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JUNE 2006 daily and monthly summary

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JUNE 2006
July 2006

Note
A total hosepipe and sprinkler ban is in effect in South East Water & Mid Kent Water supply areas until further notice.
1st - 7th
High pressure dominates, but a rather dull and cool if dry start to June. A warm front band lingers over eastern England on the 2nd, only clearing away slowly late evening. The anticyclone to the west of the UK really starts to work its influence on the 3rd, with unbroken sunshine and temperatures rising well above average. Continuing dry and settled with long sunny periods.
8th - 12th
High pressure now in the North Sea, bringing very warm air from the continent. Virtually unbroken sunshine with a slight haze. The first 10 days of the month were outstandingly sunny in the west of the UK and Ireland. The HP slips away slowly eastwards, allowing slightly more humid air to track in from the SW on the 11th.
13th - 18th
A slow moving cold front brings an end to the hot spell during the 13th with rain and dull conditions. The cloud breaks only at the very end of the day on the 14th. A weak ridge from the Azores high and continental highs bring more warm weather but rather more cloudy than before.
19th - 24th
Westerlies bring a cooler and rather windy spell, but remaining dry with periods of sunshine. Becoming warmer again briefly but high cloud on the 25th broke only for a few moments near sunset.
26th - 27th
The 26th was a very dull and cool day with three spells of rain; the longest and wettest in early morning, and the other two in the early afternoon. The 27th was a little brighter with the UK under weak high pressure but mostly overcast again.
 JUNE 2006 - MONTHLY SUMMARY
 TEMPERATURE
 Average Maximum 22.8
ºc 
  (+2.5)*
 Average Minimum 11.1
ºc 
  (+0.1)*
 Monthly Mean 16.6
ºc 
  
 Highest Maximum 30.5
ºc 
  (12th)
 Lowest Minimum 3.3
ºc 
  ( 1st)
 Days Max >= 25º 9
 
   
 
 AMBIENT TEMPERATURE
 Low Wind Chill 3.3
ºc 
  (1st)
 Low Heat Index (THW) 3.2
ºc 
  (1st)
 High Heat Index (THW) 30.1
ºc 
  (12th)
 High Sun Index (THSW) 36.3
ºc 
  (12th)
    
 
 RAINFALL
 Monthly Total 18.8
 mm
 (43%)*
 Rainy Days (=>0.2mm) 5
(-6)
 Inc days =>1mm) 3
 
 Dry Days 25
(+6)
 Highest Daily Total 8.1
 mm
  (13th)
 Highest Rain Rate 80.3
 mm/hr
  (13th)
   
 EVAPO-TRANSPIRATION
 Highest Daily 4.9
 mm (10th)
 Monthly Total 95.7
 mm
 WIND
 Monthly Average 1.3  mph  
 Highest Gust 25  mph (20th)
 Dominant Directions SSW  (27%)
ESE  (15%)
SE  (13%)
NNW  (11%)
     
 SUNSHINE†
 Sunniest Day 9.0  hrs (3rd)
 Monthly Sunshine 163.3  Hours
 Peak Solar Rad. 1179  w/m² (12th)
 Total Solar Energy 12267  Langleys
 
   
 DEWPOINT
 Average at 14.00h 9.8 ºc
 Highest Reading 20.6 ºc   (13th)
 Lowest Reading -0.2 ºc   (3rd)
 RELATIVE HUMIDITY
 Average at 14.00h 49 %
 Lowest Reading 22 % (3rd)
 Monthly Average 65 %
 BAROMETER
 Monthly Mean 1020.0  hPa  
 Highest Reading 1030.8  hPa (2nd)
 Lowest Reading 1008.2  hPa (21st)
‡ SUNSHINE: 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, 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.
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 JUNE 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
 3.3 14.4 76 8.3 0.8 1027.2 rs 0.0 1.2 16 NNW
2nd
 10.0 17.6 73 10.7 0.2 1030.5 st 0.0 0.7 10 SSW
3rd
 7.2 24.5 23 0.4 9.0 1028.3 fs 0.0 0.9 12 NNW
4th
 8.1 23.1 38 7.2 6.7 1025.4 f 0.0 1.0 16 SSW
5th
 12.9 19.9 54 8.9 5.8 1025.5 rs 0.0 0.9 12 NNW
6th
 8.3 20.6 40 5.0 9.0 1029.3 st 0.0 0.7 13 ESE
7th
 8.2 25.0 51 12.3 6.5 1026.3 f 0.0 0.8 12 SSW
8th
 10.5 26.7 42 11.0 8.7 1026.1 fs 0.0 0.7 11 ESE
9th
 11.1 27.2 29 6.9 8.8 1021.7 f 0.0 1.0 17 ESE
10th
 11.8 29.0 35 11.2 8.8 1018.1 fs 0.0 1.3 17 ESE
11th
 14.7 28.2 47 14.7 7.8 1020.5 st 0.0 0.6 12 SSW
12th
 14.9 30.5 40 14.4 8.3 1018.9 st 0.0 0.9 12 SE
13th
 17.2 26.3 59 17.3 3.3 1019.5 fs 8.1 0.3 8 NNW
14th
 13.9 15.4 79 11.1 0.3 1020.9 st 2.3 0.3 9 N
15th
 11.4 20.6 47 7.1 5.8 1020.9 st 0.5 1.2 11 N
16th
 9.3 24.2 45 9.3 6.3 1018.6 fs 0.0 1.0 11 SSW
17th
 11.1 26.3 49 13.1 4.2 1018.6 fs 0.0 0.5 12 SE
18th
 11.7 26.4 45 12.7 5.7 1011.8 f 0.0 1.5 14 SSW
19th
 13.7 20.0 63 11.0 2.7 1011.0 st 0.0 3.9 21 SSW
20th
 14.3 21.2 48 9.2 4.2 1013.4 fs 0.0 4.3 25 SSW
21st
 12.4 19.2 53 8.7 5.3 1009.1 st 0.0 4.8 20 SSW
22nd
 10.1 19.9 43 5.5 4.8 1012.4 st 0.0 3.1 20 SSW
23rd
 8.3 21.6 43 7.0 6.3 1017.6 fs 0.0 1.0 12 SSW
24th
 11.4 24.2 46 10.8 7.3 1014.2 fs 0.3 0.9 13 SSW
25th
 11.9 22.6 52 11.9 0.3 1012.4 st 0.0 0.4 8 N
26th
 12.4 14.1 84 11.1 0.0 1016.4 rs 7.6 0.7 10 N
27th
 11.6 19.1 58 9.7 2.2 1020.2 st 0.0 0.3 7 ESE
28th
 9.4 23.4 41 8.0 8.5 1020.6 st 0.0 0.8 16 ESE
29th
 10.3 26.0 43 10.9 6.7 1021.7 fs 0.0 0.7 10 SE
30th
 10.4 28.2 35 10.0 9.0 1023.4 st 0.0 0.6 10 ESE
                     
‡ 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, 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
'WIND ROSE' PLOT FOR THE MONTH
Wind Rose June 2006
 The 'petals' represent wind direction and the length represents frequency, i.e. in this case winds from the SSW were the most common, followed by the ESE then SE and NNW.

The colours represent the strength of the wind, with black being weakest through blue then lighter colours (cyan, light green, yellow, magenta, red) being stronger.

This data excludes 'calm' readings.