Decoded British Isles SYNOP weather reports

Weather data for 2020Jul07-00Z 
Year Mon Da ZZ Site  N dd ff VV  temp  dewp   mslp  ptendency ww WW  Rain H  maxT  minT  Tg sss* GG GGh ffu
2020 Jul 07 00 03002 / 31 11 83   7.4   5.0 1008.2  +0.8 R    23 //    tr 1                             kn  AWS Baltasound
2020 Jul 07 00 03005 7 32 11 82   7.5   4.9 1009.4  +0.8 nowR 25 81 001.0 1                             kn      Lerwick
2020 Jul 07 00 03008 / 30 18 73   9.2   5.7 1010.7  +0.4 R             .2 1                      31 WW  kn  AWS Fair Isle
2020 Jul 07 00 03017 / 28 11 80   8.2   5.3 1012.8  +0.3 R             .6 1                             kn  AWS Kirkwall
2020 Jul 07 00 03023 / 27 14 85  11.3   8.6 1017.9  -0.5 F             tr 1                             kn  AWS South Uist Range
2020 Jul 07 00 03026 / 28 11 88   9.7   8.6 1016.1  -0.4 nowS          .2 1                             kn  AWS Stornoway
2020 Jul 07 00 03031 / 29 08 66   8.3   7.3 1016.9  -0.0 nowR 61 // 004.0 1                             kn  AWS Loch Glascarnoch
2020 Jul 07 00 03034 / 25 11 82  10.7   9.0 1016.7  -0.4 nowF          .4 1                             kn  AWS Aultbea
2020 Jul 07 00 03039 / 29 20 //   4.8   4.8                   // //                                     kn  AWS Bealach No Ba
2020 Jul 07 00 03041 / 24 20 //   3.2   3.2                   // //                                     kn  AWS Aonach Moor
2020 Jul 07 00 03044 / 28 08 47   9.1   8.6 1015.2  +0.1 R    62 // 005.0 1                             kn  AWS Altnaharra
2020 Jul 07 00 03047 / 30 06 78   9.1   7.4 1018.4  -0.4 F    81 //    .4 1                             kn  AWS Tulloch Bridge
2020 Jul 07 00 03062 / 25 06 84   9.9   6.7 1015.3  +0.0 nowF          tr 1                             kn  AWS Tain Range
2020 Jul 07 00 03063 / 21 02 70   9.2   6.3 1016.8  +0.4 nowR 57 //    tr 1                             kn  AWS Aviemore
2020 Jul 07 00 03065 / 28 39 //   2.0   2.0                   // //                                     kn  AWS Cairngorm
2020 Jul 07 00 03066 / 24 12 80  11.1   7.5 1015.5  -0.2 nowS          .0 1                             kn  AWS Kinloss
2020 Jul 07 00 03068 7 26 15 80  11.4   7.6 1015.3  -0.2 F    02 82    tr 1                             kn      Lossiemouth
2020 Jul 07 00 03072 / 30 34 //   4.6   3.4                   // //                                     kn  AWS Cairnwell
2020 Jul 07 00 03075 / 28 08 81   7.4   6.1 1014.1  +0.4 R          002.0 1                             kn  AWS Wick
2020 Jul 07 00 03080 / 29 10 84  10.7   6.1 1015.5  -0.3 F             .0 1                             kn  AWS Aboyne
2020 Jul 07 00 03088 / 25 15 82   9.2   6.1 1015.8  -0.3 F             .0 1                             kn  AWS Inverbervie
2020 Jul 07 00 03091 / 28 08 84  11.2   6.3 1015.3  -0.2 nowR          .0 1                             kn  AWS Aberdeen Dyce
2020 Jul 07 00 03092                                          // //                                     kn  AWS Peterhead Harbour
2020 Jul 07 00 03100 / 31 10 18  10.8   9.5 1019.2  -0.7 F    82 //    .8 1                             kn  AWS Tiree
2020 Jul 07 00 03105 / 27 09 64  11.7  10.3 1020.4  -0.7 F             tr 1                             kn  AWS Port Ellen
2020 Jul 07 00 03111 / 27 11 65  11.8  10.7 1020.4  -0.5 nowF // //    .0 1                             kn  AWS Machrihanish
2020 Jul 07 00 03132 / 26 04 70  10.9   9.7 1021.3  -0.4 nowF          .0 1                             kn  AWS West Freugh
2020 Jul 07 00 03134 / 27 06 86  10.7   7.8 1019.1  -0.5 nowS          tr 1                             kn  AWS Glasgow Bishopton
2020 Jul 07 00 03136 / 30 04 86  10.8   9.3 1020.2  -0.1 nowF 22 //    tr 1                             kn  AWS Prestwick
2020 Jul 07 00 03144 / 20 05 83   9.6   7.1 1017.8  -0.6 nowS          .0 1                             kn  AWS Strathallan
2020 Jul 07 00 03148 / 27 19 //   6.7   6.6                   // //                                     kn  AWS Glen Ogle
2020 Jul 07 00 03153 / 28 12 81  10.8   9.1 1020.3  -0.6 F             .0 1                             kn  AWS Dundrennan
2020 Jul 07 00 03155 / 27 14 //   9.5   8.1 1019.5  -0.5 nowS // //    .0 1                             kn  AWS Drumalbin
2020 Jul 07 00 03158 / 23 07 84   7.8   6.3 1018.3  -0.1 nowF          .0 1                             kn  AWS Charterhall
2020 Jul 07 00 03162 / 26 06 83   9.6   7.3 1020.1  -0.2 nowS          tr 1                             kn  AWS Eskdalemuir
2020 Jul 07 00 03166 / 24 10 80  10.6   8.3 1018.3  -0.4 nowF          .0 1                             kn  AWS Edinburgh Gogarbank
2020 Jul 07 00 03171 / 26 09 80   9.0   6.9 1017.1  -0.2 nowR          .0 1                             kn  AWS Leuchars
2020 Jul 07 00 03204 7 29 03 80  11.8   9.3 1021.7  -0.8 F             .0 1                             kn      Ronaldsway
2020 Jul 07 00 03210 / 28 10 61  11.7   9.5 1021.3  -0.4 F    // //    .0 1                             kn  AWS St Bees Head
2020 Jul 07 00 03212 / 29 04 80  11.9   8.8 1021.0  -0.3 F             .0 1                      15 10m kn  AWS Keswick
2020 Jul 07 00 03220 / // // 83  11.6   8.3 1020.3  -0.3 F    // //    .0 1                             kn  AWS Carlisle
2020 Jul 07 00 03224 / 27 10 81   8.1   6.6 1020.1  -0.1 nowF          .0 1                             kn  AWS Spadeadam
2020 Jul 07 00 03225 / 27 07 77  10.5   6.2 1020.7  -0.6 nowF // //    .0 1                             kn  AWS Shap Fell
2020 Jul 07 00 03226 / 29 07 84  10.0   6.5 1020.5  -0.2 F             .0 1                             kn  AWS Warcop Range
2020 Jul 07 00 03227 / 26 17 //   4.7                         // //                                     kn  AWS Great Dun Fell
2020 Jul 07 00 03316 / 29 12 68  14.3  10.6 1021.9  -0.7 F             tr 1                             kn  AWS Crosby
2020 Jul 07 00 03318 / 28 10 //  13.8  10.3                   // //    .0 1                             kn  AWS Blackpool
2020 Jul 07 00 03230 / 33 03 84   7.8   6.0 1019.9  +0.3 R    // //    .0 1                             kn  AWS Redesdale
2020 Jul 07 00 03238 / 28 09 81   9.4   7.1 1019.1  -0.2 nowS          .0 1                             kn  AWS Albermarle
2020 Jul 07 00 03240 / 25 13 82  10.9   6.0 1018.1  -0.4 nowF          .0 1                             kn  AWS Boulmer
2020 Jul 07 00 03257 / 25 06 71  10.3   6.3 1020.7  +0.1 R             .0 1                             kn  AWS Leeming
2020 Jul 07 00 03265 / 26 08 84  12.0   7.2 1020.9  +0.1 nowR          .0 1                             kn  AWS Topcliffe
2020 Jul 07 00 03266 / 27 06 80  11.2   7.7 1020.9  -0.0 nowR                                           kn  AWS Linton-on-Ouse
2020 Jul 07 00 03275 / 27 14 85   9.8   6.8 1019.4  -0.4 nowS // //    .0 1                             kn  AWS Loftus
2020 Jul 07 00 03281 / 27 14 //   9.4   5.7                   // //    .0 1                             kn  AWS Fylingdales
2020 Jul 07 00 03292 / 26 04 //  10.6   7.8 1019.8  +0.3 R    // //    .0 1                             kn  AWS Bridlington
2020 Jul 07 00 03344 / 26 05 72  10.0   8.8 1021.5  -0.4 F             .0 1                             kn  AWS Bingley
2020 Jul 07 00 03346 / 29 08 //  10.1   8.9                   // //    .0 1                             kn  AWS Emley Moor No.2
2020 Jul 07 00 03373 / 24 06 81   7.9   6.0 1021.4  -0.1 nowF // //    .0 1                             kn  AWS Scampton
2020 Jul 07 00 03377 / 22 05 79  11.1   6.9 1021.8  +0.1 nowF 23 //    tr 1                             kn  AWS Waddington
2020 Jul 07 00 03379 / 27 08 79   9.6   6.2 1022.1  +0.0 nowF // //    .0 1                             kn  AWS Cranwell
2020 Jul 07 00 03382 / 26 07 81  11.0   8.2 1020.3  +0.2 nowS          tr 1                             kn  AWS Leconfield
2020 Jul 07 00 03385 / 25 07 73  11.2   7.9 1020.7  +0.1 nowF // //                                     kn  AWS Donna Nook
2020 Jul 07 00 03391 1 27 06 84   9.6   6.7 1021.6  +0.1 nowS          .0 1                             kn      Coningsby
2020 Jul 07 00 03392 / 26 07 87   8.6   7.0 1021.4  +0.5 nowS // //    .0 1                             kn  AWS Wainfleet
2020 Jul 07 00 03302 / 26 09 79  13.5  10.7 1022.6  -0.8 F             tr 1                             kn  AWS Valley
2020 Jul 07 00 03301 / 24 05 75  12.3  10.8 1022.6  -0.9 F    // //    .0 1                             kn  AWS Raf Mona
2020 Jul 07 00 03305 / 25 09 //  10.4   9.3 1022.9  -1.1 F             .2 1                             kn  AWS Capel Curig
2020 Jul 07 00 03313 / 21 05 81  12.3   9.8 1022.3  -0.9 F    // //    .0 1                             kn  AWS Rhyl
2020 Jul 07 00 03321 / 25 03 82  13.6   9.1 1022.3  -0.6 nowF          .0 1                             kn  AWS Hawarden
2020 Jul 07 00 03405 / 30 10 83  13.1  11.1 1023.5  -0.6 nowS // //    .0 1                             kn  AWS Aberdaron
2020 Jul 07 00 03409 / 19 02 //  11.3  10.1 1022.8  -1.0 nowS // //    .2 1                             kn  AWS Bala
2020 Jul 07 00 03410 / 30 01 71   9.9   8.9 1022.9  -0.7 F    // //    .0 1                             kn  AWS Lake Vrynwy
2020 Jul 07 00 03502 / 23 10 77  12.9   9.8 1023.5  -0.7 nowF          .0 1                             kn  AWS Aberporth
2020 Jul 07 00 03503 / 08 01 71  12.9  10.8 1023.1  -0.9 nowF          .0 1                             kn  AWS Trawscoed
2020 Jul 07 00 03507 / 21 02 72  10.5   9.3 1024.0  -0.6 nowF          .0 1                             kn  AWS Sennybridge
2020 Jul 07 00 03604 / 26 06 74  13.5  11.6 1024.1  -0.6 nowF // //    .0 1                             kn  AWS Milford Haven
2020 Jul 07 00 03605 / 26 09 78  14.2  10.7 1023.9  -0.7 nowF // //    .0 1                             kn  AWS Pembrey Sands
2020 Jul 07 00 03609 / // // //  13.6  10.8 1024.8  -0.6 F    // //    .0 1                      00 10m kn  AWS Mumbles
2020 Jul 07 00 03716 / 27 08 80  14.0  11.3 1024.1  -0.4 F             .0 1                             kn  AWS St Athan
2020 Jul 07 00 03330 / 26 04 78  10.1   8.7 1022.4  -0.3 nowF          .0 1                             kn  AWS Leek Thorncliffe
2020 Jul 07 00 03354 / 24 05 81  10.8   7.5 1022.4  -0.3 nowF          .0 1                             kn  AWS Nottingham Wea Cen
2020 Jul 07 00 03414 8 20 04 80  12.6   9.6 1022.7  -0.5 F             .0 1                             kn      Shawbury
2020 Jul 07 00 03520 / 32 04 74   9.7   7.9 1023.5  -0.7 nowF // //    .0 1                             kn  AWS Shobdon
2020 Jul 07 00 03522 / 19 01 80  10.6   8.5 1023.7  -0.8 nowF          .0 1                             kn  AWS Hereford Credenhill
2020 Jul 07 00 03529 / 12 04 79   9.2   6.6 1023.6  -0.2 nowF          .0 1                             kn  AWS Pershore
2020 Jul 07 00 03535 / 24 02 80  11.2   8.5 1022.6  -0.5 nowF          .0 1                             kn  AWS Coleshill
2020 Jul 07 00 03544 / 33 03 80   9.6   7.3 1022.9  -0.3 F             .0 1                             kn  AWS Church Lawford
2020 Jul 07 00 03647 / 30 07 81   9.5   6.9 1023.5  -0.1 nowF // //    .0 1                             kn  AWS Little Rissington
2020 Jul 07 00 03649 3 27 02 81  11.3   7.0 1023.5  +0.1 nowF          .0 1                             kn      Brize Norton
2020 Jul 07 00 03658 1 17 02 80  10.2   6.3 1023.3  +0.0 nowF          .0 1                             kn      Benson
2020 Jul 07 00 03660 / 32 01 80  11.4   6.2 1023.3  -0.2 nowF          .0 1                             kn  AWS High Wycombe
2020 Jul 07 00 03462 / 27 09 80   9.5   6.8 1022.0  -0.1 nowF          .0 1                             kn  AWS Wittering
2020 Jul 07 00 03469 / 27 07 82   9.1   6.7 1021.8  +0.4 nowS          .0 1                             kn  AWS Holbeach
2020 Jul 07 00 03482 0 27 06 68   9.9   6.6 1022.0  +0.4 nowS          .0 1                             kn      Marham
2020 Jul 07 00 03488 / 25 10 //  11.4   8.0 1021.3  +0.1 R             .0 1                             kn  AWS Weybourne
2020 Jul 07 00 03560 / 27 04 81  10.1   6.2 1022.9  -0.1 nowF          .0 1                             kn  AWS Bedford
2020 Jul 07 00 03680 / // // //   8.1   6.0 1023.5  -0.1 nowF // //    .0 1                             kn  AWS Rothamsted
2020 Jul 07 00 03590 0 27 06 80   8.5   4.8 1022.5  +0.2 nowF          .0 1                             kn      Wattisham
2020 Jul 07 00 03684 / 27 04 87   8.7   4.9 1022.8  +0.2 nowF          .0 1                             kn  AWS Andrewsfield
2020 Jul 07 00 03693 / 32 06 82   9.7   5.9 1022.5  +0.4 nowF          .0 1                             kn  AWS Shoeburyness
2020 Jul 07 00 03707 / 18 02 66  13.4  11.6 1024.9  -0.6 F             .0 1                             kn  AWS Chivenor
2020 Jul 07 00 03710 / 30 03 56   9.1   8.9 1025.1  -0.6 F    // //    .0 1                             kn  AWS Liscombe
2020 Jul 07 00 03808 1 19 03 65  10.0   9.4 1026.0  -0.7 nowS          .0 1                             kn      Camborne
2020 Jul 07 00 03809 / 27 05 72  11.4   9.8 1026.0  -0.7 nowS // //    .0 1                             kn  AWS Culdrose RNAS
2020 Jul 07 00 03823 / 32 04 56   8.7   8.4 1025.7  -0.6 nowF 20 //    .0 1                             kn  AWS Cardinham
2020 Jul 07 00 03827 / 32 04 69  11.5   9.8 1025.4  -0.8 F             .0 1                             kn  AWS Plymouth
2020 Jul 07 00 03840 / 29 05 62  10.7   9.7 1024.9  -0.7 F             .0 1                             kn  AWS Dunkeswell
2020 Jul 07 00 03853 2 17 04 70   9.9   8.4 1024.4  -0.3 nowF          .0 1                             kn      Yeovilton
2020 Jul 07 00 03672 / 24 02 81  10.9   6.4 1023.4  +0.4 nowF // //    .0 1                             kn  AWS Northolt
2020 Jul 07 00 03740 / 25 04 //  11.9   7.6 1024.0  -0.1 nowF // //    .0 1                             kn  AWS Lyneham
2020 Jul 07 00 03743 / 27 03 81  10.9   8.5 1024.0  -0.1 nowF // //    .0 1                             kn  AWS Larkhill
2020 Jul 07 00 03746 / 31 06 80  10.7   9.1 1024.0  -0.1 F             .0 1                             kn  AWS Boscombe Down
2020 Jul 07 00 03749 / 30 05 80  11.0   9.0 1023.9  +0.0 S             tr 1                             kn  AWS Middle Wallop
2020 Jul 07 00 03761 1 10 03 80  10.4   7.1 1023.8  +0.4 R             .0 1                             kn      Odiham
2020 Jul 07 00 03768 / 21 03 73   8.9   6.8 1023.6  +0.3 R    // //    .0 1                             kn  AWS South Farnborough
2020 Jul 07 00 03769 / 29 01 84  12.9   8.7 1023.1  +0.4 nowS          .0 1                             kn  AWS Charlwood
2020 Jul 07 00 03770 / // // //  14.6   6.0                   // //    .0 1                             kn  AWS St James Park
2020 Jul 07 00 03772 / 24 01 74  12.6   6.1 1023.4  +0.3 nowS          .0 1                             kn  AWS Heathrow
2020 Jul 07 00 03781 / 02 03 84  11.6   5.5 1023.3  +0.3 nowS          .0 1                             kn  AWS Kenley
2020 Jul 07 00 03796 / 31 12 //  12.9   7.4 1022.5  -0.1 nowF // //                                     kn  AWS Langdon Bay
2020 Jul 07 00 03797 / 31 09 83  15.0   5.7 1022.6  +0.4 nowS          .0 1                             kn  AWS Manston
2020 Jul 07 00 03857 / 32 11 80  13.4  10.0 1024.3  -0.2 F             .0 1                             kn  AWS Isle of Portland
2020 Jul 07 00 03862 / 30 07 75  12.2   9.9 1024.3  +0.2 R             .0 1                             kn  AWS Bournemouth Hurn
2020 Jul 07 00 03866 / 30 09 //  12.9   9.2 1023.5  -0.1 nowF // //    .0 1                             kn  AWS St Catherines Point
2020 Jul 07 00 03872 / 30 05 82  13.1   9.7 1023.3  +0.1 nowS          .0 1                             kn  AWS Thorney Island
2020 Jul 07 00 03876 / 01 02 //  11.1   9.0 1023.1  +0.1 nowF // //    .0 1                             kn  AWS Shoreham
2020 Jul 07 00 03882 / 36 03 82  12.3   8.8 1022.9  +0.0 nowF          .0 1                             kn  AWS Herstmonceux
2020 Jul 07 00 03894 1 32 06 80  12.7  11.0 1025.1  -0.8 F                                              kn      Guernsey Airport
2020 Jul 07 00 03895 / 32 06 75  12.6  10.5 1025.0  -0.6 nowF          .0 1                             kn  AWS Jersey Airport
2020 Jul 07 00 03896 / // // //  17.0                         // //    .0 2                             kn  AWS St Helier
2020 Jul 07 00 03901 / 22 04 77  10.6   8.8 1021.6  -1.1 nowF          .0 1                             kn  AWS Thomastown
2020 Jul 07 00 03904 / 31 01 69   9.3   8.6 1021.5  -1.0 F             .0 1                             kn  AWS Castlederg
2020 Jul 07 00 03907 / 22 09 76  10.9   9.0 1021.3  -0.9 F             .2 1                             kn  AWS Magilligan
2020 Jul 07 00 03911 / 27 06 74  11.1   8.4 1022.5  -0.3 nowF                                           kn  AWS Lough Fea
2020 Jul 07 00 03915 / 33 02 73   9.7   8.0 1021.2  -0.7 F             tr 1                             kn  AWS Port Glenone
2020 Jul 07 00 03916 / 27 07 72   9.8   8.9 1021.2  -0.7 F             tr 1                             kn  AWS Ballypatrick Forest
2020 Jul 07 00 03917 / 23 02 77  11.0   8.9 1021.9  -0.5 F             .0 1                             kn  AWS Aldergrove
2020 Jul 07 00 03923 / 30 04 82  10.0   7.0 1021.8  -0.6 nowF          .0 1                             kn  AWS Glennane
2020 Jul 07 00 03953 / 18 03 73  12.3   9.9 1024.6  -1.5 F             .0 1                             m/s AWS Valentia
2020 Jul 07 00 03955 6 28 02 81  11.3   7.9 1024.8  -0.7 F             .0 1                             m/s     Cork Airport
2020 Jul 07 00 03956 / 30 03 84  12.7   7.3 1023.8  -0.6 nowR 03 8/    tr 1                             m/s AWS Johnstown Castle
2020 Jul 07 00 03962 7 25 03 70  12.3   9.4 1024.0  -1.1 F             .0 1                             m/s     Shannon Airport
2020 Jul 07 00 03967 7 23 04 75  11.0   8.6 1023.1  -0.6 F    02 82    .1 1                             m/s     Casement Aerodrome
2020 Jul 07 00 03969 6 24 02 80  11.8   9.0 1022.9  -0.6 nowF 02 82    tr 1                             m/s     Dublin Airport
2020 Jul 07 00 03973 / 21 02 //   9.8   8.7 1022.5  -1.5 nowF // //    .0 1                             m/s AWS Connaught Airport
2020 Jul 07 00 03976 / 24 04 67  12.0   9.7 1021.8  -1.6 F             .0 1                             m/s AWS Belmullet
2020 Jul 07 00 03952 / 29 03 82  11.9   8.7 1024.7  -0.4 F             .0 1                             m/s AWS Roches Point
2020 Jul 07 00 03970 / 22 02 //  10.6   9.1 1022.6  -1.5 nowR // //    .0 1                             m/s AWS Claremorris
2020 Jul 07 00 03971 / 24 01 73  11.1   9.1 1022.7  -0.8 nowR          .0 1                             m/s AWS Mullingar
2020 Jul 07 00 03978 / 23 04 59  11.1   9.9 1021.9  -1.2 nowR 23 8/    .3 1                             m/s AWS Finner
2020 Jul 07 00 03961 / 27 03 80  11.5   8.3 1023.6  -0.9 F             .0 1                             m/s AWS Oak Park
2020 Jul 07 00 03979 / 24 01 76  11.0   8.3 1022.3  -0.8 nowR          .0 1                             m/s AWS Ballyhaise
2020 Jul 07 00 03966 / 21 02 71  11.3   9.1 1023.5  -1.2 nowR          .0 1                             m/s AWS Gurteen
2020 Jul 07 00 03963 / 24 06 79  12.6   8.8 1022.8  -1.6 F    51 //    tr 1                             m/s AWS Mace Head
2020 Jul 07 00 03951 / 24 03 74  12.0  10.3 1025.4  -0.9 F             .0 1                             m/s AWS Sherkin Island
2020 Jul 07 00 03980 / 23 06 69  11.4   9.4 1020.6  -1.2 nowF          .0 1                             m/s AWS Malin Head
Year Mon Da ZZ Site  N dd ff VV  temp  dewp   mslp  ptendency ww WW  Rain H  maxT  minT  Tg sss* GG GGh ffu

AWS in place name - Automatic Weather Station (different ww codes)

Year - year
Mon - month
Da - day of month
ZZ - observation time (GMT)
Site - WMO site number
N - cloud cover (oktas, 9=obscured)
dd - wind direction (deg)
ff - wind speed (see ffu)
VV - visibility (code)
temp - air temperature (C)
dewp - dew point (C)
mslp - mean sea level pressure (mb)
ptendency - 3-hour pressure change (mb) and tendency
ww - current weather (code)
ww - current weather (AWS)(code)
WW - past weather (code)
Rain - total precipitation (mm)
H - 1: 6h precipitation measurement; 2: 12h precipitation measurement
maxT - maximum temperature (C)
minT - air minimum temperature (C)
Tg - grass minimum temperature (C)
sss - sunshine for the previous day (h)
GG - maximum wind gust
GGh - period of gust; 10minutes or W1W2 period
ffu - wind units; m/s or kn.

See here for summary details of the month so far.


This page is maintained by r.brugge@reading.ac.uk