Page updated May 1, 2020 10:48
Link to March 2020..Link to May 2020

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Swanston Weather Station
April 2020 (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
1021.7
6.3
73
11
WNW
6.5
10.4
3.9
0.2
2.4
5.21
930
2.39
29
 Sunny intervals 31st March, clear spells am 1st April
1
2
1006.2
7.5
80
17
W
7.0
9.4
5.7
0.0
5.2
7.80
879
2.43
49
 Sunny periods 1st. Shower am 2nd, gusty winds 49 mph
2
3
1012.2
3.6
79
10
W
6.5
7.1
1.1
0.0
– 1.4
0.57
403
1.45
27
 Sunny periods 2nd. Clear skies early 3rd, with ground frost, then cloudy.
3
4
1014.7
8.1
70
9
WSW
6.0
10.5
5.1
0.1
3.4
1.32
531
2.01
28
 Mainly cloudy 3rd and am 4th
4
5
1009.9
9.1
68
8
SE
6.5
19.1
5.9
0.0
4.0
5.39
740
3.94
42
 Mainly cloudy 4th, light showers late afternoon. Cloudy am 5th
5
6
1006.2
9.8
65
13
WSW
8.0
12.2
8.7
0.0
7.0
6.61
842
3.51
47
 Cloudy am 5th, cloud breaking afternoon to much warmer. Cloudy and gusty am 6th
6
7
1027.3
8.2
71
8
SW
8.0
14.7
5.1
0.0
2.4
12.55
842
3.33
26
 Sunny periods 6th. Clear skies am 7th
7
8
1023.2
11.2
66
9
W
8.0
16.4
7.4
1.0
4.7
9.73
947
3.94
29
 Unbroken sunshine 7th. Clear am 8th
8
9
1028.4
6.1
90
10
SE
8.0
11.3
4.2
0.0
4.4
0.00
339
1.19
19
 E'y wind set in evening 8th, temp fell by 7 degC. Light showers am 9th
9
10
1024.6
7.2
92
0
SE
8.0
13.8
5.1
0.6
2.8
0.59
733
1.35
12
 Cooler 9th, overcast. Haar overnight 9th/10th
10
11
1019.5
11.9
85
12
W
9.0
15.7
7.2
0.0
8.3
7.27
802
3.48
28
 Cloudy 10th, heavy shower late pm. Cloudy and mild am 11th
11
12
1015.6
8.7
74
0
W
9.0
12.5
7.2
0.0
6.4
4.69
649
2.41
32
Sunny periods 11th. Cloudy am 12th
12
13
1033.2
3.7
57
6
ESE
8.5
7.8
2.7
0.0
2.3
5.77
886
2.31
24
 Sunny intervals 12th, colder easterlies from late afternoon. Variable cloud am 13th
13
14
1027.0
6.9
65
12
W
8.0
13.0
1.7
0.0
– 3.7
10.04
788
3.65
30
 Sunny periods 13th. Clear skies am 14th with ground frost
14
15
1021.5
7.9
74
15
W
8.0
15.0
4.2
0.0
2.4
13.08
798
2.07
33
 Prolonged sunshine 14th. Clear early am 15th
15
16
1020.5
7.2
86
8
E
8.5
9.7
3.6
0.0
– 0.9
0.45
257
1.35
23
 Unbroken sunshine 15th. Clear, ground frost, then turning cloudy am 16th
16
17
1022.6
7.2
80
6
ESE
8.0
9.2
5.3
0.0
4.2
1.00
315
1.45
19
 Mainly overcast 16th. Cloudy am 17th
17
18
1022.6
6.2
67
10
ESE
8.0
10.2
3.1
0.0
1.2
10.34
861
3.15
22
 Mainly overcast 17th, cloud clearing later. Clear skies early am 18th.
18
19
1026.2
8.3
72
6
ESE
8.5
14.3
0.9
0.0
– 4.4
14.08
784
3.30
21
 Prolonged sunshine 18th. Clear skies am 19th, ground frost
19
20
1027.5
10.1
59
12
ESE
8.5
14.1
2.3
0.0
– 2.3
14.26
756
4.09
32
 Unbroken sunshine 19th. Clear skies am 20th, ground frost
20
21
1027.7
9.2
82
9
E
9.0
14.3
1.9
0.0
– 3.5
13.87
793
3.48
28
 Unbroken sunshine 20th. Clear skies am 21st, ground frost
21
22
1028.3
10.2
82
7
E
9.0
12.3
3.8
0.0
– 0.5
13.67
740
2.74
21
 Unbroken sunshine 21st. Clear skies am 22nd, ground frost
22
23
1025.8
8.1
84
5
ENE
9.0
13.8
5.7
0.0
5.0
9.25
705
2.46
13
 Unbroken sunshine 22nd. Low cloud am 23rd
23
24
1018.4
9.9
81
1
NE
10.0
16.3
2.8
0.0
– 1.9
14.43
768
2.79
14
 Prolonged sunshine 23rd. Clear skies am 24th, ground frost
24
25
1015.6
6.5
87
2
N
10.0
14.7
4.4
0.0
3.7
7.50
756
2.57
10
 Unbroken sunshine 24th. Low cloud clearing am 25th
25
26
1010.1
8.7
69
10
N
11.0
14.6
6.0
0.0
1.7
9.97
1125
3.94
24
 Sunny periods 25th. Low cloud clearing slowly am 26th
26
27
1008.6
8.5
65
4
NW
11.0
12.6
3.1
0.0
– 0.1
11.04
1069
2.87
18
 Prolonged sunshine 26th. Clear skies am 27th, ground frost
27
28
1008.4
6.5
71
6
ESE
10.0
10.8
4.6
trace
3.1
4.60
1120
2.39
18
 Prolonged sunshine 27th. Clear becoming cloudy am 28th
28
29
1001.6
6.8
76
6
SE
10.0
9.4
4.7
2.3
3.4
0.28
443
1.45
24
Sunny intervals 28th, a few spots of rain evening. Variable cloud am 29th
29
30
989.4
6.7
72
0
Calm
9.0
12.9
3.2
0.0
– 0.4
0.93
1004
1.73
22
Showers evening of 29th. Ground frost am 30th, rain later
30
31
                                
31
                               
Total/
Mean
12.6
4.4
1.9
-4.4
215.37
1125
78.79
49
  
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)

Monthly Summary (to 0900 GMT on the 1st May)

Overall mean temperature 8.5 (+ 0.7 degC of normal)

Precipitation 4.2 mm (7.6%), Sunshine 216.30 hours (149.2%)
 
  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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