Page updated September 24, 2020 12:11
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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
September 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
1018.6
11.6
83
5
N
15.0
-
15.4
9.2
3.1
4.9
2.03
20
 Sunny intervals 31st August. Rather cloudy overnight 31st/1st
1
2
1018.2
11.0
80
6
N
14.5
-
15.3
10.1
0.1
7.5
1.34
17
 Showers 1630-1940GMT 1st. Cloudy am 2nd
2
3
1015.5
11.2
72
9
N
14.0
-
16.3
8.0
0.0
5.8
0.66
22
 Mainly cloudy 2nd. Cloudy am 3rd
3
4
1007.3
14.2
78
12
N
14.0
-
16.4
11.4
1.2
4.6
3.12
20
 Cloudy 3rd. Variable cloud am 4th
4
5
1024.0
10.4
65
9
NW
13.0
-
14.7
7.3
0.0
3.4
9.58
18
 Sunny intervals 4th. Clear skies am 5th
5
6
1027.0
12.3
74
7
N
13.0
-
18.4
7.4
0.0
3.0
13.10
23
 Prolonged sunshine 5th. Clear skies am 6th
6
7
1031.7
13.7
79
2
N
13.0
-
20.2
8.3
0.0
3.4
13.23
11
 Unbroken sunshine 6th. Clear skies am 7th
7
8
1029.8
10.3
97
0
Calm
14.0
-
15.8
9.9
0.0
9.5
2.19
12
 Unbroken sunshine 7th. Fog am 8th
8
9
1026.1
9.3
81
6
S
14.0
-
13.7
8.6
0.0
7.4
0.46
22
 Haar 8th. Cloudy am 9th
9
10
1024.3
13.1
82
12
SSE
13.5
-
19.3
8.9
0.0
6.5
10.26
28
 Cloudy 9th. Broken cloud am 10th
10
11
1017.7
13.1
84
11
SSE
13.5
-
17.9
9.0
0.0
5.8
8.27
30
 Prolonged sunshine 10th. Clear skies am 11th
11
12
1003.3
13.1
88
14
SSE
13.5
-
15.7
10.5
0.7
8.1
0.60
32
 Sunny periods 11th. Cloudy am 12th
12
13
1005.0
12.3
84
8
S
13.5
-
15.3
9.3
0.2
7.6
1.11
21
 Cloudy 12th with occ showers, turning cooler mid afternoon. Cloudy am 13th
13
14
996.9
9.9
91
1
NE
13.0
-
11.8
8.1
7.5
4.0
0.00
16
 Mainly cloudy 13th. Cloudy overnight with light rain @0900 14th
14
15
992.0
10.4
89
6
W
12.5
-
16.4
8.2
0.0
5.5
9.16
19
 Cloudy 14th with rain 0900-1400. Clearer skies am 15th
15
16
993.3
11.4
81
5
WSW
13.0
-
15.6
7.9
0.0
5.0
7.53
16
 Sunny periods 15th. Clear skies am 16th with valley fog
16
17
994.7
12.6
84
1
SW
13.0
-
16.8
9.9
0.1
5.0
3.60
10
 Sunny periods 16th. Low cloud am 17th
17
18
1010.9
12.5
88
0
SW
13.0
-
17.1
10.4
0.0
9.0
4.41
9
 Sunny intervals 17th. Mainly cloudy am 18th
18
19
1022.9
12.4
81
1
SW
12.0
-
15.8
8.2
0.0
2.7
7.06
12
 Sunny intervals 18th. Clear am 19th
19
20
1021.3
13.4
83
0
Calm
13.0
-
15.1
11.7
12.5
10.1
0.44
21
 Sunny periods 19th. Variable cloud am 19th
20
21
1005.9
13.3
96
2
SSW
13.0
-
15.2
11.6
0.7
11.1
2.61
24
 Rain 2000 20th - 0415 21st and 0700-0900 21st
21
22
1001.3
10.2
85
8
W
13.0
-
15.2
7.9
0.0
6.2
5.44
16
 Sunny intervals 21st. Light showers am 22nd
22
23
1005.2
10.3
81
7
SW
12.5
-
14.6
7.9
0.2
5.6
3.56
30
 Sunny periods 22nd. Variable cloud am 23rd.
23
24
1003.8
9.9
83
13
W
12.0
-
13.2
8.1
4.0
5.7
8.32
34
 Sunny intervals 23rd, shower @ 2220. Clear am 24th
24
25
1017.0
10.6
81
11
W
11.5
-
14.6
8.1
0.0
6.5
9.62
28
 Sunny periods 24th, rain 1330-1510, then colder. Clear am 25th
25
26
1028.3
12.6
84
2
W
11.5
-
15.2
10.8
0.0
9.5
0.00
18
 Sunny periods 25th. Cloudy am 26th
26
27
1034.0
10.6
89
1
W
11.5
-
18.1
6.7
0.0
1.2
9.85
17
 Cloudy 26th. Clear skies am 27th
27
28
1036.9
12.3
83
2
SSW
11.5
-
18.5
6.9
0.0
2.4
8.68
15
 Sunny periods 27th. Clear am 28th, lunar eclipse 0348
28
29
1036.7
12.9
85
3
W
11.5
-
20.9
8.5
0.0
3.5
11.61
13
 Sunny periods 28th. Clear am 29th
29
30
1037.4
11.9
87
2
N
11.0
-
20.0
7.9
0.0
2.2
11.52
9
 Unbroken sunshine 29th. Clear skies am 30th but poor vis
30
31
 
31
 
   
Total/
Mean
    
16.2
8.9
30.3
169.36
 
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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