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Weather in Colchester, Essex, UK. Station Records
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Temperature
| Maximum temperature | 31.8 °C | 09/07/2010 |
| Minimum temperature | -18.4 °C | 26/08/2010 |
| Hottest month | 22.0 ºC | July 2006 |
| Coldest month | 2.5 ºC | January 2009 |
Air Frosts
(Data for the latest winter will not be complete until the end of April each year)
| Frosts in a winter | Most | 57 (2008-2009) |
| Least | 27 (2006-2007) | |
| First Frost | Earliest | 21/10 (2007) |
| Latest | 1/12 (2009) | |
| Last Frost | Earliest | 30/3 (2009) |
| Latest | 10/4 (2008) |
Humidity
| Maximum humidity | 96% | 25/08/2007 |
| Minimum humidity | 30% | 30/07/2006 |
Rainfall
| Maximum rain in a day | 17.0 mm | 25/08/2010 |
| Longest period without rain | 17 days, 5 hours, 26 minutes | 08/04/2010 - 25/04/2010 |
| Most rain in a month | 142.6 mm | August 2004 |
| Most rain days in a month | 25 | November 2008, December 2009 |
| Least rain in a month | 0.7 mm | April 2007 |
| Least rain days in a month | 2 | April 2007 |
Barometric Pressure
| Maximum barometric pressure | 1024.6 hPa | 31/08/2010 |
| Minimum barometric pressure | 976.6 hPa | 25/02/2010 |
Sunshine
| Maximum brightness | 121 klux | 12/06/2010 |
| Most sunshine in a day | 16 hr 05 min | 28/06/2006 |
| Sunniest Month | 301 hr 39 min | July 2006 |
| Dullest Month | 60 hr 43 min | November 2008 |
Wind
| Maximum Wind Speed | 28.5 mph | 10/02/2010 |
The elevation of the site is 48m and the barometric pressure is corrected to sea level. The weather station was installed in July 2004 but was relocated approximately 3km during September 2009, still within the Myland area of Colchester. 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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