Tonbridge-Weather.org.uk

2010 Yearly summary


Return to Daily Summaries Index
This page contains the monthly summaries for 2010 and links to daily readings.


YEAR 2010 - 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  
0.0 3.5 1.64 -5.7 8.3 54.0 43.3 20 1.1 / N   24
FEBRUARY  
1.2 6.0 3.51 -3.6 10.7 55.0 83.0 20 2.0 / N   25
MARCH  
3.5 10.5 6.45 -3.5 15.9 110.0 53.9 14 2.0 / SW 27
APRIL  
4.8 15.7 9.82 0.9 21.4 205.0 15.7 7 1.6 / SW 28
MAY  
7.0 16.9 11.47 1.5 28.6 167.0 24.3 9 1.5 / N   21
JUNE  
11.6 22.5 16.62 7.9 30.1 215.0 37.1 11 1.5 / N   21
JULY  
14.6 24.0 19.01 10.6 29.9 190.0 † 8.9 12 2.3 / SW 32
AUGUST  
12.9 20.6 16.40 7.2 23.8 120.0 71.1 16 2.3 / SW 32
SEPTEMBER  
10.6 18.8 14.24 5.6 23.2 122.0 30.5 16 1.7 / SW 25
OCTOBER  
8.4 14.7 11.12 -1.2 23.2 101.0 67.0 19 1.7 / SW 26
NOVEMBER  
3.9 8.1 5.95 -4.2 16.4 58.0 62.5 17 2.0 / SW 31
DECEMBER  
-1.1 2.7 0.92 -9.5 7.3 30.0 34.5 15 1.0 / N   22
Year  
    9.76 -9.5 30.1 1427.0 531.8 161   32

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


2010 YEARLY SUMMARY
ACTUAL TEMPERATURE
 AVERAGE
 Daily Maximum 13.7  ºC ( - 1.1C )*
 Daily Minimum 6.5  ºC ( - 0.8C )*
 Daily Mean 9.79  ºC ( c. - 0.6C )
 EXTREMES
 High Maximum
30.1
 ºC ( 27 Jun )
 Low Minimum -9.5  ºC (   3 Dec )
 Low Maximum
-0.3
 ºC (   8 Jan)
 High Minimum
18.6
 ºC ( 21 Aug )
 
   
 Days with Air Frost
60
  ( +29 )*
 Days with max > 25 º
22
  ( -1 )*
 Days with max < 0 º ("Ice days")
7
  ( +5 )*
 
PRECIPITATION
 Yearly Total
531.8
 mm ( 76% )*
 Days with measurable precip
168
 Days ( +9 )*
   ...of which, days with >= 1.0 mm
104
 Days ( -20 )*
   ...and days with snowfall observed
24
 Days  
 Days with Snow Cover
31
 Days  
 Days with Thunder
4
 Days  
 RAIN RATE & EXTREMES
 High Rain Rate
108.0
 mm/hr ( 22 Aug   )
 High Rain Total in 1 day
22.1
 mm ( 25 Aug )
 High Rain Total in 1 hour
8.4
 mm ( 11 Jun, 07.30h)
 EVAPO-TRANSPIRATION
 Total for Year
621.5
 mm  
 High Total for 1 day
5.14
 mm ( 9 Jul )
APPARENT TEMPERATURE
 Low Wind Chill
-9.5
 ºC ( 3 Dec)
 DAVIS HEAT INDICES THW & THSW
 Low Temp/Hum/Wind Index
-9.6
 ºC ( 3 Dec)
 High Temp/Hum/Wind Index
29.2
 ºC ( 9 Jul )
 High Temp/Hum/Sun/Wind Index
35.0
 ºC ( 27 Jun & 9 Jul)
 
DEWPOINT & HUMIDITY
 High Dewpoint
17.6
 ºC ( 21 Aug )
 Low Dewpoint
-11.4
 ºC (   3 Dec  )
 
   
 Low Relative Humidity
17
 % ( 21 Apr )
 
   
WIND SPEED & DIRECTION
 Yearly Average
1.7
 mph  
 Windiest day (Average)
6.7
 mph ( 4 Nov )
 Highest Gust
32
 mph ( 29 Aug )
 Dominant Direction
SW
 ( 27% )
 
BAROMETER
 Yearly Mean
1012.8
 hPa  
 High Barometer
1040.5
 hPa ( 26 Jan )
 Low Barometer
965.4
 hPa (   8 Nov )
SUNSHINE
 Max Sensor Exposure to direct sun
9.7
 hours/day (15.5 possible)
 Calculated Yearly Sunshine Hours
1113.0
 hours  
 Estimated Actual Hours (approx)
1427
 hours  
 Sunniest Month Actual Hours
215
 hours ( June )
 Days with no sunshine
58
 Days  
 
FOG
 Number of Days with Fog
31
 Days  
NOTABLE SITE RECORDS SET THIS YEAR
  • Highest number of air frosts in calendar year*
  • Second driest calendar year*
  • Driest July*
  • Lowest minimum temperature for December*, -9.5 °C on the 3rd.
  • Coldest December*

  • * since recording started at this site