April 1999
Date Time T RH Tmax Tmin T1 T10 T30 T50 MSLP Rain Gust Weather
01/04/99 18 19.0 37 21.0 5.7 14.5 13.1 10.1 9.4 1008 0.0 13 Sunny. 02/04/99 18 13.1 62 19.0 8.9 12.3 12.3 10.5 9.7 1015 0.0 11 Sunny spells. Very light shower PM. 03/04/99 19 12.7 94 13.1 5.0 11.6 11.0 10.1 9.6 1019 0.3 8 Cloudy. Occasional light rain and drizzle. 04/04/99 18 15.2 71 17.1 5.8 13.6 12.1 10.2 9.6 1026 0.0 10 Mainly cloudy. A few sunny intervals. 05/04/99 17 14.8 75 15.2 11.8 13.6 12.0 10.9 10.0 1023 0.0 11 Mainly cloudy with a few spots of rain. 06/04/99 18 14.4 52 17.9 10.1 13.3 12.9 10.9 10.1 1015 0.1 16 Light rain overnight. Sunny spells. Cloudy evening. 07/04/99 18 11.0 70 14.7 6.1 11.3 10.9 10.5 10.1 1020 0.7 16 Sunny intervals. Showers PM. 08/04/99 18 15.0 64 16.7 2.1 13.0 11.7 10.0 9.7 1025 0.0 10 Sunny periods AM then becoming cloudy. 09/04/99 16 16.7 65 16.7 8.6 14.4 11.7 10.6 10.0 1023 0.0 7 Early cloud then sunny periods. 10/04/99 18 13.4 52 17.0 8.1 12.8 12.0 10.6 10.1 1015 0.0 16 Light showers AM then sunny spells. 11/04/99 17 13.5 45 15.0 3.7 12.0 11.4 10.0 9.9 1015 0.0 14 Sunny periods. 12/04/99 19 8.9 85 13.8 6.0 9.8 10.9 10.2 9.9 993 6.2 19 Rain overnight. Showers PM. 13/04/99 17 8.1 48 9.6 4.1 8.8 9.5 9.6 9.7 999 1.0 26 Sunny spells with occasional showers of small hail, rain and sleet. 14/04/99 18 7.2 37 8.9 -2.7 8.0 8.5 8.6 9.0 993 0.0 25 Sunny spells. 15/04/99 18 9.7 45 12.1 -2.9 9.3 8.9 8.0 8.5 998 0.0 11 Sunny spells. 16/04/99 17 11.1 48 11.2 -1.8 8.7 8.8 8.4 8.6 1002 0.0 8 Sunny spells. Very light shower AM. 17/04/99 21 5.9 76 13.4 -1.8 7.0 8.5 8.4 8.4 1011 0.0 9 Early fog then sunny spells. Shower AM. 18/04/99 18 8.7 69 13.5 -1.0 8.7 9.0 8.2 8.4 1014 1.2 12 Sunny periods AM. Cloudy with shower PM. 19/04/99 18 10.7 45 11.3 -2.0 9.3 8.6 7.8 8.2 1013 0.0 7 Sunny spells. 20/04/99 17 12.0 95 12.0 4.6 10.4 9.0 8.5 8.4 992 8.3 22 Rain all day. 21/04/99 18 11.0 84 13.7 8.6 10.4 10.1 9.2 8.7 993 7.4 29 Showery rain AM. Drier PM. 22/04/99 18 11.4 81 13.3 9.0 11.6 11.0 9.7 9.1 1005 3.6 15 Sunny spells and showers some heavy. 23/04/99 18 11.0 85 12.7 5.4 10.8 10.4 9.7 9.2 1006 0.7 10 Occasional rain. 24/04/99 18 13.9 59 15.6 7.5 12.9 11.6 10.0 9.4 1014 1.0 9 Rather cloudy. Patchy rain overnight. 25/04/99 17 13.1 60 15.6 4.0 12.4 11.5 10.1 9.7 1011 0.0 14 Rather cloudy. Occasional rain in late afternoon and evening. 26/04/99 18 16.4 63 17.0 9.1 13.8 12.5 10.6 9.9 1014 5.5 7 Early fog and rain AM. Brighter and dry PM. 27/04/99 18 17.6 46 18.3 9.5 14.6 13.9 11.4 10.4 1026 0.0 15 Sunny spells. 28/04/99 17 19.6 43 19.6 4.7 15.7 13.7 11.2 10.5 1023 0.0 16 Sunny periods. 29/04/99 18 16.0 43 19.6 4.7 14.5 13.9 11.5 10.9 1016 0.0 7 Early drizzle then sunny. 30/04/99 18 20.0 34 21.6 2.0 15.8 14.6 11.4 10.9 1015 0.0 13 Mainly sunny.
Summary
Highest day max 21.6 30th Lowest day max 8.9 14th Lowest night min -2.9 15th Highest night min 11.8 5th Mean day max 15.2 Mean night min 4.8 Mean temperature 10.0
Total rainfall 36.0 Highest daily total 8.3 20th No. rain days (>= 0.2) 11 No. wet days (>= 1.0) 8 Mean pressure 1011 Highest value read 1026 27th Lowest value read 992 20th
Mean RH 61%
Mean 10 cm earth temperature 11.2 Mean 30 cm earth temperature 9.9 Mean 50 cm earth temperature 9.5
No. days with air frost 6 No. days with thunder 0 No. days with snow 0 No. days with sleet 1 No. days with hail < 0.5 cm 1 No. days with hail >=0.5 cm 0
Max snow depth N/A Max. wind gust (corrected to 10m) 41 mph 21st
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