Epping Weather Station

Monthly Summary: May 2008(Daily Readings)

Temperature °C
   Date or compared to 1971-2000 average
Mean Maximum
18.5
+2.5
Mean Minimum
9.1
+1.7
Monthly Mean
13.8
+2.1
Highest Maximum
25.3
10th
Lowest Maximum
11.6
16th
Highest Minimum
13.1
10th
Lowest Minimum
3.1
19th, 20th
Lowest Grass Min
1.1
19th
Wind mph
Mean wind speed
5.1
Strongest Gust
34
26th
Dominant Direction
NE
 
N
NE
E
SE
S
SW
W
NW
CALM
No of mornings
3
11
11
2
0
2
1
1
0
Precipitation mm
 Date or compared to 1971-2000 average
Monthly Total
79.5
159.3%
Wettest Day
21.4
26th
Rain Days (>0.2mm)
10
Wet Days (>1mm)
8
Sunshine hours
Monthly Total
297.71
% Average
107.1
Days with no sun
5
Sunniest day
14.91
Hours
11th
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
4
Hail <5mm diameter
0
Hail > 5mm diameter
1

 
Miscellaneous Data
Mean Relative Humidity at 0900 (%) 78
Mean Air Pressure at 0900 (mb) 1015.0
Lowest Pressure (mb) 997.6 Date 1st
Highest Pressure (mb) 1025.6 Date 5th
Hours of air frost
0
Mean soil temp °C (20cm depth)
14.3
Greatest snow depth (0900)
--
Date
--
Particular days/events

Thunder on 1st, 3rd 14th and 28th
Dustfall on 3rd and 4th
85% monthly rain between 23rd and 29th
22/31 0900 readings with wind direction NE/E/SE

 

 

Month as a whole

3rd warmest May on record
8th wettest May
Equal highest mean Tmin (with 1999)

 

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The data on this website may be freely used for personal and/or academic purposes only - please acknowledge source (added January 2008)

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