Epping Weather Station

Monthly Summary: May 2003 (Daily Readings)

Temperature °C
   Date or compared to 1971-2000 average
Mean Maximum 18.4
+2.4
Mean Minimum 8.4
+1.0
Monthly Mean 13.4
+1.7
Highest Maximum 26.6
31st
Lowest Maximum 13.4
16th
Highest Minimum 13.9
31st
Lowest Minimum 3.8
15th
Lowest Grass Min 0.8
15th
Wind mph
Mean wind speed
4.2
Strongest Gust
33.0
Date
2nd
Dominant Direction
W
Direction at 0900
N
NE
E
SE
S
SW
W
NW
CALM
No of mornings
4
0
5
1
0
0
17
4
0
Precipitation mm
 Date or compared to 1971-2000 average
Monthly Total 43.3
86.8%
Wettest Day 6.6
19th
Rain Days (>0.2mm)
15
Wet Days (>1mm)
11
Sunshine hours
Monthly Total 188.31
% Average
 97.1
Days with no sun 1
Sunniest day 28th
Hours
 14.49
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
3
Hail <5mm diameter
0
Hail > 5mm diameter
1

 
Miscellaneous Data
Mean Relative Humidity at 0900 (%) 70
Mean Air Pressure at 0900 (mb) 1015.2
Lowest Pressure 998
Date
 2nd
Highest Pressure 1026
Date
 7th,27th,28th
Hours of air frost
0
Mean soil temp °C (20cm depth)
13.4
Greatest snow depth (0900)
n/a
Date
  
Particular days/events
The maximum temperature of 26.6°C on the 31st was the highest for May since 1997

 

Month as a whole

Every May since 1996 has been warmer than the long term average. May 2003 was the least sunny of the three Spring months (March,April, May) this year. The warmer than average trend continues with every month last year and this year (so far) being warmer than the 1971-2000 average.

 

 

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