Annual Summary - 2007

  Jan     Feb     Mar     Apr     May     Jun     Jul     Aug     Sep     Oct     Nov     Dec    
Air Temperatures                                                                        
The Highest Maximum: 13.1 C 9th 12.1 C 21st 15.7 C 11th 23.4 C 15th 23.0 C 23rd 24.6 C 9th 23.9 C 19th 28.1 C 5th 23.5 C 6th 17.6 C 12th 15.5 C 1st & 2nd 14.9 C 6th
The Lowest Maximum: 3.0 C 23rd 0.2 C 8th 6.3 C 20th 8.5 C 3rd 9.4 C 28th 14.7 C 6th 14.6 C 20th 16.8 C 20th 12.0 C 26th 10.0 C 25th 6.1 C 23rd 1.4 C 21st
The Highest Minimum: 9.5 C 10th 7.0 C 20th & 24th 6.4 C 12th & 31st 13.1 C 25th 14.8 C 24th 14.3 C 9th 15.5 C 16th 14.8 C 19th 13.8 C 1st 14.1 C 13th 9.4 C 11th 9.2 C 28th
The Lowest Minimum: -2.5 C 24th -5.8 C 7th -2.0 C 21st 2.3 C 4th 2.5 C 30th 6.4 C 28th 8.5 C 8th,30th 8.4 C 8th 4.5 C 18th 2.3 C 20th -2.6 C 24th -5.2 C 20th
The Mean Maximum: 9.5 C   8.9 C   11.5 C   17.1 C   16.2 C   19.7 C   19.6 C   20.8 C   18.2 C   14.6 C   10.4 C   7.5 C  
The Mean Minimum: 3.9 C   2.6 C   2.8 C   6.1 C   8.0 C   10.7 C   11.6 C   11.8 C   10.0 C   7.9 C   3.6 C   2 C  
The Overall Mean: 6.7 C   5.8 C   7.2 C   11.6 C   12.1 C   15.2 C   15.6 C   16.3 C   14.1 C   11.3 C   7.0 C   4.8 C  
Difference from the Monthly Mean: 2.3 C   1.1 C   -0.3 C   2.5 C   -0.4 C   0.2 C   -1.7 C   -0.3 C   0.1 C   1.0 C   0.1 C   -0.7 C  
                                                                         
Relative Humidity:                                                                        
Highest Relative Humidity (at 0900): 98.7 % 16th 100.0 % 17th 98.6 % 26th 100.0 % 13th 95.3 % 7th & 15th 97.8 % 10th 97.7 % 21st 94.9 % 14th 96.8 % 6th 97.7 % 9th 100.0 % 19th,20th,22nd,27th 100 % 21st,23rd
Lowest Relative Humidity (at 0900): 79.6 % 15th 79.3 % 16th 56.0 % 18th 59.7 % 19th 58.4 % 1st 44.6 % 27th 64.2 % 30th 63.8 % 1st 60.9 % 4th 73.8 % 8th 74.8 % 7th 76.2 %  
Mean Relative Humidity (at 0900): 89.4 %   93.4 %   86.5 %   77.2 %   80.0 %   80.1 %   79.5 %   78.7 %   81.5 %   87.5 %   90.5 %   90.6 %  
                                                                         
Dew Point:                                                                        
The Highest Dew Point (0900): 11.3 C 18th 8.7 C 20th 9.0 C 17th 13.1 C 24th 14.0 C 24th 16.1 C 12th 14.6 C 16th 15.9 C 15th 13.8 C 6th 14.4 C 12th 10.9 C 1st 11.7 C 5th
The Lowest Dew Point (at 0900): -3.8 C 23rd -4.1 C 7th -3.8 C 21st 3.3 C 4th 5.0 C 28th 2.3 C 27th 7.9 C 30th 8.2 C 8th 4.0 C 18th 1.2 C 21st -1.8 C 24th -4.5 C 20th
The Mean Dew Point (at 0900): 4.6 C   4.0 C   4.2 C   7.4 C   9.1 C   12.0 C   11.7 C   11.9 C   10.7 C   8.7 C   5.1 C   2.8 C  
                                                                         
Rainfall:                                                                        
Total: 66.4 mm   69.8 mm   52.3 mm   1.6 mm   130.3 mm   176.1 mm   77.8 mm   27.8 mm   38.2 mm   49.7 mm   55.6 mm   38.5 mm  
Difference from the Monthly Mean: 126.9 %   185.2 %   116.2 %   3.0 %   261.6 %   308.4 %   162.4 %   57.1 %   67.4 %   90.2 %   104.3 %   61.2 %  
Duration: 42.6 hrs   73.0 hrs   39.3 hrs   3.0 hrs   94.0 hrs   75.4 hrs   51.1 hrs   26.7 hrs   33.3 hrs   28.5 hrs   40.1 hrs   37.8 hrs  
Highest 24 hour fall (0900 to 0900): 12.5 mm 9th 12.7 mm 9th 19.5 mm 2nd 1.2 mm 26th 30.8 mm 27th 68.8 mm 14th 26.6 mm 20th 7.3 mm 15th 11.3 mm 25th 31.7 mm 16th 24.7 mm 18th 6.7 mm 8th
Rain Days (>/=0.2mm): 22     20     14     2     20     18     18     10     10     7     12     13    
Wet Days (>/=1.0mm): 17     15     9     1     15     14     14     6     8     3     8     9    
                                                                         
Sunshine:                                                                        
Total Duration of Bright Sunshine: 55.5 hrs   64.2 hrs   170.9 hrs   213.3 hrs   142.4 hrs   132.6 hrs   200.7 hrs   198.7 hrs   152.1 hrs   99.4 hrs   63.7 hrs   40.5 hrs  
Sunniest day: 5.4 hrs 23rd 7.0 hrs 3rd 9.4 hrs 13th 11.9 hrs 28th 11.3 hrs 1st 12.5 hrs 1st 13.9 hrs 31st 13.1 hrs 25th 11.0 hrs 3rd 9.6 hrs 21st 6.1 hrs 6th 6.2 hrs 29th
No. of days without sunshine: 6     4     3     1     4     5     3     3     1     7     7     15    
Difference from the Monthly Mean: 125 %   104.6 %   182.6 %   159.4 %   83.8 %   84.1 %   113.5 %   117 %   114.9 %   75.1 %   110.8 %   70.4 %  
Cloud cover (mean at 0900): 6.0 oktas 6.1 oktas 4.4 oktas 4.4 oktas 6.3 oktas 6.3 oktas   6.5 oktas   5.3 oktas   4.8 oktas   5.3 oktas   5.5 oktas   6.1 oktas  
                                                                         
Pressure (reduced to sea level):                                                                        
The Highest Pressure: 1032.8 mb 27th 1040.8 mb 3rd 1036.1 mb 14th 1035.5 mb 2nd 1023.5 mb 23rd 1027.1 mb 5th 1021.4 mb 31st 1029.2 mb 26th 1032.4 mb 7th 1038.0 mb 20th 1034.4 mb 2nd 1041.6 mb 13th,14th
The Lowest Pressure: 981.9 mb 18th 976.0 mb 12th 989.0 mb 1st 1012.0 mb 25th 998.9 mb 27th 996.2 mb 25th 998.3 mb 3rd 993.4 mb 15th 1003.6 mb 24th 1011.8 mb 16th 998.2 mb 21st 979 mb 9th
Mean Pressure (recorded at 0900): 1014.9 mb   1007.0 mb   1016.2 mb   1023.7 mb   1011.5 mb   1012.0 mb   1010.8 mb   1015.7 mb   1020.9 mb   1024.2 mb   1020.2 mb   1019.9 mb  
                                                                         
Winds                                                                        
Run of wind (mean over 24 hrs): 189.3 miles   126.4 miles   150.5 miles   104.7 miles   101.9 miles   79.3 miles   103.0 miles   122.2 miles   120.6 miles   78.0 miles   119.9 miles   171.5 miles  
Mean daily wind speed: 10.3 mph   6.8 mph   8.2 mph   5.7 mph   5.5 mph   4.3 mph   5.6 mph   6.6 mph   6.5 mph   4.2 mph   6.5 mph   9.3 mph  
Run of wind (cumulative): 5869.2 miles   3539.0 miles   4666.9 miles   3140.3 miles   3159.7 miles   2377.6 miles   3191.5 miles   3787.6 miles   3618.5 miles   2417.6 miles   3597.2 miles   5316 miles  
Highest Maximum Gust: 65 mph 18th 44 mph 12th 51 mph 17th 34 mph 1st 47 mph 27th 43 mph 25th 35 mph 20th 45 mph 21st 39 mph 24th 33 mph 28th 46 mph 8th 59 mph 6th
No. of gusts of 50mph or more: 1     0     2     0     0     0     0     0     0     0     0     1    
Highest wind strength (at 0900): 25.4 mph 11th 19.6 mph 15th 23.1 mph 20th 19.6 mph 1st 26.5 mph 28th 17.3 mph 26th 18.4 mph 30th 20.8 mph 21st 23.1 mph 27th 21.9 mph 28th 19.6 mph 10th 28.8 mph 28th
Mean wind strength (at 0900): 12.9 mph   6.7 mph   8.3 mph   7.8 mph   7.3 mph   5.5 mph   7.8 mph   8.0 mph   9.6 mph   5.1 mph   6.9 mph   8.4 mph  
                                                                         
Winds from the Following Directions:                                                                        
North 0     1     0     2     0     1     1     2     3     0     2     2    
North-north-east 1     1     3     9     2     2     2     1     4     1     0     0    
North-east 1     1     1     2     3     3     0     2     0     2     0     0    
East-north-east 0     0     0     1     0     1     0     0     0     3     0     2    
East 0     1     0     0     0     1     1     0     0     3     0     3    
East-south-east 0     0     0     0     0     1     0     0     0     1     0     2    
South-east 0     1     1     1     0     0     0     0     0     0     2     0    
South-south-east 0     5     0     4     3     3     2     2     0     1     0     2    
South 0     2     4     2     3     1     1     2     3     2     2     7    
South-south-west 13     3     2     0     2     3     6     4     2     4     4     6    
South-west 3     1     1     0     0     0     2     0     1     0     1     0    
West-south-west 3     0     3     1     2     2     1     1     0     0     3     2    
West 0     2     3     0     1     2     4     1     1     0     3     2    
West-north-west 4     2     1     3     2     0     3     4     1     1     2     0    
North-west 1     1     2     1     1     2     2     4     0     0     5     2    
North-north-west 5     3     4     3     5     3     3     7     11     3     4     0    
Calm 0     4     6     1     7     5     3     1     3     10     2     1    
                                                                         
Ground Temperatures:                                                                        
Lowest Grass Minimum: -7.5 C 24th -10.2 C 7th -6.4 C 22nd -3.0 C 4th -1.8 C 30th _     _     _     _     _     _     _    
Mean Grass Minimum: -0.5 C   -1.2 C   -1.0 C   2.4 C   5.0 C   _     _     _     _     _     _     _    
Lowest Concrete Minimum: -4.6 C 25th -6.8 C 7th -3.4 C 21st 0.4 C 5th 2.0 C 30th _     _     8.1 C 17th 1.1 C 18th 0.3 C 19th -4.8 C 24th -7.1 C 20th
Mean Concrete Minimum: 1.2 C   0.7 C   1.5 C   5.3 C   7.1 C   _     _     11.6 C   8.5 C   6.4 C   1.4 C   -0.3 C  
Lowest Bare Earth Minimum: -2.1 C 26th -3.6 C 8th -2.0 C 21st 1.0 C 4th 2.6 C 30th _     _     _                            
Mean Bare Earth Minimum: 2.3 C   1.5 C   2.1 C   5.3 C   7.6 C   _     _     _                            
                                                                       
Soil/Earth Temperatures:                                                              
Surface mean: 5.3 C   4.5 C   5.6 C   11.0 C   13.5 C   _     _     _     _     _     _          
5cm mean: 5.2 C   4.4 C   5.4 C   10.2 C   12.5 C   _     _     _     _     _     _          
10cm mean: 5.4 C   4.6 C   5.7 C   10.5 C   12.7 C   _     _     _     _     _     _          
20cm mean: 5.9 C   5.0 C   6.4 C   11.0 C   13.1 C   _     _     _     _     _     _          
30cm mean: 6.1 C   5.0 C   6.8 C   11.2 C   13.4 C   _     _     _     _     _     _          
40cm mean: 6.1 C   5.0 C   6.7 C   10.9 C   13.3 C   _     _     _     _     _     _          
50cm mean: 6.6 C   5.3 C   7.0 C   11.0 C   13.6 C   _     _     _     _     _     _          
100cm mean: 7.1 C   5.7 C   7.0 C   9.6 C   12.3 C   _     _     _     _     _     _          
                                                                         
Days with:                                                                        
Thunder: 0     0     1     0     1     2     1     1     1     0     0     0    
Hail <5mm: 1     0     2     0     0     0     0     0     0     0     1     0    
Hail >/=5mm: 0     0     0     0     0     0     0     0     0     0     0     0    
Snow or snow & rain: 1     2     4     0     0     0     0     0     0     0     1     0    
Snow lying: 3     3     1     0     0     0     0     0     0     0     0     0    
Fog: 0     1     2     1     0     0     0     0     0     0     3     2    
Air Frost: 4     8     2     0     0     0     0     0     0     0     5     11    
Duration of Air Frost: 20 hrs   61 hrs   19     0     0     0     0     0     0     0     17.5     57    
Ground Frost: 16     14     20     5     1     _     _     _     _     _     _          
Gales: 2     0     0     0     0     0     0     0     0     0     0     1    
                                                                         
Total (Pan) Evaporation: 11.65 mm   5.62 mm   47.67 mm   86.13 mm   70.98 mm   _     74.96 mm   113.54 mm   74.04 mm   24.87 mm   10.12 mm   n/a mm  

This page was created by Pitsford Hall weather station on 02 January 2008.