Updated December 18 2009

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   Averages\Extremes for the month of December 2009
 
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 Average temperature     = 4.7 °C
 Average humidity        = 93 %
 Average dewpoint        = 3.7 °C
 Average barometer       = 1012.8 hPa
 Average windspeed       = 4.0 mph
 Average gustspeed       = 6.4 mph
 Average direction       = 170 ° ( S )
 Rainfall for month      = 45.6 mm
 Rainfall for year       = 721.5 mm
 Maximum rain per minute = 2.0 mm on day 06 at time 06:54
 Maximum temperature     = 12.1 °C on day 06 at time 05:45
 Minimum temperature     = -3.6 °C on day 01 at time 07:13
 Maximum humidity        = 98 % on day 17 at time 09:47
 Minimum humidity        = 60 % on day 06 at time 14:51
 Maximum pressure        = 1035.0  mb on day 12 at time 13:05
 Minimum pressure        = 986.0  mb on day 06 at time 06:48
 Maximum windspeed       = 23.0 mph from 158 °(SSE)  on day 07 at time 14:00
 Maximum gust speed      = 40.3 mph from 180 °( S ) on day 07 at time 12:03
 Maximum heat index      = 12.1 °C on day 06 at time 05:45
 Frost days= 5
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 Daily rain totals
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  01.0 mm  on day 1
  01.0 mm  on day 2
  01.0 mm  on day 3
  01.0 mm  on day 4
  04.0 mm  on day 5
  14.0 mm  on day 6
  02.0 mm  on day 7
  01.0 mm  on day 8
  02.0 mm  on day 9
  01.0 mm  on day 13
  02.0 mm  on day 14
  01.0 mm  on day 15
  05.0 mm  on day 16
All Time Records to date

Record high temperature:  32.7 °C  at: 17:02  on: 19 Jul 2006

Record low temperature:   -8.1 °C  at: 03:55  on: 07 Feb 2007

Record high wind gust :   67.6 mph  from 207°  at: 14:32  on: 18 Jan 2007

Record  high average speed:47.6 mph  from 276°  at: 01:03  on: 01 Mar 2008

Record high rain rate:    8.6 mm/min  at: 19:36  on: 16 Jan 2007

Record low barometer:     945.0 mb  at: 19:52  on: 04 Sep 2009

Record high barometer:    1049.0 mb  at: 05:07  on: 13 Nov 2008

Record daily rain:        37.0 mm  at: 09:56  on: 06 Sep 2008

Record rain in 1 hour:    15.0 mm  at: 13:33  on: 14 Sep 2006

Record low wind chill temperature: -12.5 °C  at: 04:57  on: 07 Feb 2007

Warmest day on record 27.8 °C  on: 19 Jul 2006

Coldest night on record -5.7 °C  on: 07 Feb 2007

Coldest day on record -3.5 °C  at: 18:00  on: 06 Jan 2009

Warmest night on record 24.5 °C  on: 26 Jul 2006

Warmest December temperature: 13.4 °C 2008

Coldest December temperature: -3.6 °C 2009










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