Tonbridge-Weather.org.uk

2008 Yearly summary


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This page contains the monthly summaries for 2008 and links to daily readings.

YEAR 2008 - MONTHLY SUMMARY  
Click on month
name for daily stats
Monthly Ave Temperature ºc
Monthly Low / High ºc
Sun*
Monthly Rainfall
Wind (mph)
Min Max Mean Min Max Hrs* Total
(mm)
Wet
Days
Ave Speed / Dir High
Gust
JANUARY  
5.2 9.2 7.2 -0.1 13.1 45 74.9 21 3.9 / SSW 34
FEBRUARY  
1.8 10.6 5.6 -5.3 14.9 115 20.5 11 2.1 / SSW 32
MARCH  
4.2 10.1 6.8 -1.3 15.9 80 90.3 21 3.4 / SSW 38
APRIL  
4.8 13.5 8.7 -2.1 19.8 140 68.0 18 2.0 / SSW 22
MAY  
9.8 20.4 14.5 4.1 27.8 190 72.4 13 1.2 / N      27
JUNE  
11.3 20.3 15.5 8.3 27.0 190 21.0 11 2.1 / SSW 27
JULY  
13.0 22.1 17.3 8.7 29.6 175 60.5 14 2.3 / SSW 26
AUGUST  
13.7 20.4 16.5 8.5 26.3 115 49.6 20 2.8 / SSW 29
SEPTEMBER  
9.6 18.1 13.3 4.4 21.3 120 48.5 12 1.7 / SSW 22
OCTOBER  
6.2 14.1 9.7 -0.8 22.6 125 45.5 15 2.0 / SSW 28
NOVEMBER  
5.9 9.8 7.8 -1.6 13.9 41 92.0 22 2.2 / SW   34
DECEMBER  
1.8 6.0 3.8 -5.8 12.6 69 33.2 10 1.5 / SW   28
Year  
    10.6 -5.8 29.6 1405 643.2 166 2.3 / SSW 38


BOLD signifies new site record for the month since recording began
* Total bright sunshine hours estimated from limited daily exposure solar radiation readings


2008 YEARLY SUMMARY
ACTUAL TEMPERATURE
 AVERAGE
 Daily Maximum
14.6
 ºC ( -0.1C)*
 Daily Minimum
7.3
 ºC ( ±0C )*
 Daily Mean
10.57
 ºC ( +0.2C )
 EXTREMES
 High Maximum
29.6
 ºC ( 28 July )
 Low Minimum
-5.8
 ºC ( 30 Dec )
 Low Maximum
2.1
 ºC ( 16 & 29 Dec)
 High Minimum
16.8
 ºC ( 23 July )
 
   
 Days with Air Frost
35
  ( +6 )*
 Days with max > 25 º
17
  ( -4 )*
 Days with max < 0 º ("Ice days")
0
  ( -1 )
 
PRECIPITATION
 Yearly Total
676.4
 mm ( 96% )*
 Days with measurable precip
186
 Days ( +27 )*
   ...of which, days with >= 1.0 mm
114
 Days ( -9 )*
   ...and days with snowfall observed
4
 Days  
 Days with Snow Cover
0.6
 Days  
 Days with Thunder
5
 Days  
 RAIN RATE & EXTREMES
 High Rain Rate
82.3
 mm/hr ( 30 Sep )
 High Rain Total in 1 day
27.9
 mm ( 15 Jan )
 High Rain Total in 1 hour
9.1
 mm ( 28 May, 02h)
 EVAPO-TRANSPIRATION
 Total for Year
632.3
 mm  
 High Total for 1 day
5.0
 mm ( 1 July )
APPARENT TEMPERATURE
 Low Wind Chill
-5.8
 ºC ( 30 Dec )
 DAVIS HEAT INDICES THW & THSW
 Low Temp/Hum/Wind Index
-5.9
 ºC ( 30 Dec )
 High Temp/Hum/Wind Index
29.8
 ºC ( 28 July )
 High Temp/Hum/Sun/Wind Index
35.7
 ºC ( 28 July )
 
DEWPOINT & HUMIDITY
 High Dewpoint
17.7
 ºC ( 31 July )
 Low Dewpoint
-8.7
 ºC ( 18 Feb )
 Average Dewpoint at 14h
6.4
 ºC  
 Low Relative Humidity
22
 % ( 11 May )
 Average RH at 14h
64
 %  
WIND SPEED & DIRECTION
 Yearly Average
2.3
 mph  
 Windiest day (Average)
7.6
 mph ( 5 Feb )
 Highest Gust
38
 mph ( 10 Mar )
 Dominant Direction
SSW
 ( 30% )
 
BAROMETER
 Yearly Mean
1013.5
 hPa  
 High Barometer
1042.2
 hPa ( 16 Feb )
 Low Barometer
963.7
 hPa ( 10 Mar )
SUNSHINE
 Max Sensor Exposure to direct sun
2 - 10
 hours/day (15.5 possible)
 Calculated Yearly Sunshine Hours
1126.3
 hours  
 Estimated Actual Hours (approx)
1405
 hours  
 Sunniest Day Measured
9.7
 hours ( 5 June )
 Days with no sunshine
52
 Days  
 
FOG
 Number of Days with Fog
15
 Days  
NOTABLE SITE RECORDS SET THIS YEAR
  • No major records set in 2008