Milwaukee Climate

Climate Normals

• Temperature


• Precipitation


• Snowfall


• Growing Season


• Climatograph (temperature and precipitation) - What is a climatograph?


• Average Hourly Temperatures (explanation)


• Average Hourly Dew Point Temperatures (explanation)


• Comparison of Current (1971-2000) Normals with Past Normals

Daily Records

• Recent Months, Daily Normals, and Records


• Hourly Weather Data (three-day history)

Temperature

• Daily High and Low Temperatures (explanation)
  

  1991	1992	1993	1994	1995	1996	1997	1998	1999	2000
  2001	2002	2003	2004	2005	2006	2007	2008



• Long-term and Seasonal High, Low, and Mean Temperature (explanation): Spring, Summer, Autumn, Winter, and Annual


• Monthly Temperature Extremes


• Highest Annual Temperature


• Lowest Annual Temperature


• Number of Days per season with minimum temperature of zero degrees or lower at
  • Milwaukee City Office (1896/97-1953/54 seasons)
  • Milwaukee Airport Office (1942/43-present seasons)


• Number of Days per season with maximum temperature of 90 degrees or higher at
  • Milwaukee City Office (1896-1953)
  • Milwaukee Airport Office (1942-present)


• Dates of last spring and first autumn occurrence of 32 degrees or lower at
  • Milwaukee City Office (1871-1953)
  • Milwaukee Airport Office (1943-present)


• Length of growing season (32F base) at
  • Milwaukee City Office (1871-1953)
  • Milwaukee Airport Office (1943-present)


• Seasonal and Annual Mean Dew Point at Milwaukee Airport Office (1948-present)

Precipitation

• Daily Cumulative Precipitation
  (commencing on 1 Jan)

  1991	1992	1993	1994	1995	1996	1997	1998	1999	2000
  2001	2002	2003	2004	2005	2006	2007	2008


(commencing on 1 Oct for Water Year)

2001

2002

2003

2004

2005

2006

2007

2008

• Long-term and Seasonal Precipitation (explanation): Spring, Summer, Autumn, Winter, Annual
and for Water Year

• Greatest daily precipitation total by year at
  • Milwaukee City Office (1897-1953)
  • Milwaukee Airport Office (1927-present)
  • NOTE: Greatest calendar-day precipitation totals (based upon local midnight) at this station may not necessarily correspond with greatest 24-hour precipitation totals obtained from the hourly precipitation records.


• Number of Days per year with measurable precipitation (0.01 inches or greater) at
  • Milwaukee City Office (1896-1953)
  • Milwaukee Airport Office (1928-present)


• Number of Days per year with one inch or greater precipitation at
  • Milwaukee City Office (1896-1953)
  • Milwaukee Airport Office (1928-present)

Snowfall

• Daily Cumulative Snowfall (not snow depth)
  

  1991-92	1992-93	1993-94	1994-95	1995-96	1996-97	1997-98	1998-99	1999-00	2000-01
  2001-02	2002-03	2003-04	2004-05	2005-06	2006-07	2007-08	2008-09



• Long-term seasonal snowfall (1884/85-present seasons)


• Number of days per season with one inch or greater snowfall at Milwaukee Airport Office (1948/49-present)


• Number of days per season with one inch or greater snow cover on the ground at Milwaukee Airport Office (1948/49-present)

Heating Degree Days (base 65F; season means 1 July - 30 June)

• Cumulative Heating Degrees
  

  1991-92	1992-93	1993-94	1994-95	1995-96	1996-97	1997-98	1998-99	1999-00	2000-01
  2001-02	2002-03	2003-04	2004-05	2005-06	2006-07	2007-08	2008-09



• Seasonal Heating Degrees at
  • Milwaukee City Office (1897/98-1952/53)
  • Milwaukee Airport Office (1942/43-present)
  • Whole Record (1897/98-present)

Cooling Degree Days (base 65F; season means 1 January - 31 December)

• Cumulative Cooling Degrees
  

  2001

  2002

  2003

  2004

  2005

  2006

  2007

  2008



• Seasonal Cooling Degree Days at the Milwaukee Airport Office (1942-present)

Growing Degree Days (modified, base 50F/ceiling 86F; season means 1 Jan - 31 Dec)

• Cumulative Modified Growing Degrees
  

  2001

  2002

  2003

  2004

  2005

  2006

  2007

  2008




• Seasonal