Page updated June 2, 2019 18:57
Link to April 2019..Link to June 2019

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
May 2019 (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 Temp (°C)
2Minimum Temp (°C)
3Rainfall
(mm)
4Grass Min Temp
(°C)
5Sun (Hours)

Solar
Rad'n High
(W/m2)
7ET
(mm)
6Max Wind
Speed (mph)
1
1017.3
11.6
85
4
W
11.0
13.3
9.6
0.5
8.4
0.10
649
1.6
18
 Cloudy later 30th April. Cloudy with some light rain 1st May
1
2
1012.6
9.7
80
5
WNW
11.0
14.2
6.4
2.6
1.9
0.17
1002
1.6
19
 Cloudy 1st, light rain early evening clearing. Clear skies am 2nd then cloudy
2
3
1016.4
7.6
62
6
NW
10.0
10.6
4.2
0.2
2.1
4.52
1027
2.36
18
 Cloudy 2nd, rain late afternoon. Clear skies am 3rd
3
4
1024.0
5.8
64
9
N
10.0
10.7
1.3
0.0
– 2.6
5.54
1100
1.96
22
 Sunny intervals 3rd. Clear with ground frost am 4th
4
5
1025.8
6.7
63
8
WNW
9.0
10.7
3.6
3.4
– 0.6
1.12
1181
1.12
18
 Sunny intervals 4th. Clear spells am 5th, ground frost
5
6
1021.2
3.9
93
3
SE
9.5
9.3
3.6
0.1
2.6
5.24
932
1.88
17
 Mainly cloudy 5th. Rain with some wet snow (0700-0900h) am 6th
6
7
1015.1
6.9
64
8
SSE
9.0
9.6
2.6
0.5
– 2.0
1.51
879
1.88
17
 Rain shower,wet snow am 6th, sunny intervals pm. Clear am 7th,ground frost
7
8
999.6
6.2
92
8
ESE
9.0
6.8
4.4
12.1
3.5
0.00
227
0.53
21
 Mainly cloudy 7th. Rain by mid am 8th
8
9
1001.4
6.2
84
10
ENE
9.0
10.4
4.8
0.0
3.6
6.33
779
2.18
25
 Rain all day with strong easterlies 8th. Cloudy am 9th
9
10
1008.6
7.6
70
4
SE
9.0
12.3
3.5
12.7
– 2.7
4.97
863
1.83
17
 Sunny intervals 9th. Clear skies am 10th, ground frost
10
11
1019.9
8.7
76
4
NW
9.0
14.2
2.9
0.0
– 1.8
11.99
1041
3.23
17
 Rain, moderate at times, 10th @ 1730h-11th @ 0030h. Ground frost am 11th
11
12
1035.1
11.6
69
5
ESE
9.0
15.0
4.6
0.0
– 1.1
14.16
963
2.95
14
 Prolonged sunshine 11th. Clear skies am 12th with ground frost
12
13
1037.8
14.7
47
9
W
10.0
20.6
7.5
0.0
2.0
13.51
1111
4.34
18
 Prolonged sunshine 12th. Clear skies am 13th. Warmer
13
14
1034.2
16.8
57
2
NE
11.0
22.3
7.2
0.0
2.4
15.69
803
4.14
12
 Prolonged sunshine 13th. Clear skies am 14th. Warmer
14
15
1027.3
17.8
57
3
E
12.0
20.8
9.6
0.0
3.7
14.00
819
4.19
15
 Unbroken sunshine 14th. Clear skies am 15th. Warmer
15
16
1022.3
15.6
50
9
SE
12.0
18.3
7.4
0.0
3.0
15.74
870
5.05
25
 Prolonged sunshine 15th. Clear skies am 16th. Haze
16
17
1017.6
12.2
79
9
E
12.5
15.2
8.3
11.2
5.4
7.11
863
3.20
21
 Unbroken sunshine 16th. Broken cloud am 17th.
17
18
1008.0
9.0
98
9
E
12.0
10.8
8.5
3.2
8.2
0.00
200
0.48
22
 Sunny intervals 17th, haar evening, rain late. Rain and low cloud am 18th
18
19
1009.0
10.8
93
7
W
12.0
13.6
8.0
0.0
5.4
0.27
413
1.19
14
 Light rain/drizzle/low cloud 18th. Cloud am 19th but brighter
19
20
1012.7
11.7
86
5
W
12.5
16.0
9.4
0.4
8.5
1.04
1118
2.29
19
 Mainly cloudy 19th. Cloudy am 20th
20
21
1017.7
12.3
79
4
NW
12.5
16.2
8.8
3.4
6.6
3.75
1120
2.13
14
 Bright 20th. Some showers am 21st
21
22
1016.5
11.1
74
11
WNW
12.0
15.1
6.0
0.0
3.1
9.67
1181
3.25
25
 Sunny intervals am 21st, showers with thunder late afternoon. Clear am 22nd
22
23
1013.1
10.6
80
14
W
12.0
15.2
6.9
0.0
4.7
13.09
1206
4.24
34
 Sunny periods 22nd. Clear am 23rd, windy at times
23
24
1015.3
11.8
71
12
WNW
12.0
17.9
7.5
0.0
5.4
14.15
997
4.70
29
 Prolonged sunshine 23rd. Clear and gusty overnight 23rd/24th
24
25
1016.4
11.9
73
8
W
12.5
13.8
8.2
8.6
4.4
1.03
520
1.88
25
 Prolonged sunshine 24th. Clear skies am 25th, more cloud later
25
26
1004.0
12.8
96
12
W
13.0
15.6
11.9
0.2
11.8
3.48
1234
3.02
38
 Mainly cloudy 25th, rain in evening. Wet am 26th, milder
26
27
1006.4
9.1
82
2
N
12.5
12.3
7.6
7.0
6.5
0.84
283
1.42
38
 Sunny intervals 26th, windy pm. Clear then cloudy am 27th, cooler
27
28
1013.3
6.1
95
5
SE
12.0
12.4
5.9
0.0
5.5
2.27
1155
1.85
14
 Showers evening 27th, rain am 28th. Colder
28
29
1014.1
10.2
74
2
NW
12.0
14.8
4.1
6.0
– 2.0
4.42
703
1.09
18
Sunny intervals 28th. Clear skies am 29th with ground frost
29
30
1010.6
14.5
92
14
W
12.5
15.3
9.6
12.0
9.5
0.16
531
0.91
25
Sunny intervals 29th, showers evening. Rain am 30th. Mild night
30
31
1015.9
14.1
97
8
SW
12.5
16.8
9.3
2.2
9.3
0.28
469
1.88
37
Rain and low cloud 30th. Cloudy with drizzle am 31st
31
 
Total/
Mean
14.1
6.6
86.5
– 2.6
175.15
1234
75.79
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
Temp
(°C)
2Mean Minimum
Temp
(°C)
3Total Rainfall
(mm)
4Grass Min
Temp
lowest
(°C)
5Total Sun
(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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