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September 1, 2021 11:19
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to September 2021
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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August2021 (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 |
1012.8 |
12.4 |
80 |
2 |
NW |
17.0 |
17.6 |
9.6 |
0.0 |
8.0 |
5.05 |
673 |
1.93 |
10 |
Overcast 31st July. Rain early am 1st then cloud clearing | 1 |
|
2 |
1013.7 |
14.7 |
74 |
2 |
SW |
17.0 |
18.5 |
9.4 |
0.0 |
7.2 |
7.50 |
1044 |
2.54 |
11 |
Sunny intervals 1st, clear skies overnight 1st/2nd | 2 |
|
3 |
1012.3 |
15.2 |
78 |
1 |
WNW |
16.5 |
18.8 |
9.6 |
0.0 |
5.8 |
4.24 |
962 |
1.52 |
14 |
Sunny periods 2nd, clear skies am 3rd | 3 |
|
4 |
1011.4 |
18.5 |
68 |
3 |
SSE |
18.0 |
23.3 |
11.8 |
0.0 |
6.2 |
12.08 |
969 |
3.45 |
17 |
Sunny intervals 3rd. Clear skies am 4th | 4 |
|
5 |
1002.4 |
17.1 |
71 |
4 |
SSE |
18.0 |
21.0 |
13.0 |
4.5 |
8.6 |
1.65 |
1134 |
2.29 |
19 |
Prolonged sunshine 4th. Mainly overcast am 5th | 5 |
|
6 |
990.7 |
15.7 |
95 |
1 |
ENE |
17.0 |
19.7 |
14.0 |
28.3 |
13.5 |
1.04 |
1095 |
1.45 |
19 |
Mainly cloudy 5th, rain am 6th | 6 |
|
7 |
990.5 |
15.9 |
81 |
4 |
SE |
18.0 |
20.2 |
13.3 |
3.8 |
12.6 |
2.30 |
888 |
2.34 |
18 |
Thunderstorm 1325 GMT-1350 GMT, 6th, hi rain rate 188 mm/h+large hail. Cloudy am 7th | 7 |
|
8 |
994.2 |
15.7 |
92 |
3 |
WNW |
17.5 |
18.4 |
13.7 |
4.8 |
13.1 |
0.60 |
640 |
1.24 |
15 |
Mainly cloudy 7th, showers early am 8th | 8 |
|
9 |
1004.1 |
16.8 |
86 |
3 |
SW |
17.0 |
17.1 |
13.2 |
9.5 |
12.0 |
0.97 |
687 |
1.27 |
13 |
Showers 8th, overcast am 9th | 9 |
|
10 |
1011.9 |
16.1 |
85 |
1 |
NW |
17.0 |
21.7 |
12.1 |
0.0 |
10.4 |
9.43 |
953 |
2.59 |
13 |
Showers pm 9th, heavy at times. Cloud clearing am 10th | 10 |
|
11 |
1011.6 |
16.4 |
80 |
6 |
SSE |
17.5 |
17.7 |
12.9 |
2.2 |
10.7 |
0.67 |
452 |
1.63 |
23 |
Sunny periods 10th, becoming overcast am 11th | 11 |
|
12 |
1012.3 |
16.1 |
76 |
4 |
SSE |
16.5 |
18.2 |
8.8 |
0.0 |
7.0 |
6.88 |
886 |
2.44 |
32 |
Rain late afternoon/early evening 11th. Cloud clearing am 12th |
12 |
|
13 |
1010.5 |
14.8 |
77 |
8 |
SW |
16.0 |
18.2 |
12.1 |
0.4 |
9.9 |
6.56 |
997 |
2.72 |
25 |
Sunny periods 12th, variable cloud amount am 13th | 13 |
|
14 |
1013.2 |
15.2 |
80 |
8 |
SW |
15.5 |
18.6 |
11.0 |
0.0 |
6.9 |
9.57 |
1076 |
3.15 |
24 |
Shower late afternoon 13th, clear skies am 14th | 14 |
|
15 |
1010.2 |
12.1 |
88 |
2 |
SW |
16.0 |
18.1 |
10.9 |
0.0 |
7.1 |
2.59 |
939 |
1.85 |
19 |
Sunny periods14th, becoming overcast am 15th | 15 |
|
16 |
1014.1 |
15.0 |
73 |
4 |
WNW |
16.0 |
19.5 |
11.4 |
1.1 |
8.7 |
6.99 |
970 |
2.82 |
16 |
Sunny intervals 15th, variable cloud amount am 16th | 16 |
|
17 |
1014.6 |
15.6 |
84 |
6 |
W |
16.5 |
20.8 |
12.8 |
0.0 |
10.3 |
9.29 |
1042 |
2.97 |
18 |
Sunny periods 16th, rain early am 17th | 17 |
|
18 |
1012.2 |
15.2 |
86 |
8 |
WNW |
16.0 |
19.7 |
12.1 |
0.0 |
8.8 |
10.21 |
863 |
3.02 |
21 |
Sunny periods 17th, clear skies am 18th | 18 |
|
19 |
1011.0 |
14.3 |
77 |
0 |
S |
16.0 |
15.9 |
11.3 |
0.0 |
8.1 |
1.27 |
606 |
1.27 |
13 |
Sunny periods 18th. Clear skies, turning overcast, am 19th | 19 |
|
20 |
1013.3 |
15.4 |
2 |
1 |
NE |
15.5 |
18.0 |
10.1 |
5.0 |
6.7 |
3.37 |
717 |
1.37 |
8 |
Mainly overcast 19th. Fog am 20th, clearing by 0900h | 20 |
|
21 |
1013.3 |
16.3 |
93 |
1 |
SE |
16.5 |
18.1 |
15.4 |
8.2 |
13.4 |
0.00 |
311 |
0.74 |
19 |
Sunny intervals 20th, overcast later. Rain am 21st, mild overnight | 21 |
|
22 |
1019.3 |
15.1 |
97 |
0 |
WNW |
16.5 |
19.4 |
13.6 |
1.1 |
11.6 |
1.38 |
916 |
1.32 |
12 |
Overcast with fog at times 21st and am 22nd | 22 |
|
23 |
1030.5 |
14.0 |
97 |
1 |
NNE |
17.0 |
18.8 |
12.5 |
0.0 |
9.0 |
6.27 |
916 |
1.65 |
8 |
Overcast with fog at times 22nd and am 23rd | 23 |
|
24 |
1033.0 |
14.3 |
98 |
1 |
NNW |
17.0 |
22.9 |
11.8 |
0.1 |
8.0 |
9.74 |
701 |
2.67 |
8 |
Fog early and late 23rd. Fog am 24th | 24 |
|
25 |
1028.7 |
14.0 |
97 |
1 |
E |
17.0 |
22.3 |
13.1 |
0.0 |
7.5 |
9.10 |
661 |
2.44 |
10 |
Sunny periods 24th, fog am 25th | 25 |
|
26 |
1026.1 |
12.8 |
86 |
2 |
SSE |
17.0 |
17.7 |
11.5 |
0.0 |
10.2 |
7.39 |
967 |
2.11 |
11 |
Sunny periods 25th, fog later. Overcast am 26th, cooler from NE | 26 |
|
27 |
1026.7 |
12.6 |
80 |
2 |
ENE |
16.5 |
16.6 |
10.6 |
0.0 |
8.8 |
8.31 |
772 |
2.34 |
12 |
Sunny periods 26th. Overcast late 26th and am 27th | 27 |
|
28 |
1028.0 |
14.5 |
83 |
2 |
WNW |
15.5 |
21.1 |
8.8 |
0.0 |
3.4 |
12.01 |
675 |
2.72 |
8 |
Sunny periods 27th. Clear skies overnight 27th/28th | 28 |
|
29 |
1029.0 |
12.7 |
93 |
1 |
SE |
16.0 |
15.8 |
12.0 |
0.0 |
7.7 |
0.17 |
278 |
1.12 |
11 |
Prolonged sunshine 28th. Clear overnight, turning overcast am 29th |
29 |
|
30 |
1031.4 |
12.4 |
87 |
3 |
NNW |
15.5 |
15.0 |
11.2 |
0.0 |
9.3 |
0.28 |
831 |
1.27 |
13 |
Overcast and dull 29th and am 30th |
30 |
|
31 |
1035.3 |
11.7 |
85 |
3 |
NNW |
15.5 |
16.4 |
10.6 |
0.0 |
6.8 |
0.00 |
413 |
1.47 |
12 |
Overcast and mainly dull 30th and am 31st |
31 |
|
Total/ Mean |
18.9
|
11.7 |
69.0
|
3.4
|
157.49 |
1134
|
63.70 | 32
|
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) |
August 2021 summary (to 0900 GMT on the 1st September) Overall mean temperature 15.3C (+ 1.1 degC of normal) Precipitation 69.0 mm (92.0%), Sunshine 157.49 hours (101.6%) |
||
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 |