| TAF amendment response time results for September 2013 | ||||||||
| Canadian Meteorological Aviation Centre/East (Montreal) | ||||||||
| Station | Number of observations not covered by current TAF | Number responded to by an amended TAF | Number responded to by next regular TAF | Number where weather changed back to match TAF | Number where weather and TAF remained inconsistent | Average response time in minutes | Percentage of TAF responses within 20 minutes | Number of proactive amendments |
| Baie Comeau | 37 | 24 | 1 | 12 | 0 | 14 | 64% | 16 |
| Bathurst | 26 | 23 | 1 | 2 | 0 | 15 | 75% | 13 |
| Big Trout Lake | 18 | 10 | 0 | 8 | 0 | 11 | 80% | 10 |
| Blanc Sablon | 33 | 27 | 2 | 4 | 0 | 15 | 76% | 18 |
| Buttonville | 25 | 20 | 1 | 4 | 0 | 16 | 81% | 16 |
| Cartwright | 15 | 14 | 1 | 0 | 0 | 12 | 87% | 4 |
| Chapleau | 11 | 8 | 0 | 3 | 0 | 18 | 38% | 9 |
| Charlottetown | 41 | 36 | 2 | 3 | 0 | 16 | 79% | 12 |
| Chibougamau-Chapais | 16 | 13 | 0 | 3 | 0 | 22 | 69% | 2 |
| Churchill Falls | 33 | 14 | 3 | 16 | 0 | 12 | 71% | 8 |
| Deer Lake | 15 | 11 | 1 | 3 | 0 | 16 | 50% | 8 |
| Dorval | 12 | 9 | 2 | 1 | 0 | 14 | 73% | 17 |
| Dryden | 27 | 10 | 0 | 17 | 0 | 17 | 60% | 24 |
| Earlton | 31 | 14 | 0 | 17 | 0 | 11 | 71% | 2 |
| Fredericton | 54 | 31 | 2 | 21 | 0 | 10 | 94% | 23 |
| Gander | 39 | 37 | 1 | 1 | 0 | 15 | 74% | 18 |
| Gaspé | 29 | 23 | 1 | 3 | 2 | 17 | 92% | 15 |
| Gatineau | 11 | 8 | 0 | 3 | 0 | 16 | 75% | 6 |
| Geraldton | 36 | 33 | 1 | 2 | 0 | 11 | 85% | 18 |
| Gore Bay | 11 | 5 | 1 | 5 | 0 | 8 | 83% | 8 |
| Halifax | 47 | 27 | 7 | 12 | 1 | 18 | 68% | 24 |
| Hamilton | 39 | 27 | 3 | 9 | 0 | 14 | 83% | 22 |
| Havre St Pierre | 49 | 29 | 2 | 17 | 1 | 14 | 77% | 14 |
| Îles de la Madeleine | 23 | 18 | 1 | 4 | 0 | 17 | 68% | 11 |
| Inukjuak | 34 | 21 | 1 | 12 | 0 | 16 | 59% | 18 |
| Ivujivik | 6 | 6 | 0 | 0 | 0 | 18 | 50% | 7 |
| Kapuskasing | 24 | 21 | 0 | 3 | 0 | 15 | 71% | 11 |
| Kenora | 25 | 22 | 0 | 3 | 0 | 14 | 82% | 21 |
| Kingston | 13 | 12 | 0 | 1 | 0 | 11 | 92% | 8 |
| Kuujjuaq | 16 | 14 | 1 | 1 | 0 | 14 | 73% | 12 |
| Kuujjuarapik | 25 | 18 | 1 | 6 | 0 | 15 | 63% | 14 |
| La Grande IV | 16 | 5 | 0 | 11 | 0 | 11 | 100% | 3 |
| La Grande Rivière | 30 | 26 | 3 | 1 | 0 | 14 | 76% | 18 |
| London | 35 | 22 | 1 | 12 | 0 | 17 | 70% | 24 |
| Marathon | 6 | 5 | 0 | 1 | 0 | 10 | 100% | 13 |
| Mary's Harbour | 44 | 21 | 1 | 22 | 0 | 10 | 77% | 10 |
| Mirabel | 21 | 20 | 0 | 1 | 0 | 13 | 85% | 11 |
| Moncton | 28 | 23 | 0 | 5 | 0 | 13 | 91% | 17 |
| Mont-Joli | 34 | 32 | 1 | 1 | 0 | 13 | 82% | 14 |
| Moosonee | 21 | 7 | 0 | 14 | 0 | 13 | 86% | 4 |
| Muskoka | 23 | 12 | 0 | 11 | 0 | 15 | 67% | 5 |
| Nain | 15 | 14 | 0 | 1 | 0 | 21 | 86% | 3 |
| Natashquan | 39 | 23 | 3 | 13 | 0 | 13 | 69% | 22 |
| North Bay | 47 | 33 | 2 | 12 | 0 | 18 | 66% | 22 |
| Ottawa | 21 | 19 | 1 | 1 | 0 | 14 | 70% | 18 |
| Peterborough | 30 | 13 | 3 | 14 | 0 | 13 | 75% | 20 |
| Pickle Lake | 4 | 3 | 0 | 1 | 0 | 18 | 33% | 8 |
| Puvirnituq | 9 | 7 | 0 | 2 | 0 | 24 | 71% | 7 |
| Quaqtaq | 4 | 3 | 0 | 1 | 0 | 21 | 67% | 3 |
| Quebec City | 28 | 20 | 4 | 2 | 2 | 17 | 83% | 21 |
| Red Lake | 11 | 10 | 1 | 0 | 0 | 12 | 82% | 15 |
| Roberval | 8 | 4 | 1 | 3 | 0 | 12 | 80% | 4 |
| Rouyn-Noranda | 39 | 35 | 1 | 3 | 0 | 18 | 61% | 17 |
| Sable Island | 30 | 19 | 0 | 11 | 0 | 16 | 74% | 11 |
| Saint John | 47 | 43 | 2 | 2 | 0 | 14 | 76% | 11 |
| Sarnia | 5 | 2 | 1 | 2 | 0 | 10 | 67% | 11 |
| Sault Ste Marie | 32 | 23 | 5 | 4 | 0 | 13 | 82% | 17 |
| Schefferville | 41 | 13 | 2 | 26 | 0 | 13 | 73% | 15 |
| Sept-Îles | 23 | 22 | 0 | 1 | 0 | 12 | 95% | 7 |
| Sherbrooke | 27 | 15 | 1 | 11 | 0 | 9 | 81% | 6 |
| Sioux Lookout | 18 | 15 | 1 | 2 | 0 | 19 | 50% | 8 |
| St Anthony | 43 | 25 | 1 | 17 | 0 | 16 | 65% | 17 |
| St Catharines | 5 | 5 | 0 | 0 | 0 | 18 | 80% | 6 |
| St Hubert | 28 | 7 | 0 | 21 | 0 | 10 | 57% | 24 |
| St John's | 43 | 36 | 2 | 5 | 0 | 13 | 87% | 11 |
| Stephenville | 11 | 10 | 1 | 0 | 0 | 16 | 82% | 14 |
| Sudbury | 31 | 27 | 1 | 3 | 0 | 13 | 79% | 18 |
| Sydney | 34 | 29 | 2 | 3 | 0 | 12 | 90% | 19 |
| Tasiujaq | 3 | 3 | 0 | 0 | 0 | 13 | 100% | 4 |
| Thunder Bay | 19 | 16 | 2 | 1 | 0 | 12 | 78% | 17 |
| Timmins | 19 | 18 | 1 | 0 | 0 | 17 | 74% | 7 |
| Toronto City Centre | 28 | 12 | 3 | 13 | 0 | 10 | 93% | 19 |
| Toronto LBPI | 13 | 9 | 2 | 2 | 0 | 15 | 64% | 26 |
| Val-d'Or | 34 | 24 | 2 | 8 | 0 | 15 | 65% | 13 |
| Wabush | 11 | 11 | 0 | 0 | 0 | 11 | 73% | 10 |
| Waskaganish | 2 | 2 | 0 | 0 | 0 | 14 | 100% | 1 |
| Waterloo/Wellington | 38 | 19 | 1 | 18 | 0 | 10 | 95% | 26 |
| Wawa | 14 | 11 | 0 | 3 | 0 | 12 | 91% | 12 |
| Wiarton | 9 | 9 | 0 | 0 | 0 | 11 | 67% | 4 |
| Windsor | 15 | 13 | 1 | 1 | 0 | 9 | 93% | 20 |
| Yarmouth | 45 | 33 | 5 | 7 | 0 | 11 | 87% | 23 |
| Canadian Meteorological Aviation Centre/West (Edmonton) | ||||||||
| Station | Number of observations not covered by current TAF | Number responded to by an amended TAF | Number responded to by next regular TAF | Number where weather changed back to match TAF | Number where weather and TAF remained inconsistent | Average response time in minutes | Percentage of TAF responses within 20 minutes | Number of proactive amendments |
| Abbotsford | 22 | 17 | 1 | 4 | 0 | 13 | 72% | 26 |
| Arctic Bay | 4 | 3 | 1 | 0 | 0 | 11 | 75% | 1 |
| Arviat | 34 | 22 | 3 | 9 | 0 | 15 | 68% | 19 |
| Baker Lake | 19 | 16 | 1 | 2 | 0 | 10 | 94% | 13 |
| Bella Bella | 40 | 15 | 2 | 23 | 0 | 8 | 88% | 17 |
| Brandon | 14 | 11 | 1 | 2 | 0 | 12 | 92% | 11 |
| Buffalo Narrows | 3 | 3 | 0 | 0 | 0 | 9 | 100% | 6 |
| Burwash | 30 | 24 | 2 | 4 | 0 | 12 | 73% | 18 |
| Calgary Intl | 8 | 7 | 0 | 1 | 0 | 10 | 100% | 9 |
| Cambridge Bay | 47 | 30 | 4 | 10 | 3 | 24 | 71% | 20 |
| Campbell River | 14 | 11 | 1 | 2 | 0 | 19 | 58% | 7 |
| Cape Dorset | 37 | 22 | 4 | 11 | 0 | 14 | 77% | 20 |
| Castlegar | 8 | 6 | 1 | 1 | 0 | 10 | 100% | 7 |
| Churchill | 15 | 15 | 0 | 0 | 0 | 8 | 93% | 21 |
| Clyde River | 37 | 15 | 2 | 20 | 0 | 16 | 59% | 15 |
| Coral Harbour | 19 | 14 | 3 | 2 | 0 | 10 | 82% | 13 |
| Cranbrook | 6 | 5 | 0 | 1 | 0 | 17 | 60% | 10 |
| Deline | 1 | 1 | 0 | 0 | 0 | 4 | 100% | 3 |
| Dauphin | 26 | 11 | 0 | 15 | 0 | 15 | 64% | 15 |
| Dawson City | 9 | 6 | 2 | 1 | 0 | 13 | 88% | 8 |
| Dawson Creek | 12 | 2 | 0 | 10 | 0 | 19 | 50% | 5 |
| Dease Lake | 4 | 3 | 0 | 1 | 0 | 27 | 33% | 3 |
| Edmonton Intl | 3 | 3 | 0 | 0 | 0 | 9 | 100% | 9 |
| Edmonton Muni | 3 | 3 | 0 | 0 | 0 | 6 | 100% | 6 |
| Estevan | 7 | 7 | 0 | 0 | 0 | 8 | 100% | 7 |
| Eureka | 19 | 15 | 0 | 4 | 0 | 19 | 67% | 14 |
| Faro | 5 | 2 | 2 | 1 | 0 | 29 | 75% | 6 |
| Fort Chipewyan | 11 | 4 | 0 | 7 | 0 | 5 | 100% | 5 |
| Fort Good Hope | 3 | 3 | 0 | 0 | 0 | 5 | 100% | 1 |
| Fort McPherson | 5 | 4 | 1 | 0 | 0 | 14 | 80% | 5 |
| Fort McMurray | 24 | 10 | 0 | 14 | 0 | 9 | 100% | 16 |
| Fort Nelson | 25 | 20 | 1 | 4 | 0 | 17 | 76% | 15 |
| Fort Simpson | 16 | 15 | 0 | 1 | 0 | 14 | 87% | 8 |
| Fort Smith | 19 | 16 | 1 | 2 | 0 | 16 | 82% | 17 |
| Fort St John | 3 | 2 | 0 | 1 | 0 | 9 | 100% | 11 |
| Gillam | 17 | 15 | 0 | 2 | 0 | 15 | 80% | 18 |
| Gjoa Haven | 81 | 50 | 3 | 28 | 0 | 13 | 81% | 23 |
| Grande Prairie | 10 | 8 | 1 | 0 | 1 | 16 | 89% | 7 |
| Hall Beach | 28 | 16 | 2 | 10 | 0 | 17 | 83% | 21 |
| Hay River | 16 | 14 | 1 | 1 | 0 | 13 | 100% | 16 |
| High Level | 15 | 12 | 1 | 2 | 0 | 11 | 77% | 13 |
| Holman | 3 | 3 | 0 | 0 | 0 | 16 | 100% | 5 |
| Igloolik | 8 | 6 | 0 | 2 | 0 | 27 | 50% | 8 |
| Inuvik | 48 | 42 | 3 | 3 | 0 | 15 | 76% | 19 |
| Iqaluit | 12 | 8 | 1 | 3 | 0 | 12 | 78% | 12 |
| Island Lake | 6 | 6 | 0 | 0 | 0 | 11 | 83% | 3 |
| Kamloops | 6 | 4 | 2 | 0 | 0 | 27 | 50% | 9 |
| Kelowna | 9 | 3 | 0 | 6 | 0 | 12 | 67% | 11 |
| Key Lake | 21 | 12 | 0 | 9 | 0 | 9 | 100% | 8 |
| Kugaaruk | 12 | 7 | 3 | 2 | 0 | 21 | 80% | 3 |
| Kugluktuk | 27 | 22 | 1 | 4 | 0 | 14 | 78% | 14 |
| La Ronge | 9 | 8 | 0 | 1 | 0 | 12 | 100% | 4 |
| Lethbridge | 9 | 9 | 0 | 0 | 0 | 9 | 89% | 16 |
| Lloydminster | 2 | 0 | 0 | 2 | 0 | 7 | 0% | 4 |
| Lutselk'e | 0 | 0 | 0 | 0 | 0 | 0 | 0% | 0 |
| Lynn Lake | 33 | 21 | 0 | 12 | 0 | 14 | 57% | 14 |
| Mackenzie | 3 | 3 | 0 | 0 | 0 | 5 | 100% | 3 |
| Masset | 13 | 9 | 0 | 4 | 0 | 27 | 100% | 15 |
| Mayo | 20 | 8 | 1 | 6 | 5 | 48 | 78% | 7 |
| Medicine Hat | 5 | 2 | 1 | 2 | 0 | 35 | 67% | 11 |
| Nanaimo | 8 | 7 | 0 | 1 | 0 | 17 | 86% | 5 |
| Norman Wells | 12 | 10 | 0 | 2 | 0 | 16 | 80% | 13 |
| North Battleford | 2 | 1 | 0 | 1 | 0 | 7 | 100% | 3 |
| Norway House | 29 | 18 | 1 | 10 | 0 | 8 | 100% | 10 |
| Old Crow | 10 | 9 | 1 | 0 | 0 | 13 | 70% | 4 |
| Pangnirtung | 8 | 8 | 0 | 0 | 0 | 13 | 75% | 5 |
| Paulatuk | 6 | 4 | 1 | 1 | 0 | 27 | 60% | 7 |
| Peace River | 4 | 3 | 0 | 1 | 0 | 22 | 100% | 7 |
| Penticton | 7 | 5 | 0 | 2 | 0 | 14 | 80% | 5 |
| Pond Inlet | 20 | 11 | 1 | 8 | 0 | 8 | 92% | 13 |
| Port Hardy | 29 | 22 | 4 | 2 | 1 | 19 | 85% | 30 |
| Prince Albert | 10 | 9 | 1 | 0 | 0 | 17 | 60% | 13 |
| Prince George | 23 | 8 | 3 | 12 | 0 | 15 | 64% | 19 |
| Prince Rupert | 51 | 30 | 2 | 19 | 0 | 13 | 78% | 25 |
| Qikiqtarjuaq | 47 | 26 | 6 | 15 | 0 | 16 | 66% | 30 |
| Quesnel | 12 | 8 | 0 | 4 | 0 | 14 | 88% | 15 |
| Rae Lake | 5 | 5 | 0 | 0 | 0 | 23 | 60% | 5 |
| Rankin Inlet | 29 | 24 | 2 | 3 | 0 | 12 | 81% | 16 |
| Red Deer | 4 | 4 | 0 | 0 | 0 | 16 | 75% | 7 |
| Regina | 9 | 7 | 1 | 1 | 0 | 15 | 75% | 9 |
| Repulse Bay | 17 | 6 | 0 | 11 | 0 | 15 | 83% | 10 |
| Resolute | 42 | 33 | 2 | 7 | 0 | 17 | 86% | 24 |
| Sachs Harbour | 10 | 8 | 1 | 1 | 0 | 11 | 89% | 6 |
| Sandspit | 23 | 14 | 0 | 9 | 0 | 14 | 93% | 12 |
| Saskatoon | 1 | 1 | 0 | 0 | 0 | 13 | 100% | 3 |
| Slave Lake | 8 | 5 | 1 | 2 | 0 | 7 | 83% | 9 |
| Smithers | 10 | 6 | 1 | 3 | 0 | 22 | 71% | 2 |
| Springbank | 10 | 3 | 1 | 3 | 3 | 48 | 75% | 11 |
| Stony Rapids | 22 | 8 | 1 | 13 | 0 | 11 | 78% | 16 |
| Swift Current | 19 | 12 | 0 | 7 | 0 | 9 | 92% | 13 |
| Taloyoak | 17 | 16 | 1 | 0 | 0 | 16 | 71% | 10 |
| Terrace | 13 | 11 | 1 | 1 | 0 | 17 | 75% | 16 |
| Teslin | 5 | 4 | 0 | 1 | 0 | 12 | 100% | 2 |
| The Pas | 11 | 11 | 0 | 0 | 0 | 10 | 91% | 6 |
| Thompson | 19 | 19 | 0 | 0 | 0 | 9 | 89% | 8 |
| Tofino | 15 | 8 | 1 | 6 | 0 | 31 | 78% | 12 |
| Tuktoyaktuk | 29 | 25 | 2 | 2 | 0 | 9 | 85% | 10 |
| Vancouver | 17 | 11 | 4 | 2 | 0 | 13 | 73% | 20 |
| Victoria | 21 | 13 | 6 | 2 | 0 | 20 | 63% | 18 |
| Victoria Harbour | 14 | 9 | 2 | 3 | 0 | 14 | 64% | 13 |
| Watson Lake | 4 | 3 | 0 | 1 | 0 | 11 | 67% | 7 |
| Whitecourt | 2 | 2 | 0 | 0 | 0 | 4 | 100% | 1 |
| Whitehorse | 4 | 3 | 1 | 0 | 0 | 21 | 50% | 14 |
| Williams Lake | 13 | 7 | 2 | 3 | 1 | 31 | 67% | 7 |
| Winnipeg | 3 | 3 | 0 | 0 | 0 | 7 | 100% | 21 |
| Yellowknife | 15 | 10 | 2 | 3 | 0 | 13 | 92% | 22 |
| Yorkton | 13 | 10 | 0 | 3 | 0 | 7 | 90% | 3 |