Epping Weather Station

Monthly Summary: March 2005 (Daily Readings)

Temperature °C
   Date or compared to 1971-2000 average
Mean Maximum 10.6
+0.9
Mean Minimum 4.0
+1.0
Monthly Mean 7.3
+1.0
Highest Maximum 19.4
18th
Lowest Maximum 2.3
2nd
Highest Minimum 11.3
17th
Lowest Minimum -4.2
4th
Lowest Grass Min -7.8
4th
Wind mph
Mean wind speed
6.1
Strongest Gust
37
2nd
Dominant Direction
N
Direction at 0900
N
NE
E
SE
S
SW
W
NW
CALM
No of mornings
9
0
5
0
4
3
8
2
0
Precipitation mm
 Date or compared to 1971-2000 average
Monthly Total
32.4
68%
Wettest Day
9.3
29th
Rain Days (>0.2mm)
16
Wet Days (>1mm)
12
Sunshine hours
Monthly Total
93.5
% Average
87
Days with no sun
7
Sunniest day
19th
Hours
11.2
Number of days with
Air Frost
7
Ground Frost
11
Snow/sleet falling (0000-2400GMT)
6
>50% snow cover at 0900
3
Fog at 0900 (vis <1000m)
3
Thunder heard
0
Hail <5mm diameter
0
Hail > 5mm diameter
0

 
Miscellaneous Data
Mean Relative Humidity at 0900 (%)
87
Mean Air Pressure at 0900 (mb)
1015.6
Lowest Pressure (mb)
997.2
Date
2nd
Highest Pressure (mb)
1032.6
Date
9th
Hours of air frost
50.3
Mean soil temp °C (20cm depth)
5.9
Greatest snow depth (0900)
2
Date
4th
Particular days/events

On the 4th March a front moving south brought heavy snow for an hour or so giving a level cover of 2cm. Once the front had cleared southwards the sunny conditions and slightly higher temperatures (despite the northerly wind) led to a rapid thaw of the snow.

The middle of the month saw an early taste of summer with warm temperatures and prolonged spells of sunshine
17th Max 18.7°C and 10.3 hours of sunshine
18th Max 19.4°C and 9.6 hours of sunshine
19th Max 19.2°C and 11.2 hours of sunshine

Fog occurred on three mornings at 0900 on the 19th, 29th and 30th

 

 

 

Month as a whole

After a cold start the month ended up being warmer than the 1979-2000 long term average
The mean temperature for the weeks (AWS 15 minutes means) was as follows
Week 1.. 1.3°C
Week 2.. 4.8°C
Week 3.. 11.1°C
'Week' 4. 9.7°C
The change at mid month reflected a change from a northerly wind pattern to a more south-westerly one

 

 

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