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Notices:

A new set of IDF curves was produced on February 09, 2012 and posted on March 09, 2012. Please read the Whats_New_EC_IDF.pdf file for a list of all of the changes.

OTTAWA MACDONALD-CARTIER INT’L A, HAMILTON A, DEER LAKE A, GANDER INT'L A, ST.JOHN'S A, SASKATOON DIEFENBAKER INT'L A, LONDON INT'L A, SAULT STE. MARIE A, EDMONTON INT'L A, YARMOUTH A, THUNDER BAY A, CHURCHILL A and SMITHERS A weather reporting stations have switched over to new NAV CANADA sensors and reporting tools. Due to some unanticipated data processing issues related to the new data flow, the display of daily data from these stations is not available on our website at present. However, hourly data is now being displayed for the new stations: OTTAWA INT'L, HAMILTON, DEER LAKE, GANDER INT'L, ST. JOHN'S INT'L, SASKATOON DIEFENBAKER INT'L, LONDON, SAULT STE MARIE, EDMONTON, YARMOUTH, THUNDER BAY, CHURCHILL and SMITHERS. For more information, please click here and expand the message. Thank you for your patience while we work to fix these current issues.

The Notice Inventory contains a record of all past and current Notices.

The "Weather Winners" Highlights

Highlight Table of Weather Winners - The top three cities in 16 weather categories.

Weather Category	First place	Second place	Third place
Coldest year-round	Yellowknife NT	Thompson MB	Whitehorse YT
Warmest year-round	Chilliwack BC	Vancouver BC	Abbottsford BC
Wettest (rain and snow)	Prince Rupert BC	Port Alberni BC	Chilliwack BC
Snowiest	Gander NL	Corner Brook NL	Sept-Îles QC
Most freezing rain days	Gander NL	St. John's NL	Sydney NS
Most blowing snow days	Chicoutimi-Jonquière QC	Rimouski QC	Rivere-du-Loup QC
Most thunderstorm days	Windsor ON	London ON	Woodstock ON
Most foggy days	St. John's NL	Halifax NS	Saint John NB
Sunniest year-round	Medicine Hat AB	Estevan SK	Swift Current SK
Windiest city year-round	St. John's NL	Gander NL	Summerside PEI
Hottest summer	Kamloops BC	Penticton BC	Windsor ON
Fewest freezing days	Vancouver BC	Victoria BC	Chilliwack BC
Most dry days	Medicine Hat AB	Lethbridge AB	Kamloops BC
Fewest foggy days	Penticton BC	Kamloops BC	Edmonton AB
Sunniest winters	Calgary AB	Winnipeg MB	Saint John NB
Most humid summers	Windsor ON	Sarnia ON	Kingston ON

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The "Weather Winners" Highlights