Otter Valley Weather Extremes (2005 - 2012)

Otter Valley weather extremes for 2012 and station records

Previous annual extremes     2012 so far    Station Record Temperature highs    -°C -   30.8°C 19th July 2006 Temperature lows   -5.8°C 4th February   -9.8°C 26th December 2010 Temperature lowest high   1.9°C 8th February   -0.9°C 25th December 2010 Temperature highest low   -°C -   18.3°C 21st August 2010                Warmest monthly mean    -°C  -    20.1°C  July 2006  Coldest monthly mean    -°C  -    0.7°C  December 2010                Highest monthly anomaly    -°C  -    +4.5°C  April 2011  Lowest monthly anomaly    -°C  -    -5.6°C  December 2010               Grass temp lows   -°C -   -13.8°C 7th January 2010               Rainfall in 15 minutes   - mm -   10.4 mm 30th October 2008 Rainfall in 1 hour   - mm -   24.1 mm 12th June 2006 Rainfall in 24 hours   - mm -   70.8 mm 30th October 2008 Rainfall in 1 month   60.8 mm January   188.9 mm November 2009 Rainfall in 1 year   - mm -   1022.8 mm 2008               Driest Month   - mm -   17.8 mm April 2007 Driest Year         712 mm 2011               Max Sunshine in 1 day   - -   15.8 hours 25th June 2010 Max Sunshine in 1 month   - -   316.3 hours June 2010 Max Sunshine in 1 year   - -   2019 hours 2010 Dullest month   - -    53.4 Hours  February 2011 UV Index high   - -   9 6th July 2011               Wind high   41 mph 3rd January   58 mph 10th March 2008 Windiest day   - -   366 miles 21st March 2008 Windiest month   - -   4601 miles March 2008 Calmest day   - -   1 mile 11th December 2008 Calmest month   - -   1912 miles October 2008               Pressure highs   1042.0 hPa 8th February   1042.0 hPa 8th February 2012 Pressure lows   997.8 hPa 3rd January   961.1 hPa 10th March 2008               Dewpoint high   - -   20.2°C 29th September 2011 Dewpoint low   - -   -14.3°C 26th December 2010 Relative humidity low   - -   29% 21st March 2007               30 cm soil temp highs   - -   20.2°C 24th July 2009 30 cm soil temp lows   - -   0.3°C 8th January 2009 100 cm soil temp highs   - -   18.8°C 5th August 2011 100 cm soil temp lows   - -   4.0°C 10th January 2009               Highest snow depth   0 cm No snow falling    28 cm 20th December 2010 Longest snow cover1   0 days No snow falling    10 days 17th - 26th Dec 2010 Least snow days in a year2   0 days So far this year    0 days 2007 & 2011 Most snow days in a year2   0 days So far this year    4 days 2009 & 2010               Sea surface temp highs   - -   22.5°C 10th August 2003 Sea surface temp lows   6.7°C 9th January   5.4°C 27th December 2010               Frostiest day3   17.5 hours 3rd February   24 hours 25th December 2010 Frostiest month3   - -   373 hours December 2010 Thunder days in a month4   - -   4 days July 2006 Thunder days in a year4   - -   16 days 2006   Records are updated at the end of each month   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 2006 and started collecting data in 2007. Soil and grass temperature readings started in 2007. UV Index recording started in January 2011. 1Longest continuous snow cover of at least 50% of the ground. 2Snow days are defined as snow seen falling. 3Frostiest days are defined as the time duration with temperatures below 0.0°C. 4Thunder days are defined as days when thunder is heard.

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