Epping Weather Station

Monthly Summary: April 2006 (Daily Readings)

Temperature °C
   Date or compared to 1971-2000 average
Mean Maximum
13.3
+1.1
Mean Minimum
5.2
+1.1
Monthly Mean
9.3
+1.2
Highest Maximum
17.4
21st
Lowest Maximum
8.1
11th
Highest Minimum
9.7
20th
Lowest Minimum
-2.4
5th
Lowest Grass Min
-4.7
5th
Wind mph
Mean wind speed
5.4
Strongest Gust
38
2nd
Dominant Direction
N
Direction at 0900
N
NE
E
SE
S
SW
W
NW
CALM
No of mornings
7
0
3
1
1
4
13
1
0
Precipitation mm
 Date or compared to 1971-2000 average
Monthly Total
135.2
100
Wettest Day
20.4
9th
Rain Days (>0.2mm)
16
Wet Days (>1mm)
8
Sunshine hours
Monthly Total
135.2
% Average
90
Days with no sun
3
Sunniest day
12.57
Hours
5th
Number of days with
Air Frost
2
Ground Frost
7
Snow/sleet falling (0000-2400GMT)
2
>50% snow cover at 0900
0
Fog at 0900 (vis <1000m)
1
Thunder heard
1
Hail <5mm diameter
4
Hail > 5mm diameter
0

 
Miscellaneous Data
Mean Relative Humidity at 0900 (%)
77
Mean Air Pressure at 0900 (mb)
1015.1
Lowest Pressure (mb) 1002.1 Date
1st
Highest Pressure (mb) 1026.5 Date
27th
Hours of air frost
9.4
Mean soil temp °C (20cm depth)
9.1
Greatest snow depth (0900)
--
Date
--
Particular days/events

 

5th and 6th Relative humidity down to 38% both afternoons
5th Unbroken sunshine
9th Thunder, hail, heavy rain and wet snow from 1600-midnight. Total of 20.4mm precipitation making this the wettest April day since 24/4/94 and the third wettest on record

 

 

 

Month as a whole


Coolest April since 2001
Notable absence of higher maximum temperatures with 17.4 being the lowest since 1989

 

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