Page updated May 10, 2012 13:59
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Data on this website may be freely used for personal and/or academic purposes only -but please do acknowledge Epping Weather Site as source
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Epping Weather Site
April 2012 (Means and totals to date are at foot of table) Monthly Summary
 
  0900 hours readings
 Daily  Readings (See notes at foot of page)
Weather in previous 24h (to 0900 on date)Blue >50% snow cover @09
Date
Date
Pressure
(mb)
Temperature
(°C)
Relative
Humidity
(%)
Wind
Speed
(mph)
Wind
Direction
Soil Temp
at 20cm
(°C)
Snow
Depth
(cm)
1Maximum
Temperature
(°C)
2Minimum
Temperature
(°C)
3Rainfall
(mm)
4GrassMin
Temp (°C)
5Sunshine
(Hours)
6Max
Wind Speed
(mph)
1
1022.0
5.7
81
3
N
7.0
-
13.7
-0.4
0.0
-2.2
11.80
11
 Mainly cloudy 31st March with much cooler northerly winds. Frost overnight 31st/1st 
1
2
1011.8
7.8
83
1
WSW
7.0
-
14.6
3.3
0.0
0.6
9.40
13
 Prolonged sunshine 1st 
2
3
1003.1
8.7
84
4
WSW
9.0
-
12.6
3.9
9.7
0.6
0.57
18
 Prolonged sunshine 2nd
3
4
1005.0
6.3
95
1
SE
8.0
-
10.2
3.1
0.3
0.4
4.94
17
 Showers, heavy at times, 1430z  3rd to early am 4th. Large hail 1530z 3rd, thunder 1738Z 3rd
4
5
1018.9
5.9
86
11
NE
8.0
-
8.2
5.2
0.0
4.2
1.38
21
 Sunny intervals 4th. Light showers at times pm 4th/am 5th 
5
6
1016.8
4.5
81
4
WNW
7.0
-
11.9
-3.0
0.1
-5.0
7.24
18
 Clear overnight 5th/6th with hard frost. Coldest April night since 1996 
6
7
1011.4
7.5
88
6
NE
8.0
-
9.6
4.5
0.3
6.3
0.10
17
 Sunny periods 6th, a few light showers late pm 6th 
7
8
1012.6
7.5
96
4
SW
7.5
-
12.1
3.5
2.8
-0.3
0.03
17
 Mainly cloudy 7th, clearer skies late pm 7th then light rain am 8th
8
9
998.1
8.3
96
10
SSW
8.5
-
10.6
7.4
2.3
7.0
0.00
24
 Cloudy 8th, rain am 9th 
9
10
989.2
8.6
73
10
SW
8.0
-
13.2
5.0
0.1
3.8
7.66
26
 Light rain 9th
10
11
996.0
8.3
80
2
SW
7.0
-
14.8
3.4
2.5
1.4
7.27
22
 Sunny periods 10th. Light shower mid afternoon 10th (Heavy showers in vicinity 10th) 
11
12
1002.4
7.6
89
2
W
7.5
-
13.3
3.1
5.1
-0.2
4.89
21
 Sunny periods 11th. Thunderstorm+large hail 1700-1800Z 11th
12
13
1005.4
4.9
97
4
NNW
7.5
-
13.5
3.6
0.1
0.5
3.78
12
 Thunder late am 12th. Thunderstorm 1715-1745 with large hail 12th. Fog overnight 12th/13th 
13
14
1007.2
7.4
84
7
NNE
7.5
-
11.7
2.8
0.0
0.5
8.19
21
 Sunny intervals 13th
14
15
1018.6
5.8
75
11
N
7.5
-
9.2
1.2
0.1
-0.1
9.75
32
 Sunny periods 14th 
15
16
1025.8
6.7
65
2
N
6.0
-
11.8
-1.0
1.5
-3.4
7.92
13
 Sunny periods 15th. Thunder and large hail 1630Z 15th. Clear and frosty overnight 15th/16th
16
17
999.0
5.9
93
8
S
7.0
-
14.2
3.5
3.8
2.3
4.09
36
 Sunny periods 16th. Light rain 0630Z-0900Z 17th
17
18
981.0
6.2
93
6
SE
7.0
-
10.1
4.0
2.0
2.3
0.30
21
 Sunshine and showers, with hail, 17th. Rain am 18th 
18
19
982.3
7.2
97
5
WSW
7.5
-
10.2
5.8
12.3
5.6
1.25
19
 Dull with rain 18th. Centre of low pressure (976.8mb) moved across area @ 1830Z 18th.
19
20
992.5
9.4
91
3
W
7.5
-
12.7
4.2
5.1
1.5
7.20
19
 Heavy showers with large hail and thunder (pm)19th. Clear overnight 19th/20th 
20
21
995.2
7.4
84
6
WSW
7.5
-
14.3
2.7
0.5
0.8
7.21
26
 Heavy showers with large hail and thunder early pm and early evening 20th. Clear overnight 20/21 
21
22
1002.1
9.7
77
7
SW
8.0
-
13.8
3.0
0.0
2.5
8.22
29
 Sunny periods and occasional showers 21st
22
23
995.4
9.7
71
4
SSE
8.0
-
10.6
6.2
8.2
4.5
2.41
22
Sunny periods 22nd
23
24
996.2
6.2
96
8
NNW
8.0
-
12.3
5.7
4.5
5.0
2.61
23
Rain pm 23rd and am 24th
24
25
987.2
5.9
96
10
SE
8.0
-
10.6
4.9
18.7
1.0
0.40
27
A few sunny intervals 24th, occ showers
25
26
992.5
9.3
92
8
SSW
8.5
-
13.7
5.9
1.6
6.5
3.82
35
Rain 25th pm, heavy rain  1300-1530Z 25th. Rain am 26th
26
27
1009.1
9.8
91
6
SW
8.5
-
13.6
8.5
6.1
7.5
4.37
21
Sunny intervals pm 26th
27
28
1014.8
8.2
98
7
NNE
9.0
-
8.4
7.4
25.6
7.0
0.00
31
Heavy showers 0900-1000Z 27th. Rain am 28th
28
29
1002.9
6.7
99
17
NE
7.5
-
13.7
4.9
5.1
4.9
1.57
36
Rain, heavy at times, 28th/29th. Wettest April day since 29th April 1993
29
30
1013.8
13.9
68
7
SE
9.0
-
17.4
6.7
20.1
4.3
11.49
22
Rain clearing early pm 29th. Clear overnight 29th/30th 
30
                           
Total/
Mean
            
12.2ºC
4.0ºC
138.5mm
139.86hrs
  
*Ice Day is Tmax <0.0º 0900-0900 
Date
Anomaly
              
-1.2degC
-0.7degC
279.8%
75.7%
  
 
Pressure
(mb)
 Temperature
(°C)
Relative
Humidity
(%)
Wind
Speed (mph)
Wind
Direction
Soil Temp
at 20cm
(°C)
Snow
Depth
(cm)
1Maximum
Temperature (°C)
2Minimum
Temperature
(°C)
3Rainfall
(mm)
4GrassMin'm
Temperature
(°C)
5Sunshine
(Hours)
6Maximum
Wind Speed
(mph)
 
  0900 hours readings
Daily Readings (see notes below)  
    

 

Notes
1. For the 24 hours from 0900UTC* on the date to 0900UTC* on the following day. (The maximum temperature is generally in the afternoon*)
2. For the 24 hours ending at 0900UTC* on the date. (The minimum temperature is generally just after sunrise*)
*Where a maximum is overnight or minimum is during the day the figure is shown in italics. This often occurs in winter
3. For the 24 hours from 0900UTC* on the date to 0900UTC* on following day
4. For the period from sunset on previous day to 0900UTC* on the date
5.For the period sunrise to sunset on the date
6. For the period 0000UTC*-2400UTC* on the date i.e the Calendar Day
* UTC is Universal Time Coordinated. It has been adopted by the UK Met.Office in place of Greenwich Mean Time (GMT). When British Summer Time is in force UTC is BST minus one hour ,e.g.1000BST=0900UTC

 

 

 

 

 


 

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