Bracken House and Selston Common Grasslands

Annual Rainfall Trend
Month	Average since 2009	Current Month	Difference
January	22.9 mm	29.0 mm (2013)	6.1 mm
February	33.8 mm	25.6 mm (2013)	-8.2 mm
March	27.1 mm	32.0 mm (2013)	4.9 mm
April	48.2 mm	11.6 mm (2013)	-36.6 mm
May	34.4 mm	39.6 mm (2013)	5.2 mm
June	78.8 mm	127.2 mm (2012)	48.4 mm
July	56.3 mm	91.8 mm (2012)	35.5 mm
August	64.6 mm	80.4 mm (2012)	15.8 mm
September	38.0 mm	50.2 mm (2012)	12.2 mm
October	44.1 mm	57.4 mm (2012)	13.3 mm
November	71.9 mm	70.6 mm (2012)	-1.3 mm
December	58.2 mm	85.4 mm (2012)	27.2 mm
12 Month Average Differentials
Average 12 Month Rainfall since 2009: 578.3 mm
Rainfall for last 12 months: 701.4 mm
Current 12 Month Rainfall difference: 123.1 mm
Year Rain Differentials
Average Year to Date Rain based on historical data since 2009:    156.9 mm
Current Year to Date Rain (2013):    137.8 mm
Current Year to Date Departure from Normal (2013):    -19.1 mm
Month Rain Differentials
Average Month to Date Rain based on historical data since 2009:    24.9 mm
Current Month to Date Rain (May):    39.6 mm
Current Month to Date Departure from Normal (May):    + 14.7 mm

This data is reflective of 12 month trending at the Bracken House Weather Station location. This is not official scientific data. The weather data presented here is based on data collected since 2009. Script courtesy of  Michael Holden from Relay Weather. Script calculations courtesy of Murry Conarroe of Wildwood Weather.