Epping Weather Station

Monthly Summary: July 2009 (Daily Readings)

Temperature °C
   Date or compared to 1971-2000 average
Mean Maximum
21.9
+0.3
Mean Minimum
13.0
+0.5
Monthly Mean
17.4
+0.3
Highest Maximum
27.7
2nd
Lowest Maximum
18.5
9th
Highest Minimum
16.7
3rd
Lowest Minimum
9.5
10th
Lowest Grass Min
8.3
9th,10th,31st
Wind mph
Mean wind speed
5.1
Strongest Gust
32
Date
18th
Dominant Direction
SW
Direction at 0900
N
NE
E
SE
S
SW
W
NW
CALM
No of mornings
0
0
3
0
3
11
14
0
0
Precipitation mm
 Date or compared to 1971-2000 average
Monthly Total
63.3
132.2%
Wettest Day
14.6
7th
Rain Days (>0.2mm)
16
Wet Days (>1mm)
12
Sunshine hours
Monthly Total
211.36
% Average
105.2
Days with no sun
0
Sunniest day
15.68
Date
2nd
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
0

 
Miscellaneous Data
Mean Relative Humidity at 0900 (%)
73.3
Mean Air Pressure at 0900 (mb)
1012.4
Lowest Pressure 1000.8 Date
23rd
Highest Pressure 1023.9 Date
1st
Hours of air frost
0
Mean soil temp °C (20cm depth)
17.4
Greatest snow depth (0900)
n/a
Date
  
Particular days/events
Thunder on 3rd,7th,16th,24th
17th Cold front with heavy showers and temperature drop from 19.1ºC to 13.4ºC between 1620 and 1750z

 

Month as a whole

3rd wettest July in last 10 years
2nd lowest mean Tmax in last 10 years
3rd suuniest July in last 8 years

 

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The data on this website may be freely used for personal and/or academic purposes only - please acknowledge source in publication
(amended January 2009)

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