Epping Weather Station

Monthly Summary: January 2013 (Daily Readings)

 

Temperature °C
   Date or compared to 1981-2010 average
Mean Maximum 5.1 -1.6
Mean Minimum 1.1 -0.8
Monthly Mean 3.1 -1.2
Highest Maximum 12.8 29th
Lowest Maximum -1.6 16th
Highest Minimum 8.4 4th
Lowest Minimum -6.1 17th
Lowest Grass Min -11.0 22nd
Wind mph
Mean wind speed
5.5
Strongest Gust
41
Date
31st
Dominant Direction
WSW
Direction at 0900
N
NE
E
SE
S
SW
W
NW
CALM
No of mornings 4 5 4 1 5 4 8 0 0
Precipitation mm
 Date or compared to 1981-2010average
Monthly Total 52.4 84.5%
Wettest Day (09-09) 7.4 29th
Rain Days (>0.2mm) 14
Wet Days (>1mm) 12
Sunshine hours
Monthly Total
45.41
% Average
70.5
Days with no sun
16
Sunniest day
6.10
Date
1st
Number of days with
Air Frost 15
Ground Frost 20
Snow/sleet falling (0000-2400GMT) 9
>50% snow cover at 0900 13
Fog at 0900 (vis <1000m) 5
Thunder heard 0
Hail <5mm diameter 0
Hail > 5mm diameter 0

 
Miscellaneous Data
Mean Relative Humidity at 0900 (%) 93.5
Mean Air Pressure at 0900 (mb) 1012.9
Lowest Pressure 990.4
Date
 21st
Highest Pressure 1036.8
Date
 4th
Hours of air frost
216.4
Mean soil temp °C (20cm depth)
4.1
Greatest snow depth (0900)
16cm
Date
21st
Particular days/events

16th Ice day, lowest maximum temperature for January since 1997
18th,19th,20th consecutive ice days
21st 16cm of level snow at 0900, the greatest depth for January since 1982
29th Highest maximum temperature for January since 2008

Snowfall dates and times

14th am and 1400-1600
15th am
18th throughout day
19th am
20th throughout day
23rd am
24th am
25th late pm
26th am

 

Month as a whole

Lowest mean maximum temperature since 2010 and seventh coldest on record (1979)
Dullest since 2011 and second dullest in sunshine record (2002)
More than 50% snow cover at 0900 from the 14th to the 26th. The longest such period for January since 1985

 

Epping Weather Site January 2012 summary

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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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