Weather Extremes for 2010 for the Otter Valley, Devon

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.


	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.