Pitsford Hall weather station - Annual Statistics - 2004

  Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec  
Air Temperatures (C)                                                
The Highest Maximum: 11.5 31st 16.2 4th 19.2 31st 21 24th 24.1 17th 30 8th 28.2 29th 30.8 8th 26.4 5th 16.9 5th 13.9 17th 12.7 23rd,30th
The Lowest Maximum: 3.5 26th 4.1 28th 4.8 11th 9.4 10th 12.6 1st 15.5 1st 17.7 12th 18 30th 14.4 24th 10.7 16th 3.1 20th 3 20th
The Highest Minimum: 7.2 11th 11.5 5th 9.7 16th 9.7 17th 11.6 29th 14.6 6th 15.8 16th 19.4 9th 14.7 18th 12.5 23rd 9.6 7th 8.6 23rd
The Lowest Minimum: -5.4 29th -5.2 26th -4 1st -0.8 9th 2.1 22nd 4.2 19th 7.3 10th 8.9 21st 4.7 16th 3.6 26th -1.9 20th -3.6 20th
The Mean Maximum: 7.8   8.2   10.7   14.5   17.5   21.1   21.8   22.9   19.5   14.1   10.2   8.2  
The Mean Minimum: 1.6   2.4   2.7   5.3   7.5   11.1   11.4   13.6   10.8   7.6   4.8   2.1  
The Overall Mean: 4.7   5.3   6.7   9.9   12.5   16.1   16.6   18.3   15.2   10.9   7.5   5.2  
Difference from the Monthly Mean: 0.3   0.6   -0.8   0.8   0   1.1   -0.7   1.7   1.2   0.6   0.6   -0.3  
                                                 
Relative Humidity (%)                                                
Highest Relative Humidity (at 0900): 98.7 20th 98.7 6th 98.7 4th 98.7 29th 97.5 11th 97.8 1st 96.9 14th 97.2 10th 98.9 30th 100 14th,20th,30th 100 21st,25th 100 3rd,4th,8th,21st
Lowest Relative Humidity (at 0900): 71.4 28th 77.6 8th 67.1 21st 57.9 23rd 47.2 24th 53.6 19th 61.6 28th 67.4 11th 67.7 1st 74.5 21st 78.1 13th 72.2  
Mean Relative Humidity (at 0900): 90.7   89   87.3   80.2   77.1   75.5   77.6   84.2   82.3   91   92.4   93.3  
                                                 
Dew Point (C)                                                
The Highest Dew Point (at 0900): 9.2 31st 12.4 3rd 10.7 16th,20th 11.8 24th 13.7 17th 18.7 8th 16.9 16th 19.6 8th 16.6 5th 12.3 20th 11 7th 10.3 31st
The Lowest Dew Point (at 0900): -5.7 28th,29th -4.6 26th -5.1 1st 2.7 7th 4.1 5th 6.1 19th 9.8 9th 11.2 22nd 5.6 24th 6.2 21st -2 13th -2.6 19th
The Mean Dew Point (at 0900): 3.2   3.2   3.7   7   9.8   12.6   13   15.1   12.2   9   5.7   3.8  
                                                 
Rainfall                                                
Total (mm) 91.8   22.1   35.1   68.7   43.6   31.7   49   121.1   41.1   118.4   39.7   19.6  
Difference from the Monthly Mean (%) 175.5   58.6   78   130.9   87.6   55.5   102.3   248.7   72.4   214.9   74.5   31.2  
Duration (hrs) 66   25.2   28.2   59.9   37.2   24.1   24.8   49   43   63.1   44   22.7  
Highest 24 hour fall (from 0900,mm): 15 30th 5.8 5th 12.5 12th 16.5 18th 11.9 31st 14.1 22nd 29.1 7th 27.7 9th 8.1 12th 17.6 19th 20.5 18th 7.9 27th
Rain Days (>/=0.2mm): 23   12   18   16   12   11   15   20   14   18   14   9  
Wet Days (>/=1.0mm): 16   7   9   12   10   7   11   17   10   15   10   6  
                                                 
Sunshine (hrs)                                                
Total Duration of Bright Sunshine: 57.8   78.3   98.9   142.2   194   189.3   156.1   182.4   156.2   86.9   54.7   58.5  
Sunniest day: 7 29th 8.6 20th 8.8 1st 11.9 23rd 12.8 16th,18th 12.8 13th 12.8 23rd 14.2 7th 10.3 2nd 8.4 21st 7.7 13th 6.7 28th
Sunless days: 15   8   4   4   3   2   1   1   3   8   12   11  
Cloud cover (mean at 0900, oktas): 6   5.7   6.9   5.8   5.1   5.7   6   5.6   5   5.9   5.8   5.9  
                                                 
Pressure (reduced to sea level,mb):                                                
The Highest Pressure: 1026.8 18th 1034.9 9th 1035.4 9th 1026 24th 1029.7 16th 1032.2 13th 1025.8 24th 1021.7 1st 1035.5 8th 1023.3 31st 1038.2 14th 1031.7 8th
The Lowest Pressure: 979.9 13th 999.4 27th 998.9 21st 976.8 18th 976.6 5th 987.2 23rd 1005.2 8th 997 18th 995.9 14th 990.7 20th 1012.7 18th 991 17th
Mean Pressure (recorded at 0900): 1006.1   1019.8   1018.4   1011.2   1015.2   1016.4   1015.3   1009.8   1018   1006.6   1022.8   1018  
                                                 
Winds                                                
Run of wind (mean over 24 hrs, miles): 175.9   155.1   126.2   128.6   84.3   104.5   92.2   83.9   127   134.1   108.8   125.1  
Mean daily wind speed (mph) 9.5   8.4   6.8   7   4.6   5.7   5   4.5   6.9   7.3   5.9   6.8  
Run of wind (monthly, miles): 5453.7   4499.2   3911.6   3853.7   2612.9   3133.6   2858.1   2602.4   3809.4   4156.6   3263   3877.3  
Highest Maximum Gust (mph) 54 31st 55 7th 59 20th 38 3rd 30 7th 40 23rd,27th 42 7th 32 30th 37 20th 44 22nd 38 12th 48 17th
Other gusts 50mph or more:     50 8th 50 21st                                    
                                                 
Highest wind strength (at 0900,mph): 31.1 31st 33.4 3rd 34.6 19th 17.3 7th 18.4 8th 17.3 15th 16.1 7th 11.5 30th 24.2 14th 25.4 21st 18.4 10th 13.8 15th
Mean wind strength (at 0900,mph): 10.5   10.6   9.2   7.4   5   6.6   5.3   5.1   8.1   8.9   6.1   7  
Winds from the Following Directions:                                                
N 1   8   8   5   11   0   2   1   1   4   2   0  
NE 2   3   3   1   1   1   2   2   2   3   1   1  
E 0   0   0   0   2   0   0   0   3   3   0   3  
SE 2   0   3   2   2   2   3   6   2   2   2   1  
S 11   4   8   10   3   8   5   10   6   10   6   14  
SW 2   3   1   2   1   3   2   2   4   2   1   2  
W 3   2   1   2   1   5   3   3   5   3   4   4  
NW 9   9   4   6   10   11   13   5   5   2   12   5  
Calm 1   0   0   2   0   0   1   2   2   2   2   1  
Ground Temperatures (C)                                                
Lowest Grass Minimum: -8.1 30th -9.7 26th -9.5 1st -4 9th -0.4 22nd 1.4 19th 4.1 13th 6.5 28th 0.6 25th -1.3 26th -6.8 20th -8.2 26th
Mean Grass Minimum: -1.3   -1.2   -1   2.2   5.2   8.3   9   11.5   7.8   4.1   1.1   -2  
Lowest Concrete Minimum: -6.2 30th -7.4 26th -6.4 1st -1 9th 2.7 22nd 5.1 19th 6.8 13th 8.5 28th 4.1 25th 2.1 19th,26th -2.9 14th -5.2 28th,27th
Mean Concrete Minimum: 1.1   0.4   1.1   4.3   7.4   10.6   11.1   13.1   9.4   5.8   3.4   -0.3  
Lowest Bare Earth Minimum: -2.5 30th -3 26th.27th -3.6 3rd 0.5 9th 3.6 23rd 5.1 19th 6.9 13th 10 28th 5.4 24th 3.5 19th,26th,27th -0.7 20th -2.2 27th
Mean Bare Earth Minimum: 1.2   1.9   2   5.1   7.9   11.1   11.8   14.1   10.4   7   4.9   1.6  
                                                 
Soil/Earth Temperatures (C)                                                
Surface mean: 4.1   4.7   5.6   10   14.2   18.3   17.9   18.5   14.7   10.1   7.2   4.6  
5cm mean: 3.8   4.5   5   9.1   13   16.7   16.5   17.9   14.3   10.1   7.3   4.6  
10cm mean: 4.1   4.8   5.2   9.4   13.2   17   16.9   18.3   14.7   10.4   7.6   5  
20cm mean: 4.6   5.4   5.7   9.9   13.5   17   17.1   18.7   15.3   11.2   8.4   5.5  
30cm mean: 4.6   5.5   5.8   10   13.6   17.2   17.4   19   15.9   11.8   8.6   5.7  
40cm mean: 4.6   5.4   5.7   9.9   13.4   17.1   17.3   19   15.8   11.6   8.7   5.7  
50cm mean: 5   5.8   5.9   10   13.5   17.2   17.5   19.2   16.3   12.3   9.2   6.3  
100cm mean: 5.7   6   5.6   8.6   11.7   15.2   15.9   17.6   15.9   12.8   10.1   7.4  
                                                 
                                                 
Days with:                                                
Thunder: 0   0   0   1   0   0   2   7   0   0   0   0  
Hail less than 0.5mm: 0   0   2   2   0   0   0   0   0   0   0   0  
Hail greater than/equal to 0.5mm: 0   0   0   0   0   0   0   0   0   0   0   0  
Snow or snow & rain: 4   2   4   0   0   0   0   0   0   0   2   0  
Snow lying: 3   3   1   0   0   0   0   0   0   0   2   0  
Fog 1   3   3   1   1   1   0   0   0   1   2   4  
Air Frost: 11   11   5   1   0   0   0   0   0   0   3   8  
Duration of Air Frost (hrs) 66   104   20   1   0   0   0   0   0   0   10   54  
Ground Frost: 21   17   18   7   1   0   0   0   0   2   11   21  

This page was created by Pitsford Hall weather station on 05 January 2005.