Page updated January 1, 2016 12:18
Link to November 2015 Link to January 2016

Data on this website may be freely used for personal and/or academic purposes only -but please do acknowledge Swanston Weather Site as source
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Swanston Weather Station
December 2015 (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 (to 0900 on date)Blue >50% snow cover @09
Date
Date
Pressure
(mb)
Temperature (°C)
Relativ
Humidity (%)
Wind Speed
(mph)
Wind
Direction
Soil Temp
at 20cm
(°C)
Snow Depth(cm)
1Maximum Temperature (°C)
2Minimum Temperature (°C)
3Rainfall
(mm)
SEPA/UKMO Gauge
4GrassMin Temp
(°C)
5Sunshine (Hours)
6Max
Wind Speed
(mph)
or
Pentlands snowline(ft)
1
1012.3
2.0
97
13
SSE
4.0
1000'
12.3
1.8
4.6
0.2
0.00
44
 Sunny pm 30th November. Rain 0600-0900 1st December
1
2
1005.6
10.9
92
22
SW
6.0
-
11.7
2.0
2.2
9.6
0.74
53
 Rain am 1st, turning much milder pm. Rain 0530-0900 2nd
2
3
1017.4
5.7
83
4
SW
5.5
-
6.4
4.9
37.0
1.9
0.00
23
 Rain am 2nd then turning much colder pm. Cloudy am 3rd
3
4
1012.6
5.6
90
23
WSW
4.5
1cm
10.9
0.2
15.0
-0.1
0.80
62
 Snow 1430-2030 3rd. (6cm @2030). Heavy rain showers am 4th
4
5
995.1
10.8
91
22
WSW
6.5
-
12.4
5.6
24.1
7.9
0.00
58
 Continuous rain and gusty winds 1730 onwards 5th. Wet and windy 6th
5
6
1001.2
4.1
93
13
W
6.5
-
6.4
3.9
1.6
2.6
4.18
44
 Continuous rain and gusty winds 5th and am 6th (to 0700)
6
7
1017.3
4.6
95
8
SE
5.5
-
12.8
4.1
0.7
2.5
0.61
39
 Sunny periods 6th. Light rain 0530 onwards am 7th
7
8
1006.7
9.2
85
20
SW
7.0
-
9.7
4.6
6.6
5.5
4.04
47
 A few sunny intervals pm 7th. Showers am 8th
8
9
1016.4
8.3
91
21
SW
6.5
-
10.6
3.8
14.2
2.5
0.00
57
 Sunshine and showers 8th. Heavy showers and gusty winds from 0600 9th
9
10
1012.4
3.9
86
15
WSW
6.0
1500'
5.4
2.7
1.7
1.6
3.74
44
 Showers am 9th then heavy rain and gusty winds pm. Showers am 10th
10
11
1008.2
3.0
86
17
SW
5.0
900'
4.9
1.4
2.1
-0.1
1.63
47
 Sunny intervals 10th. Rain and snow showers early am 11th
11
12
1014.6
4.0
90
1
WSW
4.5
1500'
3.8
3.0
2.1
1.5
0.00
28
 Sunny intervals and showers 11th. Cloudy 12th
12
13
1019.5
-0.9
93
0
Calm
4.0
-
3.6
-1.4
1.7
-5.9
2.30
10
 Rain late am 12th. Cloud clearing evening 12th. Clear skies am 13th
13
14
1014.0
3.4
98
2
SSW
4.0
-
5.7
-0.9
1.2
-2.9
0.00
15
 Sunny intervals 13th then light snow turning to rain. Thick fog am 14th.
14
15
1017.7
5.7
96
11
SSE
5.0
-
9.8
3.4
1.4
3.5
0.00
21
 Fog 14th. Cloudy am 15th
15
16
1006.9
8.5
98
3
SSE
7.0
-
13.7
5.7
0.2
5.2
0.50
46
 Cloudy 15th, rain in evening. Broken cloud am 16th. Milder
16
17
1001.6
11.9
91
17
SSW
7.0
-
12.8
8.5
0.4
9.3
0.49
59
 Mainly cloudy 16th. Gusty winds am 17th with drizzle
17
18
1006.3
10.7
86
15
SW
7.0
-
14.2
9.7
0.6
9.1
0.01
47
 Mainly cloudy 17th and am 18th. Windy
18
19
995.5
13.8
80
23
SW
8.0
-
13.9
10.7
4.0
9.6
0.39
57
 Cloudy 18th and am 19th. Light rain at times. Windy
19
20
994.2
8.4
82
19
SW
7.5
-
8.4
8.1
1.1
5.6
0.40
47
 Mainly cloudy 19th, showers 2020 onwards. Showers am 20th
20
21
997.0
5.9
83
13
SSW
7.5
-
12.6
5.3
18.4
5.1
0.72
53
 Showers 20th. Cloudy am 21st
21
22
992.3
9.2
92
14
W
7.0
-
9.2
4.6
7.5
3.4
0.20
59
 Showers, heavy at times, 21st and 22nd. Gusts to 59mph am 22nd
22
23
1003.5
4.5
84
24
WSW
6.0
-
9.7
3.8
14.9
2.0
1.21
61
 Heavy showers, with hail, to 1250 22nd. Heavy showers am 23rd
23
24
993.0
6.1
88
16
SSW
6.0
-
6.4
4.4
2.3
2.5
1.87
63
 Sunny intervals 23rd. Heavy rain am 24th, gusts 63mph
24
25
1013.4
3.4
86
12
WSW
5.0
1200'
4.7
2.4
23.8
1.2
0.00
44
 Sunny intervals then showers pm 24th. Showers early am 25th
25
26
1010.9
2.9
98
8
ESE
5.0
900'
5.8
1.8
16.4
1.3
0.00
26
 Cloudy 25th with rain and snow overnight 25th/26th
26
27
1013.4
4.6
92
14
W
5.0
1600'
11.8
2.9
0.1
2.1
4.94
31
 Rain 26th. Clear skies am 27th
27
28
1010.6
8.9
87
10
SE
6.0
-
11.3
3.0
0.0
1.1
0.00
30
 Sunny periods 27th. Cloudy am 28th
28
29
1006.7
8.5
82
17
SSW
6.0
-
13.3
7.4
5.6
6.2
2.43
47
 Cloudy 28th. Windy am 29th
29
30
988.9
11.8
93
20
S
7.0
-
10.9
7.6
6.9
5.3
0.00
63
 Sunny intervals 29th. Gusty winds am 30th, rain 0600 onwards
30
31
997.1
2.8
96
1
WSW
6.0
-
4.9
1.7
1.7
-1.5
0.14
42
 Rain am/early pm 30th. Rain 0740-0840 31st
31
 
   
Total/
Mean
9.4
4.1
220.1
31.34
 
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)

SEPA
Gauge
4GrassMin'm
Temperature
(°C)
5Sunshine
(Hours)
6Maximum
Wind Speed
(mph)
or
Pentlands Snow line(ft)
 
  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
* 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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