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August 2006 daily and monthly summary

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AUGUST 2006
September 2006


Note
A total hosepipe and sprinkler ban is in effect in South East Water & Mid Kent Water supply areas until further notice.
1st - 4th
Slow moving low to the north results in a cool airflow with dull, breezy conditions and infrequent light showers.
5th - 9th
A ridge from the Azores HP brings warm and sunny weekend 5th and 6th. After a muggy night, a cold front causes heavy showers on the 7th, and a fresher airflow.
10th - 14th
Low pressure transfers slowly to the N of Germany feeding in an airflow from the E, which turns into rather blustery and cool N'ly wind across the North Sea. The low edges westward, bringing more rain on the 12th and 13th from an occlusion. The 14th was a very gloomy day, still under the influence of the same low.
15th - 17th
With a new low pressure to the SW a feed of warmer air brings sunshine and showers.
18th - 26th
The series of depressions gives way briefly to a ridge of high pressure but it remains mainly unsettled and often very dull with many showers. Low pressures cluster around the UK again - several heavy, short downpours on the 24th - the wettest day since May 20th. An occlusion brought more showers on the 26th.
27th - 31st
The 28th and 29th brought sunshine and squally showers. Generally a fair end to the month, with a small high zone to the south and a depression to the NW sending slightly warmer and more humid air to southern areas.

 AUGUST 2006 - MONTHLY SUMMARY
 TEMPERATURE
 Average Maximum 20.9
ºc 
 (-1.6*)
 Average Minimum 12.8
ºc 
 (-0.1*)
 Monthly Mean 16.2
ºc 
 
 Highest Maximum 28.9
ºc 
 ( 6th)
 Lowest Minimum 8.4
ºc 
 (25th)
 Days with Max =>25ºc 2
 
   
 
 AMBIENT TEMPERATURE
 Low Wind Chill 8.4
ºc 
 (25th)
 Low Heat Index (THW) 8.6
ºc 
 (25th)
 High Heat Index (THW) 29.4
ºc 
 ( 6th)
 High Sun Index (THSW) 35.8
ºc 
 ( 6th)
    
 
 RAINFALL
 Monthly Total 61.2
 mm
 (120%)
 Rainy Days (=>0.2mm) 17
( +6 )
 Inc days =>1mm) 11
 
 Dry Days 14
( -6 )
 Highest Daily Total 12.2
 mm
 (24th)
 Highest Rain Rate 70.4
 mm/hr
 (21st)
   
 EVAPO-TRANSPIRATION
 Highest Daily 3.4
 mm ( 8th)
 Monthly Total 66.5
 mm
 WIND
 Monthly Average 1.9  mph  
 Highest Gust 24  mph (1st)
 Dominant Directions SSW  (33%)
N  (23%)
NNW  (14%)
W  (10%)
     
 SUNSHINE†
 Sunniest Day
7.0
 hrs (8th)
 Monthly Sunshine
90.6
 Hours
 Peak Solar Rad.
1149
 w/m² (10th)
 Total Solar Energy
7953
 Langleys
 
   
 DEWPOINT
 Average at 14.00h 10.7 ºc
 Highest Reading 16.9 ºc   ( 7th)
 Lowest Reading 3.6 ºc   ( 9th)
 RELATIVE HUMIDITY
 Average at 14.00h 59 %
 Lowest Reading 30 % ( 8th)
 Monthly Average 71 %
 BAROMETER
 Monthly Mean 1012.1  hPa  
 Highest Reading 1023.5  hPa ( 7th)
 Lowest Reading 999.1  hPa (17th)
‡ SUN: Sunshine hours are calculated approximately and solely from solar radiation readings, but note that the solar sensor's exposure to sunshine is rather limited. The sensor receives only 60% of total possible sunshine exposure this month. There is no allowance for sunshine by visual observation only, so the figures above can be very significantly less than the actual daily sunshine duration.
THW = Shaded Heat Index calculated with cooling/warming effect of wind and humidity to give an apparent temperature.
THSW = Unshaded Heat Index calculated with cooling/warming effect of wind, humidity and full direct sunshine to give an apparent temperature.
EVAPO-TRANSPIRATION is drying effect due to sun and wind, and is equivalent to "negative rainfall"

   DAILY STATS AUGUST 2006
 
TEMPERATURE ºc
HUMIDITY
SUN ‡
PRESSURE
RAINFALL
WIND SPEED
DIRECTION
DATE
Minimum
(21-09h)
Maximum
(09-21h)
RH %
at 14.00
Dewpoint ºc
at 14.00
Bright
sun hrs
hPa   †
at 14.00
Day Total
(mm)
Average
(mph)
High Gust
(mph)
Dominant
(Compass)
                   
1st
13.6 21.8 41 7.2 3.8 1005.3 st 0.8 3.6 24 SSW
2nd
13.6 21.5 44 7.2 1.0 1006.6 fs 0.5 2.8 19 N
3rd
13.3 17.6 70 12.0 0.2 1012.8 r 0.5 3.5 20 NNW
4th
11.9 20.1 58 10.2 0.0 1018.2 st 0.0 1.2 12 NNW
5th
11.1 26.9 39 9.5 6.5 1020.6 st 0.0 0.7 11 N
6th
12.6 28.9 45 12.8 5.7 1020.0 fs 0.0 0.6 10 N
7th
17.4 22.1 88 16.6 0.2 1020.4 rs 7.1 1.3 14 NNW
8th
11.7 24.7 35 6.6 7.0 1021.2 f 0.0 1.5 12 N
9th
15.4 22.3 38 6.9 5.2 1015.5 fs 0.0 1.6 14 N
10th
11.0 19.8 56 9.8 1.8 1014.3 f 0.0 1.7 13 W
11th
11.8 18.9 45 5.8 1.2 1011.7 f 0.0 2.1 16 N
12th
13.5 16.6 77 11.5 0.0 1011.0 st 1.5 5.3 24 N
13th
12.8 20.8 64 12.1 2.7 1007.5 r 7.1 2.5 21 N
14th
13.0 15.8 87 12.5 0.0 1011.1 rs 1.0 1.0 12 N
15th
12.6 21.6 51 10.2 3.8 1006.1 f 0.0 1.9 17 SSW
16th
11.0 23.3 52 12.1 5.7 1001.6 fs 0.8 1.1 17 SE
17th
13.1 22.6 54 11.3 3.3 1000.0 st 3.8 1.2 17 SE
18th
14.4 18.7 69 11.9 2.7 1001.9 rs 5.1 2.6 18 SSW
19th
13.6 21.4 58 12.3 5.3 1009.1 st 0.3 3.1 18 SSW
20th
14.9 20.3 62 12.1 1.8 1015.5 r 0.5 3.4 19 SSW
21st
12.9 21.8 58 11.8 3.5 1014.7 st 6.3 1.6 18 SSW
22nd
11.2 20.6 52 9.4 2.5 1018.4 f 0.0 1.4 12 SSW
23rd
13.5 19.5 69 12.8 0.8 1012.6 f 4.1 1.3 14 SSW
24th
13.3 17.6 81 12.7 0.3 1007.9 rs 12.2 0.8 12 N
25th
8.4 21.5 50 9.3 5.2 1008.8 st 0.0 1.0 12 SSW
26th
13.3 20.1 82 15.0 1.3 1008.8 r 4.3 0.5 10 N
27th
12.6 21.5 54 10.3 5.0 1013.7 st 0.0 1.5 12 SSW
28th
12.7 19.2 55 8.5 3.8 1007.5 rs 5.1 2.1 19 SSW
29th
10.9 18.2 71 8.3 2.8 1007.9 st 0.5 1.8 21 W
30th
10.2 20.1 49 7.3 4.3 1020.1 rs 0.0 1.6 12 SSW
31st
14.8 21.7 64 14.2 3.2 1020.4 fs 0.0 3.6 20 SSW
                     
‡ SUN: Sunshine hours are calculated approximately and solely from solar radiation readings, but note that the solar sensor's exposure to sunshine is rather limited. The sensor receives only 65% of total possible sunshine exposure this month, and there is no allowance for sunshine by visual observation only, so the figures above can be very significantly less than the actual daily sunshine duration.
† Barometer trend (previous 3 hours) : f = falling, st = steady, r = rising; q = quickly, s = slowly