Annual Summary 2009                  
                       
Month Mean Diff. Maximum Diff Minimum Diff Hi Max Low Min Rain % Air Frost
                       
JAN 3.8 -2.2 6.5 -1.9 1.0 -2.6 10.5 -6.4 69.5 125 12
FEB 5.0 -1.1 7.9 -1.2 2.1 -1.1 15.4 -5.4 59.8 129 9
MAR 8.1 0.0 12.7 1.0 3.5 -1.0 16.9 -2.1 38.1 97 6
APR 11.4 1.5 16.0 1.7 6.7 1.3 20.8 0.6 28.4 53 0
MAY 13.6 0.1 18.3 0.1 8.9 0.2 24.6 3.3 28.9 62 0
JUN 16.7 0.5 21.8 0.9 11.6 0.2 29.7 5.8 33.4 68 0
JUL 17.8 -0.7 22.1 -1.2 13.5 -0.1 28.9 10.7 62.5 144 0
AUG 18.3 0.0 23.2 0.0 13.4 0.0 28.4 8.5 35.7 67 0
SEP 15.7 0.3 20.0 0.1 11.4 0.4 27.2 6.0 23.6 41 0
OCT 12.3 0.4 16.1 0.5 8.5 0.3 19.8 -0.8 34.8 50 1
NOV 9.8 1.8 12.3 1.3 7.3 2.3 16.8 1.0 161.2 253 0
DEC 4.3 -1.5 6.6 -1.5 2.0 -1.6 12.5 -5.4 79.3 132 10
                       
YEAR 11.4 -0.1 15.3 0.0 7.5 -0.2 29.7 -6.4 655.2 103 38
                       
      Celsius Fahrenheit ..at 2100 GMT   Wind Direction  
Warmest day 29 Jun 29.7 85.5     Av. Pres. SW NW NE SE
Coldest day 10 Jan -0.7 30.7   Jan. 1010.7 10 1 4 9
Coldest night 07 Jan -6.4 20.5   Feb. 1014.0 6 6 1 2
Warmest night 03 Jul 18.3 64.9   March 1014.6 13 8 2 2
            April 1012.5 8 3 7 6
Ground frost (Grass below 0C 32F)            74 nights May 1017.6 17 1 5 3
            June 1016.3 7 6 8 4
Rain days (0.2 mm 0.01 in or more) 169   July 1011.4 19 3 0 2
Wet days (1.0 mm 0.04 in or more) 106   August 1014.8 17 4 0 4
            Sep. 1021.1 8 3 9 2
Wettest day 13 Nov 27.9 1.10 in   October 1015.6 7 5 2 5
            Nov. 1000.7 17 2 1 6
Days with sleet or snow falling 19   Dec. 1004.7 12 3 8 3
Days with snow   lying 9              
            Year 1012.8 141 45 47 48
Days with hail     9              
                       
Days with thunder     13   Highest press. 1036mb 17 Mar    and 10 Sep
            Lowest press. 979 mb 09 Feb  
Days with fog at 0900 GMT 2              
             Totals exclude calm + winds direct ftom N S etc.
                       
      New Station Records and trivia 2009      
                       
January           July          
Coldest since 1997 Highest number of rain days (20) since records began
Monthly maximum (10.5) lowest since records began Lowest number of NE Winds (0) since records began
February         August          
Wettest day on 9th (22.0) since records began Driest since 2003
Lowest pressure on 9th (979) since 1990 Warmest since 2004
March           September        
Wettest day (3rd with 18.2) only 1.1 behind the record set in 2008 Lowest number of rain days (4) since records began
Highest number of ground frosts since 2003 Highest pressure on 10th (1036) since records began
April           October          
2nd Warmest since records began (behind 2007) Lowest number of NE Winds (2) since 2001
Highest number of SE Winds (6) since 2000 Driest since 2003
May           November        
Highest number of SW Winds (17) since records began Wettest since records began
Driest since 1998 Highest number of thunder days (3) since records began
June           December        
Lowest number of SW Winds (7) since 1995 Lowest mean pressure (1004.7) since records began  
Highest number of NE Winds (8) since 1995 Coldest since 1996