Epping Weather Station

Monthly Summary: June 2009(Daily Readings)

Temperature °C
   Date or compared to 1971-2000 average
Mean Maximum
20.8
+2.0
Mean Minimum
10.5
+0.3
Monthly Mean
15.6
+1.1
Highest Maximum
28.3
29th
Lowest Maximum
10.7
5th
Highest Minimum
15.2
27th
Lowest Minimum
5.2
4th
Lowest Grass Min
2.8
4th
Wind mph
Mean wind speed
3.8
Strongest Gust
28
17th
Dominant Direction
NE
Direction at 0900
N
NE
E
SE
S
SW
W
NW
CALM
No of mornings
5
6
9
0
2
0
5
3
0
Precipitation mm
 Date or compared to 1971-2000 average
Monthly Total 46.5
71.5%
Wettest Day 21.1
6th
Rain Days (>0.2mm)
13
Wet Days (>1mm)
8
Sunshine hours
Monthly Total
210.8
% Average
110.9%
Days with no sun
2
Sunniest day
16.19
Hours
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
5
Hail <5mm diameter
0
Hail > 5mm diameter
0

 
Miscellaneous Data
Mean Relative Humidity at 0900 (%) 72.4
Mean Air Pressure at 0900 (mb) 1017.8
Lowest Pressure (mb) 998.7
Date
 7th
Highest Pressure (mb) 1029.7
Date
 23rd
Hours of air frost
0
Mean soil temp °C (20cm depth)
16.5
Greatest snow depth (0900)
--
Date
--
Particular days/events

Thunder on 7th,10th,15th,26th and 27th
Dustfall (pale brown) on 26th
On the 5th the Tmax of 10.7º was the lowest for June since 1987
Cool and wet on the 7th

 

Month as a whole

1st week cool and wet then much warmer and drier
The last 12 Junes have all been warmer than the long term average (1971-2000)
9 out of the last 10 Junes have been drier than LTA

 

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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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