January 1999
Date Time T RH Tmax Tmin T0 T10 T30 T50 MSLP Rain Gust Weather
01/01/99 19 7.8 83 N/A N/A 5.6 6.5 7.1 7.2 1002 0.0 N/A Sunny spells.
02/01/99 18 5.6 89 9.1 4.7 4.7 5.7 7.0 7.2 996 5.9 25 Sunny AM. 1500-1535 squally showers with 7mm hail. Thunder and lightning. Further showers early evening then fine.
03/01/99 19 6.6 80 9.4 2.7 5.2 5.5 6.4 6.7 1006 6.5 29 Rain overnight then sunny spells. Windy. Rain in evening.
04/01/99 17 11.0 65 13.3 6.0 8.4 8.4 7.5 7.1 1008 6.1 25 Rain overnight. Sunny spells then cloudy.
05/01/99 18 10.7 81 13.8 9.4 8.6 9.0 8.3 7.8 1009 1.0 20 Rain overnight then sunny spells.
06/01/99 18 12.0 75 13.9 9.1 8.7 8.4 8.2 8.0 1005 0.0 19 Sunny. Heavy rain in evening.
07/01/99 19 7.4 94 11.8 3.2 7.4 7.6 6.4 6.2 1000 7.6 14 Sunny. Rain PM.
08/01/99 19 3.6 92 7.4 2.5 4.4 5.4 6.6 7.3 1000 3.3 15 Early sun then occasional rain. Sleet in evening.
09/01/99 17 3.3 90 4.2 0.2 3.5 4.4 6.0 6.7 1008 0.0 12 Cloudy at times. Shower in evening.
10/01/99 18 0.3 85 3.3 -1.0 1.4 3.6 5.4 6.3 1014 0.4 12 Cloudy. Sleet shower midday then fine.
11/01/99 18 0.4 92 2.4 -2.3 0.8 2.7 4.6 5.7 1018 0.0 8 Mainly cloudy.
12/01/99 18 4.1 98 6.1 -3.7 2.4 3.0 4.0 5.3 998 12.0 16 Sleet turning to heavy rain AM. Rain dying out PM.
13/01/99 18 8.3 95 8.3 1.7 5.4 3.8 4.1 5.0 999 1.9 12 Rain at times during daytime.
14/01/99 18 7.6 77 8.3 3.3 4.5 4.3 4.8 5.3 1006 0.1 16 Sunny AM. Showers late afternoon and evening.
15/01/99 18 9.4 93 10.2 7.1 7.5 6.5 5.9 5.6 995 6.5 22 Rain at times. Becoming very windy in evening.
16/01/99 17 5.7 75 10.9 4.8 4.7 6.1 6.9 6.4 998 17.2 23 Rain overnight then sunny spells.
17/01/99 18 5.1 70 8.9 0.4 2.7 4.2 5.5 6.1 1009 0.0 15 Sunny periods.
18/01/99 20 8.6 95 8.9 0.4 6.4 5.2 5.0 5.4 1008 2.9 22 Occasional rain heavier in evening.
19/01/99 18 12.0 96 12.0 8.1 9.8 8.4 6.7 6.3 1005 7.7 29 Rain at times. Windy.
20/01/99 18 8.9 95 12.0 8.9 8.3 8.6 8.0 7.3 1013 6.6 13 Occasional rain then cloudy and dry.
21/01/99 20 3.2 97 8.9 2.8 4.6 6.5 7.4 7.2 1025 0.0 6 Fog AM then rather cloudy and mainly dry.
22/01/99 17 1.0 98 3.2 -1.8 3.4 4.6 6.1 6.7 1025 0.0 5 Fog for most of the day.
23/01/99 18 7.8 96 7.8 -1.5 6.2 5.5 5.6 6.2 1013 0.0 13 Cloudy. Rain in evening.
24/01/99 17 7.8 96 8.8 3.8 6.2 6.4 6.3 6.5 1013 1.6 10 Rain overnight then mainly cloudy. Some sun in afternoon.
25/01/99 18 7.5 74 12.1 7.0 6.5 8.0 7.6 7.0 1013 2.8 29 Mainly cloudy. Some showers.
26/01/99 18 5.1 94 8.6 2.8 4.4 5.9 6.6 6.8 1001 10.0 15 Sunny intervals AM. Spell heavy rain in afternoon then showers.
27/01/99 17 7.1 77 7.6 1.1 4.8 4.7 5.6 6.3 1012 0.1 19 Sunny intervals. rather cloudy generally.
28/01/99 19 7.2 71 11.1 6.7 5.5 6.6 6.7 6.5 1017 0.9 21 Rain overnight. Rather cloudy.
29/01/99 18 5.8 88 7.2 -0.8 5.0 5.4 5.9 6.3 1033 0.0 10 Mainly cloudy. Rain in evening.
30/01/99 20 3.3 97 5.8 3.3 4.4 5.1 5.9 6.3 1040 4.8 5 Rain and drizzle all day.
31/01/99 19 4.7 83 5.3 2.7 4.5 5.1 5.8 6.2 1041 0.0 3 Cloudy. Occasional drizzle in afternoon.
(No snow depths recorded this month)
Summary
Highest day max 13.9 6th Lowest day max 2.4 11th Lowest night min -3.7 12th Highest night min 9.4 5th Mean day max 8.7 Mean night min 3.1 Mean temperature 5.9
Total rainfall 105.9 Highest daily total 17.2 16th No. rain days (>= 0.2) 19 No. wet days (>= 1.0) 17
Mean pressure 1011 Highest value read 1041 31st Lowest value read 995 15th
Mean RH 87%
Mean 10 cm earth temperature 5.8 Mean 30 cm earth temperature 6.3 Mean 50 cm earth temperature 6.5
No. days with air frost 6 No. days with thunder 1 No. days with snow 0 No. days with sleet 3 No. days with hail < 0.5 cm 0 No. days with hail >=0.5 cm 1
Max. wind gust (corrected to 10m) 42 mph 3rd/19th/25th
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