Daily Data for April 1997(all times UTC)
Temperature (Celsius):Max Max Min Min Min Mean Deg Days DATE 21-09 09-21 21-09 09-21 Grass 21-21 6 C+ 01-Apr 8.9 8.4 6.3 5.3 5.2 7.2 34.9 02-Apr 7.4 8.1 5.7 5.3 4.3 6.6 35.5 03-Apr 5.7 4.8 1.4 0.4 0.9 3.1 35.5 04-Apr 3.1 3.7 -0.6 0.4 -1.3 1.7 35.5 05-Apr 7.8 5.7 1.5 2.0 0.1 4.3 35.5 06-Apr 3.3 5.8 0.4 2.4 -1.9 3.0 35.5 07-Apr 8.2 9.5 5.2 7.3 2.4 7.6 37.0 08-Apr 8.4 10.3 7.2 7.4 6.5 8.3 39.4 09-Apr 7.7 8.9 5.7 6.9 4.5 7.3 40.7 10-Apr 8.3 8.7 7.0 6.8 5.6 7.7 42.4 11-Apr 8.2 7.4 3.3 4.2 2.4 5.8 42.4 12-Apr 6.9 8.2 4.3 6.2 2.8 6.4 42.8 13-Apr 8.2 8.4 6.5 7.6 5.7 7.7 44.4 14-Apr 8.3 6.8 4.1 3.0 2.3 5.6 44.4 15-Apr 7.2 7.8 2.7 6.1 0.9 6.0 44.4 16-Apr 8.6 9.5 7.4 7.1 6.5 8.2 46.6 17-Apr 8.0 10.1 6.4 7.4 5.3 8.0 48.6 18-Apr 7.9 7.2 5.0 3.8 5.0 6.0 48.6 19-Apr 4.6 5.9 2.2 1.6 0.4 3.6 48.6 20-Apr 5.9 9.0 2.1 5.0 -0.4 5.5 48.6 21-Apr 7.7 5.1 1.4 1.8 0.5 4.0 48.6 22-Apr 2.2 3.3 0.5 1.2 0.0 1.8 48.6 23-Apr 2.9 6.4 -0.4 2.0 -0.8 2.7 48.6 24-Apr 8.0 8.1 3.7 4.4 3.3 6.1 48.6 25-Apr 5.7 6.5 2.8 4.6 0.0 4.9 48.6 26-Apr 5.2 5.8 4.2 4.3 3.6 4.9 48.6 27-Apr 7.2 7.3 5.2 6.8 4.7 6.6 49.2 28-Apr 8.0 8.0 6.9 7.3 6.8 7.6 50.8 29-Apr 8.8 10.5 6.8 7.9 7.1 8.5 53.3 30-Apr 8.5 10.3 7.2 7.6 6.9 8.4 55.7 Mean 6.9 7.5 4.1 4.8 3.0 5.8 Max 8.9 10.5 7.4 7.9 7.1 8.5 Min 2.2 3.3 -0.6 0.4 -1.9 1.7 Day Hst 29 16 Day Lst 22 4 6 Difference from 1974-96 0.2 0.1 0.2 Mean 7.3 3.9 -4.1 5.6 Max Min Grass Mean Highest Daily 12.2 9.0 0.1 Year 1993 1990 1974 Lowest Daily 0.5 -4.0 -8.9 Year 1978 1985 1978 Highest Monthly 8.4 5.0 6.6 Year 1987 1987 1987 Lowest Monthly 6.2 2.4 4.3 Year 1978 1986 1986
Earth temps, Rainfall, Sunshine and State of Ground:Temperature (Celsius) Rainfall (millimetres) Sunshine State of Ground 09 hr DATE 30 cm 100 cm Sea 09-21 21-09 Total (hours) E E' Snow Depth 01-Apr 6.5 5.9 0.4 6.1 6.5 3.0 1 02-Apr 6.4 6.0 5.3 3.2 8.5 0.0 2 03-Apr 6.1 6.1 0.6 0.1 0.7 7.6 2 04-Apr 5.5 6.1 7.4 6.2 7.5 13.7 0.0 1 05-Apr 5.3 6.1 1.4 0.0 1.4 7.1 2 06-Apr 5.4 6.0 0.2 2.3 2.5 6.9 1 07-Apr 5.7 6.0 0.8 0.1 0.9 0.3 1 08-Apr 5.9 6.1 8.0 0.6 0.4 1.0 1.5 1 09-Apr 6.6 6.0 1.3 0.6 1.9 3.1 1 10-Apr 6.7 6.1 7.8 2.0 0.2 2.2 0.2 1 11-Apr 6.6 6.2 0.0 trace trace 6.1 1 12-Apr 6.4 6.3 0.3 0.6 0.9 0.4 1 13-Apr 6.6 6.3 7.5 trace 0.0 trace 0.0 1 14-Apr 6.7 6.3 0.0 0.0 0.0 12.6 1 15-Apr 6.6 6.4 8.0 trace trace trace 3.0 1 16-Apr 6.6 6.5 0.1 0.1 0.2 1.3 1 17-Apr 7.1 6.4 8.0 0.0 0.4 0.4 4.4 1 18-Apr 7.7 6.5 0.1 0.0 0.1 3.0 1 19-Apr 7.2 6.6 trace 0.0 trace 3.0 1 20-Apr 6.7 6.7 7.9 trace 3.5 3.5 5.7 1 21-Apr 6.7 6.7 0.1 trace 0.1 2.1 1 22-Apr 6.2 6.7 8.0 trace 4.1 4.1 1.7 1 23-Apr 5.8 6.6 13.4 8.2 21.6 0.0 1 24-Apr 5.8 6.5 7.8 trace 0.1 0.1 8.6 2 25-Apr 6.1 6.5 0.0 0.0 0.0 12.6 1 26-Apr 6.5 6.3 0.0 0.0 0.0 0.6 1 27-Apr 6.5 6.4 trace 0.1 0.1 0.0 1 28-Apr 6.6 6.4 trace 2.9 2.9 0.0 1 29-Apr 7.0 6.5 trace 0.1 0.1 0.3 1 30-Apr 7.6 6.6 0.1 trace 0.1 0.0 1 Total 33.0 40.6 73.6 95.1 Mean 6.4 6.3 7.8 1.3 1.8 2.7 3.2 Max 7.7 6.7 8.0 13.4 8.2 21.6 12.6 Min 5.3 5.9 7.4 Date Hst 8 23 14 Date Lst 4 Difference from 1974-96 0.5 0.6 0.4 Mean 5.9 5.7 7.4 49.2 149.0 Highest Daily 23.2 14.3 Year 1979 1980 Hst Monthly 6.8 6.6 8.4 103.3 181.8 Year 1991 1991 1989 1979 1991 Lwst Monthly 5.1 5.0 6.8 1.0 110.6 Year 1986 1979 1995 1974 1982 Rain 149.7% of average Sun 63.8% of average Days with NIL Sun 6 4.5 Rain Days (>0.1mm) 17 17.3 Wet Days (>=1.0mm) 12 11.8 Snow lying (50% cover @ 09hr) 0 0.6
Pressure (mb):DATE 00.00 06.00 09.00 12.00 15.00 18.00 21.00 Daily 01-Apr 1005.6 1005.1 1005.9 1008.2 1009.3 1009.9 1010.9 1007.8 02-Apr 1011.5 1008.0 1007.0 1004.2 999.7 997.1 997.9 1003.6 03-Apr 998.0 998.9 1001.4 1005.2 1007.0 1010.2 1014.3 1005.0 04-Apr 1017.6 1020.9 1021.8 1020.7 1016.3 1010.7 1004.6 1016.1 05-Apr 998.9 996.0 1002.7 1008.8 1013.2 1016.9 1020.1 1008.1 06-Apr 1022.9 1026.7 1028.0 1028.8 1028.3 1027.6 1026.0 1026.9 07-Apr 1024.0 1024.1 1024.5 1025.2 1025.4 1025.4 1025.7 1024.9 08-Apr 1025.5 1023.0 1021.6 1020.6 1019.5 1019.2 1020.0 1021.3 09-Apr 1022.1 1024.3 1025.1 1025.2 1024.3 1024.5 1024.6 1024.3 10-Apr 1024.5 1023.6 1023.6 1023.6 1023.2 1021.5 1021.2 1023.0 11-Apr 1022.8 1027.7 1030.8 1032.6 1033.0 1033.2 1032.7 1030.4 12-Apr 1032.4 1029.9 1028.9 1028.0 1026.7 1025.5 1024.5 1028.0 13-Apr 1023.9 1021.7 1021.5 1020.7 1020.8 1020.6 1021.5 1021.5 14-Apr 1022.3 1024.6 1026.6 1027.8 1028.7 1030.1 1031.6 1027.4 15-Apr 1031.9 1032.4 1032.7 1031.9 1030.7 1029.6 1029.9 1031.3 16-Apr 1029.1 1029.3 1030.0 1030.2 1030.2 1029.8 1030.2 1029.8 17-Apr 1029.8 1030.0 1029.9 1029.2 1028.8 1027.6 1026.3 1028.8 18-Apr 1026.2 1025.2 1026.9 1027.5 1027.8 1028.1 1028.6 1027.2 19-Apr 1028.2 1027.7 1027.9 1027.9 1027.7 1026.7 1026.7 1027.5 20-Apr 1025.9 1022.7 1020.7 1018.5 1015.8 1013.2 1010.3 1018.2 21-Apr 1010.8 1010.8 1012.9 1014.5 1015.3 1016.2 1017.9 1014.1 22-Apr 1017.2 1016.2 1015.6 1015.4 1014.7 1014.0 1013.2 1015.2 23-Apr 1012.3 1007.5 1006.7 1004.6 1000.8 996.9 993.4 1003.2 24-Apr 992.7 993.2 999.5 1004.6 1009.3 1012.2 1015.7 1003.9 25-Apr 1017.6 1020.2 1021.5 1022.0 1021.6 1021.1 1020.7 1020.7 26-Apr 1019.3 1016.5 1015.6 1014.0 1012.1 1011.0 1010.7 1014.2 27-Apr 1009.5 1007.4 1007.3 1006.3 1004.4 1003.1 1001.2 1005.6 28-Apr 999.4 994.3 993.0 992.6 993.3 994.3 996.5 994.8 29-Apr 998.1 1001.2 1003.6 1006.7 1008.8 1011.3 1014.3 1006.3 30-Apr 1016.3 1017.5 1017.7 1017.6 1018.1 1018.5 1019.5 1017.9 Mean 1017.2 1016.9 1017.7 1018.1 1017.8 1017.5 1017.7 1017.6 Max 1032.4 1032.4 1032.7 1032.6 1033.0 1033.2 1032.7 1031.3 Min 992.7 993.2 993.0 992.6 993.3 994.3 993.4 994.8 Day Hst Highest pressure for month: 1033.2 on 11 Day Lst Lowest pressure for month : 992.6 on 28 1974-96 Mean 1013.5 Highest Monthly 1024.2 Year 1974 Lowest Monthly 1005.6 Year 1977
Days With:DATE Hail Thunder Fog09 Gale Snw/slt Fog24 Aurora 01-Apr 0 0 0 0 0 0 0 02-Apr 0 0 0 1 1 0 0 03-Apr 4 0 0 1 5 0 0 04-Apr 4 0 0 0 5 0 0 05-Apr 0 0 0 0 1 0 0 06-Apr 0 0 0 0 0 0 0 07-Apr 0 0 0 0 0 0 0 08-Apr 0 0 0 0 0 0 0 09-Apr 0 0 0 0 0 0 0 10-Apr 0 0 0 0 0 0 0 11-Apr 0 0 0 0 0 0 0 12-Apr 0 0 0 0 0 1 0 13-Apr 0 0 0 0 0 1 0 14-Apr 0 0 0 0 0 0 0 15-Apr 0 0 0 0 0 0 0 16-Apr 0 0 0 0 0 0 0 17-Apr 0 0 0 0 0 0 0 18-Apr 0 0 0 0 0 0 0 19-Apr 4 0 0 0 0 0 0 20-Apr 0 0 0 0 0 0 0 21-Apr 4 0 0 0 5 0 0 22-Apr 0 0 0 0 5 0 0 23-Apr 0 0 0 0 5 0 0 24-Apr 0 0 0 1 0 0 1 25-Apr 4 0 0 0 0 0 0 26-Apr 0 0 0 0 0 0 0 27-Apr 0 0 0 0 0 0 0 28-Apr 0 0 0 0 0 1 0 29-Apr 0 0 1 0 0 1 0 30-Apr 0 0 0 0 0 1 0 Total 5 0 1 3 7 5 1 1974-96 Mean 7.3 0.2 1.6 2.3 6.1 6.0 2.6 Hst Monthly 14 1 6 8 14 10 10 Year 1995 1979 1974 1976 1977 1975 1994 Lwst Monthly 0 0 0 0 0 0 0 Year 1974 1974 1977 1974 1974 1983 1974 Hail Snow 5 Aurora Type Frequency Sleet 2 Type Frequency 1 0 1 1 2 0 (1)Gale F8 3 2 0 3 0 Total Hail (2)Gale F9 0 3 0 4 5 5 (3)Storm F10 0 4 0 5 0 7.3 (4)Storm F11 0 5 0 6 0 (5)Hurricane 0 6 0 7 0
Cloud:DATE 00.00 06.00 09.00 12.00 15.00 18.00 21.00 Daily 01-Apr 7 7 7 6 7 7 7 6.9 02-Apr 6 8 8 8 8 8 6 7.4 03-Apr 1 7 7 5 7 6 6 5.6 04-Apr 3 6 8 8 8 8 8 7.0 05-Apr 8 7 7 4 2 7 3 5.4 06-Apr 2 6 6 4 7 8 8 5.9 07-Apr 8 8 7 7 7 8 7 7.4 08-Apr 7 7 8 7 7 8 8 7.4 09-Apr 7 7 7 7 8 8 8 7.4 10-Apr 8 8 7 8 7 7 8 7.6 11-Apr 8 6 7 7 6 8 8 7.1 12-Apr 7 8 8 8 7 7 8 7.6 13-Apr 8 8 8 9 8 7 8 7.9 14-Apr 8 3 4 1 2 5 7 4.3 15-Apr 7 3 7 8 7 7 7 6.6 16-Apr 8 7 7 8 7 8 8 7.6 17-Apr 8 7 7 7 5 7 7 6.9 18-Apr 8 8 7 7 7 7 7 7.3 19-Apr 6 7 7 7 7 3 5 6.0 20-Apr 7 7 7 7 6 7 8 7.0 21-Apr 7 6 7 7 7 7 7 6.9 22-Apr 7 7 7 7 7 7 8 7.1 23-Apr 8 8 7 8 8 8 8 7.9 24-Apr 8 7 6 5 7 5 5 6.1 25-Apr 2 4 1 1 2 2 3 2.1 26-Apr 7 7 7 7 7 7 7 7.0 27-Apr 8 8 8 8 8 8 8 8.0 28-Apr 8 8 8 9 9 9 9 8.0 29-Apr 9 8 9 8 8 8 7 7.9 30-Apr 8 8 8 8 8 8 8 8.0 Mean 6.8 6.9 6.9 6.6 6.7 7.0 7.0 6.8 1974-96 Mean 6.0 Highest Monthly 6.5 Year 1995 Lowest Monthly 5.4 Year 1991
Relative Humidity (%):DATE 00.00 06.00 09.00 12.00 15.00 18.00 21.00 Daily 01-Apr 97 85 83 79 80 73 85 83.1 02-Apr 86 95 94 96 94 88 82 90.7 03-Apr 75 92 73 72 63 86 72 76.1 04-Apr 65 65 51 57 54 92 99 69.0 05-Apr 97 94 85 82 69 88 80 85.0 06-Apr 70 73 63 64 68 72 85 70.7 07-Apr 99 93 93 93 95 90 93 93.7 08-Apr 96 88 91 87 83 89 96 90.0 09-Apr 79 82 85 89 86 90 98 87.0 10-Apr 97 88 88 93 93 89 88 90.9 11-Apr 92 67 66 62 70 71 68 70.9 12-Apr 67 79 94 98 90 90 93 87.3 13-Apr 97 99 99 99 99 96 96 97.9 14-Apr 93 77 65 56 62 66 66 69.3 15-Apr 70 75 69 76 91 97 96 82.0 16-Apr 94 94 96 92 90 89 96 93.0 17-Apr 94 95 89 73 75 90 91 86.7 18-Apr 94 95 84 78 64 64 61 77.1 19-Apr 54 53 48 57 57 56 72 56.7 20-Apr 47 67 65 77 71 83 85 70.7 21-Apr 86 75 62 62 70 59 74 69.7 22-Apr 74 65 59 59 58 57 61 61.9 23-Apr 94 97 98 92 94 94 97 95.1 24-Apr 91 86 75 64 66 75 80 76.7 25-Apr 64 70 56 55 54 55 53 58.1 26-Apr 58 59 62 61 66 64 67 62.4 27-Apr 82 89 91 91 91 96 98 91.1 28-Apr 99 99 98 98 98 100 100 98.9 29-Apr 100 100 98 99 100 100 97 99.1 30-Apr 97 94 90 91 96 98 99 95.0 Mean 83.6 83.0 79.0 78.4 78.2 81.9 84.3 81.2 Max 100 100 99 99 100 100 100 99.1 Min 47 53 48 55 54 55 53 56.7 1974-96 Mean 84.5 Highest Monthly 89.4 Year 1984 Lowest Monthly 77.2 Year 1986
Wind Speed (knots):DATE 00.00 06.00 09.00 12.00 15.00 18.00 21.00 Daily MxGst 01-Apr 21 27 27 25 24 27 21 24.6 48 02-Apr 22 25 26 26 33 32 22 26.6 51 03-Apr 24 19 18 27 28 34 27 25.3 64 04-Apr 25 16 10 7 16 25 27 18.0 43 05-Apr 25 18 28 18 11 12 15 18.1 39 06-Apr 12 7 6 7 9 13 23 11.0 35 07-Apr 26 18 17 16 15 18 14 17.7 29 08-Apr 7 11 14 16 14 15 18 13.6 31 09-Apr 16 15 17 19 23 23 24 19.6 36 10-Apr 25 22 23 31 25 28 25 25.6 45 11-Apr 29 25 20 16 17 15 15 19.6 54 12-Apr 11 10 10 13 16 16 14 12.9 28 13-Apr 16 17 13 15 13 14 14 14.6 30 14-Apr 15 15 15 17 18 13 14 15.3 28 15-Apr 11 7 8 12 16 16 14 12.0 27 16-Apr 14 9 8 10 10 8 2 8.7 21 17-Apr 2 7 7 7 7 7 8 6.4 15 18-Apr 10 18 13 14 12 15 14 13.7 27 19-Apr 16 15 15 12 7 10 3 11.1 24 20-Apr 2 13 12 15 17 18 24 14.4 36 21-Apr 21 25 28 24 23 23 17 23.0 54 22-Apr 15 19 15 13 12 13 8 13.6 33 23-Apr 3 9 11 17 20 15 15 12.9 29 24-Apr 17 30 27 27 24 19 13 22.4 45 25-Apr 13 14 14 7 6 6 10 10.0 20 26-Apr 14 16 18 18 18 18 16 16.9 29 27-Apr 15 17 15 16 14 15 15 15.3 24 28-Apr 15 14 13 13 9 7 9 11.4 25 29-Apr 10 8 6 8 7 8 7 7.7 17 30-Apr 10 13 16 16 14 20 18 15.3 35 Mean 15.4 16.0 15.7 16.1 15.9 16.8 15.5 15.9 34.1 Max 29 30 28 31 33 34 27 26.6 64 Min 6.4 15 Hst Gst on: 3 1974-96 Mean 14.7 54.1 Highest Monthly 19.3 66 Year 1977 1982 Lowest Monthly 9.2 47 Year 1974 1987
Wind Direction:DATE 00.00 06.00 09.00 12.00 15.00 18.00 21.00 01-Apr 240 250 250 260 260 270 260 02-Apr 260 250 240 230 240 260 280 03-Apr 270 010 330 330 310 330 350 04-Apr 310 340 330 190 160 160 130 05-Apr 130 330 060 070 040 010 020 06-Apr 020 040 090 130 140 140 160 07-Apr 170 240 240 240 240 250 250 08-Apr 230 210 190 200 220 230 300 09-Apr 280 270 260 260 250 260 260 10-Apr 260 280 280 290 290 290 290 11-Apr 340 340 340 350 340 330 340 12-Apr 340 290 250 280 290 290 280 13-Apr 280 280 280 270 280 300 300 14-Apr 330 330 340 340 350 350 360 15-Apr 350 310 280 260 270 280 280 16-Apr 280 300 300 300 280 300 050 17-Apr 330 030 010 300 310 320 280 18-Apr 290 060 070 080 060 030 020 19-Apr 360 010 010 010 030 330 340 20-Apr 260 340 240 250 250 250 250 21-Apr 290 340 330 330 330 350 350 22-Apr 350 340 320 330 300 300 290 23-Apr 230 100 100 100 100 140 100 24-Apr 250 030 040 030 020 010 030 25-Apr 020 040 050 080 130 120 100 26-Apr 160 140 130 130 150 150 150 27-Apr 140 170 160 160 140 160 150 28-Apr 160 150 140 150 140 150 150 29-Apr 150 150 220 250 250 280 280 30-Apr 270 240 200 210 240 250 250 Most freq direction 260 340 240 260 140 250 280 No. Days at 09GMT: North 4 4.3 N East 3 2.8 East 3 3.6 S East 2 4.0 South 3 3.9 S West 4 3.4 West 6 4.5 N West 5 3.2 CALM 0 0.3
Weather:(Synop weather code) DATE 00.00 06.00 09.00 12.00 15.00 18.00 21.00 01-Apr 21 80 15 25 05 05 05 02-Apr 05 59 59 58 58 21 80 03-Apr 26 15 15 26 27 26 27 04-Apr 15 15 01 02 03 73 69 05-Apr 58 02 20 25 01 83 01 06-Apr 02 02 02 02 03 03 58 07-Apr 53 05 05 05 21 01 21 08-Apr 02 02 02 01 05 60 61 09-Apr 01 02 02 03 03 03 58 10-Apr 51 50 05 20 50 20 58 11-Apr 21 05 03 01 02 03 02 12-Apr 02 50 20 50 20 20 50 13-Apr 21 51 51 51 50 01 20 14-Apr 02 02 01 02 02 02 02 15-Apr 02 02 03 03 51 20 20 16-Apr 10 10 10 05 05 20 53 17-Apr 20 05 05 03 03 03 02 18-Apr 50 51 15 02 02 02 02 19-Apr 01 02 02 87 02 01 02 20-Apr 02 02 03 02 02 03 60 21-Apr 02 27 03 02 27 26 27 22-Apr 02 85 85 85 26 15 02 23-Apr 71 68 61 61 61 59 53 24-Apr 50 80 01 02 80 25 25 25-Apr 01 15 02 03 02 02 02 26-Apr 03 02 01 02 02 02 02 27-Apr 03 05 05 05 05 50 50 28-Apr 50 21 21 47 47 47 45 29-Apr 58 51 51 50 50 46 02 30-Apr 50 60 03 21 50 50 51 Most freq weather 02 02 02 02 02 03 02
Visibility:(Synop visibility code) DATE 00.00 06.00 09.00 12.00 15.00 18.00 21.00 01-Apr 60 70 70 65 65 65 65 02-Apr 65 50 30 30 50 60 65 03-Apr 75 70 75 70 62 65 65 04-Apr 75 75 80 80 80 10 15 05-Apr 25 75 70 70 75 65 75 06-Apr 80 82 82 80 80 80 60 07-Apr 20 58 65 65 62 70 70 08-Apr 70 70 70 70 65 65 62 09-Apr 70 70 70 70 70 65 50 10-Apr 15 62 58 62 56 58 60 11-Apr 65 65 70 70 75 75 75 12-Apr 70 70 56 08 62 65 56 13-Apr 40 40 32 00 12 65 60 14-Apr 65 75 75 82 82 80 80 15-Apr 80 82 82 80 56 56 60 16-Apr 56 58 60 60 62 62 56 17-Apr 62 65 68 70 75 80 70 18-Apr 56 60 80 80 84 84 84 19-Apr 84 82 84 84 84 84 84 20-Apr 84 84 84 84 80 70 70 21-Apr 75 75 70 70 70 70 70 22-Apr 70 75 75 75 81 81 81 23-Apr 15 60 70 65 60 56 30 24-Apr 56 62 75 75 75 75 70 25-Apr 80 82 82 82 86 86 84 26-Apr 82 82 82 82 82 82 82 27-Apr 70 62 35 58 40 30 20 28-Apr 12 18 22 01 01 01 00 29-Apr 00 12 01 08 05 05 60 30-Apr 56 70 70 68 60 25 08 Most freq vis 70 70 70 70 62 65 60
Return to Weather Index
|
|
|