Weather in Colchester, Essex, UK.

Yearly summary for 2004

 

  Temperature Humidity Barometric Pressure Rainfall Wind Sun
Month Norm Mean Avg. Max. Avg. Min. Abs. Max. Abs. Min Gnd. Min Mean Max. Min. Mean Max. Min. Norm Total Days Mean Max Dom. Dir'n Norm Hours
January 4.05.07.92.1 12.0 -3.8 - - - - - - -- - - - - -- -
February 4.35.99.02.8 19.1 -3.4 - - - - - - -- - - - - -- -
March 6.67.311.43.3 19.4 -4.3 - - - - - - -- - - - - -- -
April 8.711.116.75.4 23.9 0.3 - - - - - - -- - - - - -- -
May 12.114.418.810.0 25.7 3.4 - - - - - - -- - - - - -- -
June 14.917.022.711.3 30.1 5.6 - - - - - - -- - - - - -- -
July 17.817.823.312.4 29.4 7.0 - - - - - - -- - - - - -- -
August 17.919.524.314.8 31.8 10.0 - - 78 90 40 - - - 50.2 142.6 15 6.0 25.4 SW 255:48 229:44
September 15.116.021.111.0 27.5 3.6 - - 78 91 38 - - - 53.7 35.7 9 7.2 37.5 SW 148:36 205:37
October 11.112.316.08.5 19.6 2.6 - - 78 92 46 1006 1023 987 64.1 63.0 18 8.7 36.5 SW 117:36 128:40
November 6.98.311.64.9 15.6 -3.4 - - 78 91 50 1021 1036 1002 58.5 41.1 14 3.9 24.1 W-SW 73:12 74:35
December 5.15.78.72.7 14.4 -3.4 - - 78 92 60 1017 1032 988 58.2 28.5 10 5.7 27.8 SW 52:18 72:06
                                           
Summary 10.4 11.7 16.0 7.4 31.8 -4.3 - - - - - - - - 603.9 - - - - - 1685:36 -

 

The elevation of the site is 28 metres and the barometric pressure is corrected to sea level. The weather station was installed on 20/7/2004 and the barometric pressure sensor on 18/8/2004. Temperature data for January to July is taken from recordings made with a more basic weather recorder housed in the screen. Norm data is taken from the Colchester readings for temperature and rainfall and the Wattisham readings for sunshine time in the 1971-2000 publication by the Climatological Observers Link.

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1999-2005 Werner Krenn / Mischa Thurnherr - Weatherstation Operating- and Data Acquisition Software - V2.85.8