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| Canada | United States | World | |
|---|---|---|---|
| Highest maximum air temperature | 45.0°C Midale and Yellowgrass, Sask. (July 5, 1937) |
56.7°C Death Valley, California (July 10, 1913) |
58.0°C Al'azizyah, Libya (September 13, 1922) |
| Lowest minimum air temperature | -63.0°C Snag, Y.T. (February 3, 1947) |
-62.1°C Prospect Creek Camp, Alaska (January 23, 1971) |
-89.6°C Vostok, Antarctica (July 21, 1983) |
| Coldest month | -47.9°C Eureka, N.W.T. (February, 1979) |
x | x |
| Highest sea-level pressure | 107.96 kPa Dawson, Y.T. (February 2, 1989) |
107.86 kPa Northway, Alaska (January 31, 1989) |
108.38 kPa Agata, Siberia, Russia (December 31, 1968) |
| Lowest sea-level pressure | 94.02 kPa St. Anthony, Nfld. (January 20, 1977) |
89.23 kPa Matecumbe Key, Florida (September 2, 1935) |
87.00 kPa In eye of Typhoon Tip in the Pacific Ocean, 17°N, 138°E (October 12, 1979) |
| Greatest precipitation in a 24-hour period | 489.2 mm Ucluelet Brynnor Mines, B.C. (October 6, 1967) |
1,090 mm Alvin, Texas (July 28, 1979) |
1,869.9 mm Cilaos, La Réunion Island (March 15, 1952) |
| Greatest precipitation in one month | 2,235.5 mm Swanson Bay, B.C. (November, 1917) |
2,717.8 mm Kukui, Hawaii (March, 1942) |
9,300 mm Cherrapunji, India (July, 1861) |
| Greatest precipitation in one year | 9,479 mm Henderson Lake, B.C. (1997) |
17,902.7 mm Kukui, Hawaii (1982) |
26,461.2 mm Cherrapunji, India (August 1860 to July 1861) |
| Greatest average annual precipitation | 6,655 mm |
11,684 mm Mt. Waialeaie, Kauai, Hawaii |
11,684 mm Mt. Waialeaie, Kauai, Hawaii |
| Least annual precipitation | 12.7 mm Arctic Bay, N.W.T. (1949) |
0.0 mm Bagdad, California (October 3, 1912 to November 8, 1914) |
0.0 mm Arica, Chile - no rain for 14 years |
| Greatest average annual snowfall | 1,433 cm Glacier Mt. Fidelity, B.C. |
1,460.8 cm Rainer Paradise Ranger Station, Washington |
x |
| Greatest snowfall in one season | 2,446.5 cm Revelstokes/Mont Copeland, B.C. (1971-1972) |
2,850 cm Rainer Paradise Ranger Station, Washington (1971-1972) |
x |
| Greatest snowfall in one month | 535.9 cm Haines Apps. No. 2, B.C. (December 1959) |
990.6 cm Tamarack, California (January 1911) |
x |
| Greatest snowfall in one day | 118.1 cm Lakelse Lake, B.C. (January 17, 1974) |
193.0 cm Silver Lake, Colorado (April 14, 15, 1921) |
x |
| Highest average annual number of thunderstorm days | 34 days London, Ont. |
96 days Fort Meyers, Florida |
322 days Bogor, Indonesia |
| Heaviest hailstone | 290g Cedoux, Sask. (August 27, 1973) |
758 g Coffeyville, Kansas (September 3, 1970) |
15,000 g Guangdong province of China (April 19, 1995) |
| Highest average annual wind speed | 36 km/h Cape Warwick, Resolution Island, N.W.T. |
56.3 km/h Mt. Washington, New Hampshire |
x |
| Highest hourly wind speed | 201.1 km/h Cape Hopes Advance (Quaqtaq), Que. (November 18, 1931) |
362.0 km/h |
x |
| Highest average hours of fog | 1,890 hours Argentia, Nfld. |
2,552 hours Cape Disappointment, Washington |
x |
| x data unavailable, not applicable or confidential Source: Canadian Meteorological Centre, Environment Canada. |
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Excerpts from Canada Year Book 1999: The Environment > The Land
