National Weather Service Weather Forecast Office

Based on preliminary data, the period of September 1st 2011 through January 31st 2012 is the warmest for the Fargo Area, the Grand Forks Airport and the University of North Dakota/NWS location. Below are the tables that tell the story. The data below is preliminary and courtesy of the High Plains Regional Climate Center / Applied Climate Information System (Acis)

Fargo Area  (ThreadEx Station)
Extremes
Highest Average Average Temperature degrees F
Days: September1 - January 31
Length of period: 153 days
Years: 1881-2012

Rank  Value  Ending Year
  1    38.1    2012
  2    36.5    2006
  3    36.0    1932
  4    35.8    2002
  5    35.5    1964
  6    35.4    1995
  7    34.9    1942,  1944
  9    34.8    1921
 10    34.3    2007

Only periods with no missing data were evaluated. This ThreadEx Station station's record may include data from more than one, possibly incompatible, locations. It reflects the longest available record for the Fargo/Moorhead Area.

GRAND FORKS INTL AP (KGFK)
Extremes
Highest Average Average Temperature degrees F
Days: September1 - January 31
Length of period: 153 days
Years: 1941-2012

Rank  Value  Ending Year
  1    35.8    2012
  2    34.0    2006
  3    33.7    1995
  4    33.1    2002
  5    32.5    1983
  6    31.7    2007
  7    31.5    1981
  8    31.3    2000
  9    30.9    1980
 10    30.6    2010

Only periods with no missing data were evaluated.

GRAND FORKS UNIV (323621)
Extremes
Highest Average Average Temperature degrees F
Days: September1 - January 31
Length of period: 153 days
Years: 1890-2012

Rank  Value  Ending Date
  1    35.7    2012
  2    35.5    2006
  3    34.0    1964
  4    33.8    2002
  5    33.5    1983
  6    33.2    1942
  7    32.8    1988
  8    32.4    2000
  9    32.2    1981
 10    32.1    1998

Only periods with no missing data were evaluated.