Epping Weather Station

Monthly Summary: July 2012(Daily Readings)

Temperature °C
   Date or compared to 1981-2010 average
Mean Maximum
20.7
-1.7
Mean Minimum
12.4
-0.6
Monthly Mean
16.5
-1.2
Highest Maximum
30.2
25th
Lowest Maximum
15.0
14th
Highest Minimum
15.3
4th
Lowest Minimum
9.1
12th
Lowest Grass Min
6.8
21st
Wind mph
Mean wind speed
3.8
Strongest Gust
27
11th
Dominant Direction
SSW
Direction at 0900
N
NE
E
SE
S
SW
W
NW
CALM
No of mornings
5
1
3
0
7
4
8
3
0
Precipitation mm
 Date or compared to 1981-2010 average
Monthly Total
131.5
246.7%
Wettest Day
29.5
7th
Rain Days (>0.2mm)
22
Wet Days (>1mm)
19
Sunshine hours
Monthly Total
171.87
% Average
82.4
Days with no sun
2
Sunniest day
15.49
Hours
23rd
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
6
Hail <5mm diameter
0
Hail > 5mm diameter
1

 
Miscellaneous Data
Mean Relative Humidity at 0900 (%) 82.6
Mean Air Pressure at 0900 (mb) 1013.3
Lowest Pressure (mb) 991.1
Date
 13th,14th
Highest Pressure (mb) 1027.2
Date
 22nd
Hours of air frost
0
Mean soil temp °C (20cm depth)
16.0
Greatest snow depth (0900)
--
Date
--
Particular days/events

7th 29.5mm rain. The wettest July day since 2001 and the third wettest on record (since 1979)
15th Maximum temperature only 15.0º. Equal coldest July day since 14.0º in July 1988
22nd to 26th Almost unbroken sunshine . A total of 73.71 hours or 43% of total sunshine recorded for month

 

Month as a whole

Wettest July since 1987 and second wettest on record
The warm and sunny spell in the third week rescued a month that was destined to be one of the coolest and dullest Julys on record
Total rainfall so far this year is 554.4mm which is 153% of the normal rainfall for this period. It is also greater than the total rainfall for the whole of 2011

 

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(amended January 2009)

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