Epping Weather Station

Summary for Year 2010

Temperature °C
   Date or compared to 1971-2000 average
Mean Maximum
13.2
-0.2
Mean Minimum
6.0
-0.4
Overall Mean
9.6
-0.3
Highest Maximum
30.5
9th July
Lowest Maximum
-1.4
17th December
Highest Minimum
18.6
21st August
Lowest Minimum
-7.1
20th December
Lowest Grass Min
-12.2
20th December
Wind mph
Mean wind speed
4.6
Strongest Gust
38
Date
26th Feb
Direction at 0900
N
NE
E
SE
S
SW
W
NW
CALM
No of mornings
77
44
38
15
51
44
72
20
4
Precipitation mm
 Date or compared to 1971-2000 average
Annual Total
629.1
96.0
Wettest Day
27.9
25th August
Rain Days (>0.2mm)
170
Wet Days (>1mm)
110
Sunshine hours
Annual Total
1558.47
% Average
101.76
Days with no sun
67
Sunniest day
16.09
Date
3rd June
Number of days with
Air Frost
73
Ground Frost
97
Snow/sleet falling (0000-2400GMT)
40
>50% snow cover at 0900
31
Fog at 0900 (vis <1000m)
16
Thunder heard
5
Hail <5mm diameter
5
Hail > 5mm diameter
1

 
Miscellaneous Data
Mean Relative Humidity at 0900 (%)
81.1
Mean Air Pressure at 0900 (mb)
1013.9
Lowest Pressure
966.6
Date
8th November
Highest Pressure
1041.7
Date
26th January
Hours of air frost
904.45
Mean soil temp °C (20cm depth)
9.8
Greatest snow depth (0900) 13
Date
19th December
Particular days/events

7th Jan 16cm snow @ 1700hrs
17th April, grey dust on cars windscreens and sunroofs - volcanic ash?
27th June, relative humidity 24% mid pm
November had 3 record breaking days
4th Nov, maximum temperature 17.3º, warmest on record
5th Nov, minimum temperature 14.2º, warmest on record
28th Nov, maximum temperature -0.1º, coldest on record and first November Ice Day
28th November, minimum temperature -5.5º, coldest on record

 

Year as a whole

Coldest year since 1996
Mean maximum temperature lowest since since 1991
Lowest amount of sunshine since 2004
73 air frosts, the most on record (since 1979)
31 days of snow cover, the most on record
40 days with snow falling, the 2nd highest number of days on record (after 1979)
904.5 hours of air frost, by far the highest on record (since 2001)
12 Ice Days, the second highest number on record after 15 in 1985
Only 5 days with thunder
Summer let down by a cool, wet and dull August

 

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(amended January 2009)

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