Page updated January 1, 2017 12:37
Link to November 2016 ..Link to January 2017

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Swanston Weather Station
December 2016 (Means and totals to date are at foot of table)
 
  0900 GMT readings
 Daily  Readings (See notes at foot of page)
Weather in previous 24h & hours of air frost (to 0900 on date)
Date
Date
Pressure
(mb)
Temp (°C)
Relative
Humidity (%)
Wind Speed
(mph)
Wind
Direction
SoilTemp @ 20cm
(°C)
SnowDepth(cm) or
Pentlands, Lammermuirs, Moorfoots snowline(ft)
1Maximum Temperature (°C)
2Minimum Temperature (°C)
3Rainfall
(mm)

4GrassMin Temp
(°C)
5Sunshine (Hours)

Solar
Rad'n High
(W/m2)

7ET
(mm)
6Max Wind
Speed (mph)
1
1027.1
8.3
72
13
WNW
4.5
-
9.9
6.4
0.3
7.1
3.59
202
1.2
32
Cloudy 30th November. Broken cloud 1st. Milder
1
2
1028.1
5.8
89
1
WNW
5.0
-
7.6
5.8
0.0
2.1
2.49
130
0.4
14
Sunny intervals 1st. Shower 0730 2nd
2
3
1027.5
3.0
95
2
NW
4.0
-
7.6
2.8
0.0
-1.0
2.34
234
0.3
11
Sunny intervals 2nd. Clear skies am 3rd
3
4
1028.2
– 0.2
90
3
SSW
4.0
-
4.7
– 0.8
0.0
– 4.4
5.63
156
0.5
15
Sunny intervals 3rd. Clear skies am 4th
4
5
1025.4
– 0.8
96
4
ESE
3.0
-
2.8
– 2.5
0.0
– 12.5
4.68
192
0.5
11
Unbroken sunshine 4th. Clear and frosty am 5th
5
6
1023.4
2.6
95
4
SE
3.0
-
12.7
– 2.0
2.0
– 5.0
0.00
62
0.2
51
Prolonged sunshine 5th. Low cloud/fog am 6th
6
7
1012.3
11.7
92
19
SSW
5.0
-
14.1
2.4
0.0
8.9
0.11
113
1.0
51
Dull 6th, rain in evening. Gusty winds am 7th
7
8
1017.0
10.2
87
12
W
6.0
-
11.3
10.1
0.2
9.1
1.56
204
0.9
37
Mainly cloudy 7th. windy. Cloudy am 8th
8
9
1013.3
12.4
87
21
SW
6.0
-
12.7
6.8
trace
3.7
0.00
97
1.1
40
A few sunny intervals 8th. More cloud am 9th
9
10
1013.9
8.0
87
19
WSW
6.0
-
9.3
7.7
0.0
5.9
1.62
163
0.9
35
Cloudy and windy 9th and am 10th
10
11
1017.4
7.8
82
15
W
5.0
-
9.1
6.1
0.0
4.4
0.00
53
0.8
32
A few sunny intervals 10th. Clear skies early am 11th
11
12
1018.7
6.7
84
4
WSW
5.5
-
7.5
6.7
0.4
2.8
1.45
135
0.5
24
Cloudy 11th. Clearer skies am 12th
12
13
1018.4
5.4
94
5
SE
5.0
-
11.0
4.3
1.3
– 0.9
0.30
188
0.1
19
A few sunny intervals 12th. Turning cloudy am 12th
13
14
1012.6
10.7
88
4
ENE
6.0
-
12.1
5.3
1.0
3.4
1.80
144
0.6
41
Mainly cloudy 13th, rain midday. Cloudy am 14th
14
15
1013.9
7.3
93
5
SE
6.0
-
9.8
6.3
0.2
5.2
0.29
113
0.2
23
Sunny intervals 14th, rain later afternoon. Cloudy am 15th
15
16
1020.0
8.1
89
9
SSW
6.5
-
9.6
7.1
0.0
0.6
0.00
46
0.6
28
Mainly cloudy 15th. Clear early then cloudy am 16th
16
17
1033.3
5.6
86
14
WSW
6.0
-
7.4
4.8
0.7
3.0
1.46
77
1.0
32
Cloudy 16th. Less cloud am 17th
17
18
1032.2
8.6
87
11
W
6.0
-
9.5
6.1
0.1
5.6
0.00
56
0.6
30
Sunny intervals 17th, cloudy later, drizzle. Cloudy am 18th
18
19
1025.0
7.4
88
7
NW
5.5
-
8.7
6.1
0.0
2.4
0.00
72
0.6
24
Cloudy 18th and am 19th
19
20
1015.7
5.9
92
8
SW
5.0
-
6.9
1.3
6.5
– 2.6
0.85
127
0.6
43
Cloudy 19th, clear early am 20th
20
21
1006.5
2.6
93
12
W
5.0
1200' (P)
5.3
2.6
8.9
1.6
1.92
163
0.9
38
Rain evening 20th. Hvy shower RaSn 0845 GMT 21st
21
22
1013.2
3.5
91
17
WSW
4.5
0.5cm
7.9
1.3
10.7
– 0.1
1.27
132
0.8
43
Showers 21st. RaSn showers am 22nd. Slush 0900 GMT
22
23
1008.3
7.8
89
20
SW
4.0
-
9.5
1.3
18.0
0.1
0.00
51
0.8
60
Showers 22nd, snow 1600-1700 GMT. Rain am 23rd
23
24
1009.9
3.4
90
18
WSW
4.0
1200' (P)
11.8
2.8
1.1
1.4
0.48
95
0.7
48
Windy with heavy showers 23rd and am 24th
24
25
1005.9
11.7
86
20
WSW
5.5
-
12.7
2.8
7.5
7.5
0.12
95
1.1
51
Windy and mainly cloudy 24th. Much milder am 25th
25
26
1017.1
1.7
85
13
W
4.0
1.0cm
6.1
0.7
1.9
– 0.5
1.08
178
0.7
41
Mild 25th, colder later with RaSnSh. Snow sh am 26th
26
27
1038.3
5.3
88
13
W
4.0
1400' (P)
6.6
0.7
0.0
3.1
3.25
162
0.8
32
Snow showers am 26th, rain showers pm. Clear am 27th
27
28
1037.5
6.2
89
11
SW
4.0
1400' (P)
7.2
4.3
0.0
1.9
0.83
153
0.8
29
Sunny periods 27th. Broken cloud am 28th
28
29
1030.2
6.1
85
14
SW
4.5
-
11.5
5.3
0.1
3.6
3.97
156
1.0
41
Mainly cloudy 28th and am 29th
29
30
1025.9
11.3
82
20
WSW
5.0
-
11.6
6.1
0.0
5.8
0.00
97
1.5
42
Sunny periods 29th. Cloudy, windy and mild am 30th
30
31
1019.8
9.8
82
27
WSW
6.0
-
10.2
9.7
1.4
8.6
0.04
86
1.2
48
Cloudy 30th. Gusty winds am 31st
31
 
   
Total/
Mean
9.2
4.2
62.3
– 12.5
41.14
234
22.9
60
 
Date
 
Pressure
(mb)
Temp
(°C)
Relative
Humidity
(%)
Wind
Speed (mph)
Wind
Direction
Soil Temp
at 20cm
(°C)
Snow Depth(cm)
or
Pentlands Snow line(ft)
1 Mean Maximum
Temperature
(°C)
2Mean Minimum
Temperature
(°C)
3Total Rainfall
(mm)


4GrassMin
Temperature
lowest
(°C)
5Total Sunshine
(Hours)
Solar
Rad'n highest
( W/m2)
7Total ET
(mm)
6Maximum
Wind Speed
(mph)
 
  0900 GMTreadings
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. SEPA = Scottish Environmental Protection Agency/UKMO 5" diameter gauge
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
7. Total evapotranspiration on the date (in mm).
* 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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