Epping Weather Station

Monthly Summary: April 2011(Daily Readings)

Temperature °C
   Date or compared to 1981-2010 average
Mean Maximum
18.9
+5.5
Mean Minimum
7.5
+2.8
Monthly Mean
13.2
+4.2
Highest Maximum
26.2
19th, 22nd
Lowest Maximum
12.1
13th
Highest Minimum
11.2
1st
Lowest Minimum
3.9
13th
Lowest Grass Min
1.4
13th
Wind mph
Mean wind speed
4.7
Strongest Gust
29
4th
Dominant Direction
N
Direction at 0900
N
NE
E
SE
S
SW
W
NW
CALM
No of mornings
7
1
6
3
6
2
4
1
0
Precipitation mm
 Date or compared to 1971-2000 average
Monthly Total
2.1
4.2%
Wettest Day
1.4
4th
Rain Days (>0.2mm)
2
Wet Days (>1mm)
1
Days with no rain
26
Sunshine hours
Monthly Total
241.50
% Average
161.0
Days with no sun
3
Sunniest day
13.97
Hours
19th
Number of days with
Air Frost
0
Ground Frost
0
Snow/sleet falling (0000-2400GMT)
0
>50% snow cover at 0900
0
Fog at 0900 (vis <1000m)
0
Thunder heard
1
Hail <5mm diameter
0
Hail > 5mm diameter
0

 
Miscellaneous Data
Mean Relative Humidity at 0900 (%) 75.4
Mean Air Pressure at 0900 (mb) 1019.5
Lowest Pressure (mb) 1007.0
Date
 22nd
Highest Pressure (mb) 1029.5
Date
 12th
Hours of air frost
0
Mean soil temp °C (20cm depth)
11.7
Greatest snow depth (0900)
n/a
Date
n/a
Particular days/events

19th and 22nd Maximum temperature of 26.2º, a record for April in Epping
23rd Thunder heard to West 1630-1730GMT
29th Light brown dust on cars following showers early am

 

 

Month as a whole

Dry, sunny and very warm
Warmest April on record
Second driest April on record (after 2007)
Second sunniest (after 2007) in sunshine record starting in 2007

 

 

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(amended January 2009)

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