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Otter Valley Weather Extremes (2005 - 2010)

My beautiful wife stood on Mushroom Rock on a warm and humid September day with dramatic skies.

 Below are the complete extremes for the year 2010.

Click here to see the weather extremes for the year 2009
    2010    Station Record
Temperature highs   29.1°C 24th May   30.8°C 19th July 2006
Temperature lows   -9.8°C 26th December   -9.8°C 26th December 2010
Temperature lowest high   -0.9°C 25th December   -0.9°C 25th December 2010
Temperature highest low   18.3°C 21st August   18.3°C 21st August 2010
             
 Warmest monthly mean    18.1°C  July    20.1°C  July 2006
 Coldest monthly mean    0.7°C  December    0.7°C  December 2010
             
Grass temp lows   -15.8°C 7th January   -15.8°C 7th January 2010
             
Rainfall in 1 hour   - mm -   24.1 mm 12th June 2006
Rainfall in 24 hours   45.8 mm 17th November   70.8 mm 30th October 2008
Rainfall in 1 month   102.8 mm January   188.9 mm November 2009
Rainfall in 1 year   743 mm 2010   1022.8 mm 2008
             
Driest Month   23.7 mm May   17.8 mm April 2007
Driest Year   - mm -   743 mm 2010
             
Sunshine in 1 day   15.8 hours 25th June   15.8 hours 25th June 2010
Sunshine in 1 month   316.3 hours June   316.3 hours June 2010
Sunshine in 1 year   2019 hours 2010   2019 hours 2010
Dullest month    67.4 hours  February    61.0 Hours  February 2007
UV Index high   (starting 2011) N/A   - -
             
Wind high   40 mph 17th November   58 mph 10th March 2008
Windiest day   - miles -   366 miles 21st March 2008
Windiest month   3252 miles March   4601 miles March 2008
Calmest day   6 miles 5th December   1 mile 11th December 2008
Calmest month   2356 miles February   1912 miles October 2008
             
Pressure highs   1041.6 hPa 26th January   1041.6 hPa 26th January 2010
Pressure lows   963.0 hPa 9th November   961.1 hPa 10th March 2008
             
Dewpoint high   17.8°C 10th July   20.0°C 2nd July 2006
Dewpoint low   -14.3°C 26th December   -14.3°C 26th December 2010
Relative humidity low   31% 23rd May   29% 21st March 2007
             
30 cm soil temp highs   17.8°C 10th July   20.2°C 24th July 2009
30 cm soil temp lows   1.2°C 8th January   0.3°C 8th January 2009
100 cm soil temp highs   17.0°C 4th August   17.3°C 24th July 2009
100 cm soil temp lows   4.0°C 17th January   4.0°C 10th January 2009
             
Highest snow depth   28 cm 20th December    28 cm 20th December 2010
Longest snow cover   10 days 17th - 26th December    10 days 17th - 26th Dec 2010
             
Sea surface temp highs   19.0°C 27th June   22.5°C 10th August 2003
Sea surface temp lows   5.4°C 27th December   5.4°C 27th December 2010
             
Frostiest day   24 hours 25th December   24 hours 25th December 2010
Frostiest month   373 hours December   373 hours December 2010
             

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.

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