Page updated April 29, 2017 20:53
Link to March2017 ..Link to May 2017

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
April 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
1005.4
9.7
85
8
NW
9.0
-
14.4
7.7
0.0
4.7
4.78
701
1.8
31
Sunny periods 31st March. Cloudy am 1st April
1
2
1020.6
8.6
75
9
W
8.0
-
14.2
4.7
0.0
1.4
12.15
831
2.9
22
Sunny periods 1st April. Clear skies am 2nd
2
3
1018.3
9.9
67
14
SW
8.0
-
11.6
5.7
0.0
– 0.6
3.75
575
2.5
47
Unbroken sunshine 2nd. Clear skies then wave cloud am 3rd
3
4
1025.1
8.4
66
16
WNW
8.0
-
12.1
5.5
0.0
2.4
8.91
891
3.3
33
Gusty winds, cloudy pm 3rd. Clearer skies am 4th
4
5
1029.0
9.6
70
13
W
8.0
-
11.5
6.6
0.0
5.0
7.49
721
2.8
34
Sunny periods 4th. Clear skies am 5th
5
6
1028.4
8.7
82
13
W
8.5
-
12.8
5.3
0.0
3.5
3.62
909
2.6
37
Sunny periods 5th. Clear skies am 6th
6
7
1025.2
9.1
80
10
W
9.0
-
11.2
6.7
0.0
5.4
0.21
533
1.6
22
Sunny intervals 6th, gusty wind. Variable cloud am 7th
7
8
1021.7
9.8
72
8
W
8.5
-
17.4
5.6
0.0
2.4
12.89
677
3.7
25
Cloudy 7th. Clear spells am 8th
8
9
1014.8
13.3
73
9
WSW
10.0
-
15.9
10.1
0.1
8.0
7.00
807
2.8
31
Unbroken sunshine 8th. Clear spells 9th. Fohn event.
9
10
1023.3
9.0
75
10
NW
9.0
-
12.9
4.6
0.0
2.7
8.64
919
3.3
30
Sunny periods 9th, shower late afternoon. Clear am 10th
10
11
1020.7
8.6
77
19
W
9.0
-
10.2
5.0
trace
3.6
0.04
671
1.9
44
Sunny periods 10th. Turning cloudy am 11th
11
12
1011.1
8.7
75
17
WNW
9.0
-
11.9
7.4
0.0
6.8
8.30
972
3.4
34
Cloudy 11th. Broken cloud am 12th
12
13
1014.4
7.3
79
12
WNW
8.5
-
12.3
3.8
0.3
2.4
4.46
958
2.6
30
Sunny periods 12th. Clear skies overnight 12th/13th
13
14
1010.7
8.6
79
9
W
9.0
-
10.0
5.9
1.1
4.3
2.58
705
1.8
25
Sunny intervals 13th. Cloudy with showers am 14th
14
15
1012.3
6.4
76
14
WNW
8.5
-
10.7
3.6
0.2
1.9
10.83
984
3.1
31
Heavy shower 1450 GMT 14th. Clear skies am 15th
15
16
1018.4
6.1
81
7
W
8.0
-
7.0
3.7
0.9
1.8
0.02
526
1.2
23
Sunny periods 15th. Clear then cloudy am 16th
16
17
1024.8
6.7
77
1
S
8.5
-
11.0
3.2
0.0
– 0.2
2.03
1011
1.7
22
Light rain am 16th then,cloudy pm. Clear skies am 17th
17
18
1034.2
5.3
73
1
SE
8.0
-
9.9
-0.7
0.0
– 7.3
5.47
891
1.5
15
Sunny intervals pm 17th. Clear skies am 18th. Frost
18
19
1033.5
7.8
82
10
WSW
8.5
-
13.7
5.3
trace
2.3
4.44
844
2.7
26
Suny intervals 18th. Cloudy am 19th
19
20
1031.8
12.4
73
14
W
9.0
-
13.4
9.1
0.0
8.0
5.33
974
2.6
29
Sunny intervals 19th. Cloudy am 20th
20
21
1026.6
10.6
86
15
W
10.0
-
13.2
9.0
0.0
7.6
2.76
1150
2.4
34
Sunny intervals 20th. Variable cloud am 21st
21
22
1030.4
7.5
56
5
NW
9.0
-
11.2
3.4
0.0
0.4
3.60
830
2.1
17
Sunny intervals 21st. Clear skies am 22nd
22
23
1025.5
7.8
69
6
WNW
10.0
-
12.7
3.4
1.4
– 3.5
11.51
951
3.5
32
Sunny intervals 22nd. Clear skies am 23rd
23
24
1012.6
7.6
57
12
WNW
9.0
-
8.9
4.4
0.4
2.0
7.66
1030
3.2
35
Sunny periods 23rd. Heavy shower 0320 GMT 24th
24
25
1015.7
3.9
70
12
NW
8.0
1400P, 900M, 600L
7.7
0.2
0.1
– 2.5
1.94
552
1.8
32
Hail and snow shwrs mid pm 24th. Clear am 25th
25
26
1021.6
5.0
57
8
NW
8.0
-
8.8
0.6
0.0
– 2.4
3.46
935
2.1
17
Large hail 1305 & 1410 GMT 25th. Clear am 26th
26
27
1016.0
8.7
72
11
WNW
8.0
-
13.0
5.3
0.0
2.0
3.78
984
2.3
26
Sunny intervals 26th, cloudy later. Cloudy am 27th
27
28
1016.7
8.2
71
3
N
8.0
-
11.7
2.4
0.0
– 3.9
1.88
744
1.7
20
Sunny intervals 27th. Clear skies then cloudy am 28th
28
29
1012.5
7.9
80
12
SSW
9.0
-
6.3
4.1
0.06
452
Mainly cloudy 28th and am 29th
29
30
 
30
31
 
31
 
   
Total/
Mean
11.8
5.0
4.5
– 7.4
149.29
1150
68.9
47
 
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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