Latitude: N 50° 09' 49" Longitude: W 05° 11' 53" Elevation: 168m ASL

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Weather Report

For December 2012

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Summary:

December 2012 was windy and very wet, with average temperatures.

December was an extremely wet month, which followed the wettest summer on record and a wet autumn, so the ground was already saturated. This further lot of rainfall led to more flooding in December across the county, notably in Helston, where the river Cober burst its banks. December was also very windy, due to the numerous low pressure systems which dominated the months weather.

Total Rainfall for December was 174.5mm (146.9% of Average) and rain was recorded on 28 days of 31, the majority of this rain fell in the latter half of the month. It was also our wettest month since the station was set up three years ago.

Temperatures were roughly on average for December with an average high of 9.6C (on average), an average low of 5.1C (0.2 C below average) and an overall average of 7.5C (0.1C above average). One air frost was recorded on 11th at -0.4C.

The dominant wind direction was SW. The maximum gust was 55.2 mph on the 29th. There was an average wind speed of 13.1 mph, and the total wind run was 9785.4 miles. Meaning it was also our windiest month since the station was set up.

Monthly Highs and Lows:

Daily Highs and Lows for December can be found here: December 2012 Monthly Summary

Records

For December 2012

Records for the Period 01st Dec 2012 to 31st Dec 2012 - 31 Days.

Temperature
Max12.2 °C22nd Dec 2012
Min-0.4 °C11th Dec 2012
Lowest Max5.3 °C12th Dec 2012
Highest Min10.1 °C28th Dec 2012
Lowest Windchill-2.9 °C11th Dec 2012

Range12.6 °C
Average7.5 °C+0.2 °C from Avg
Average High9.6 °C-0.3 °C from Avg
Average Low5.1 °C+0.3 °C from Avg

Max Temperatures (°C):

< -5 -4 - 0 0 - 4 5 - 9 10 - 14 15 - 19 20 - 24 > 25
0 0 0 16 15 0 0 0

Min Temperatures (°C):

< -5 -4 - 0 0 - 4 5 - 9 10 - 14 15 - 19 20 - 24 > 25
0 1 14 15 1 0 0 0

Moisture
Dew Point:
Max12.1 °C22nd Dec 2012
Min-1.9 °C11th Dec 2012
Humidity:
Max99 %31st Dec 2012
Min70 %07th Dec 2012

Average Dew Point6.3 °C
Average Humidity91.9 %

Pressure
Max1029.4 mb11th Dec 2012
Min976.1 mb14th Dec 2012

Average1008.6 mb
Wind
Max Gust55.2 mph29th Dec 2012
Max Speed41.0 mph29th Dec 2012

Avg Wind Speed13.1 mph
Windrun:
Total Windrun9785.4 miles
Highest Windrun635.0 miles28th Dec 2012
Lowest Windrun66.2 miles10th Dec 2012

Wind Directions:
2 0 2 0 0 0 2 0 5 0 12 0 6 0 2 0

Precipitation
Total Rainfall174.5 mm150.6 % of Avg
Days with Rainfall28 Days
Highest Daily Rainfall25.5 mm19th Dec 2012
Max Rain Rate17.4 mm/hr22nd Dec 2012

Max Hourly Rainfall6.2 mm22nd Dec 2012
Max Consec' Wet Days19 Days13 Dec 2012 - 31 Dec 2012
Max Consec' Dry Days2 Days11 Dec 2012 - 12 Dec 2012

Snowfall:
Total Snowfall0.0 cm
Days with Snowfall0 Days
Highest Daily Snowfall0.0 cmN/A

Rain Amounts:
> 0.2 mm > 1.0 mm > 5.0 mm > 10.0 mm > 20.0 mm
27 24 11 7 2

Days With
Fog Hail Thunder Snow Falling Snow Lying
0 0 0 0 0

Graphs:

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This is a private weather station, never base important decisions or events on data from this weather station. Although every effort has been made to make the data as accurate as possible it does not meet MetOffice standards. It is proved as a guide of local weather conditions. We accept no liability for any loss which may arise from use of the data.

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