Epping Weather Station

Monthly Summary: December 2003 (Daily Readings)

Temperature °C
   Date or compared to 1971-2000 average
Mean Maximum 7.4
+0.3
Mean Minimum 2.7
0.0
Monthly Mean 5.1
+0.2
Highest Maximum 13.0
12th (0420 on 13th)
Lowest Maximum 2.5
29th
Highest Minimum 8.6
25th
Lowest Minimum -2.4
8th
Lowest Grass Min -4.4
8th
Wind mph
Mean wind speed
4.8
Strongest Gust
41
Date
20th
Dominant Direction
ENE
Direction at 0900
N
NE
E
SE
S
SW
W
NW
CALM
No of mornings 7 1 5 4 4 1 5 2
2
Precipitation mm
 Date or compared to 1971-2000 average
Monthly Total 57.4
100%
Wettest Day 8.8
31st
Rain Days (>0.2mm)
17
Wet Days (>1mm)
9
Sunshine hours
Monthly Total
64.7
% Average
141
Days with no sun
14
Sunniest day
6.91
Date
17
Number of days with
Air Frost
6
Ground Frost
13
Snow/sleet falling (0000-2400GMT)
1
>50% snow cover at 0900
0
Fog at 0900 (vis <1000m)
3
Thunder heard
0
Hail <5mm diameter
0
Hail > 5mm diameter
0

 
Miscellaneous Data
Mean Relative Humidity at 0900 (%)
93
Mean Air Pressure at 0900 (mb)
1016.7
Lowest Pressure 988.2 Date
28th
Highest Pressure 1031.5 Date
7th
Hours of air frost
35.4
Mean soil temp °C (20cm depth)
5.5
Greatest snow depth (0900)
n/a
Date
  
Particular days/events

6 days with prolonged sunshine including the two consecutive days 17th and 18th.
The highest temperature for the month, 13.0°C, occurred at 0420 in the morning of the 13th.

 

 

Month as a whole
A very 'average' month for temperature and rainfall with these being the closest to the average for any December since 1979.
Sunshine well above average

 

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