Page updated December 2, 2015 15:48
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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 Site
April 2015 (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)
Temperature
(°C)
Relative
Humidity
(%)
Wind
Speed
(mph)
Wind
Direction
Soil Temp
at 20cm
(°C)
Snow Depth(cm)
1Maximum
Temperature
(°C)
2Minimum
Temperature
(°C)
3Rainfall
(mm)

SEPA
Gauge
4GrassMin
Temp (°C)
5Sunshine
(Hours)
6Max
Wind Speed
(mph)
or
Pentlands snow line(ft)
1
1014.5
4.7
80
16
W
5.0
1200'
8.1
1.1
0.4
-0.8
5.10
34
 Squally snow showers 31st March. Clear a.m 1st
1
2
1020.1
4.5
65
9
WNW
5.0
-
10.0
0.2
4.0
-4.0
4.94
16
 Sunny intervals and showers 1st. Clear and frosty am 2nd
2
3
1014.7
5.9
92
4
SE
6.0
-
7.9
3.0
2.3
2.5
1.19
20
 Sunny intervals 2nd. Rain am 3rd
3
4
1024.4
7.4
85
4
WNW
6.0
-
13.3
4.4
0.2
-0.1
1.28
18
 Rain midday 3rd. Fog evening. Clearer am 4th
4
5
1026.4
9.3
91
3
NW
7.0
-
19.6
4.5
0.0
0.8
12.56
17
 Mainly cloudy 4th. Clearer later with fog am 5th
5
6
1031.9
11.8
80
7
NW
8.0
-
16.8
7.6
0.0
2.5
12.07
23
 Unbroken sunshine 5th. Sun dog obs in evening. Clear am 6th
6
7
1034.8
9.6
84
18
NW
9.0
-
12.8
7.0
0.0
5.0
5.28
27
 Unbroken sunshine 6th. Variable cloud am 7th
7
8
1033.9
8.4
80
2
WNW
7.0
-
15.8
2.6
0.0
-2.6
11.16
15
 Sunny periods pm 7th. Clear skies am 8th
8
9
1024.5
11.9
62
2
NW
8.0
-
18.1
4.9
0.0
0.6
13.27
25
 Unbroken sunshine 8th. Clear skies am 9th
9
10
1014.3
11.9
47
2
WSW
8.0
-
17.1
5.0
1.3
0.8
8.06
43
 Unbroken sunshine 9th. Haze. Clear skies am 10th
10
11
1006.5
5.5
78
15
W
8.0
-
9.0
3.0
3.5
2.1
8.48
40
 Sunny periods 10th. Cloudy am 11th with rain 0600-0640 GMT
11
12
1015.1
3.6
92
10
W
8.0
-
9.7
3.6
1.3
4.3
4.42
34
 Sunshine and showers with snow (1110 GMT) and hail 11th. Rain am 12th
12
13
1026.8
7.4
74
11
SW
8.0
-
11.8
3.2
0.0
1.0
4.39
41
 Rain am 12th. Sunny intervals pm 12th. Variable cloud am 13th
13
14
1016.4
10.8
85
20
WSW
8.5
-
14.3
7.3
1.5
8.8
1.39
40
 Sunny intervals 13th, turning milder. Cloudy am 14th
14
15
1012.5
8.4
86
11
WNW
9.0
-
11.5
7.6
0.0
6.4
8.01
37
 Mainly cloudy 14th. Rain 0300-0630 GMT 15th
15
16
1018.2
8.4
68
2
W
9.0
-
12.6
2.9
0.0
-1.0
13.20
17
 Sunny periods 15th. Clear skies am 16th
16
17
1023.7
7.2
85
6
ESE
9.0
-
12.8
1.9
0.0
-3.6
5.69
17
 Unbroken sunshine 16th. Clear am 17th then cloud from E
17
18
1033.6
8.3
75
12
SE
9.0
-
13.1
2.2
tr
-2.6
13.22
18
 Sunny intervals 17th. Clear skies am 18th
18
19
1030.8
6.2
90
7
ENE
8.5
-
9.0
1.9
0.1
-4.1
1.89
20
 Unbroken sunshine 18th. Cloud from E am 19th
19
20
1031.7
7.6
82
5
SSE
9.0
-
14.3
5.6
0.0
4.3
7.42
17
 Mainly cloudy 19th with low cloud and drizzle at times. Cloudy am 20th
20
21
1035.9
11.2
66
9
W
9.0
-
18.7
5.7
0.0
1.2
14.42
18
 Sunny periods 20th. Clear skies overnight 20th/21st
21
22
1033.7
12.7
70
2
E
9.0
-
18.9
6.2
0.0
0.6
14.46
11
 Unbroken sunshine 21st. Clear skies overnight 21st/22nd
22
23
1019.2
14.6
60
10
W
10.0
-
19.6
8.0
0.0
3.0
14.63
21
 Unbroken sunshine 22nd. Clear, but hazy, am 23rd
23
24
1007.0
10.4
85
5
NNW
11.0
-
15.7
5.8
3.2
4.8
3.60
30
 Unbroken sunshine 23rd. Fog late pm 23rd, early am 24th
24
25
1000.2
4.4
92
4
NNW
11.0
-
11.4
3.7
0.0
3.2
7.00
22
 Sunny intervals early pm 24th then cloudy later. Rain am 25th
25
26
1008.5
6.4
66
10
W
9.5
-
9.9
1.6
0.3
-0.6
11.51
31
 Sunny periods 25th. Clear am 26th
26
27
1009.2
5.7
52
9
W
9.0
-
8.6
0.4
1.4
-2.0
7.71
31
 Sunny periods 26th with hail showers @ 1430GMT. Clear skies am 27th
27
28
1007.0
5.4
73
19
W
9.0
-
8.1
1.7
2.6
-0.1
9.07
33
 Sunny periods 27th. Hail 1550GMT, wet snow 1630-1730GMT 27th
28
29
1002.1
5.2
84
19
WSW
9.0
-
8.3
2.8
4.8
1.3
4.57
37
 Sunny periods 28th, showers mid afternoon. Occ showers am 29th.
29
30
1009.6
6.5
72
7
N
8.5
-
11.8
3.6
0.5
1.3
4.65
20
 Rain 0900-1230GMT 29th. Showers pm 29th.
30
                           
Total/
Mean
 
 
13.0
4.0
27.4
234.64
 
Date
 
Pressure
(mb)
Temperature
(°C)
Relative
Humidity
(%)
Wind
Speed (mph)
Wind
Direction
Soil Temp
at 20cm
(°C)
Snow Depth(cm)
1Maximum
Temperature
(°C)
2Minimum
Temperature
(°C)
3Rainfall
(mm)

SEPA
Gauge
4GrassMin'm
Temperature
(°C)
5Sunshine
(Hours)
6Maximum
Wind Speed
(mph)
or
Pentlands Snow line(ft)
 
  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 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
* 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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