Epping Weather Station

Monthly Summary: April 2003 (Daily Readings)

Temperature °C
   Date or compared to 1971-2000 average
Mean Maximum 15.5
+3.3
Mean Minimum 5.2
+1.1
Monthly Mean 10.4
+2.3
Highest Maximum 25.3
16th
Lowest Maximum 7.5
10th
Highest Minimum 9.9
15th
Lowest Minimum -2.3
9th
Lowest Grass Min -5.0
9th
Wind mph
Mean wind speed
4.9
Strongest Gust
31
Date
1st
Dominant Direction
E
Direction at 0900
N
NE
E
SE
S
SW
W
NW
CALM
No of mornings
3
2
14
0
1
0
8
1
1
Precipitation mm
 Date or compared to 1971-2000 average
Monthly Total
32.7
65%
Wettest Day
9.1
30th
Rain Days (>0.2mm)
11
Wet Days (>1mm)
6
Sunshine hours
Monthly Total
194.7
% Average
135
Days with no sun
0
Sunniest day
18th
Hours
13.45
Number of days with
Air Frost
5
Ground Frost
8
Snow/sleet falling (0000-2400GMT)
1
>50% snow cover at 0900
0
   
Fog at 0900 (vis <1000m)
1
Thunder heard
0
Hail <5mm diameter
2
Hail > 5mm diameter
0

 
Miscellaneous Data
Mean Relative Humidity at 0900 (%)
67
Mean Air Pressure at 0900 (mb)
1016.3
Lowest Pressure
994
Date
28th
Highest Pressure
1033
Date
5th
Hours of air frost
20.5
Mean soil temp °C (20cm depth)
9.3
Greatest snow depth (0900)
n/a
Date
  
Particular days/events
The maximum temperature of 25.3°C on the 16th was the highest for April in Epping since records began in 1979.
On the 15th and 16th we had very hazy skies and spectacular sunsets as a dust cloud from the Sahara Desert moved northwards across the British Isles.

 

Month as a whole

A warm, dry and sunny month
The average maximum temperature of 15.5°C was the highest since records began. The overall mean temperature for the month was the second warmest since records began. As with March 2003 much of this extra warmth was due to the high average maximum temperatures. The last 12 Aprils have all been warmer than the long term (1971-2000) average. We now have to go back to December 2001 to find any month which was colder than average.

 

 

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