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The weather in spring and autumn is usually showery, cool, and overcast. July is historically the driest month in Vancouver and, in fact, Vancouver International Airport recorded no rainfall at all during the whole month of July 2013; [34] the first time ever in recorded history. Many other Julys have recorded less than 1 mm (0.04 in) of rain ...
The longer history of the proxy is then used to reconstruct temperature from earlier periods. Proxy records must be averaged in some fashion if a global or hemispheric record is desired. The "Composite Plus Scaling" (CPS) method is widely used for large-scale multiproxy reconstructions of hemispheric or global average temperatures.
500 million years of climate change Ice core data for the past 400,000 years, with the present at right. Note length of glacial cycles averages ~100,000 years. Blue curve is temperature, green curve is CO 2, and red curve is windblown glacial dust (loess).
Waneta, British Columbia and Grand Forks, British Columbia: 42.8 °C (109 °F) Fort Vermilion, Alberta: −52.2 °C (−62 °F) 1923 Newgate, British Columbia and Grand Forks, British Columbia: 38.9 °C (102 °F) Doucet, Quebec: −54.4 °C (−66 °F) 1922 St Albans, Manitoba and Grand Forks, British Columbia: 40.0 °C (104 °F)
Ucluelet Brynnor Mines, British Columbia: October 6, 1967 Greatest Snowfall in one season* 2,446.5 centimetres (963.2 in) [4] Mount Copeland, British Columbia: 1971–1972 Greatest Snowfall in one day: 145 cm (57 in) [5] Tahtsa Lake, British Columbia: Feb 11, 1999 Highest Humidex reading: 52.6 C (126.7 F) [6] Carman, Manitoba: July 25, 2007 ...
400 BC – There is some evidence that Democritus predicted changes in the weather, and that he used this ability to convince people that he could predict other future events. [2] 400 BC – Hippocrates writes a treatise called Airs, Waters and Places, the earliest known work to include a discussion of weather. More generally, he wrote about ...
Historical climatology is the study of historical changes in climate and their effect on civilization from the emergence of homininis to the present day. It is concerned with the reconstruction of weather and climate and their effect on historical societies, including a culturally influenced history of science and perception. [ 1 ]
BC's GHG emissions have been going down, and in 2012 (based on 2010 data) BC declared it was within reach of meeting its interim target of a 6% reduction below 2007 levels by 2012. GHG emissions went down by 4.5% between 2007 and 2010, and consumption of all the main fossil fuels are down in BC as well while GDP and population have both been ...