Page updated October 1, 2016 10:57
Link to August 2016 .. Link to October 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
September 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 (to 0900 on date)Blue >50% snow cover @09
Date
Date
Pressure
(mb)
Temp (°C)
Relative
Humidity (%)
Wind Speed
(mph)
Wind
Direction
Soil Temp
at 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
1018.5
13.3
80
12
WSW
16.0
-
17.6
10.9
1.4
8.1
3.19
884
2.6
38
 Sunny intervals 31st August, shower midday. Cloudy am 1st
1
2
1011.3
13.5
93
9
W
15.5
-
18.0
12.8
0.2
11.1
6.75
912
2.6
33
 Sunny intervals 1st, shower evening. Cloudy am 2nd, rain 0800-0820
2
3
1010.2
14.2
83
7
WSW
15.0
-
17.3
12.1
1.9
10.1
0.54
800
1.6
26
 Sunny intervals 2nd. Turning cloudy am 3rd
3
4
1009.3
13.1
96
1
NW
15.0
-
20.9
11.6
0.0
11.2
5.90
842
2.1
10
 Cloudy 3rd, rain evening. Fog am 3rd then sunny
4
5
1012.8
15.1
87
8
SSW
16.0
-
20.3
12.9
0.0
10.6
2.21
1041
2.1
24
 Sunny intervals 4th. Variable cloud am 5th
5
6
1016.6
19.9
86
13
WSW
16.5
-
22.3
15.1
0.3
13.8
7.77
837
2.6
38
 Sunny intervals 5th. Gusty winds am 6th, warmer overnight
6
7
1015.8
19.6
79
8
WSW
17.0
-
23.1
16.6
1.3
14.6
3.17
807
2.5
26
 Sunny periods 6th, light rain evening. Cloudy am 7th
7
8
1001.5
16.7
92
1
SW
17.0
-
16.7
16.7
4.8
14.7
2.04
610
1.1
34
 Sunny intervals 7th. Cloudy, rain later,am 8th
8
9
1004.7
15.1
82
14
SW
16.0
-
16.8
12.6
5.5
11.4
0.80
715
1.6
53
 Rain 8th. Cloudy am 9th
9
10
1010.0
12.2
84
11
WSW
15.0
-
17.5
10.5
0.0
8.1
2.83
570
2.1
29
 Rain pm 9th, gust 53mph @1800h. Var cloud & cooler am 10th
10
11
1011.9
13.4
78
11
SSW
15.0
-
17.7
10.2
0.0
8.0
6.96
884
2.8
38
 Sunny intervals 10th, clear am 11th
11
12
1003.9
17.4
83
14
SW
16.0
-
20.7
13.4
0.2
13.0
2.10
863
2.3
42
 Sunny periods 11th. Gusty winds am 12th
12
13
1010.8
16.6
92
3
WNW
16.0
-
20.6
16.3
0.3
14.7
0.96
708
1.0
29
 Sunny intervals 12th. Cloudy am 13th
13
14
1017.4
12.7
97
8
ESE
16.0
-
13.2
12.3
0.9
12.0
0.00
155
0.4
20
 Mainly cloudy 13th. Easterly winds with fog/haar am 14th
14
15
1012.3
13.2
99
0
Calm
16.0
-
20.7
12.1
4.6
12.2
4.71
526
1.4
14
 Fog/haar 14th and am 15th
15
16
1012.1
12.7
90
12
WNW
16.0
-
17.1
11.5
0.0
10.9
7.70
728
2.3
24
 Haar clearing then sunny pm 15th. Rain 0200-0430h 16th
16
17
1022.6
11.0
90
7
W
14.5
-
17.8
9.6
0.0
7.2
12.05
756
2.4
14
 Sunny periods 16th. Clear skies am 17th
17
18
1019.3
12.4
89
5
WSW
14.0
-
18.9
10.2
trace
6.2
1.68
847
1.5
20
 Unbroken sunshine 17th. Clear, turning cloudy am 18th
18
19
1023.7
12.9
78
7
W
14.0
-
15.8
9.8
0.0
6.5
4.98
802
1.5
18
 Sunny intervals am, light shower pm 18th. Clear am 19th
19
20
1021.2
12.9
76
4
S
15.0
-
16.9
10.4
0.0
8.6
5.04
789
2.0
16
 Sunny intervals 19th. Cloudy am 20th
20
21
1015.1
12.2
84
3
SE
14.0
-
16.4
7.3
3.4
2.6
3.28
679
1.4
25
 Sunny intervals 20th. Clear skies am 21st
21
22
1014.5
11.1
89
6
W
13.5
-
15.3
9.7
1.9
8.8
8.01
701
2.4
30
 Sunny intervals, rain evening 21st. Rain mid-am 22nd
22
23
1019.0
10.5
80
11
SW
13.0
-
14.3
8.9
trace
6.7
3.42
381
1.8
49
 Sunny periods 22nd, rain late. Clear am 23rd, then cloudy
23
24
1005.9
15.8
81
18
SW
13.0
-
18.0
10.5
0.3
12.2
0.11
696
1.9
51
 Sunny intervals 23rd, windy later. Windy and cloudy am 24th
24
25
1003.9
11.2
81
11
SW
13.5
-
14.6
11.2
0.4
9.9
4.39
691
2.1
33
 Windy and cloudy 24th. Shower early am 25th
25
26
1016.1
10.3
84
11
SSW
13.0
-
13.4
8.2
0.4
6.4
1.84
510
1.1
29
 Shower late afternoon 25th. Clear then cloudier am 26th
26
27
1008.3
14.8
87
20
SW
13.0
-
16.6
10.3
0.0
7.9
4.34
661
2.5
48
 Sunny intervals 26th. Variable cloud am 27th
27
28
1015.1
13.4
84
13
WSW
13.0
-
18.2
11.7
8.6
10.0
0.00
497
1.6
45
 Sunny intervals 27th. Cloudy am 28th
28
29
1000.3
9.7
92
18
W
13.0
-
12.6
9.7
1.4
7.9
6.59
679
2.2
44
 Heavy showers and gusty winds overnight 28th/29th
29
30
1004.3
9.9
86
17
WSW
12.0
-
12.8
9.9
0.0
5.9
9.17
770
1.7
31
 Sunshine and showers 29th. Occasional showers am 30th
30
31
 
31
 
   
Total/
Mean
17.4
11.5
37.8
2.6
122.53
1041
57.2
53
  
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'm
Temperature
(°C)
5Total Sunshine
(Hours)
Solar
Rad'n High
( 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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