | 89% | 113 | 231 | 49% |
| Ivujivik | CARS | 115 | 131 | 87% | 119 | 136 | 88% | 14 | 58 | NSS |
| Kapuskasing | CWO | 769 | 865 | 89% | 843 | 920 | 92% | 62 | 125 | 49% |
| Kenora | NCH | 789 | 888 | 89% | 833 | 928 | 90% | 32 | 72 | 44% |
| Kingston | NCH | 588 | 603 | 98% | 611 | 618 | 99% | 9 | 14 | NSS |
| Kuujjuaq | NCH | 734 | 850 | 86% | 848 | 916 | 93% | 30 | 81 | 37% |
| Kuujjuarapik | NCA | 662 | 784 | 84% | 721 | 823 | 88% | 119 | 303 | 39% |
| La Grande IV | NCA | 206 | 209 | 98% | 210 | 214 | 98% | 9 | 14 | NSS |
| La Grande Rivière | NCH | 748 | 860 | 87% | 780 | 886 | 88% | 69 | 216 | 32% |
| London | NCH | 910 | 950 | 96% | 968 | 994 | 97% | 31 | 57 | NSS |
| Marathon | CWO | 168 | 177 | 95% | 168 | 177 | 95% | 18 | 38 | NSS |
| Mary's Harbour | NCA/CWO | 468 | 524 | 89% | 481 | 531 | 91% | 62 | 180 | 35% |
| Mirabel | NCH | 819 | 857 | 96% | 885 | 896 | 99% | 2 | 6 | NSS |
| Moncton | NCA/NCH | 815 | 881 | 93% | 941 | 966 | 97% | 30 | 41 | NSS |
| Mont-Joli | NCH | 749 | 795 | 94% | 760 | 808 | 94% | 32 | 87 | 37% |
| Moosonee | NCA | 363 | 389 | 93% | 389 | 406 | 96% | 18 | 37 | NSS |
| Muskoka | NCA | 596 | 642 | 93% | 612 | 651 | 94% | 22 | 33 | NSS |
| Nain | CWO | 358 | 379 | 94% | 335 | 354 | 95% | 67 | 132 | 51% |
| Natashquan | AWOS | 691 | 813 | 85% | 706 | 826 | 85% | 65 | 165 | 40% |
| North Bay | NCA/NCH | 727 | 822 | 88% | 837 | 914 | 92% | 54 | 103 | 52% |
| Ottawa | NCH | 1529 | 1596 | 96% | 1671 | 1684 | 99% | 0 | 4 | NSS |
| Peterborough | NCA | 602 | 612 | 98% | 609 | 618 | 99% | 38 | 56 | NSS |
| Pickle Lake | NCA/NCH | 428 | 458 | 93% | 453 | 469 | 97% | 12 | 29 | NSS |
| Puvirnituq | NCA | 726 | 842 | 86% | 779 | 904 | 86% | 71 | 197 | 36% |
| Quaqtaq | CARS | 130 | 135 | 96% | 130 | 136 | 96% | 12 | 24 | NSS |
| Quebec City | NCH | 947 | 978 | 97% | 1007 | 1022 | 99% | 19 | 24 | NSS |
| Red Lake | NCA/NCH | 554 | 603 | 92% | 576 | 621 | 93% | 30 | 55 | NSS |
| Roberval | NCH | 590 | 628 | 94% | 603 | 631 | 96% | 6 | 34 | NSS |
| Rouyn-Noranda | NCH | 702 | 783 | 90% | 735 | 806 | 91% | 55 | 125 | 44% |
| Sable Island | NCA | 345 | 377 | 91% | 345 | 377 | 91% | 35 | 61 | NSS |
| Saint John | NCH | 678 | 792 | 86% | 817 | 903 | 90% | 78 | 245 | 32% |
| Sarnia | NCA | 654 | 668 | 98% | 685 | 689 | 99% | 11 | 13 | NSS |
| Sault Ste Marie | NCH | 743 | 839 | 89% | 853 | 932 | 92% | 48 | 122 | 39% |
| Schefferville | AWOS | 707 | 731 | 97% | 731 | 752 | 97% | 38 | 66 | NSS |
| Sept-Îles | NCH | 705 | 759 | 93% | 769 | 813 | 95% | 45 | 76 | 59% |
| Sherbrooke | NCA | 420 | 438 | 96% | 443 | 461 | 96% | 24 | 29 | NSS |
| Sioux Lookout | NCH | 803 | 842 | 95% | 841 | 874 | 96% | 34 | 49 | NSS |
| St Anthony | NCA | 694 | 888 | 78% | 830 | 964 | 86% | 126 | 293 | 43% |
| St Catharines | NCH | 210 | 217 | 97% | 216 | 219 | 98% | 2 | 5 | NSS |
| St Hubert | NCA | 876 | 899 | 97% | 892 | 910 | 98% | 14 | 20 | NSS |
| St John's | NCH | 475 | 598 | 79% | 791 | 914 | 87% | 135 | 349 | 39% |
| Stephenville | CWO | 881 | 886 | 99% | 907 | 907 | 100% | 10 | 10 | NSS |
| Sudbury | NCH | 731 | 837 | 87% | 851 | 916 | 93% | 28 | 83 | 34% |
| Sydney | NCH | 812 | 874 | 93% | 897 | 943 | 95% | 71 | 103 | 68% |
| Tasiujaq | CARS | 124 | 130 | 95% | 130 | 134 | 97% | 2 | 7 | NSS |
| Thunder Bay | NCH | 826 | 874 | 94% | 932 | 966 | 96% | 48 | 76 | NSS |
| Timmins | NCH | 730 | 842 | 87% | 868 | 924 | 94% | 42 | 81 | 52% |
| Toronto City Centre | NCA | 887 | 915 | 97% | 923 | 935 | 99% | 16 | 22 | NSS |
| Toronto LBPI | NCH | 1643 | 1688 | 97% | 1722 | 1732 | 99% | 3 | 5 | NSS |
| Trois rivieres | NCA | 817 | 849 | 96% | 847 | 877 | 97% | 14 | 20 | NSS |
| Val-d'Or | NCA/NCH | 725 | 808 | 90% | 854 | 893 | 96% | 44 | 69 | NSS |
| Wabush | NCH | 820 | 834 | 98% | 851 | 857 | 99% | 1 | 5 | NSS |
| Waskaganish | NCH | 117 | 129 | 91% | 125 | 135 | 93% | 7 | 21 | NSS |
| Waterloo/Wellington | NCA | 634 | 657 | 96% | 662 | 680 | 97% | 38 | 57 | NSS |
| Wawa | CWO | 201 | 218 | 92% | 194 | 211 | 92% | 24 | 37 | NSS |
| Wiarton | CWO | 378 | 405 | 93% | 396 | 412 | 96% | 16 | 37 | NSS |
| Windsor | CWO | 950 | 1013 | 94% | 1032 | 1057 | 98% | 25 | 32 | NSS |
| Yarmouth | NCH | 637 | 727 | 88% | 673 | 783 | 86% | 63 | 280 | 23% |
| 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 | 762 | 803 | 95% | 796 | 826 | 96% | 8 | 19 | NSS |
| Arctic Bay | NCH | 141 | 157 | 90% | 124 | 142 | 87% | 17 | 23 | NSS |
| Arviat | NCA/NCH | 788 | 855 | 92% | 823 | 884 | 93% | 35 | 99 | 36% |
| Baker Lake | NCH | 817 | 859 | 95% | 861 | 884 | 97% | 12 | 16 | NSS |
| Bella Bella | NCA | 352 | 406 | 87% | 293 | 370 | 79% | 48 | 145 | 33% |
| Brandon | NCH | 851 | 891 | 96% | 916 | 937 | 98% | 24 | 29 | NSS |
| Buffalo Narrows | NCH | 387 | 403 | 96% | 398 | 409 | 97% | 7 | 13 | NSS |
| Burwash | NCA/NCH | 769 | 769 | 100% | 745 | 761 | 98% | 4 | 8 | NSS |
| Calgary Intl | NCH | 1666 | 1686 | 99% | 1726 | 1738 | 99% | 11 | 14 | NSS |
| Cambridge Bay | CARS | 780 | 911 | 86% | 809 | 938 | 86% | 50 | 147 | 34% |
| Campbell River | NCH | 388 | 396 | 98% | 398 | 399 | 100% | 1 | 2 | NSS |
| Cape Dorset | NCA/NCH | 701 | 816 | 86% | 701 | 816 | 86% | 93 | 249 | 37% |
| Castlegar | NCH | 427 | 427 | 100% | 407 | 413 | 99% | 12 | 15 | NSS |
| Churchill | NCH | 759 | 836 | 91% | 844 | 909 | 93% | 24 | 49 | 48% |
| Clyde River | NCA/NCH | 635 | 784 | 81% | 663 | 817 | 81% | 63 | 178 | 35% |
| Coral Harbour | CARS | 780 | 915 | 85% | 811 | 942 | 86% | 70 | 161 | 44% |
| Cranbrook | NCH | 838 | 849 | 99% | 844 | 852 | 99% | 5 | 6 | NSS |
| Dauphin | NCA | 770 | 828 | 93% | 805 | 847 | 95% | 53 | 67 | NSS |
| Dawson City | NCH | 372 | 391 | 95% | 338 | 379 | 89% | 14 | 49 | 29% |
| Dawson Creek | NCA | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| Dease Lake | NCA | 386 | 392 | 98% | 370 | 375 | 99% | 21 | 28 | NSS |
| Deline | CARS | 150 | 154 | 97% | 150 | 154 | 97% | 8 | 13 | NSS |
| Edmonton Intl | NCH | 1525 | 1575 | 97% | 1588 | 1622 | 98% | 12 | 23 | NSS |
| Edmonton Villeneuve | NCA | 819 | 848 | 97% | 844 | 870 | 97% | 18 | 31 | NSS |
| Estevan | CWO | 390 | 458 | 85% | 414 | 472 | 88% | 10 | 47 | 20% |
| Eureka | CWO | 431 | 433 | 100% | 434 | 435 | 100% | 10 | 11 | NSS |
| Faro | NCH | 398 | 402 | 99% | 380 | 387 | 98% | 10 | 22 | NSS |
| Fort Chipewyan | NCA | 221 | 240 | 92% | 228 | 247 | 93% | 14 | 22 | NSS |
| Fort Good Hope | CARS | 149 | 209 | 71% | 165 | 210 | 78% | 12 | 32 | NSS |
| Fort McMurray | NCA | 833 | 875 | 95% | 877 | 897 | 98% | 13 | 20 | NSS |
| Fort McPherson | NCH | 165 | 170 | 97% | 169 | 174 | 97% | 8 | 10 | NSS |
| Fort Nelson | NCH | 767 | 773 | 99% | 771 | 777 | 99% | 6 | 15 | NSS |
| Fort Simpson | CARS | 772 | 903 | 85% | 835 | 967 | 86% | 33 | 103 | 32% |
| Fort Smith | CARS | 765 | 891 | 86% | 866 | 975 | 89% | 34 | 86 | 39% |
| Fort St John | NCH | 783 | 787 | 100% | 790 | 792 | 100% | 1 | 1 | NSS |
| Gillam | CWO | 876 | 998 | 88% | 933 | 1037 | 90% | 16 | 49 | 33% |
| Gjoa Haven | NCA/NCH | 614 | 850 | 72% | 679 | 894 | 76% | 70 | 238 | 30% |
| Grande Prairie | NCH | 799 | 813 | 98% | 813 | 817 | 99% | 3 | 4 | NSS |
| Hall Beach | NCA/NCH | 730 | 785 | 93% | 752 | 827 | 91% | 43 | 118 | 37% |
| Hay River | CARS | 776 | 870 | 89% | 869 | 918 | 95% | 68 | 131 | 52% |
| High Level | NCA/NCH | 792 | 832 | 95% | 802 | 836 | 96% | 26 | 48 | NSS |
| Holman | CARS | 68 | 68 | 100% | 69 | 69 | 100% | 3 | 3 | NSS |
| Igloolik | CARS | 125 | 149 | 84% | 138 | 153 | 90% | 7 | 26 | NSS |
| Inuvik | ATS/NCH | 718 | 854 | 84% | 829 | 919 | 90% | 49 | 92 | 54% |
| Iqaluit | NCH | 681 | 791 | 86% | 791 | 878 | 90% | 66 | 146 | 45% |
| Island Lake | CWO | 741 | 795 | 93% | 778 | 830 | 94% | 24 | 59 | 40% |
| Kamloops | NCH | 849 | 849 | 100% | 842 | 846 | 100% | 2 | 3 | NSS |
| Kelowna | NCA | 818 | 821 | 100% | 818 | 821 | 100% | 5 | 5 | NSS |
| Key Lake | NCA | 399 | 429 | 93% | 424 | 449 | 94% | 15 | 29 | NSS |
| Kugaaruk | CARS | 139 | 159 | 87% | 147 | 162 | 91% | 11 | 18 | NSS |
| Kugluktuk | CARS | 811 | 835 | 97% | 833 | 848 | 98% | 22 | 35 | NSS |
| La Ronge | NCH | 821 | 853 | 96% | 834 | 859 | 97% | 24 | 38 | NSS |
| Lethbridge | NCH/AWOS | 852 | 904 | 94% | 929 | 946 | 98% | 9 | 13 | NSS |
| Lloydminster | NCA/NCH | 837 | 883 | 95% | 864 | 900 | 96% | 21 | 45 | NSS |
| Lutselk'e | CARS | 145 | 159 | 91% | 147 | 160 | 92% | 5 | 13 | NSS |
| Lynn Lake | NCA | 782 | 871 | 90% | 807 | 899 | 90% | 33 | 75 | 44% |
| Mackenzie | NCA | 567 | 567 | 100% | 567 | 567 | 100% | 0 | 2 | NSS |
| Masset | NCH | 192 | 205 | 94% | 192 | 205 | 94% | 19 | 27 | NSS |
| Mayo | NCH | 815 | 820 | 99% | 723 | 785 | 92% | 31 | 46 | 69% |
| Medicine Hat | NCA/NCH | 865 | 891 | 97% | 885 | 901 | 98% | 18 | 24 | NSS |
| Nanaimo | NCH | 356 | 383 | 93% | 357 | 384 | 93% | 0 | 6 | NSS |
| Norman Wells | NCH | 817 | 864 | 95% | 862 | 894 | 96% | 14 | 30 | NSS |
| North Battleford | NCA | 759 | 802 | 95% | 771 | 814 | 95% | 27 | 42 | NSS |
| Norway House | NCA | 800 | 838 | 95% | 826 | 855 | 97% | 30 | 46 | NSS |
| Old Crow | NCH | 278 | 281 | 99% | 274 | 279 | 98% | 6 | 8 | NSS |
| Pangnirtung | NCA/NCH | 112 | 113 | 99% | 54 | 64 | 85% | 19 | 56 | NSS |
| Paulatuk | CARS | 119 | 154 | 77% | 132 | 159 | 83% | 3 | 17 | NSS |
| Peace River | NCH | 766 | 774 | 99% | 782 | 782 | 100% | 3 | 3 | NSS |
| Penticton | NCH | 796 | 796 | 100% | 779 | 788 | 99% | 2 | 8 | NSS |
| Pond Inlet | NCA/NCH | 789 | 835 | 95% | 794 | 838 | 95% | 20 | 33 | NSS |
| Port Hardy | NCH | 831 | 896 | 93% | 914 | 961 | 95% | 53 | 81 | 66% |
| Prince Albert | NCH | 859 | 892 | 96% | 889 | 919 | 97% | 22 | 32 | NSS |
| Prince George | NCA | 808 | 811 | 100% | 812 | 815 | 100% | 4 | 5 | NSS |
| Prince Rupert | NCA | 655 | 828 | 79% | 748 | 912 | 82% | 55 | 157 | 35% |
| Qikiqtarjuaq | NCA/NCH | 729 | 825 | 88% | 595 | 721 | 83% | 87 | 214 | 41% |
| Quesnel | NCA | 456 | 493 | 92% | 453 | 492 | 92% | 25 | 46 | NSS |
| Rae Lake | NCH | 131 | 138 | 95% | 132 | 138 | 96% | 10 | 24 | NSS |
| Rankin Inlet | NCH | 797 | 872 | 91% | 836 | 909 | 92% | 13 | 46 | 28% |
| Red Deer | NCH | 885 | 913 | 97% | 891 | 914 | 97% | 34 | 59 | NSS |
| Regina | NCH | 825 | 915 | 90% | 894 | 957 | 93% | 31 | 59 | 51% |
| Repulse Bay | NCH | 104 | 114 | 91% | 107 | 117 | 91% | 1 | 13 | NSS |
| Resolute | CARS | 551 | 735 | 75% | 662 | 840 | 79% | 116 | 366 | 32% |
| Sachs Harbour | CARS | 88 | 102 | 86% | 89 | 105 | 85% | 5 | 28 | NSS |
| Sandspit | NCA | 773 | 810 | 96% | 803 | 825 | 97% | 23 | 38 | NSS |
| Saskatoon | NCH | 855 | 889 | 96% | 907 | 915 | 99% | 12 | 16 | NSS |
| Slave Lake | NCA | 622 | 623 | 100% | 627 | 628 | 100% | 5 | 5 | NSS |
| Smithers | NCA/NCH | 376 | 377 | 100% | 376 | 377 | 100% | 3 | 5 | NSS |
| Springbank | NCA | 445 | 458 | 97% | 467 | 476 | 98% | 4 | 11 | NSS |
| Stony Rapids | NCA | 858 | 921 | 93% | 869 | 925 | 94% | 71 | 99 | 71% |
| Swift Current | NCA | 851 | 970 | 88% | 876 | 989 | 89% | 38 | 106 | 36% |
| Taloyoak | CARS | 742 | 858 | 86% | 809 | 896 | 90% | 78 | 117 | 66% |
| Terrace | NCH | 759 | 783 | 97% | 781 | 801 | 98% | 9 | 23 | NSS |
| Teslin | CARS | 371 | 371 | 100% | 371 | 371 | 100% | 1 | 1 | NSS |
| The Pas | CWO | 851 | 863 | 99% | 861 | 869 | 99% | 10 | 12 | NSS |
| Thompson | ATS | 846 | 873 | 97% | 890 | 908 | 98% | 13 | 17 | NSS |
| Tofino | CWO | 294 | 332 | 88% | 302 | 346 | 88% | 57 | 157 | 36% |
| Tuktoyaktuk | CARS | 287 | 346 | 83% | 338 | 392 | 86% | 28 | 81 | 34% |
| Vancouver | NCH | 1534 | 1570 | 98% | 1591 | 1591 | 100% | 0 | 0 | NSS |
| Victoria | NCH | 741 | 773 | 96% | 760 | 788 | 96% | 3 | 25 | NSS |
| Victoria Harbour | ATS | 380 | 402 | 95% | 383 | 408 | 94% | 16 | 26 | NSS |
| Watson Lake | CARS | 809 | 825 | 98% | 814 | 826 | 99% | 2 | 6 | NSS |
| Wekweeti | NCA | 381 | 412 | 92% | 385 | 415 | 93% | 45 | 74 | NSS |
| Whitecourt | NCH | 190 | 200 | 95% | 202 | 207 | 98% | 5 | 13 | NSS |
| Whitehorse | NCH | 764 | 766 | 100% | 769 | 771 | 100% | 0 | 1 | NSS |
| Williams Lake | NCH | 861 | 913 | 94% | 870 | 914 | 95% | 15 | 27 | NSS |
| Winnipeg | NCH/AA | 803 | 878 | 91% | 951 | 962 | 99% | 8 | 14 | NSS |
| Yellowknife | NCH | 777 | 874 | 89% | 846 | 925 | 91% | 36 | 85 | 42% |
| Yorkton | NCA | 638 | 667 | 96% | 655 | 680 | 96% | 27 | 38 | NSS |
| *Note: NSS stands for Not Statistically Significant | ||||||||||
| N/A stands for Not Available | ||||||||||