Otter Valley Weather Extremes
2009    Station Record Temperature highs   28.5°C 3rd June   30.8°C 19th July 2006 Temperature lows   -8.4°C 7th January   -8.4°C 7th January 2009               Grass temp lows   -10.3°C 19th December   -10.3°C 19th December 2009               Rainfall in 1 hour   9.2 mm 15th June   24.1 mm 12th June 2006 Rainfall in 24 hours   38.7 mm 6th June   70.8 mm 30th October 2008 Rainfall in 1 month   188.9 mm November   188.9 mm November 2009 Rainfall in 1 year   887.7 mm     1022.8 mm 2008               Driest Month   26.4 mm September   17.8 mm April 2007 Driest Year   561 mm Jan - Sep                     Sunshine in 1 day   15.7 hours 31st May   15.7 hours 31st May 2009 Sunshine in 1 month   221 hours June   252 hours August 2007 Sunshine in 1 year   1703 hours     1740 hours 2008               Wind high   48 mph 8th March   58 mph 10th March 2008 Windiest day   275 miles 25th March   366 miles 21st March 2008 Windiest month   4121 miles November   4601 miles March 2008 Calmest day   2 miles 7th January   1 mile 11th December 2008 Calmest month   2214 miles June   1912 miles October 2008               Pressure highs   1037.1 hPa 11th September   1041 hPa 16th February 2008 Pressure lows   970 hPa 23rd January   961 hPa 10th March 2008               Dewpoint high   18.4°C 4th August   20.0°C 2nd July 2006 Dewpoint low   -11.2°C 7th January   -11.2°C 7th January 2009 Relative humidity low   35% 2nd June   29% 21st March 2007               30 cm soil temp highs   20.2°C 24th July   20.2°C 24th July 2009 30 cm soil temp lows   0.3°C 8th January   0.3°C 8th January 2009 100 cm soil temp highs   17.3°C 24th July   17.3°C 24th July 2009 100 cm soil temp lows   4.0°C 10th January   4.0°C 10th January 2009               Sea surface temp highs   20.3°C 5th August   22.5°C 10th August 2003 Sea surface temp lows   6.4°C 11th January   6.4°C 11th January 2009               Frostiest day   19 hours 6th January   22 hours 31st December 2008 Frostiest month   127 hours December   127 hours December 2009               Most records go back to May 2005, which is when this station started recording weather for the Otter Valley. Sea surface temperature records are for Lyme Bay and date from early 2003. Sunshine recording was added late 2005 and started collecting data in 2006. Soil and grass temperature readings started in 2007.
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