90 day temperature graph for Winnipeg showing temperature anomalies from Dec 1st to Feb 28th. Only 18 days this winter have been below normal.
February 2012 will end on a mild and quiet note in southern MB, with highs this afternoon just slightly below freezing under partly sunny skies. February will finish with an average temperature near -10C in Winnipeg, about 3.5C above normal. Together with a very mild December and January, the winter of 2011-12 will go into the record books as the 4th mildest winter in Winnipeg since records began 140 years ago in 1872. (Note: "Winter" is defined as the 3 month period of Dec, Jan and Feb) This winter will finish with an average temperature of -9.7C, almost 6C above normal and just 0.2C below the third warmest winter of 1986-87 (-9.5C) February also marks the 8th consecutive month that has averaged above normal in Winnipeg, extending a streak that began last July.
Note also that Winnipeg has yet to hit the -30C mark this winter, with the lowest temperature so far of -28.9C (recorded on Jan 18th and Feb 10th). If the -30C mark isn't reached this month, it would be the first winter in over 70 years and only the second time in Winnipeg's history that the city has failed to drop to -30C or lower during the winter. The only other winter with a non -30C temperature between November and March was the winter of 1930-31, with an extreme minimum temperature of -29.4C on Feb 9th.
Top 5 warmest winters in Winnipeg (since 1872)
1. 1877-78 ............. -7.2C
2. 1997-98 ............. -8.2C
3. 1986-87 ............. -9.5C
4. 2011-12 ............. -9.7C
5. 1930-31 ............ -10.1C
Normal winter average .... -15.3C (1971-2000 normal)