Epping Weather Station

Monthly Summary: July 2004 (Daily Readings)

Temperature °C
   Date or compared to 1971-2000 average
Mean Maximum
22.3
+0.7
Mean Minimum
12.5
0.0
Monthly Mean
17.4
+0.3
Highest Maximum
28.0
29th
Lowest Maximum
17.6
12th
Highest Minimum
16.6
16th
Lowest Minimum
8.6
6th & 10th
Lowest Grass Min
6.4
10th
Wind mph
Mean wind speed
3.4
Strongest Gust
40.0
Date
7th
Dominant Direction
W
Direction at 0900
N
NE
E
SE
S
SW
W
NW
CALM
No of mornings
4
0
3
2
0
0
14
7
1
Precipitation mm
 Date or compared to 1971-2000 average
Monthly Total 60.2
126%
Wettest Day 21.6
7th
Rain Days (>0.2mm)
14
Wet Days (>1mm)
10
Sunshine hours
Monthly Total
179.0
% Average
94
Days with no sun
0
Sunniest day
14.44
Date
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
7
Hail <5mm diameter
0
Hail > 5mm diameter
0

 
Miscellaneous Data
Mean Relative Humidity at 0900 (%)
75
Mean Air Pressure at 0900 (mb)
1015.7
Lowest Pressure
1004.3
 Date
8th
Highest Pressure
1026.4
 Date
24th
Hours of air frost
0
Mean soil temp °C (20cm depth)
18.0
Greatest snow depth (0900)
n/a
Date
  
Particular days/events
PM on the 7th was quite unseasonable with heavy rain and easterly winds gusting to 40mph. A weather front moved northwards across the area associated with a deep low pressure system moving from west to east along the English Channel.

 

Month as a whole

A cooler than average month (-0.5°) in the 1994-2003 context but slightly warmer than average (+0.3°) compared to the longer term average 1971-2000.
Thunder on the 1st, 2nd, 7th, 8th, 10th, 17th and 22nd (UKMO average for this area is 3 days of thunder in July)

 

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