Epping Weather Station

Monthly Summary: August 2012(Daily Readings)

Temperature °C
  Date or compared to 1981-2010 average
Mean Maximum 22.4° +0.2degC
Mean Minimum 13.8° +0.8degC
Monthly Mean 18.1° +0.5degC
Highest Maximum 29.8° 18th
Lowest Maximum 16.6° 30th
Highest Minimum 19.1° 18th
Lowest Minimum 5.9° 31st
Lowest Grass Min 4.5° 31st
Wind mph
Mean wind speed
3.5
Strongest Gust
28
Date
30th
Dominant Direction
SSW
Direction at 0900
N
NE
E
SE
S
SW
W
NW
CALM
No of mornings
1
2
4
0
8
8
7
1
0
Precipitation mm
Date or compared to 1981-2010 average
Monthly Total
48.2
85.5%
Wettest Day
19.1
5th
Rain Days (>0.2mm)
15
Wet Days (>1mm)
13
Sunshine hours
Monthly Total
191.62
% Average
104.6%
Days with no sun
0
Sunniest day
13.14
Date
18th
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
4
Hail <5mm diameter
0
Hail > 5mm diameter
1

 

Miscellaneous Data
Mean Relative Humidity at 0900
82.3%
Mean Air Pressure at 0900
1014.2mb
Lowest Pressure 991.1mb
Date
25th
Highest Pressure 1029.0mb
Date
31st
Hours of air frost
0
Mean soil temp °C (20cm depth)
17.0
Greatest snow depth (0900)
n/a
Date
-
Particular days/events

Thunder on 5th,6th,19th and 25th
18th Tmax of 29.8° the highest for August since 2005
20th Pale brown dust noted at morning observation
31st Tmin of 5.9° the lowest for August on record here

 

Month as a whole

A big improvement on June and July 2012
One of the few Augusts in recent years to be warmer and drier than normal

 

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(amended January 2009)

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