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October 17, 2021 13:09
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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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MEDIA USE PLEASE CONTACT ME FIRST
April 2021 (Means and totals to date are at foot of table)
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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) @ 0900 GMT |
1Maximum Temp (°C) |
2Minimum Temp (°C) |
3Rainfall (mm) |
4Grass Min Temp (°C) |
5Sun (Hours) |
Solar |
7ET (mm) |
6Max Wind Speed (mph) |
||
1 |
1031.2 |
4.2 |
83 |
3 |
ENE |
7.5 |
7.2 |
3.7 |
0.0 |
2.3 |
6.30 |
814 |
1.22 |
18 |
Overcast 31st March. Turning much colder with rain and drizzle pm. Overcast am 1st April | 1 |
|
2 |
1035.0 |
3.3 |
78 |
2 |
WNW |
6.5 |
10.2 |
– 1.0 |
0.0 |
– 6.5 |
5.39 |
932 |
1.62 |
9 |
Sunny periods 1st. Clear skies with air frost am 2nd. 5.3h<0C | 2 |
|
3 |
1035.9 |
7.1 |
73 |
3 |
SSE |
7.0 |
14.9 |
– 0.1 |
0.0 |
– 4.9 |
13.15 |
652 |
2.44 |
18 |
Sunny periods 2nd. Clear skies with brief air frost am 3rd. 0.2h<0C | 3 |
|
4 |
1022.1 |
5.9 |
79 |
9 |
SW |
7.0 |
9.6 |
5.2 |
0.1 |
4.2 |
6.32 |
810 |
2.18 |
40 |
Unbroken sunshine 3rd. Cloud amount increasing am 4th. Gusty wind from SW | 4 |
|
5 |
1019.4 |
0.4 |
53 |
10 |
NW |
6.5 |
<50% cover |
5.5 |
– 2.5 |
0.0 |
– 4.0 |
10.85 |
942 |
2.36 |
33 |
Sunny periods 4th. Turning much colder early am 5th with snow/hail showers. 8.5h<0c | 5 |
6 |
1020.7 |
1.9 |
62 |
6 |
WNW |
6.0 |
4.3 |
– 1.7 |
0.0 |
– 3.2 |
8.97 |
896 |
1.98 |
30 |
Prolonged sunshine 5th. Light snow and hail showers am 6th. 8.7h<0C | 6 |
|
7 |
1021.8 |
1.9 |
64 |
6 |
NW |
5.0 |
7.7 |
– 1.7 |
0.0 |
– 4.0 |
0.85 |
949 |
1.63 |
17 |
Prolonged sunshine 6th, a few light snow/hail showers. Clear skies am 7th, 7.9h<0C | 7 |
|
8 |
1009.7 |
7.7 |
85 |
9 |
SSW |
6.0 |
9.7 |
1.9 |
0.9 |
0.5 |
4.09 |
788 |
1.98 |
47 |
Mainly overcast 7th and am 8th. Turning less cold | 8 |
|
9 |
1011.2 |
3.9 |
65 |
4 |
WNW |
6.0 |
7.8 |
0.4 |
0.0 |
– 2.2 |
10.42 |
849 |
2.11 |
20 |
Cold front with gusty winds (47 mph) early evening 8th. Clear skies am 9th | 9 |
|
10 |
1017.1 |
3.1 |
65 |
3 |
NW |
5.5 |
6.9 |
– 1.6 |
1.9 |
– 4.7 |
10.34 |
863 |
1.65 |
16 |
Prolonged sunshine 9th, clear skies am 10th. 8.3h<0c am 10th | 10 |
|
11 |
1020.9 |
2.2 |
69 |
3 |
WNW |
5.5 |
<50% cover |
6.7 |
– 2.0 |
0.3 |
– 6.1 |
8.85 |
865 |
1.70 |
21 |
Snow and hail showers (large hail) pm 10th. Clear skies am 11th, 9.3h<0C | 11 |
12 |
1027.6 |
3.4 |
62 |
3 |
WNW |
5.0 |
9.4 |
– 1.7 |
0.0 |
– 4.8 |
13.40 |
747 |
2.51 |
15 |
Light snow showers 11th. Clear skies am 13th with 9.2h<0C |
12 |
|
13 |
1032.0 |
5.8 |
73 |
3 |
WNW |
6.0 |
10.9 |
1.4 |
0.0 |
– 3.0 |
9.11 |
879 |
1.80 |
10 |
Unbroken sunshine 12th, clear skies am 13th | 13 |
|
14 |
1034.6 |
6.4 |
75 |
2 |
NW |
6.0 |
12.7 |
– 0.7 |
0.0 |
– 5.0 |
13.65 |
777 |
2.46 |
10 |
Prolonged sunshine 13th, clear skies am 14th with 2.7h<0C | 14 |
|
15 |
1034.7 |
9.1 |
53 |
1 |
ESE |
6.5 |
13.1 |
2.3 |
0.0 |
– 3.3 |
13.95 |
708 |
3.07 |
15 |
Unbroken sunshine 14th, clear skies am 15th | 15 |
|
16 |
1031.1 |
8.1 |
66 |
1 |
NW |
6.5 |
14.6 |
0.9 |
0.0 |
– 4.4 |
12.10 |
772 |
2.90 |
13 |
Unbroken sunshine 15th, clear skies am 16th | 16 |
|
17 |
1029.7 |
9.9 |
52 |
2 |
WNW |
7.0 |
14.7 |
2.8 |
0.0 |
– 2.9 |
12.63 |
772 |
3.20 |
16 |
Prolonged sunshine 16th, clear skies am 17th | 17 |
|
18 |
1024.6 |
8.5 |
61 |
4 |
S |
7.0 |
12.2 |
6.7 |
0.0 |
2.7 |
0.00 |
352 |
1.91 |
17 |
Prolonged sunshine 17th, becoming overcast am 18th | 18 |
|
19 |
1021.1 |
10.4 |
70 |
1 |
WNW |
8.5 |
17.6 |
7.7 |
0.0 |
5.9 |
6.62 |
765 |
2.95 |
18 |
Overcast 18th. Variable cloud amount am 19th | 19 |
|
20 |
1018.6 |
9.6 |
75 |
4 |
NW |
9.0 |
13.5 |
6.8 |
2.3 |
1.1 |
7.78 |
717 |
1.73 |
14 |
Sunny periods 19th, variable cloud amount am 20th | 20 |
|
21 |
1025.4 |
6.3 |
72 |
3 |
ENE |
9.0 |
9.8 |
3.5 |
0.0 |
1.4 |
14.40 |
763 |
2.69 |
18 |
Sunny periods 20th, rain in evening. Clear skies am 21st | 21 |
|
22 |
1027.2 |
9.7 |
63 |
3 |
WNW |
8.0 |
17.2 |
1.6 |
0.0 |
– 2.1 |
14.44 |
749 |
3.02 |
13 |
Unbroken sunshine 21st, clear skies am 22nd | 22 |
|
23 |
1028.6 |
12.1 |
56 |
1 |
NW |
9.0 |
17.6 |
2.7 |
0.0 |
– 2.1 |
11.11 |
816 |
3.05 |
14 |
Unbroken sunshine 22nd, clear skies am 23rd | 23 |
|
24 |
1031.5 |
8.6 |
76 |
2 |
ENE |
9.5 |
12.1 |
5.8 |
0.0 |
5.3 |
10.11 |
898 |
2.29 |
18 |
Prolonged sunshine 23rd. Increased cloud later 23rd and am 24th. Haar | 24 |
|
25 |
1032.3 |
7.8 |
70 |
1 |
NE |
9.5 |
12.6 |
2.5 |
0.0 |
1.0 |
13.23 |
740 |
2.79 |
14 |
Prolonged sunshine 24th. Clear skies am 25th | 25 |
|
26 |
1021.7 |
10.1 |
64 |
4 |
SW |
9.5 |
12.9 |
6.9 |
3.5 |
1.1 |
0.87 |
990 |
1.68 |
31 |
Unbroken sunshine 25th, becoming overcast am 26th | 26 |
|
27 |
1010.5 |
6.1 |
94 |
4 |
NW |
9.0 |
7.3 |
5.7 |
1.1 |
3.3 |
0.62 |
322 |
0.43 |
22 |
Showers evening 26th, rain am 27th. Turning colder from NE | 27 |
|
28 |
1015.5 |
6.1 |
75 |
5 |
ENE |
9.0 |
9.8 |
3.7 |
0.0 |
2.6 |
4.19 |
1028 |
2.13 |
21 |
Mainly overcast 27th and am 28th. Occasional showers. Colder | 28 |
|
29 |
1014.7 |
5.8 |
74 |
3 |
N |
9.0 |
9.3 |
2.3 |
1.4 |
– 0.6 |
5.64 |
1027 |
1.80 |
14 |
Sunny intervals 28th, clear skies am 29th |
29 |
|
30 |
1018.4 |
7.2 |
72 |
5 |
ENE |
9.0 |
10.2 |
2.8 |
0.0 |
0.1 |
8.56 |
858 |
2.87 |
16 |
Sunny intervals 29th. shower evening. Showers am 30th |
30 |
|
31 |
31 |
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Total/ Mean |
10.9
|
2.1
|
11.5
|
– 6.5
|
258.14 | 1028
|
66.15 | 47
|
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) |
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) |
April 2021 summary (to 0900 GMT on the 1st May) Overall mean temperature 6.5C (– 1.2 degC of normal) Precipitation 11.5 mm (20.9%), Sunshine 258.14 hours (184.4%) |
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0900 GMTreadings |
Daily Readings (see notes below) |
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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 |