Page updated January 1, 2013 10:49
Link to November 2012 Link to January 2013

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
December 2012 (Means and totals to date are at foot of table)
 
  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
1012.9
-0.9
96
0
SSW
2.5
-
3.9
-2.2
0.2
-5.3
0.05
18
 Sunny periods 30th November. Frost overnight 30th/1st
1
2
1015.7
-2.5
91
2
W
2.0
-
7.5
-2.8
3.8
-7.0
6.63
14
 Cloudy 1st. Clear overnight 1st/2nd with frost 
2
3
1005.0
7.4
100
5
WSW
2.5
-
9.1
-2.5
1.3
-4.9
0.76
27
 Prolonged sunshine 2nd with evening frost. Much milder with rain am 3rd 
3
4
1001.9
2.4
93
7
W
3.5
-
6.9
1.0
3.8
-1.5
3.91
26
 Showers am 3rd. Brighter pm 3rd with clear spells overnight 3rd/4th 
4
5
1005.8
0.3
96
4
N
3.0
3.0
1.7
-0.8
0.0
-5.1
2.75
18
 Sunny intervals 4th. Heavy snow am  5th 0700-0800Z
5
6
1017.0
-2.9
92
1
SSW
2.0
2.5
4.3
-3.7
4.8
-8.0
0.47
25
 Sunny intervals 5th. Clear and frosty overnight 5th/ 6th
6
7
996.1
2.1
94
13
WNW
2.5
-
5.3
-2.9
1.5
-1.5
1.76
37
 Rain pm 6th and overnight 6th/7th. Wintry showers am 7th 
7
8
1023.0
1.8
92
3
NW
3.0
-
6.3
1.4
0.3
-0.8
4.03
16
 Snow showers and gusty winds am 7th. Sunny intervals pm 7th. Misty am 8th 
8
9
1017.6
6.3
92
10
WSW
3.5
-
8.3
1.6
0.0
-1.6
1.01
29
 Sunny intervals 8th. Light rain early am 9th. Turning milder 8th/9th 
9
10
1019.6
1.3
90
8
NW
3.0
-
4.2
1.1
0.0
-0.9
2.43
23
 A few sunny intevals 9th. Clear spells am 10th 
10
11
1029.3
-1.8
93
1
N
2.5
-
-0.2
-2.3
0.0
-6.1
0.01
9
 Sunny intervals 10th. Frost and fog am 11th 
11
12
1021.3
-5.4
94
0
Calm
1.5
-
0.1
-5.9
0.0
-8.6
3.05
8
 Persistent thick fog 11th. Ice Day 11th. Fog clearing am 12th
12
13
1005.6
-3.5
94
3
S
1.0
-
4.8
-3.6
0.0
-6.4
2.24
13
 Sunny intervals 12th. Clear overnight 12th/13th 
13
14
987.1
4.8
100
8
ESE
1.0
-
8.8
-3.5
8.8
-1.8
0.00
37
 Continuous frost 13th. Milder am 14th with advection fog
14
15
990.4
7.4
91
8
SSW
2.0
-
10.2
4.8
0.0
5.0
1.99
23
  Rain 14th, windy pm 14th. Milder
15
16
1000.0
5.8
96
7
SW
2.5
-
8.9
4.9
0.3
2.2
4.71
21
  Much milder on 15th. Sunny intervals am 15th
16
17
999.5
5.2
95
5
SW
3.0
-
8.1
5.1
0.0
3.2
5.64
23
  Sunny intervals 16th
17
18
1012.4
5.4
92
5
NNW
3.5
-
6.9
4.3
0.0
2.3
0.57
17
  Sunny intervals 17th
18
19
1018.0
4.3
98
5
SE
4.0
-
6.1
2.3
21.8
-1.0
0.00
24
  Mainly cloudy 18th
19
20
1002.4
6.2
100
7
ESE
5.0
-
8.3
4.3
6.6
4.5
0.00
25
 Cloudy and dull 19th. Continuous moderate rain overnight 19th/20th
20
21
1007.3
6.6
99
5
WSW
6.0
-
8.6
6.2
8.4
4.9
1.31
18
 Rain persisting until 1630Z on 20th. 28.4mm rain from event. Cloudy am 21st. Mild 
21
22
1005.0
6.7
99
7
SE
6.0
-
12.4
5.4
8.9
2.2
0.00
25
 Sunny intervals early pm 21st. More rain am 22nd 
22
23
1001.7
11.3
92
11
WSW
8.5
-
11.3
6.7
5.6
6.6
0.07
28
 Rain 22nd and early am 23rd. Very mild
23
24
998.1
8.2
99
4
SSE
8.0
-
11.3
6.7
10.7
5.5
0.00
32
 Cloudy 23rd. Rain am 24th 
24
25
991.7
6.2
98
7
S
7.5
-
7.8
5.8
6.6
4.5
0.15
26
 Cloudy and mild 24th. Heavy showers overnight 24th/25th. Thunder 0500Z on 25th 
25
26
1006.0
5.1
96
8
SSW
6.0
-
9.1
3.9
4.8
1.9
1.35
28
 Showers 25th. Clearer am 26th  
26
27
997.0
6.1
94
2
S
6.5
-
7.3
5.1
4.1
2.9
0.01
28
 Showers pm 26th and am 27th  
27
28
1016.6
6.3
98
5
SSE
6.0
-
11.6
3.9
0.5
1.4
0.00
29
  Showers late am 27th. Cloudy pm 27th. Rain am 28th
28
29
1002.4
10.7
83
11
S
8.0
-
10.8
6.3
0.5
9.5
0.00
30
 Cloudy and dull 28th and am 29th. Mild 
29
30
1008.5
4.8
83
10
SSW
6.0
-
10.7
4.5
1.3
2.6
2.41
31
 Cloudy 29th, turning colder early pm. Clearer am 30th 
30
31
1003.4
9.4
95
11
SSW
7.5
-
10.3
4.8
4.3
7.5
0.00
30
 Sunny intervals 30th. Turning milder overnight 30th/31st with light rain am 31st 
31
Total/
Mean
            
.
7.4C
1.8ºC
108.9mm
.
47.31hrs
  
*Ice Day is Tmax <0.0º 0900-0900 
Date
Anomaly
             .
+0.5degC
-0.6degC
192.7%
.
79.5%
  
 
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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The data on this website may be freely used for personal and/or academic purposes only - please acknowledge source in publication
(amended January 2009)