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 2021.

 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                      
03002 1009.7 1018.5 1000.5    8.2   2.0   8.5   9.0   8.0   2.2   3.8   0.3               5.3 -3.0   16              Baltasound          
03005 1009.5 1018.1 1000.4    9.0   3.0   7.7   8.1   7.0   2.3   3.4   1.2   23.4   6.3  5.0 -3.0   17   15   -4.9  Lerwick             
03008 1009.9 1018.3 1000.0    3.4   1.0   7.6   8.0   7.2   2.8   4.1   1.3               5.2 -5.2    8              Fair Isle           
03017 1010.4 1018.5 1000.5    1.8   0.6   8.8   9.8   8.2   2.6   4.0   0.6   32.6   9.7  5.7 -3.1    4   20*        Kirkwall            
03023 1011.1 1019.2 1003.0   18.2   8.0   8.7   9.8   7.6   3.2   4.9   2.0               6.0 -4.2   31              South Uist Range    
03026 1011.7 1019.3 1003.4   10.4   3.0   8.8   9.5   8.0   2.7   4.1   1.2   19.2   6.0  5.8 -3.5   17        -2.2  Stornoway           
03031 1011.0 1018.6 1001.6   21.6  13.0   7.8   9.0   6.2  -0.2   2.1  -3.1   16.8   5.4  3.8 -4.9   25              Loch Glascarnoch    
03034 1011.3 1019.1 1002.2    6.6   3.0   9.5  10.5   7.3   2.9   5.2   1.6               6.2 -4.1                   Aultbea             
03044 1011.2 1019.0 1001.8   41.0  28.0   9.1  10.1   6.9  -1.0   2.2  -4.3   14.5   5.2  4.1 -5.0   67              Altnaharra          
03047 1011.0 1019.0 1001.0   14.2   5.0                     0.2   2.3  -2.4                          17              Tulloch Bridge      
03062 1010.8 1019.0 1000.4   14.0  10.0   9.5  10.3   8.2   1.2   4.5  -3.4               5.4 -4.2   29              Tain Range          
03063 1010.2 1018.3  999.1   22.2   7.0   7.8   8.8   6.6   0.6   2.8  -1.0   12.5   4.9  4.2                        Aviemore            
03066 1010.7 1018.9  999.7   25.8  15.0   9.5  10.3   8.3   2.2   4.0  -1.7   30.3  10.4  5.9 -4.3   54   18*        Kinloss             
03068 1010.7 1019.0  999.6   21.0   8.0   9.0   9.8   8.3   2.8   4.7   0.2               5.9 -4.0   43              Lossiemouth         
03075 1010.4 1018.5 1000.1    5.4   3.0   8.5   9.4   7.3   0.7   3.9  -1.4               4.6 -4.0   11              Wick                
03080 1009.7 1018.4  997.2   32.2  19.0   8.9   9.5   8.0   0.1   2.6  -2.6               4.5 -4.9   54              Aboyne              
03088 1009.3 1018.3  995.3                8.1   8.8   7.0   1.9   3.7   0.4               5.0 -3.8                   Inverbervie         
03091 1009.6 1018.4  996.1   33.6  14.0   7.9   8.5   7.2   0.6   4.0  -1.4   22.2   6.2  4.3 -5.3   60   13*  -5.1  Aberdeen Dyce       
03171 1009.8 1018.6  996.6   38.8  16.0  10.2  11.4   8.8   1.7   4.2  -0.3   25.2   7.7  5.9 -4.0   80   14*        Leuchars            
03100 1010.5 1019.7 1001.9   21.2  18.0   8.9  10.0   7.5   3.8   5.8   1.5   32.4   9.5  6.3 -3.7   36        -3.5  Tiree               
03105 1010.0 1019.8 1001.4   40.4  38.0  10.0  11.0   7.4   0.7   4.6  -2.4               5.3 -4.8   65              Port Ellen          
03111 1010.2 1019.6 1001.0   36.2  35.0   9.6  10.8   7.4   2.4   4.3  -0.7               6.0 -4.3   57              Machrihanish        
03132 1010.6 1019.7 1000.5   37.8  30.0  11.3  12.9  10.3   0.9   4.7  -2.5               6.1 -4.4   66              West Freugh         
03134 1010.2 1018.8  999.2   30.0  23.0  10.3  12.1   6.5   1.1   3.2  -1.3   20.2  10.1  5.7                        Glasgow Bishopton   
03136 1010.2 1019.0  999.7   17.0  11.0   9.9  10.9   7.5   1.5   4.5  -1.6   26.6  13.1  5.7 -5.1        12         Prestwick           
03144 1010.5 1018.9  998.5   29.4  19.0  10.1  12.0   7.7   1.2   3.7  -1.0               5.6 -4.6   47              Strathallan         
03153 1009.9 1019.0  998.0   28.4  26.0   9.6  10.2   9.2   2.1   3.9  -0.3   21.6  12.2  5.9                        Dundrennan          
03155 1009.9 1018.4  998.0   19.4   8.0   8.3  10.6   5.9  -0.1   2.4  -1.7               4.1 -5.4   38              Drumalbin           
03158 1009.3 1018.1  994.9   27.2  10.0   9.7  10.5   8.8   0.6   4.3  -1.8   25.1   8.3  5.2 -4.8   53              Charterhall         
03162 1010.1 1018.8  996.4                9.9  16.6   5.7  -2.3   1.8  -5.5   18.3   8.5  3.8 -5.4        12*  -5.0  Eskdalemuir         
03166 1010.0 1018.4  997.3   28.4  14.0  10.7  12.2   8.6   0.9   4.0  -1.1   16.3   6.6  5.8 -4.7   58    9         Edinburgh Gogarbank 
03204 1010.8 1019.8 1000.3   35.2  20.0  11.0  12.4   9.7   4.4   6.6   1.6   30.8   9.4  7.7 -3.2   69   14         Ronaldsway          
03210 1010.5 1019.7  998.1   37.4  31.0   9.5  10.2   8.5   3.0   4.5   1.3               6.3 -4.2   60              St Bees Head        
03212                                                       0.1   4.4  -2.9                                          Keswick             
03214 1010.7 1020.2  997.4   44.0  29.0  10.6  11.6  10.1   3.1   5.7   0.6               6.8 -4.7   78              Walney Island       
03220 1010.4 1019.3  996.6   15.0   8.0  10.7  11.4   9.6   0.9   4.3  -1.9               5.8 -5.3   27              Carlisle            
03225 1010.2 1019.2  996.2   50.2  35.0   9.0  11.0   7.2  -2.1   3.0  -5.8   21.7  10.9  3.5 -5.8   51              Shap Fell           
03226 1009.9 1019.1  995.3   35.0  13.0   8.3  10.4   5.8  -1.1   2.3  -3.2               3.6 -6.5   62              Warcop Range        
03351                                                       1.7   5.1  -1.4   20.2   9.2                             Rostherne           
03230 1009.4 1018.4  994.4   35.2  21.0   8.9  10.6   7.1  -1.9   1.9  -4.7               3.5                        Redesdale           
03238 1009.0 1018.2  993.3   11.2   6.0  10.0  12.4   8.7   0.1   2.8  -2.2               5.1 -4.6   27              Albermarle          
03240 1009.2 1018.8  992.7   25.6  17.0   9.0   9.3   8.5   2.9   4.4   0.4   29.6  10.6  5.9 -3.8   57   15         Boulmer             
03257 1009.8 1019.4  993.2   29.0  18.0  11.6  12.9  10.5   1.2   5.1  -2.2   22.4   9.4  6.4 -4.5   67   13*  -5.6  Leeming             
03265 1009.9 1019.7  992.8   28.0  19.0  11.2  12.1   9.5   0.4   5.3  -4.0               5.8 -4.9   66              Topcliffe           
03266 1009.8 1019.6  992.7               11.3  12.4  10.3   1.6   5.4  -1.0               6.4 -4.9                   Linton-on-Ouse      
03275 1008.9 1019.2  990.8                                  1.9   4.4  -0.8                                          Loftus              
03281                        36.6  19.0                                                              64              Fylingdales         
03292 1008.5 1019.2  989.0   18.6  10.0  10.4  11.4   9.3   3.2   5.5   0.6               6.8 -3.8   48              Bridlington         
03344 1010.4 1019.9  994.8   30.0  21.0   8.8  10.7   7.6   1.4   3.6  -0.5               5.1 -5.0   46              Bingley             
03346                        24.4  17.0                                                                              Emley Moor No.2     
03354 1011.0 1020.2  995.1   26.0  12.0  10.6  13.9   9.3   3.0   5.9   0.7   19.2   9.1  6.8                        Nottingham Wea Cen  
03373 1010.0 1019.9  992.3   20.2   9.0  11.5  14.0  10.6   1.6   5.7  -1.8               6.6 -4.7   43              Scampton            
03377 1010.3 1020.1  992.8   15.8   7.0  11.0  13.4   9.7   3.4   6.0   1.9   25.4   9.2  7.2 -4.4   33   13*  -5.2  Waddington          
03379 1010.7 1020.3  993.6   15.4   7.0  11.5  14.1  10.1   2.4   5.9  -0.3               7.0 -4.5   31              Cranwell            
03382 1009.2 1019.5  990.7   21.8  13.0  11.2  12.8   9.4   2.1   5.8  -2.5               6.7 -4.2   47              Leconfield          
03385 1009.4 1019.9  990.0               10.6  11.8   9.1   3.4   6.5   0.3               7.0                        Donna Nook          
03391 1010.3 1020.3  992.5   19.8   8.0  11.5  13.6  10.3   2.3   6.7  -1.5               6.9 -4.8   43              Coningsby           
03392                                                       2.0   6.7  -1.0                                          Wainfleet           
03302 1011.9 1020.4 1002.3   23.2  17.0  11.4  12.6   9.9   3.9   7.4   1.6   31.9   9.3  7.7 -3.9   48   16*  -3.1  Valley              
03301 1011.9 1020.4 1002.0   22.0  18.0  10.9  12.4   9.9                                                            Raf Mona            
03313 1011.7 1020.5 1000.4   42.8  19.0  10.7  12.0   9.4   2.9   5.5   0.7               6.8 -4.6   77              Rhyl                
03316 1011.4 1020.4  998.8   18.4  12.0  11.3  12.1  10.5   4.2   7.8   0.4               7.8 -4.0   34              Crosby              
03318                        28.8  25.0                                                                              Blackpool           
03321 1011.8 1020.8  998.8   41.8  16.0  11.3  12.9   9.8   2.5   6.0  -0.6   27.1  10.6  6.9 -4.7   73              Hawarden            
03405 1011.3 1021.3 1001.5   27.0  23.0  11.2  11.8  10.8   4.6   8.1   2.9   36.0  12.1  7.9 -3.3   52              Aberdaron           
03409 1011.8 1020.7 1000.8   61.0  40.0  10.4  11.4   9.4   1.1   6.2  -3.5   17.8   6.2  5.8 -4.5   84   11         Bala                
03410 1011.5 1019.9 1000.2   54.0  34.0   8.9  10.1   8.0   0.9   4.1  -1.1   22.5   7.8  4.9 -4.9   58              Lake Vrynwy         
03502 1013.1 1021.3 1004.7   24.2  20.0  10.3  11.7   9.0   4.6   6.8   2.3   33.6  12.6  7.4 -3.4   45   16*  -2.2  Aberporth           
03503 1012.7 1021.0 1003.0   45.2  28.0  11.7  13.0  10.1   1.8   6.2  -3.3               6.7 -4.6   65              Trawscoed           
03507 1012.7 1020.9 1002.9   37.2  23.0   9.7  10.9   9.0   0.7   4.2  -3.6               5.2                        Sennybridge         
03604 1013.5 1021.6 1005.8   17.2  15.0  12.1  13.2  10.8   5.1   8.9   2.8               8.6                        Milford Haven       
03605 1013.7 1021.9 1005.1   17.0  14.0  12.0  13.0  11.1   2.9   8.3  -3.1               7.4 -4.2   24              Pembrey Sands       
03609 1014.3 1022.4 1005.1   10.4   6.0  11.9  12.7  10.9   5.6   8.3   3.6               8.8 -3.3   17              Mumbles             
03716 1013.6 1021.4 1003.9   15.8   7.0  11.5  12.3  10.3   4.8   8.1   2.8   31.5  12.1  8.1 -3.9   25   14         St Athan            
03330 1011.2 1020.1  996.9   28.4  13.0   8.6  12.0   7.0   1.7   3.9  -0.1               5.2 -5.0   43              Leek Thorncliffe    
03414 1011.9 1020.9  998.9   23.2  13.0  10.7  12.5   8.9   1.4   5.8  -2.3   22.9   7.3  6.0 -5.2   43   14*        Shawbury            
03520 1012.4 1020.9 1000.3   21.4  17.0  11.6  14.1  10.2   1.2   6.3  -2.3   32.8   9.6  6.4 -5.0   39              Shobdon             
03522 1013.0 1021.4 1001.2   16.4  15.0  12.0  14.2   9.6   1.6   6.0  -1.6               6.8 -4.9   32              Hereford Credenhill 
03529 1013.0 1021.6  999.8   21.4   9.0  12.8  16.4  10.2   1.9   6.5  -2.3               7.3 -4.7   40              Pershore            
03535 1011.6 1020.4  997.7   15.4  10.0  11.1  14.8   9.8   2.4   6.3  -0.9               6.8 -4.8   29              Coleshill           
03544 1011.8 1020.6  997.4   16.6  11.0  11.0  13.8   9.8   2.9   6.4   0.1               6.9 -4.6   29              Church Lawford      
03647 1012.1 1020.5  998.9   24.2  11.0  11.4  13.5   9.9   1.9   5.5  -0.4               6.6 -4.4   38              Little Rissington   
03649 1012.7 1021.0  999.9   14.2   7.0  12.4  14.4  11.2   3.1   7.0   0.8   22.5   7.1  7.8 -4.2   23   11         Brize Norton        
03658 1012.7 1021.0  999.8   20.0   8.0  12.6  13.7  12.0   1.1   7.2  -2.1               6.9 -5.0   37              Benson              
03660 1012.4 1020.9  998.6   17.0   8.0  12.2  13.5  11.0   3.2   5.7   1.3               7.7 -3.8   25              High Wycombe        
03462 1010.6 1020.1  994.0   22.2   9.0  11.8  14.3  11.1   2.9   5.9   0.3   26.0  10.1  7.3 -4.2   40   13         Wittering           
03469 1010.4 1020.3  992.7   19.2   7.0  11.2  13.5   9.6   1.9   6.4  -1.1               6.6 -5.1   36              Holbeach            
03482 1010.3 1020.5  991.8   19.0   9.0  12.1  13.8  10.9   1.4   5.5  -2.9               6.7 -5.2   36              Marham              
03488 1009.5 1020.1  990.6   20.2   8.0  11.0  12.1  10.1   4.0   7.2   1.3   23.9   9.5  7.5 -4.0   46              Weybourne           
03560 1011.7 1020.8  996.2   10.2   4.0  12.0  13.7  11.2   3.3   6.6   1.8               7.6 -3.9   21              Bedford             
03590 1011.1 1020.5  994.7   12.6   6.0  12.1  13.1  11.0   2.6   7.0  -0.1   22.9   8.7  7.3 -4.3   25   12*        Wattisham           
03684 1011.5 1020.5  996.1   11.2   7.0  12.0  12.6  11.4   2.5   7.2  -0.1               7.2 -4.3   23              Andrewsfield        
03693 1012.1 1021.0  997.1    7.2   3.0  13.5  14.4  12.2   3.4   8.9   0.1   37.0   9.4  8.5 -3.5   17              Shoeburyness        
03707 1014.3 1021.8 1006.1   13.6   3.0  12.1  12.8  10.5   3.8   8.9   0.2               8.0        24              Chivenor            
03710 1013.6 1021.1 1004.7   15.4   8.0  10.6  13.2   9.2   1.9   5.0   0.1   26.3   6.9  6.3 -4.0   18              Liscombe            
03740 1013.3 1021.2 1001.7                                  2.4   5.7   0.0   28.4   8.6                  14*  -2.4  Lyneham             
03743 1013.4 1021.2 1001.8    9.2   4.0  12.6  14.8  11.4   1.8   6.4  -0.8               7.2 -4.5   17              Larkhill            
03803 1016.2 1022.7 1010.4    7.6   5.0  12.7  13.8  11.9   7.7   9.9   6.6              10.2 -1.8   16              Scilly/St. Marys    
03808 1015.8 1022.4 1009.5    7.8   4.0  11.5  12.1  10.4   5.4   8.7   2.8   39.2  12.9  8.4 -3.0   12   21   +0.1  Camborne            
03809 1015.5 1022.2 1009.1    4.2   3.0  11.9  12.5  11.0   5.3   8.6   2.1               8.6 -2.9    7              Culdrose RNAS       
03823 1014.6 1021.4 1007.5    7.0   3.0  12.2  14.2  10.8   3.7   7.4   1.2               7.9 -3.4    8              Cardinham           
03827 1015.2 1021.9 1007.6    0.8   0.4  13.5  15.3  12.4   4.2   8.4   0.6               8.8 -3.4    1              Plymouth            
03840 1014.0 1021.7 1005.1    4.8   2.0  10.5  11.2   9.8   2.4   6.3   0.2               6.4 -4.3    7              Dunkeswell          
03853 1014.1 1021.7 1004.1    5.2   2.0  12.3  14.3  11.4   2.1   8.1  -1.1   23.6   7.5  7.2 -4.8   11   12         Yeovilton           
03857 1014.5 1021.7 1004.5    1.4   1.0  11.7  12.1  11.4   6.6   9.1   4.0               9.1 -2.6    3              Isle of Portland    
03672 1012.7 1021.1  999.0   11.6   7.0  13.5  14.3  12.6   3.4   7.8  -0.2               8.4 -4.4   21              Northolt            
03746 1013.4 1021.2 1001.7   12.4   6.0  12.4  13.5  11.8   1.8   6.3  -0.2               7.1 -4.9   23              Boscombe Down       
03749 1013.5 1021.3 1002.0   13.4   6.0  12.3  13.6  11.4   2.0   7.0  -0.5               7.2 -4.9   27              Middle Wallop       
03761 1013.2 1021.4 1000.7   11.8   9.0  12.5  12.8  12.1   2.3   6.9  -0.8   31.2   8.0  7.4 -4.7   23   15         Odiham              
03768 1013.1 1021.3 1000.5   12.2   8.0  13.0  13.7  11.5   1.6   7.5  -2.2               7.3                        South Farnborough   
03769 1013.0 1021.1 1000.3   17.2   7.0  13.6  14.5  12.9   1.5   8.1  -2.0   26.6   6.9  7.6 -4.6   31   13         Charlwood           
03770                        10.6   6.0                                                                              St James Park       
03772 1012.8 1021.3  999.2   12.4   7.0  14.4  15.3  13.3   4.3   7.8   1.6   28.3   7.7  9.3 -3.9   25   16*  -3.0  Heathrow            
03781 1012.8 1021.1  999.6   17.4   9.0  12.3  13.5  11.4   2.5   6.9   0.0               7.4 -4.6   30              Kenley              
03796 1012.6 1021.1  998.5               12.7  15.2  10.5   4.1   8.2   1.9               8.4                        Langdon Bay         
03797 1012.4 1021.0  998.0   16.0  10.0  12.7  13.9  11.9   4.0   8.5   1.5   40.8  12.9  8.3 -3.8   33   20*  -3.4  Manston             
03862 1014.1 1021.6 1003.5   20.0   7.0  13.0  14.7  11.7   0.8   7.9  -2.0   28.0   8.4  6.9 -5.1   41   14*  -1.6  Bournemouth Hurn    
03866 1014.0 1021.2 1003.1    4.2   2.0  11.3  12.2  10.8   6.2   8.9   4.2               8.7                        St Catherines Point 
03872 1013.7 1021.4 1002.2   10.2   5.0  12.5  13.9  11.7   2.6   8.3  -0.1               7.6 -5.0   23              Thorney Island      
03876 1013.7 1021.5 1001.7    5.0   3.0  13.1  15.4  12.2   2.4   8.6  -0.5               7.7 -4.1   11              Shoreham            
03882 1013.2 1021.3 1000.5   11.8   9.0  12.6  15.2  11.5   2.8   8.4   0.0   25.9   8.5  7.7 -4.6   23   12         Herstmonceux        
03894 1016.2 1022.0 1008.4                                  6.0   9.2   4.5                                    +0.2  Guernsey Airport    
03895 1016.2 1021.9 1008.6    3.0   1.0  12.7  14.9  11.0   5.6   9.6   3.6   42.8  13.1  9.2 -3.4    5   18         Jersey Airport      
03901 1010.1 1020.2  995.6   28.0  19.0  10.9  12.7   8.6   1.3   5.1  -2.2   23.6   7.4  6.1                        Thomastown          
03904 1010.3 1020.4  995.9   34.2  20.0  10.8  12.3   8.9   0.7   5.2  -3.6               5.7 -4.8   52              Castlederg          
03907 1010.3 1020.4  998.0   29.2  17.0  10.3  11.8   8.8   2.6   6.0   0.1   23.7   7.9  6.5                        Magilligan          
03911 1011.0 1020.3 1001.9                8.8   9.8   7.2                                                            Lough Fea           
03915 1010.0 1019.7  999.7   25.8  17.0  10.6  12.0   8.7   1.5   5.4  -1.1               6.0                        Port Glenone        
03916 1010.4 1020.2 1000.8   30.6  28.0   9.2  11.5   7.6   1.7   3.8  -0.9               5.4 -4.1   38              Ballypatrick Forest 
03917                                                       1.8   6.6  -1.6                                          Aldergrove          
03923 1010.0 1019.9  999.0   39.2  23.0  10.2  11.9   8.0   2.0   4.4  -0.3               6.1 -4.4   57              Glennane            
03953 1014.0 1022.2 1002.8   21.6  14.0  11.4  12.2  10.5   4.9   9.0   1.0               8.2 -3.4   23        -0.9  Valentia            
03955 1013.3 1021.5 1003.0   12.7   9.0  11.5  12.9  10.2   4.0   6.2   2.1   32.3  12.6  7.7 -3.1   16   17   -1.7  Cork Airport        
03956 1012.9 1020.9 1006.1   15.7  12.0  11.6  13.5  10.4   4.0   7.6   1.6               7.8                  -2.1  Johnstown Castle    
03962 1012.6 1021.9  999.2   12.4   7.0  12.0  13.6  11.0   3.5   7.2  -0.6   41.3  12.7  7.8 -4.3   19   23   -2.0  Shannon Airport     
03967 1011.2 1020.7 1000.5   21.5  13.0  11.6  12.8  10.5   1.1   5.2  -2.7   35.9  10.9  6.4                        Casement Aerodrome  
03969 1011.2 1020.5 1001.5   14.0   8.0  11.5  12.9  10.1   1.6   5.5  -1.9   31.9   8.0  6.5 -4.3   23   16   -3.3  Dublin Airport      
03973 1010.8 1021.1  993.3   31.3  13.0   9.5  10.4   8.3   2.5   5.0   0.2               6.0                        Connaught Airport   
03976 1011.4 1021.2  993.4   25.2  15.0  11.1  12.2   9.9   3.4   7.1   1.3               7.2 -4.0   36        -2.6  Belmullet           
03952 1013.3 1021.6 1003.3   11.2   8.0  11.6  12.9  10.8   5.5   7.9   3.3               8.6                        Roches Point        
03970 1011.1 1021.2  994.3   26.4  10.0  11.5  13.3  10.2   1.1   6.1  -2.4               6.3                        Claremorris         
03971 1011.0 1020.6  998.2   23.0  11.0  11.4  12.7  10.2   0.7   4.3  -3.3               6.1                        Mullingar           
03978 1010.4 1021.1  993.3   27.6  13.0  10.3  11.2   9.4   2.7   5.7  -1.5               6.5                        Finner              
03961 1012.1 1021.2 1001.8   15.9  12.0  11.9  12.8  10.5   2.3   6.1  -1.4               7.1                        Oak Park            
03979 1010.5 1020.5  996.5   25.3  16.0  10.9  11.7   9.9   1.4   5.8  -1.9               6.1                        Ballyhaise          
03966 1011.9 1021.4  998.7   11.8   5.0  11.5  12.4  10.2   1.7   6.0  -3.0               6.6                        Gurteen             
03963 1011.8 1021.7  996.0   15.6  10.0  11.1  12.3  10.2   4.8   8.4   1.2               7.9                        Mace Head           
03951 1014.2 1022.2 1004.6   12.2   6.0  11.4  11.7  11.2   5.8   9.1   2.8               8.6                        Sherkin Island      
03980 1010.0 1020.3  995.6   28.2  11.0   9.6  11.2   8.1   3.9   5.8   1.4               6.7 -3.7   48        -4.1  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 2021 ending at 06GMT on day 06.

Averages refer to the period 1981-2010 in all cases.

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. Climatological averages are for 30-years of pseudo-KZ observations in this case)
Pressure anomaly (mb) : the departure from the climatological average

Interested in finding out more about weather averages and extremes for 1981-2010 for about 250 sites in the British Isles? Then the new publication Climatological averages for 1981-2010 and 2001-2010 is what you need.




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