Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ANNUAL
Mean Maximum     6.6 8.6 12.6 13.9 18.0 21.0 22.0 20.5 17.9 15.7 10.2 7.4 14.5
Mean Minimum     1.1 3.5 5.0 4.8 8.9 12.5 13.0 11.7 9.9 9.6 3.9 2.1 7.2
Average tempaerature     3.9 6.1 8.8 9.4 13.5 16.8 17.5 16.1 13.9 12.7 7.1 4.8 10.9
Compared to 30yr average     -0.5 1.6 2.0 -2.3 1.4 1.7 0.2 -0.9 -0.5 2.0 0.0 0.2 0.4
Highest maximum     10.9 15.0 19.9 22.5 25.9 30.1 29.2 26.3 21.6 20.1 14.8 12.5 30.1
date     10th 20th 30th 9th 25th 19th 6th 28th 4th 14th 22nd 30th  
Lowest minimum     -4.1 -3.4 0.5 0.6 0.9 7.8 9.2 6.0 3.2 1.2 -1.8 -6.7 -6.7
date     27th  6th 6th 27th 10th 5th 17th 31st 22nd 30th 17th 12th  
Lowest maximum     -0.6 1.7 7.1 10.0 10.8 13.8 18.3 15.1 14.9 11.8 2.9 0.3 -0.6
date     26th 9th 22nd 25th 6th 28th 11th 8th 21st 30th 30th 10th  
Highest minimum     6.5 10.0 11.8 9.1 14.8 17.7 16.4 15.1 15.5 15.3 11.5 8.8 17.7
date     11th 22nd 30th 21st 29th 19th 9th 22nd 5th 14th 22nd 25th  
Lowest grass minimum     -8.2 -8.2 -3.8 -2.5 -4.1 4.2 4.9 3.4 0.7 -3.5 -6.1 -11.4 -11.4
date     27th  6th 6th 8th 10th 4th 17th 31st 22nd 30th 17th 12th  
                               
Total rainfall     61.0 44.0 56.4 26.8 49.6 64.0 80.2 67.2 83.8 34.8 37.2 97.6 702.6
Percentage of average     102 100 119 51 89 107 136 107 141 51 59 158 101.7
wettest day     10.6 10.0 11.0 9.2 18.0 27.0 19.2 16.4 18.2 18.0 9.8 27.6 27.6
date     14th 15th 3rd 30th 17th 5th 19th 8th 24th 19th 3rd 26th  
number of rain days     18 18 19 9 14 11 16 17 25 13 17 21 198
number of wet days     12 10 11 5 9 9 10 9 18 6 10 16 125
number of very wet days     5 3 3 1 4 3 5 5 4 2 3 5 43
Driest spell (days)     3 3 5 11 7 16 5 7 2 5 3 3  
                               
Total sunshine     49.5 64.1 130.1 175.8 194.6 163.6 170.5 164.2 113.0 75.6 85.0 59.2 1445.2
Percentage of average     79 82 114 116 102 88 85 89 82 72 128 106 95.3
Sunniest day     6.8 7.1 10.8 11.9 14.4 14.1 14.1 11.7 8.6 6.9 7.1 6.0 14.4
Date     20th 13th 25th 22nd 26th 18th 17th 28th 1st 27th 8th 1st  
Dull days     13 5 4 1 3 2 0 2 1 5 3 5 44
Longest period of dull days     5 2 2 1 1 2 0 1 1 2 1 2 5
                               
Fog     2 0 0 0 0 0 0 0 0 0 0 1 3
Gales     0 1 0 0 0 0 0 0 0 0 0 0 1
Thunder     0 0 0 0 1 0 1 2 5 0 0 0 9
Snowfall     4 5 0 1 0 0 0 0 0 0 1 9 20
Snow lying     1 0 0 0 0 0 0 0 0 0 0 7 8
Air frost     13 4 0 0 0 0 0 0 0 0 3 9 29
Grass frosts     18 11 13 12 2 0 0 0 0 2 14 16 88
Concrete frosts     16 6 1 0 0 0 0 0 0 0 6 16 45
Hail     0 0 0 0 0 0 0 0 0 0 0 0 0
Ice pellets     0 1 1 1 0 0 0 2 1 0 0 0 6
                               
Ave RH% 0900hr     93 88 88 72 75 73 74 78 88 87 91 93 83.3
Ave wind speed (mph)     5.7 7.7 7.6 6.1 6.6 6.6 6.1 5.5 5.7 6.9 6.1 6.8 6.5
Compared to ave wind speed     -2.1 -0.4 -0.4 -1.3 -0.6 0.0 -0.3 -0.6 -0.4 0.2 -0.6 -0.5  
Maximum gust (mph)     41 55 36 31 31 43 31 33 39 43 38 33 55
Date     11th 23rd 2nd 30th 5th 6th 28th 18th 13th 21st 22nd 27th  
Predominant wind direction     W W W NW E W W W W SW SW/W W  
Windiest day (mph)     10.7 15.5 13.0 10.8 12.2 12.7 10.1 9.6 10.9 11.1 12.8 11.4  
Date     11th 23rd 19th 30th 5th 6th 21st 3rd 13th 11th 22nd 27th  
                               
MSLP (mb)      ##### #### #### ##### ##### #### ##### ##### ##### #### ##### ##### 1016.0
Pressure anomaly     8.2 -1.0 -1.6 9.3 1.8 -3.1 -1.2 -0.9 -2.6 3.9 3.0 -1.9 1.158333
Highest SLP (mb)     1038 1031 1034 1037 1029 1027 1026 1026 1024 1035 1030 1037 1038
Date     18th 19th 8th 15th 24th 25th 19th 8th 9th 17th 17th 10th 1st 2nd 26th 27th 17th 22nd  
Lowest SLP (mb)     996 982 984 999 994 987 1002 1003 987 995 984 976  
Date     12th 27th 5th 30th 11th 6th 26th, 30th 3rd 11th 20th 22nd 23rd 10th 0