The month so far - in the British Isles

Data for last month can be found here

The data below are for the month of May 2011.

 site -09GMT MSL Pressure- --Rainfall-- --Maximum Temp--- --Minimum Temp--- --Sunshine-- Mean Temp Rain -Sun Pres09                      
        mean   high    low  Total 12hMx  Mean  High   Low  Mean  High   Low  Total   Max Temp Anom             Anom                      
          mb     mb     mb     mm    mm     C     C     C     C     C     C     hr    hr    C    C    %    %     mb                      
03005 1009.3 1023.3  991.3  108.8   8.0  11.1  13.2   9.1   6.7   9.5   3.0  163.9  13.7  8.9 +1.2  203   97   -5.8  Lerwick             
03008 1009.5 1022.9  992.3   58.2   5.0  10.8  11.9   9.2                                                            Fair Isle           
03010 1008.5 1022.6  991.6                                                                                           Sule Skerry         
03014 1009.3 1023.8  991.2                                                                                           Foula               
03017 1009.3 1023.0  992.5   97.4   8.0  12.9  15.3   9.7   6.6   9.7   3.1  164.7  14.7  9.8 +1.2  197  108*        Kirkwall            
03026 1008.0 1021.0  987.1  148.4  14.0  13.0  18.4   9.1   7.1  10.6   3.6  162.4  14.6 10.1 +1.0  259   98*  -6.5  Stornoway           
03031 1009.3 1020.9  990.4  234.4  32.0  12.7  19.5   8.9   4.8  10.6  -2.9               8.7                        Loch Glascarnoch    
03034                       179.2  22.0  13.6  21.6   9.3   7.9  12.0   3.5              10.8                        Aultbea             
03037 1009.6 1021.1  990.5  283.6  30.0  13.9  22.7   9.3   7.0  11.6   1.5              10.5                        Lusa                
03044 1008.8 1021.5  990.3  127.6  12.0  14.3  20.5  10.2   5.1  11.2  -6.3               9.7                        Altnaharra          
03047 1011.0 1021.6  993.6  240.2  24.0  12.4  18.8   9.5   5.7  11.9  -3.9               9.0                        Tulloch Bridge      
03063 1009.8 1021.0  991.9   86.6  13.0  14.2  21.0   9.1   4.7  11.6  -3.4  182.0  13.4  9.5                        Aviemore            
03066 1009.8 1022.0  992.0   64.2  11.0  15.6  22.6  10.7   6.6  12.8  -0.3  190.5  15.0 11.1 +1.1  141  126*        Kinloss             
03068 1009.9 1022.1  992.6   74.8  12.0                     6.0  12.3  -0.7                                          Lossiemouth         
03075 1009.4 1022.7  992.6   87.4   8.0  12.6  15.6  10.1   6.4   9.8   0.0               9.5                        Wick                
03080 1010.5 1021.9  993.5   62.4  13.0  15.0  18.2  11.0   4.7  10.4  -3.4               9.8                        Aboyne              
03088 1011.2 1022.9  994.8   58.0  11.0  13.2  16.9   9.9   6.4   9.4   0.7               9.8                        Inverbervie         
03091 1011.0 1022.6  994.5                                                                                     -4.2  Aberdeen Dyce       
03094 1010.1 1022.3  993.7   57.4   7.0  13.8  16.8  11.2   7.1  10.1   2.1              10.5                        Rosehearty          
03171 1011.6 1022.5  995.5   87.8  21.0                     6.2  10.8  -1.4  202.7  14.2            177  123*        Leuchars            
03105 1011.6 1020.3  995.2  155.6  22.0  13.4  20.1  10.6   8.2  11.2   4.2              10.8                        Port Ellen          
03111 1011.9 1020.4  997.5  126.2  13.0  13.8  20.0  11.4   8.1  11.4   3.7              10.9                        Machrihanish        
03132 1013.3 1022.3 1001.2   90.0  16.0  14.1  19.6  11.1   7.8  11.6   0.3              10.9                        West Freugh         
03134 1011.8 1021.4  996.8  149.2  16.0  14.5  20.2  11.5   7.1  11.9   0.4  153.6  14.7 10.8                        Glasgow Bishopton   
03136 1012.3 1021.0  998.5  102.4  10.0  14.5  20.4  11.8   8.3  13.1   1.2  148.6  14.3 11.4                        Prestwick           
03144                                                       6.4  11.4  -2.8                                          Strathallan         
03153 1013.0 1021.9  999.9  122.6  16.0  13.1  17.1  10.9   8.0  11.7   2.9              10.6                        Dundrennan          
03155 1012.1 1020.8  998.4   87.8  10.0  13.1  19.3  10.3   6.0  12.7  -0.6               9.6                        Drumalbin           
03158                        63.6  12.0  14.8  18.7  12.1   6.0  11.1  -1.0              10.4                        Charterhall         
03162 1013.1 1021.5  999.4  224.2  28.0                     5.6  12.7  -2.3  120.3  13.7            250   85*  -2.2  Eskdalemuir         
03166 1011.9 1021.7  996.3   59.8  10.0  15.0  20.4  12.6   7.1  11.4  -0.8  180.1  13.5 11.1                        Edinburgh Gogarbank 
03210 1014.1 1023.2 1001.9  121.2  17.0  13.5  20.4  10.6   8.5  11.7   1.6              11.0                        St Bees Head        
03212                                                       8.6  14.5   2.0                                          Keswick             
03214 1014.7 1023.9 1001.6   80.2  11.0  14.9  18.9  11.4   9.6  13.8   4.4              12.3                        Walney Island       
03220 1013.6 1022.3 1000.4  101.4  10.0  15.3  19.7  12.3   8.4  13.2   1.3              11.8                        Carlisle            
03225                       194.6  34.0                                                                              Shap Fell           
03226 1013.8 1022.5 1000.7   88.2  11.0  16.0  20.6  11.6   6.9  12.7   0.3              11.5                        Warcop Range        
03348 1015.8 1024.7 1002.1   65.0   8.0                     8.1  14.1   1.5  135.8  13.6                             Woodford            
03230 1013.2 1022.2  998.9   76.8  14.0  14.3  18.3  12.0   5.4  11.4  -3.2               9.9                        Redesdale           
03238 1013.2 1022.1  999.4   52.6  11.0  14.8  19.5  11.3   6.9  11.6  -1.4              10.8                        Albermarle          
03240 1013.3 1023.1  998.9   40.8  13.0  15.4  18.6  10.8   7.5  12.8   1.5  173.3  13.1 11.4 +2.2   85  106*        Boulmer             
03257 1014.8 1023.1 1001.2   27.2  13.0                     7.1  13.3  -2.0  189.5  14.3             57  124*  -0.9  Leeming             
03261 1015.2 1023.3 1001.5   47.2  14.0  16.7  20.7  12.8   7.1  13.7  -0.9              11.9                        Dishforth           
03265 1015.2 1023.3 1001.4   43.2  14.0  16.6  21.0  13.2   6.4  13.8  -3.0              11.5                        Topcliffe           
03266 1015.2 1023.2 1001.3   38.0  14.0  16.7  21.1  12.8   7.9  14.1  -1.3              12.3                        Linton-on-Ouse      
03275 1014.2 1022.8 1000.8   17.0   2.0  15.2  19.4  10.1   7.4  13.4   1.3              11.3                        Loftus              
03281                        24.8   7.0                                                                              Fylingdales         
03292 1015.1 1023.2 1001.0   29.0   8.0  16.1  20.5  11.9   8.4  12.3   2.1              12.2                        Bridlington         
03344 1015.0 1023.4 1001.3   54.0  13.0  14.3  19.9  11.5   7.1  13.3   0.6              10.7                        Bingley             
03354 1016.5 1024.5 1002.6   45.6  13.0  16.9  22.0  12.8   8.1  14.2   0.1  169.3  13.7 12.5                        Nottingham Wea Cen  
03355 1015.4 1023.6 1001.3   46.6  14.0  16.8  21.8  12.9   7.4  14.1  -1.5  197.0  14.1 12.1                        Church Fenton       
03373 1016.0 1023.5 1001.7   34.4  11.0  17.3  22.3  12.0   7.4  14.2   0.7              12.3                        Scampton            
03377 1016.3 1023.8 1002.3   26.0   8.0  17.2  22.0  13.4   8.1  14.2   2.3  201.0  14.3 12.7 +1.6   55  100   +0.7  Waddington          
03379 1016.5 1024.1 1002.6   28.6   8.0  17.7  22.8  13.2   7.4  14.2  -0.2              12.5                        Cranwell            
03382 1015.4 1023.2 1001.2   31.0   6.0  16.9  21.7  12.4   7.4  12.4  -2.0  188.4  14.1 12.1                        Leconfield          
03385 1016.1 1023.9 1001.8               17.0  23.1  11.4   8.1  12.6   1.5              12.5                        Donna Nook          
03391                        22.4   8.0                     7.7  14.0   0.1                                          Coningsby           
03392 1016.7 1024.6 1002.4   20.6   7.0  17.4  22.6  11.8   7.9  13.3  -0.4              12.6                        Wainfleet           
03302 1015.1 1026.1 1003.6   76.0  21.0  15.0  19.9  12.2   9.8  12.3   4.7  175.0  13.7 12.4 +1.1  167   91*  -0.1  Valley              
03305 1015.7 1026.3 1003.5  187.6  23.0  13.6  18.5  10.9   8.3  12.0  -0.9              10.9                        Capel Curig         
03313 1015.6 1025.7 1002.8   49.4   5.0  15.9  20.0  11.8   8.7  13.3   3.3              12.3                        Rhyl                
03316 1015.5 1025.2 1002.1   42.2   7.0  16.1  21.2  12.9  10.2  13.9   4.4              13.1                        Crosby              
03321 1015.9 1025.8 1002.5   27.0   5.0  17.1  21.6  12.3   8.0  13.8  -0.7              12.5                        Hawarden            
03405 1016.4 1027.8 1005.2   51.4  11.0  13.6  18.2  11.1   9.5  11.7   6.7              11.5                        Aberdaron           
03410 1015.8 1025.9 1002.7  130.6  12.0  13.1  17.5  10.9   6.7  11.3   1.7               9.9                        Lake Vrynwy         
03502 1016.4 1028.4 1005.7   43.8  13.0  14.9  20.1  11.6   8.9  12.2   4.7  194.4  14.1 11.9 +1.3   91  108*  +1.0  Aberporth           
03503 1016.6 1027.7 1004.4   91.4  11.0  15.7  21.2  11.9   8.6  13.0   1.9              12.2 +1.2  138              Trawscoed           
03604 1016.9 1029.0 1006.6   38.8   9.0  15.1  18.2  13.4   9.6  12.1   5.7              12.3                        Milford Haven       
03605 1017.3 1028.7 1006.3   52.0  12.0  15.5  19.4  13.7   9.5  12.8   1.7              12.5                        Pembrey Sands       
03609 1018.0 1029.4 1006.3   53.0  14.0  14.7  17.7  12.5  10.2  12.6   7.3              12.5                        Mumbles             
03716 1017.6 1028.2 1005.4   59.6  14.0  16.0  20.6  13.4   9.4  12.6   3.7  165.5  12.3 12.7                        St Athan            
03330 1016.0 1024.9 1002.3   73.6  14.0  14.1  19.3  10.1   6.8  12.8   1.1              10.5                        Leek Thorncliffe    
03414 1016.3 1025.9 1002.3                                  7.6  13.9   0.3  167.3  13.9                 106*        Shawbury            
03520 1016.9 1026.8 1002.9   47.0  11.0  16.9  21.4  14.4   6.9  13.0  -2.1              11.9                        Shobdon             
03522 1017.4 1027.3 1003.5   42.4  10.0  17.4  22.5  13.8   7.1  12.7  -0.8              12.3                        Hereford Credenhill 
03529 1017.7 1027.0 1003.6   53.6  17.0  18.0  23.9  13.7   7.9  14.1  -1.1              12.9                        Pershore            
03535 1016.7 1025.7 1002.9                                  7.7  13.9  -1.1                                          Coleshill           
03544 1017.0 1025.7 1003.2   46.6  13.0  17.2  23.1  13.0   7.7  14.1  -0.8              12.5                        Church Lawford      
03628 1017.8 1027.7 1004.8   37.6  10.0  17.4  23.1  13.7   8.9  13.1   2.8  192.5  14.7 13.1                        Filton              
03647 1017.0 1026.1 1003.8   52.0  19.0  16.5  22.6  12.8   6.8  12.7   0.7              11.7                        Little Rissington   
03649 1017.7 1026.6 1004.3   31.6   8.0  17.9  23.2  13.8   7.8  13.7   1.3  197.6  13.0 12.8                        Brize Norton        
03658 1018.0 1026.7 1005.2   47.6  18.0  18.0  24.5  14.5   7.0  13.8   0.6              12.5                        Benson              
03660 1017.8 1026.2 1005.3   45.8  17.0  17.0  23.1  13.5   7.9  13.2   2.4              12.4                        High Wycombe        
03453 1016.4 1024.4 1002.6   42.0  16.0  17.0  22.5  12.8   7.5  14.0   2.2              12.3                        Cottesmore          
03462 1016.9 1024.6 1003.1                                  7.7  14.2   1.7  202.8  13.9                             Wittering           
03469 1016.9 1024.7 1003.0   30.6  10.0  18.2  23.4  13.1   7.9  13.6  -1.1              13.1                        Holbeach            
03482 1017.2 1025.1 1003.6                                  8.1  14.2  -0.5                                          Marham              
03488 1016.9 1025.0 1002.9    9.2   2.0  18.1  25.4  11.4   9.2  16.0   0.3              13.7                        Weybourne           
03560 1017.4 1025.2 1004.2   17.2   6.0  17.8  23.2  14.6   7.2  14.2  -0.1              12.5 +1.6   38              Bedford             
03590 1017.7 1025.6 1004.8   14.2   5.0  18.2  22.4  12.5   7.8  13.1   1.2              13.0 +1.7   32              Wattisham           
03684 1017.6 1025.4 1005.0   10.6   3.0  17.9  22.8  12.7   7.4  13.6   0.1              12.7                        Andrewsfield        
03693 1018.3 1026.1 1006.2   19.8   9.0  18.1  21.8  11.8   9.5  14.5   3.4              13.8                        Shoeburyness        
03707 1018.0 1029.6 1006.0   43.0  13.0  16.3  20.9  14.0   9.5  12.3   3.7              12.9                        Chivenor            
03740 1017.9 1027.4 1005.2   45.4  14.0  16.9  22.8  13.0   7.9  12.9   1.0  196.6  13.6 12.4 +1.2   88  100   +2.2  Lyneham             
03743 1018.1 1027.4 1006.1   42.8  16.0  16.9  22.0  13.6   7.6  12.7   1.6              12.2                        Larkhill            
03803 1018.6 1031.7 1003.1   22.8   5.0  14.9  17.1  11.6  10.9  12.2   9.3              12.9                        Scilly/St. Marys    
03808 1018.5 1031.1 1004.4   40.2   9.0  14.6  18.0  11.9   9.8  12.7   6.9  169.8  13.2 12.2                  +2.7  Camborne            
03809 1018.6 1031.0 1003.8   34.0   8.0  14.7  17.5  11.6   9.6  12.6   4.6              12.2                        Culdrose RNAS       
03823 1018.1 1029.7 1004.3   50.4  11.0  14.5  17.3  11.3   8.2  11.4   4.3              11.3                        Cardinham           
03827 1018.7 1029.9 1004.4   19.8   5.0  16.0  19.5  13.7   9.3  12.8   4.7              12.6                        Plymouth            
03840 1018.2 1028.3 1006.1   46.8  15.0  15.0  19.0  12.7   7.3  11.7   3.0              11.2                        Dunkeswell          
03853 1018.4 1028.5 1007.0   36.6  15.0  17.2  21.7  14.0   7.8  13.1   1.9  189.3  13.3 12.5 +0.9   75  116*        Yeovilton           
03857                        28.8   8.0                    10.4  12.1   6.7                                          Isle of Portland    
03672 1018.1 1026.1 1005.9   33.4  14.0  18.7  24.5  15.1   8.6  14.8   1.0              13.7                        Northolt            
03746 1018.2 1027.4 1006.4               17.2  22.6  14.0   7.8  12.7   3.0              12.5 +1.1                   Boscombe Down       
03749 1018.3 1027.3 1006.3   41.2  20.0  17.4  22.7  15.0   7.8  13.1   1.6              12.6                        Middle Wallop       
03761 1018.2 1026.6 1006.3   30.2  17.0  17.4  23.2  14.7   7.9  13.3   0.1  228.3  13.4 12.7                        Odiham              
03768 1018.3 1026.6 1006.5   31.8  13.0  18.1  23.6  15.0   7.9  13.8   0.1              13.0                        South Farnborough   
03769 1018.3 1026.4 1007.0   11.8   5.0                     6.9  13.6  -0.7  221.3  13.0                             Charlwood           
03772 1018.3 1026.3 1006.0   23.2   8.0  19.4  25.0  15.3   9.4  14.9   4.1  218.0  13.3 14.4 +1.6   47  131*  +2.5  Heathrow            
03781 1018.2 1026.0 1006.7   19.8  11.0  17.2  22.5  12.4   8.1  14.1   2.5              12.7                        Kenley              
03784 1018.1 1025.6 1006.0               19.3  24.9  13.1   9.2  14.9   0.6              14.2                        Gravesend           
03796                                                       9.4  14.2   6.3                                          Langdon Bay         
03797 1018.6 1026.4 1007.3    4.2   2.0                     9.4  14.4   4.7                          11        +2.8  Manston             
03862 1018.7 1027.7 1007.0               17.7  22.0  14.1   7.6  14.1   1.0  189.2  13.1 12.7 +1.0       104*  +3.1  Bournemouth Hurn    
03866 1018.8 1027.6 1006.2   25.0  12.0  14.7  17.5  12.8  10.3  13.6   7.6              12.5                        St Catherines Point 
03872 1018.7 1027.1 1007.5   28.8  18.0  16.9  19.8  14.7   9.3  13.6   3.0              13.1                        Thorney Island      
03874 1018.7 1027.1 1007.3               16.8  20.6  14.2  10.3  14.2   4.9              13.6                        Solent MRSC         
03876 1018.9 1027.1 1007.8   14.4   5.0                     8.4  13.7   2.4                                          Shoreham            
03882 1018.8 1027.0 1008.2                                  8.3  14.5   3.1  233.3  12.9                             Herstmonceux        
03894 1020.0 1030.2 1004.2               15.3  22.1  10.6                                                      +4.2  Guernsey Airport    
03895 1020.1 1030.4 1004.0                                                                                           Jersey Airport      
03903                       121.4  11.0  14.4  18.8  11.8   8.4  11.3   5.1              11.4                        St Angelo           
03904 1012.0 1022.0  997.3               14.4  19.4  11.5   7.6  11.4   2.2              11.0                        Castlederg          
03908 1011.8 1021.1  996.1   91.4   8.0                     8.4  12.0   4.9                                          Ballykelly          
03911 1012.3 1022.0  998.8                                  7.1  10.1   4.3                                          Lough Fea           
03915                        98.0  26.0  14.4  18.9  11.4   7.9  11.1   3.9              11.1                        Port Glenone        
03916                       107.0  12.0  13.1  17.6  10.0   7.3  10.3   4.6              10.2                        Ballypatrick Forest 
03923                        63.8   9.0  13.9  16.5  11.9   7.3  10.9   2.3              10.6                        Glennane            
03953                       166.1  36.0  14.0  18.4  12.4  10.1  12.2   7.9  131.2  11.4 12.1 +1.2  185   73         Valentia            
03955                       119.3  20.0  13.7  17.3   8.6   8.0  10.6   3.9  146.1  12.0 10.9 +0.8  142   78         Cork Airport        
03956                        42.8   7.0  14.8  18.1  13.0   9.0  11.5   4.7              11.9                        Johnstown Castle    
03962                        96.1  10.0  14.6  18.1  12.3   9.4  11.6   6.7  153.0  11.5 12.0 +0.7  160   86         Shannon Airport     
03967                        50.1  13.0  15.2  18.1  11.6   8.3  11.9   4.1  187.4  13.8 11.8                        Casement Aerodrome  
03969                        36.7   5.0  15.1  17.6  12.5   8.2  11.1   3.8  195.5  13.5 11.6 +1.1   67  104         Dublin Airport      
03973                       137.6  13.0  12.9  17.0  10.6   7.0   9.8   3.2               9.9                        Connaught Airport   
03976                       132.0  13.0  14.2  20.3  11.9   9.2  11.5   6.9  189.6  14.3 11.7 +1.4  194  100         Belmullet           
03966                                                       7.9  11.1   3.2                                          Gurteen             
03980                       103.7   8.0  13.6  18.3  11.2   8.7  11.6   5.9              11.2 +1.3  175              Malin Head          
 site -09GMT MSL Pressure- --Rainfall-- --Maximum Temp--- --Minimum Temp--- --Sunshine-- Mean Temp Rain -Sun Pres                        
The data above are for the month of May 2011 ending at 06GMT on day 01.

United Kingdom averages refer to the period 1971-2000; Republic of Ireland to 1961-1990.

09GMT MSL Pressure (mb) : mean, highest and lowest MSL pressure at 0900GMT
Rainfall (mm) : total starting 0600GMT/1st, and greatest 12-hour fall ending 06GMT or 18GMT
Maximum Temperature (degC) : for the period 06-18GMT, mean, highest and lowest
Minimum Temperature (degC) : for the period 18-06GMT, mean, highest and lowest
Sunshine (h) : total and highest daily value
Mean Temperature (degC) : the average of the mean maximum and mean minimum
Temperature anomaly (degC) : the departure from the climatological average
Rainfall percentage (%) : the monthly total as a percentage of the climatological average
Sunshine percentage (%) : the monthly total as a percentage of the climatological average (an asterisk denotes site now uses a Kipp-Zonen instrument). This change was made to the tables on 27.08.2008. See Weather, vol 61, p77.
Pressure anomaly (mb) : the departure from the climatological average

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