Page updated June 1, 2016 11:36
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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
May 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
1016.4
9.2
84
22
SW
7.0
1200'P,M,L
13.4
5.6
6.1
3.2
2.07
1000
2.9
45
 Sunny periods 30th April. Cloudy am 1st May
1
2
1006.7
8.2
92
14
W
8.0
-
12.1
7.8
1.6
7.0
6.91
976
3.3
46
 Sunny intervals 1st. Rain am 2nd
2
3
1012.5
7.9
81
15
W
9.0
-
11.4
4.3
0.5
1.9
11.90
969
3.4
32
 Showers with small hail 2nd. Showers 3rd
3
4
1020.1
8.8
75
11
SW
9.0
-
12.8
6.9
0.0
5.3
4.88
823
3.3
40
 Showers midday 3rd, sun-dog @ 1820GMT. Fine am 4th
4
5
1016.3
9.9
86
12
SW
9.0
-
15.2
7.9
0.0
6.9
9.09
1004
2.7
40
 Gusty winds pm 4th. Fine am 5th
5
6
1015.2
11.2
76
3
ESE
9.5
-
14.3
6.9
0.0
3.0
1.27
587
2.5
14
 Sunny periods 5th. Fine am 6th
6
7
1013.6
7.4
93
10
E
10.0
-
9.8
7.1
2.7
3.1
0.0
366
0.8
26
 A few sunny intervals 6th, fog late. Fog am 7th
7
8
1011.9
8.2
99
4
E
9.0
-
17.2
6.4
0.0
6.3
6.66
828
2.3
17
 Dull. Heavy shower 2120-2130h 7th. Fog am 8th
8
9
1017.0
10.1
93
5
ESE
11.0
-
15.8
7.6
0.0
7.5
10.15
770
3.3
15
 Sunny pm 8th then fog.Fog am 9th
9
10
1016.1
12.1
85
6
E
11.5
-
15.1
8.0
0.0
8.0
12.40
759
3.6
21
 Sunny periods 9th. Fog am 10th
10
11
1013.9
10.7
87
9
E
11.0
-
14.0
7.9
0.0
6.4
4.62
851
2.4
22
 Unbroken sunshine 10th. Low cloud/fog am 11th
11
12
1014.2
10.9
82
14
E
12.0
-
15.9
7.9
0.0
7.8
11.86
766
4.2
26
 Sunny intervals 11th, fog late. Low cloud/fog am 12th
12
13
1017.2
7.7
81
9
E
12.0
-
9.8
6.7
0.0
5.3
3.86
737
1.9
20
 Sunny periods 12th. Cloudy am 13th
13
14
1021.9
7.7
60
5
WNW
10.0
-
15.2
2.1
0.0
-2.1
13.02
953
3.5
17
 Cloudy 13th, clearing later. Clear skies am 14th
14
15
1022.6
10.0
58
3
ESE
11.0
-
15.9
4.7
0.0
2.3
9.45
1055
3.8
12
 Unbroken sunshine 14th. Clear am 15th
15
16
1021.2
9.9
68
2
WNW
11.5
-
15.8
4.3
0.0
-1.6
5.38
911
2.8
19
 Sunny periods 15th, clear early am 16th
16
17
1012.9
11.0
75
8
W
11.0
-
16.2
6.2
0.3
4.1
10.19
935
2.6
30
 Sunny intervals 16th. Variable cloud am 17th
17
18
999.6
11.9
84
4
WSW
12.0
-
18.1
10.3
4.1
9.1
1.19
1134
1.9
25
 Sunny periods 17th. Light rain overnight/brown dust
18
19
1008.1
8.9
95
7
ESE
11.5
-
12.8
7.1
3.3
7.1
1.84
819
1.7
40
 Mainly cloudy 18th, rain overnight 18th/19th
19
20
1007.1
11.6
74
14
W
12.0
-
16.5
7.9
1.0
5.9
7.31
1151
3.6
30
 Showers pm 19th. Clear am 20th
20
21
997.6
13.4
82
17
SSW
12.0
-
16.3
9.8
4.9
8.6
5.35
1021
2.7
36
 Sunny intervals 20th. Light rain overnight 20th/21st
21
22
1004.5
13.1
72
8
W
12.0
-
17.0
8.8
0.6
7.2
7.46
1141
2.5
19
 Showers pm 21st. Clear am 22nd
22
23
1018.6
12.4
75
4
NNW
12.5
-
17.4
7.5
0.0
5.0
13.68
921
4.1
15
 Thunder 1700-1715 GMT. Clear am 23rd
23
24
1026.1
9.6
88
10
E
12.5
-
13.1
5.9
0.0
2.3
6.49
1032
2.4
19
 Unbroken sunshine 23rd. Cloud from E am 24th
24
25
1023.6
8.0
77
11
E
12.5
-
11.9
6.4
0.7
6.2
2.91
1102
2.6
23
 Sunny intervals 24th. Cloud from E am 25th
25
26
1019.6
8.2
92
10
E
12.0
-
8.2
7.7
11.6
7.9
0.00
236
0.3
21
 Light rain overnight 25th/26th
26
27
1020.6
8.1
99
7
E
12.0
-
11.1
7.5
0.7
7.5
0.00
269
0.4
14
 Low cloud/fog/drizzle/rain 26th and 27th
27
28
1018.7
11.1
93
5
E
11.0
-
13.6
8.1
0.0
8.3
7.62
1132
2.4
17
 Low cloud/fog 27th and am 28th.
28
29
1017.5
8.2
94
1
E
11.5
-
16.2
7.3
0.0
3.7
9.53
949
3.3
15
 Sunny intervals 28th. Fog overnight 28th/29th
29
30
1022.9
8.8
98
4
ESE
13.0
-
16.4
7.5
0.0
7.3
4.30
840
1.9
16
 Prolonged sunshine 29th then fog overnight 29th/30th
30
31
1025.2
14.7
69
6
NE
12.0
-
18.4
8.0
0.0
3.5
16.49
828
4.4
19
 Prolonged sunshine pm 30th. Clear am 31st
31
 
   
Total/
Mean
14.4
7.0
38.1
-2.1
207.88
1151
83.4
46
  
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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