Month by Month Statistical Summary - 2010

  Jan Feb   Mar     April     May     June     July     August     September     October     November     December    
Air Temperatures                                                                        
The Highest Maximum: 8.2 C 22nd 9.4 C 5th,24th 15.8 C 18th 19.0 C 24th,28th 26.7 C 23rd 27.4 C 27th 28.3 C 9th 24.1 C 20th 22.0 C 11th 19.5 C 10th 17.1 C 4th 8.0 C 11th
The Lowest Maximum: 0.6 C 5th 0.8 C 18th 5.0 C 10th 7.6 C 1st 8.3 C 8th 14.3 C 19th 16.7 C 13th 14.4 C 26th 12.4 C 24th 8.0 C 20th 0.0 C 27th -2.2 C 20th
The Highest Minimum: 4.5 C 19th 4.6 C 25th 8.5 C 20th 10.5 C 29th 13.6 C 20th 14.4 C 6th 16.7 C 2nd 17.5 C 21st 15.5 C 11th 13.0 C 8th,9th 13.5 C 5th 4.0 C 30th
The Lowest Minimum: -6.6 C 7th -2.4 C 21st -4.5 C 7th 0.6 C 22nd 0.5 C 13th 6.4 C 17th,20th 9.9 C 30th 6.4 C 31st 4.2 C 20th -0.4 C 25th -6.6 C 28th -9.4 C 7th
The Mean Maximum: 3.7 C   5.5 C   10.0 C   14.5 C   16.2 C   21.4 C   22.3 C   20.0 C   18.1 C   14.1 C   8.0 C   2.5 C  
The Mean Minimum: -0.6 C   0.4 C   2.5 C   4.6 C   6.9 C   10.6 C   13.4 C   11.6 C   9.9 C   7.5 C   2.4 C   -2.9 C  
The Overall Mean: 1.6 C   3.0 C   6.3 C   9.6 C   11.6 C   16.0 C   17.9 C   15.8 C   14.0 C   10.8 C   5.2 C   -0.2 C  
Difference from the Monthly Mean: -2.4 C   -1.1 C   -0.2 C   1.4 C   0.0 C   1.7 C   1.1 C   -0.7 C   0.1 C   0.3 C   -1.7 C   -5.3 C  
                                                                         
Solar Radiation:                                                                        
Maximum (at 0900): 174.0 W/m^2 9th 285.0 W/m^2 25th 584.0 W/m^2 27th 604.0 W/m^2 16th 850.0 W/m^2 4th 716.0 W/m^2 16th 843.0 W/m^2 5th 673.0 W/m^2 9th 457.0 W/m^2 9th 396.0 W/m^2 11th 250.0 W/m^2 6th 127.0 W/m^2 10th
Mean (at 0900): 37.0 W/m^2   66.6 W/m^2   191.3 W/m^2   328.2 W/m^2   357.3 W/m^2   422.8 W/m^2   374.5 W/m^2   258.9 W/m^2   229.4 W/m^2   146.8 W/m^2   56.3 W/m^2   29.7 W/m^2  
                                                                         
Relative Humidity:                                                                        
Highest Relative Humidity (at 0900): 100.0 % 6th,11th,12th 100.0 % 5th,6th,14th,17th-19th,22nd,28th 100.0 % 23rd 90.1 % 7th 93.0 % 2nd 95.5 % 1st 96.4 % 20th 96.2 % 21st 100.0 % 27th 98.8 % 31st 100.0 % 14th,15th, 20th 100.0 % 4th,5th,8th,28th-31st
Lowest Relative Humidity (at 0900): 83.1 % 30th 73.6 % 11th 60.9 % 8th 45.7 % 23rd 52.0 % 18th 50.4 % 22nd 56.6 % 6th 62.1 % 9th 63.0 % 6th 70.6 % 20th 70.0 % 12th 55.6 % 17th
Mean Relative Humidity (at 0900): 95.0 %   94.9 %   86.0 %   73.3 %   71.3 %   72.7 %   79.5 %   83.0 %   84.4 %   88.7 %   92.9 %   91.8 %  
                                                                         
Dew Point:                                                                        
The Highest Dew Point (0900): 6.1 C 22nd 6.5 C 25th 10.5 C 20th 10.6 C 29th 14.5 C 24th 16.5 C 29th 19.8 C 20th 17.8 C 21st 15.6 C 14th 14.9 C 3rd 12.3 C 4th 4.8 C 29th
The Lowest Dew Point (at 0900): -5.6 C 7th -3.8 C 11th -5.8 C 8th -0.1 C 1st -0.8 C 11th 5.7 C 19th,20th 9.7 C 6th 7.4 C 30th 4.2 C 25th -0.5 C 20th -7.1 C 28th -10.2 C 17th
The Mean Dew Point (at 0900): 0.2 C   1.4 C   3.2 C   5.1 C   6.7 C   11.5 C   14.2 C   12.2 C   11.5 C   8.6 C   3.3 C   -1.6 C  
                                                                         
Rainfall:                                                                        
Total: 41.3 mm   69.1 mm   29.9 mm   12.4 mm   27.3 mm   31.4 mm   21.8 mm   141.5 mm   47.2 mm   42.6 mm   42.3 mm   18.4 mm  
Difference from the Monthly Mean: 74.8 %   186.8 %   65.6 %   27.6 %   55.3 %   57.5 %   48.7 %   271.6 %   84.3 %   73.8 %   84.9 %   34.3 %  
Duration: 53.3 hrs   110.7 hrs   38.4 hrs   11.9 hrs   27.5 hrs   30.7 hrs   19.6 hrs   95.0 hrs   46.5 hrs   39.5 hrs   39.2 hrs   22.5 hrs  
Highest 24 hour fall (0900 to 0900): 9.9 mm 22nd 10.3 mm 19th 6.0 mm 24th 3.8 mm 1st 14.1 mm 1st 7.5 mm 1st 5.5 mm 13th 34.5 mm 22nd 14.3 mm 6th 9.8 mm 1st 15.0 mm 8th 6.0 mm 27th
Rain Days (>/=0.2mm): 13     23     11     6     8     9     11     17     12     13     13     11    
Wet Days (>/=1.0mm): 12     16     9     5     4     7     7     14     10     9     7     6    
                                                                         
Sunshine:                                                                        
Total Duration of Bright Sunshine: 40.5 hrs   36.5 hrs   106.8 hrs   171.0 hrs   192.2 hrs   204.1 hrs   135.5 hrs   129.6 hrs   113.4 hrs   90.9 hrs   40.1 hrs   27.0 hrs  
Sunniest day: 6.4 hrs 30th 5.6 hrs 9th 8.3 hrs 7th 12.3 hrs 23rd 12.5 hrs 22nd 15.3 hrs 3rd 12.2 hrs 3rd 10.9 hrs 31st 8.5 hrs 1st 8.9 hrs 20th 5.5 hrs 6th 6.4 hrs 7th
No. of days without sunshine: 15     11     3     1     3     4     1     2     3     9     8     17    
Difference from the Monthly Mean: 72.6 %   48.3 %   93.4 %   112.2 %   103.9 %   106.9 %   62.1 %   61.6 %   73.1 %   79.7 %   44.9 %   42.4 %  
Cloud cover (mean at 0900): 5.8 oktas % 6.5 oktas % 5.6 oktas % 4.5 oktas % 5.3 oktas % 4.6 oktas % 5.8 oktas % 6.2 oktas % 6.0 oktas % 5.5 oktas % 5.9 oktas % 6.1 oktas %
                                                                         
Pressure (reduced to sea level):                                                                        
The Highest Pressure: 1041.7 mb 26th 1025.4 mb 7th 1036.3 mb 7th 1035.5 mb 10th 1032.9 mb 20th 1030.3 mb 15th 1026.3 mb 6th 1027.5 mb 31st 1024.7 mb 13th 1029.8 mb 25th 1021.9 mb 16th 1037.8 mb 15th
The Lowest Pressure: 991.2 mb 29th 984.9 mb 26th 983.3 mb 31st 1000.8 mb 3rd 1009.6 mb 1st 1001.5 mb 8th 1000.5 mb 15th 998.1 mb 23rd 1000.4 mb 7th 993.0 mb 3rd 971.7 mb 8th 992.8 mb 18th
Mean Pressure (recorded at 0900): 1016.1 mb   969.2 mb   1017.1 mb   1019.9 mb   1018.4 mb   1018.5 mb   1015.3 mb   1014.3 mb   1015.0 mb   1013.2 mb   1006.0 mb   1015.7 mb  
                                                                         
Winds                                                                        
Run of wind (mean over 24 hrs): 106.7 miles   110.9 miles   136.2 miles   128.8 miles   86.8 miles   77.4 miles   117.9 miles   130.0 miles   101.9 miles   108.7 miles   105.9 miles   96.7 miles  
Mean daily wind speed: 5.8 mph   6.0 mph   7.4 mph   7.0 mph   4.7 mph   4.2 mph   6.4 mph   7.0 mph   5.5 mph   5.9 mph   5.7 mph   5.2 mph  
Run of wind (cumulative): 3308.9 miles   3106.2 miles   4221.5 miles   3865.0 miles   2691.3 miles   2322.8 miles   3655.7 miles   4030.3 miles   3057.8 miles   3369.9 miles   3177.9 miles   2996.4 miles  
Highest Maximum Gust: 34 mph 27th 38 mph 26th 41 mph 31st 33 mph 5th 43 mph 3rd 32 mph 19th 41 mph 15th 42 mph 29th 45 mph 24th 35 mph 29th 48 mph 11th 37 mph 1st
No. of gusts of 50mph or more: 0     0     0     0     0     0     0     0     0     0     0     0    
Highest wind strength (at 0900): 18.4 mph 16th 30.0 mph 28th 18.4 mph 22nd 20.8 mph 6th 21.9 mph 9th 21.9 mph 19th 20.8 mph 16th 26.5 mph 30th 25.4 mph 24th 19.6 mph 3rd 17.3 mph 11th 19.6 mph 23rd
Mean wind strength (at 0900): 8.1 mph   7.4 mph   7.5 mph   9.2 mph   9.7 mph   7.1 mph   8.8 mph   10.7 mph   8.4 mph   8.4 mph   7.3 mph   7.1 mph  
                                                                         
Winds from the Following Directions:                                                                        
North 1     2     2     1     2     2     0     0     1     1     0     3    
North-north-east 3     3     0     1     5     1     0     1     1     2     1     3    
North-east 1     1     4     2     2     2     0     1     1     3     2     1    
East-north-east 4     0     1     2     0     0     1     0     0     3     0     1    
East 1     2     0     0     3     1     0     0     2     0     1     1    
East-south-east 0     2     0     0     1     2     0     0     2     1     0     1    
South-east 4     1     2     2     2     2     0     0     2     0     2     0    
South-south-east 2     1     2     4     1     2     1     1     2     3     2     1    
South 3     3     6     4     1     0     2     2     5     4     2     1    
South-south-west 2     1     2     1     0     0     7     4     1     1     4     3    
South-west 0     2     2     1     1     1     5     3     3     4     3     0    
West-south-west 1     0     2     0     1     3     5     3     1     2     0     2    
West 1     0     0     1     2     2     2     3     0     0     0     1    
West-north-west 1     1     4     3     1     0     2     5     1     4     3     3    
North-west 2     5     2     6     7     6     3     3     5     1     1     3    
North-north-west 5     3     2     2     2     6     2     4     2     2     9     6    
Calm 0     1     0     0     0     0     1     1     1     0     0     1    
                                                                         
Concrete                                                                        
Lowest Concrete Minimum: -6.9 C 4th -8.0 C 4th -5.7 C 7th -0.4 C 1st 0.5 C 4th 5.6 C 20th 10.0 C 30th 5.8 C 31st 3.3 C 25th -2.4 C 25th -7.6 C 28th -9.6 C 7th
Mean Concrete Minimum: -1.5 C   -1.5 C   2.0 C   4.4 C   7.4 C   11.4 C   14.0 C   11.2 C   9.6 C   6.7 C   1.1 C   -3.6 C  
                                                                         
Evaporation                                                                        
Piche 15.9 ml   28.7 ml   61.5 ml   95.3 ml   87.2 ml   102.2 ml   113.7 ml   86.2 ml   72.2 ml   45.6 ml   29.3 ml   12.5 ml  
                                                                         
Days with:                                                                        
Thunder: 0     0     0     0     0     2     1     2     0     0     0     0    
Hail <5mm: 0     1     1     0     0     0     0     0     0     0     0     0    
Hail >/=5mm: 0     0     0     0     0     0     0     0     0     0     0     0    
Snow or snow & rain: 8     9     0     0     0     0     0     0     0     0     3     8    
Snow lying: 12     8     0     0     0     0     0     0     0     0     3     16    
Fog: 2     2     0     0     0     0     0     0     0     0     4     6    
Air Frost: 16     13     8     0     0     0     0     0     0     1     10     21    
Duration of Air Frost: 226 hrs   48 hrs   40 hrs   0 hrs   0 hrs   0 hrs   0 hrs   0 hrs   0 hrs   1.8 hrs   127.5 hrs   398 hrs  
Gales: 0     0     0     0     0     0     0     0     0     0     0     0    
                                                                         
Evaporation (#2)                                                                        
Pan 0.0 mm   0.0 mm   31.7 mm   72.7 mm   94.7 mm   115.0 mm   107.2 mm   n/a mm   47.1 mm   62.8 mm   n/a mm   n/a mm  

This page was created by Pitsford Hall weather station on 09 January 2011.