Page updated April 21, 2019 22:21
Link to March 2019..Link to May 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
April 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
1019.8
6.0
66
13
S
7.0
7.9
3.5
1.5
1.6
3.62
613
1.75
31
Unbroken sunshine 31st March. Broken cloud and stronger winds am 1st
1
2
1001.0
4.7
86
5
WNW
7.0
8.9
3.0
10.0
2.0
6.25
860
1.91
20
Sunny intervals 1st. Rain am 2nd
2
3
995.8
1.3
95
10
WNW
6.5
1 cm
6.5
1.2
15.7
– 0.1
0.80
768
0.79
31
Large hail and thunder pm 2nd, snow later. Snow am 3rd. 1cm @ 0900h
3
4
996.5
2.4
97
6
SE
6.0
PML 1000'
8.1
1.1
3.6
– 0.2
2.15
830
1.04
36
Rain, wet snow and hail at times 3rd and 4th
4
5
1004.7
7.9
78
12
SSE
7.0
12.3
2.3
0.3
2.0
8.61
751
3.15
32
Rain, wet snow and hail am/early pm 4th. Cloudy and dry am 5th
5
6
1009.8
3.8
97
3
NW
8.0
6.3
2.3
5.5
– 1.6
0.00
47
0.05
20
Sunny periods 5th. Clear overnight then light rain am 6th
6
7
1013.2
5.8
99
10
E
6.0
6.2
3.8
0.9
5.4
0.00
84
0.18
21
Low cloud, fog, rain and drizzle, 6th and am 7th
7
8
1017.4
5.4
91
8
ESE
7.0
7.4
4.6
0.0
4.1
0.15
403
0.99
21
Low cloud, fog lifting by eve'g 7th. Cloudy am 8th
8
9
1022.0
7.2
77
16
ESE
6.5
10.4
3.4
0.0
1.9
9.66
891
2.13
23
Cloudy 8th. Clearer skies am 9th
9
10
1024.7
5.8
77
2
SSE
6.0
11.4
– 0.8
0.0
– 6.8
12.21
831
2.36
16
Prolonged sunshine 9th. Clear skies and air frost am 10th
10
11
1026.0
7.9
70
7
W
6.0
13.2
0.5
0.0
– 5.2
7.92
864
2.31
14
Unbroken sunshine 10th. Clear skies and ground frost am 11th
11
12
1027.8
7.4
72
2
NE
7.0
11.3
1.7
0.0
– 3.5
2.77
846
2.29
23
Sunny periods 11th. Clear am 12th, cloud after sunrise
12
13
1030.4
6.2
63
13
SE
6.0
9.4
– 0.2
0.0
– 2.7
10.96
946
2.95
30
Sunny intervals 12th. Clear skies with some air frost overnight 12th/13th
13
14
1029.2
6.1
64
13
SSE
5.5
9.4
0.3
0.0
– 2.2
2.77
967
2.16
28
Prolonged sunshine 13th. Clear skies am14th
14
15
1024.5
6.4
75
15
SE
6.0
10.7
0.7
0.0
– 3.9
7.43
768
3.05
37
Sunny intervals 14th. Clear skies am 15th then more cloud from E
15
16
1019.5
8.1
87
9
SSE
6.5
10.8
6.1
0.0
5.1
0.00
418
1.55
27
Sunny periods 15th, low cloud later. Cloudy am 16th
16
17
1023.8
7.6
84
8
SSE
7.0
13.4
5.1
0.0
4.1
6.61
714
1.98
19
Cloudy 16th and am 17th
17
18
1029.1
6.4
97
5
ESE
7.0
15.1
4.7
0.0
2.0
7.49
666
2.05
15
Sunny intervals 17th. Fog later and am 18th
18
19
1031.6
12.2
83
2
SSE
8.0
20.6
5.1
0.0
0.5
11.48
696
3.43
19
Sunny periods 18th, hazy. Clear skies am 19th
19
20
1030.5
17.2
54
2
NNE
9.0
23.7
11.5
0.0
9.4
11.56
701
4.24
21
Prolonged hazy sunshine 19th. Haze am 20th
20
21
1018.4
17.5
58
8
SW
9.0
14.2
9.6
11.43
714
Prolonged hazy sunshine 20th, RH 35% 1330 GMT. Haze am 21st.
21
22
 
22
23
 
23
24
 
24
25
 
25
26
 
26
27
 
27
28
 
28
29
 
29
30
 
30
31
 
31
 
Total/
Mean
11.2
3.5
37.5
– 6.8
123.86
967
40.36
37
 
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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