Page updated October 1, 2017 15:39
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Swanston Weather Station
September 2017 (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
1022.5
12.4
89
4
WNW
15.0
-
17.7
10.7
0.0
8.4
6.48
905
2.0
14
 Clear am 1st...In memory of Mick our much loved cat 2000 - 31/8/2017. RIP
1
2
1021.6
13.8
77
6
W
14.5
-
18.8
9.4
0.0
5.7
9.36
925
2.3
18
 Sunny periods 1st. Clear skies am 2nd
2
3
1008.8
14.5
68
12
SSE
15.0
-
17.8
7.4
2.0
3.4
4.35
659
2.0
28
 Sunny periods 2nd. Sun Dogs @ 0800 GMT 3rd
3
4
1005.0
15.2
90
16
SW
15.0
-
16.8
12.6
6.2
12.1
0.0
221
0.8
30
 Hazy sun 3rd, rain evening. Cloudy am 4th
4
5
1007.0
12.2
89
6
WSW
15.0
-
16.5
11.4
0.1
10.6
3.48
722
1.8
29
 Rain afternoon 4th. Rain am 5th
5
6
1012.6
13.1
83
14
W
14.0
-
16.9
10.0
0.4
8.2
8.19
888
2.5
29
 Sunny intervals later 5th. Clear spells am 6th
6
7
1007.6
12.4
91
12
SW
14.0
-
14.8
11.4
3.5
10.1
0.0
287
1.0
29
 Sunny periods 6th. Cloudy am 7th, rain later
7
8
991.9
12.6
86
9
W
14.0
-
15.1
9.8
0.7
7.5
8.93
793
2.3
32
 Cloudy with light rain 7th. Clear overnight 7th/8th
8
9
994.4
11.9
88
6
NW
14.0
-
17.8
9.7
0.0
7.4
5.14
817
1.5
19
 Sunny periods 8th. Clear then cloud/shower am 9th
9
10
989.0
12.4
86
6
SSW
14.0
-
15.2
10.8
8.7
7.0
2.56
914
1.5
38
 Sunny intervals 9th. Clear then cloud am 10th
10
11
981.0
12.5
88
11
W
14.0
-
16.2
9.3
0.2
7.4
7.27
853
2.3
29
 Heavy showers afternoon 10th. Showers am 11th
11
12
997.7
12.5
78
12
WNW
13.5
-
15.4
9.4
4.2
7.3
5.86
847
2.0
31
 A few light showers 11th pm. Mainly clear am 12th
12
13
991.4
9.2
95
9
WNW
13.5
-
12.2
7.7
19.4
7.3
0.0
323
0.8
19
 Sunny intervals 12th. Light rain overnight 12th/13th
13
14
1005.9
11.4
81
10
NW
12.5
-
14.7
8.3
1.1
6.5
7.43
756
2.3
24
 Violent shower + hail 86mm/hr @ 1540GMT 13th
14
15
1013.8
10.9
82
7
WNW
12.5
-
15.6
8.6
2.3
5.8
3.87
925
1.5
19
 Sunny periods 15th. Showers overnight 15th/16th
15
16
1014.3
8.9
85
7
W
12.5
-
11.3
6.6
2.6
2.7
0.96
387
0.8
13
 Sunny intervals and showers 15th. Cloudy later am 16th
16
17
1018.1
9.4
89
5
WNW
12.0
-
14.4
8.3
0.1
7.1
3.20
582
1.0
15
 Rain pm 16th. Cloudy am 17th
17
18
1019.2
10.0
87
5
NW
12.0
-
11.9
8.8
0.0
8.6
0.30
330
0.8
11
 Sunny intervals 17th. Cloudy am 18th
18
19
1019.3
11.5
84
7
W
11.5
-
16.4
5.1
0.0
1.7
10.42
772
2.0
19
 Mainly cloudy 18th. Clear skies late 18th and am 19th
19
20
1011.2
15.1
87
15
SSW
12.5
-
16.2
11.4
6.5
9.1
0.09
364
1.3
31
 Prolonged sunshine 19th. Cloudy am 20th
20
21
1007.6
11.1
96
5
W
13.0
-
14.7
10.3
0.0
10.2
4.58
847
1.5
25
 Showers pm 20th. Rain 0400-0800h 21st
21
22
1015.4
12.3
81
7
S
12.0
-
15.2
8.6
0.1
6.6
5.30
689
1.5
31
 Sunny intervals 21st. Clear skies am 22nd
22
23
1016.2
13.7
82
11
SSW
12.0
-
18.4
11.4
0.1
9.1
5.29
643
1.5
26
 Sunny intervals 22nd. Clear skies am 23rd
23
24
1016.4
13.6
79
8
SSE
12.5
-
17.4
11.6
14.8
7.6
1.11
489
1.0
16
 Sunny intervals 23rd. Clear then cloudy am 24th
24
25
1020.2
12.6
99
5
SSE
12.0
-
15.5
12.2
0.1
12.0
1.31
366
0.5
13
 Mainly cloudy 24th. Rain and low cloud am 25th
25
26
1023.0
13.9
91
6
SSE
13.5
-
16.9
12.1
0.0
10.4
3.09
575
1.0
18
 Hill fog/low cloud 25th. Fog at times am 26th
26
27
1018.9
13.7
88
10
SE
13.5
-
15.7
11.9
4.2
11.1
1.31
520
1.3
29
 Sunny intervals 26th. Mainly cloudy am 27th
27
28
1015.0
13.4
87
4
W
13.0
-
18.1
11.5
0.3
9.5
8.11
712
1.8
26
 Mainly cloudy 27th. Rain overnight 27th/28th
28
29
1008.9
13.0
87
7
SW
13.0
-
16.8
11.7
0.0
9.7
7.07
654
1.8
25
Sunny periods 28th. Cloudy with light rain am 29th
29
30
1010.6
10.2
81
11
SW
12.0
-
15.2
8.4
3.2
5.5
8.69
712
1.3
26
Sunny periods 29th. Clear skies am 30th
30
                               
31
Total/
Mean
15.9
9.9
80.8
1.7
133.75
925
50.0
38
  
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)
6Max
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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