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October 2006 daily and monthly summary

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OCTOBER 2006
November 2006


Note
A total hosepipe and sprinkler ban is in effect in South East Water & Mid Kent Water supply areas until further notice.
1st - 6th
A very unsettled period with spells of strong winds, showery downpours and more general rain as low pressure zones move across Scotland.
7th - 11th
Movement of large and complex low pressure sitting to the W of Scotland and Ireland is blocked by high pressure over Scandinavia. The airflow gradually drags in milder, more humid air with moderate rain showers. Thunderstorms early morning and midday on the 11th.
12th - 17th
High pressure over Scandinavia continues to block Atlantic lows. Rather calm and settled with sunny periods but also haze and mist. Fog morning of 16th.
18th - 25th
The block breaks down and a low pressure edges towards the UK from the SSW. Becoming increasingly unsettled with frequent showers. By the 21st all of the UK sits under a large low pressure zone. Several hours of rain from a warm front, afternoon 22nd. Continung unsettled and mostly dull.
26th - 31st
A quieter spell under high pressure, dry but remaining rather cloudy and dull. Passage of an occlusion during the afternoon of the 31st brings much fresher air.

 OCTOBER 2006 - MONTHLY SUMMARY
 TEMPERATURE
 Average Maximum 16.8
ºc 
 (+1.9º)
 Average Minimum 10.6
ºc 
 (+2.7º)
 Monthly Mean 13.3
ºc 
 
 Highest Maximum 20.3
ºc 
 (  9th)
 Lowest Minimum 5.1
ºc 
 (27th)
 Days Min <= 0 0
 
   
 
 AMBIENT TEMPERATURE
 Low Wind Chill 5.1
ºc 
 (27th)
 Low Heat Index (THW) 5.2
ºc 
 (27th)
 High Heat Index (THW) 20.6
ºc 
 (9th)
 High Sun Index (THSW) 26.2
ºc 
 (9th)
    
 
 RAINFALL
 Monthly Total 94.7
 mm
(112%)
 Rainy Days (=>0.2mm) 19
(+5)
 Inc days =>1mm) 15
 
 Dry Days 12
(-5)
 Highest Daily Total 17.3
 mm
 (6th)
 Highest Rain Rate 110.7
 mm/hr
 (11th)
   
 EVAPO-TRANSPIRATION
 Highest Daily 1.7
 mm (7th)
 Monthly Total 29.1
 mm
 WIND
 Monthly Average 1.9  mph  
 Highest Gust 25  mph (1st)
 Dominant Directions SSW  (51%)
SE  (12%)
ESE  (  8%)
W  (  8%)
     
 SUNSHINE†
 Sunniest Day
5.8
 hrs (7th)
 Monthly Sunshine
58.3
 Hours
 Peak Solar Rad.
748
 w/m² (1st)
 Total Solar Energy
3433
 Langleys
 
   
 DEWPOINT
 Average at 14.00h 11.0 ºc
 Highest Reading 16.3 ºc   (11th)
 Lowest Reading -0.4 ºc   (31st)
 RELATIVE HUMIDITY
 Average at 14.00h 72 %
 Lowest Reading 47 % (7th)
 Monthly Average 81 %
 BAROMETER
 Monthly Mean 1008.6  hPa  
 Highest Reading 1030.9  hPa (13th)
 Lowest Reading 981.8  hPa (24th)
‡ SUN: Sunshine hours are calculated approximately and solely from solar radiation readings, but note that the solar sensor's exposure to sunshine is 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 OCTOBER 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
14.7 18.9 67 12.2 1.3 1002.4 fs 3.6 4.7 25 SSW
2nd
13.3 16.2 84 12.1 0.3 1002.6 fs 15.0 3.9 20 SSW
3rd
7.4 16.6 58 7.7 3.0 1001.2 st 0.0 1.1 12 W
4th
9.0 15.4 58 6.8 2.8 1011.1 st 0.3 1.1 13 SSW
5th
5.5 14.8 80 10.3 0.0 1012.8 f 3.6 3.2 21 SSW
6th
14.9 16.7 89 14.5 1.2 999.8 f 17.3 6.1 25 SSW
7th
9.6 16.5 49 5.2 5.8 1016.7 rs 0.0 2.4 16 SSW
8th
7.2 17.3 57 8.1 3.5 1016.9 f 0.0 0.9 17 SSW
9th
9.9 20.3 73 14.7 1.7 1014.9 rs 1.3 1.9 13 SSW
10th
15.9 19.4 80 15.4 1.8 1016.7 f 1.5 0.4 8 ESE
11th
12.6 18.3 91 15.4 1.0 1007.3 rs 6.1 0.5 12 SE
12th
9.3 17.7 59 9.1 4.7 1023.1 r 0.0 0.7 13 SSW
13th
7.3 20.0 60 11.7 4.2 1029.9 f 0.0 0.2 8 ESE
14th
7.7 17.9 72 11.8 1.3 1027.0 f 0.0 0.4 10 ESE
15th
10.6 17.9 69 11.5 4.5 1024.1 f 0.0 0.8 10 WSW
16th
8.6 19.8 66 12.8 3.3 1017.1 f 0.0 0.2 7 SE
17th
9.2 17.0 74 11.1 0.5 1008.0 fs 0.0 0.6 12 SE
18th
13.9 16.8 90 14.1 0.0 1002.2 f 1.3 0.2 7 SE
19th
13.8 16.9 67 10.4 2.0 991.4 fs 7.6 2.6 19 SE
20th
12.5 16.9 80 12.3 2.2 990.0 rs 2.5 2.8 17 SSW
21st
12.7 17.2 78 12.1 2.0 995.9 st 4.1 3.3 24 SSW
22nd
11.5 15.3 89 12.5 0.0 992.7 fq 12.7 3.9 24 SSW
23rd
11.1 13.9 77 9.5 0.2 992.7 fs 5.8 1.4 17 SSW
24th
10.6 13.3 77 9.2 1.2 999.9 rq 7.9 1.2 13 SSW
25th
6.4 13.9 82 10.5 0.0 1001.0 fq 3.6 1.0 14 SE
26th
13.8 18.3 76 13.2 1.5 1001.8 rs 0.0 3.6 20 SSW
27th
5.1 14.4 63 7.3 0.8 1021.6 rs 0.0 0.5 12 SSW
28th
10.1 16.8 77 12.7 0.3 1020.6 fs 0.3 2.8 19 SSW
29th
14.1 15.7 63 8.5 3.7 1024.2 st 0.0 0.9 11 N
30th
7.2 17.1 74 11.8 1.5 1016.4 f 0.3 1.7 20 SSW
31st
12.9 14.1 60 6.4 2.0 1006.5 fs 0.0 4.1 21 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