Epping Weather Station

Monthly Summary: May 2007(Daily Readings)

Temperature °C
  Date or compared to 1971-2000 average
Mean Maximum
17.3
+1.3
Mean Minimum
8.7
+1.3
Monthly Mean
13.0
+1.3
Highest Maximum
25.3
24th
Lowest Maximum
10.1
28th
Highest Minimum
13.8
24th
Lowest Minimum
4.3
15th
Lowest Grass Min
2.5
15th
Wind mph
Mean wind speed
5.3
Strongest Gust
36
8th
Dominant Direction
SW
 
N
NE
E
SE
S
SW
W
NW
CALM
No of mornings
5
5
5
1
2
4
6
3
0
Precipitation mm
Date or compared to 1971-2000 average
Monthly Total
117.7
236%
Wettest Day
40.1
27th
Rain Days (>0.2mm)
17
Wet Days (>1mm)
17
Sunshine hours
Monthly Total
161.7
% Average
83
Days with no sun
3
Sunniest day
15.44
Hours
23rd
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
1
Hail > 5mm diameter
0

 

Miscellaneous Data
Mean Relative Humidity at 0900 (%) 80
Mean Air Pressure at 0900 (mb) 1011.7
Lowest Pressure (mb) 993.9 Date 11th
Highest Pressure (mb) 1024.3 Date 23rd
Hours of air frost
0
Mean soil temp °C (20cm depth)
13.5
Greatest snow depth (0900)
--
Date
--
Particular days/events

 

27th 40.1mm of rain (0900 27May to 0900 28May). Wettest May day on record and fourth wettest any day on record here.
Rainfall event total 47.7mm from 0600 on 27th to 2250 on 28th. Daytime maximum temperature only 7.4deg on the 28th

 

 

Month as a whole

Wettest May since 1983 and third wettest on record
Last 11 Mays have all been warmer than long term average

 

 

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