Wednesday 30 November 2016

Warmest November & 2nd Warmest Fall on Record Shatter Multiple Records in Winnipeg


With an average mean temperature of 3.1°C, November 2016 goes down as the warmest on record since 1872. This shattered the old record of 1.3°C in 1899 and 1923 by 1.8°C! The last time we broke a monthly record by this margin was in January 2006 when an average mean temperature of -7.4°C broke the old record of -10.6°C in 1944 (record margin of 3.2°C!).

Below is a full list of records broken during our warmest November on record this year in Winnipeg.

Warmest November on Record in Winnipeg, Manitoba (2016)

Average mean temperature 3.1°C (previous record: 1.3°C in 1899 and 1923) (breaks old record by 1.8°C!)

Average high temperature 7.2°C (previous record: 7.1°C in 2009)

Average low temperature -1.0°C (previous record: -3.2°C in 1923) (breaks old record by 2.2°C!)

2nd Warmest Fall on Record (2016)
Average mean temperature 8.0°C  (warmest was 1963 with average of 8.6°C and 2016 beats 7.9°C in 1931)
Average high temperature  12.8°C  (tied with 1931 and 2009 for 4th warmest)
Average low temperature  3.3°C   (warmest on record, beating 2.9°C in 1931)

Most ''Humid'' November and Fall on Record (2016)
November average dewpoint  0.3°C   (breaks old record by 3.2°C (-2.9°C in 2015))
Fall average dewpoint  4.4°C (breaks old record of 3.6°C in 2009)


Daily Temperature Records (6)

Nov 6:         16.7°C high max – Tied with 1975

Nov 6:          7.4°C high min –   Old 5.6°C in 1906 and 1922 – Also 4th highest on record in November

Nov 9:         18.8°C high max – Old 14.4°C in 1923 – Also latest date to reach 18°C on record

Nov 9:          4.8°C high min –   Old 2.8°C in 1969

Nov 12:       13.6°C high max – Old 13.2°C in 1981

Nov 24:        0.1°C high min –   Old 0.0°C in 1988


Daily Dewpoint Records (11)

Nov 4:          9.7°C high max –  Old 9.5°C in 1981

Nov 5:          2.2°C high min –   Old 1.7°C in 1956

Nov 6:         12.3°C high max – Old 9.4°C in 2000 – Also highest dewpoint on record in November

                                                                                   Old 11.1°C on Nov 5, 1956

Nov 6:         4.9°C high min –    Old 1.4°C in 1977 – Also 3rd highest on record in November

Nov 7:         10.8°C high max – Old 10.4°C in 1977 – Also 3rd highest on record in November

Nov 9:         7.7°C high max –   Old 6.1°C in 2010

Nov 23:      -0.4°C high min –   Old -1.5°C in 2001

Nov 24:      -0.2°C high min –   Old -0.7°C in 1988

Nov 28:      -1.0°C high min –   Old -1.1°C in 1998

Nov 29:       3.4°C high max –  Old 2.1°C in 1998

Nov 29:      -1.5°C high min –   Old -2.3°C in 1987


Other records

Nov 22:    Latest date to record first measurable snowfall of the season – Old Nov 21, 1963

Apr 11 to Nov 21 – 225-day period without measurable snowfall – 3rd longest snow-free period on record
10 days above 10°C - tied with 1981 and 2009 for 2nd most (most was 11 days in 1904)
Streak of 7 days above 10°C - tied with 2009 for 2nd longest (longest was 8 days from Nov 2 to 9, 1963)
  • Only 5 days dipped below -5°C, breaking the old record of 7 days in 1899.
  • Only one day dipped below -10°C, tied with 1912, 1923, 1981 and 2001 for the least on record.
  • Only 18 days dipped below freezing, breaking the old record of 20 days set in 2015. Normal is 28 days.
  • 28 days exceeded the freezing mark, tied with 2009 for 2nd most. Most was 29 days in 1899.
  • 4 days exceeded 15°C, tied with 1903 and 1981 for most on record.