Epping Weather Station

Summary for Year 2011

Temperature °C
   Date or compared to 1981-2010 average
Mean Maximum
15.2
+1.2
Mean Minimum
7.7
+1.0
Overall Mean
11.5
+1.1
Highest Maximum
32.1
27th June
Lowest Maximum
0.7
28th January
Highest Minimum
18.0
27th June
Lowest Minimum
-2.2
19th December
Lowest Grass Min
-6.2
19th December
Wind mph
Mean wind speed
5.1mph
Strongest Gust
44mph
Date
7th Dec
Direction at 0900
N
NE
E
SE
S
SW
W
NW
CALM
No of mornings
37
27
47
21
67
66
88
9
3
Precipitation mm
 Date or compared to 1981-2010 average
Annual Total
527.5
78.4%
Wettest Day
20.6
3rd November
Rain Days (>0.2mm)
145
Wet Days (>1mm)
103
Sunshine hours
Annual Total
1694.88
% Average
102.25%
Days with no sun
57
Sunniest day
16.25
Date
3rd June
Number of days with
Air Frost
20
Ground Frost
45
Snow/sleet falling (0000-2400GMT)
7
>50% snow cover at 0900
1
Fog at 0900 (vis <1000m)
9
Thunder heard
9
Hail <5mm diameter
1
Hail > 5mm diameter
1

 
Miscellaneous Data
Mean Relative Humidity at 0900 (%)
83.1
Mean Air Pressure at 0900 (mb)
1015.8
Lowest Pressure
979.1mb
Date
16th December
Highest Pressure
1041.3mb
Date
23rd March
Hours of air frost
125.1
Mean soil temp °C (20cm depth)
10.9
Greatest snow depth (0900) 1cm
Date
16th December
Particular days/events

16th December The only day in 2011 with a full snow cover at 0900hrs

 

Year as a whole

The warmest year since recording began in Epping in 1979
7 of the warmest years in Epping have occurred in the last 10 years

 

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(amended January 2009)

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