Epping Weather Station

Monthly Summary: August 2005 (Daily Readings)

Temperature °C
   Date or compared to 1971-2000 average
Mean Maximum
22.2
+0.3
Mean Minimum
11.9
-0.7
Monthly Mean
17.1
-0.3
Highest Maximum
30.2
31st
Lowest Maximum
15.1
19th
Highest Minimum
15.9
31st
Lowest Minimum
8.8
8th
Lowest Grass Min
6.1
8th
Wind mph
Mean wind speed
5.0
Strongest Gust
31
Date
25th
Dominant Direction
N
Direction at 0900
N
NE
E
SE
S
SW
W
NW
CALM
No of mornings
8
0
2
3
1
3
11
3
0
Precipitation mm
 Date or compared to 1971-2000 average
Monthly Total
54.6
107%
Wettest Day
11.5
19th
Rain Days (>0.2mm)
15
Wet Days (>1mm)
10
Sunshine hours
Monthly Total
217.5
% Average
109
Days with no sun
1
Sunniest day
13.74
Date
8th
Number of days with
Air Frost
0
Ground Frost
0
Snow/sleet falling (0000-2400GMT)
0
>50% snow cover at 0900
0
 
Fog at 0900 (vis <1000m)
0
Thunder heard
5
Hail <5mm diameter
1
Hail > 5mm diameter
0

 
Miscellaneous Data
Mean Relative Humidity at 0900
79%
Mean Air Pressure at 0900
1018.1mb
Lowest Pressure
1001.7mb
Date
25th
Highest Pressure
1025.9mb
Date
4th
Hours of air frost
0
Mean soil temp °C (20cm depth)
16.7
Greatest snow depth (0900)
n/a
Date
Particular days/events

25th

At 1550Z an active trough crossed with wind gusting to 31mph, 1.8mm of rain in 10minutes, temperature fell from 17.3° to 11.7° accompanied by hail and thunder

 

 

Month as a whole
Sunniest month of Summer 2005 with 10 days >10 hours of sunshine of which 5 had unbroken sunshine.
Lowest mean minimum temperature for August since 1993 and the coolest August since 1999

 

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