|
Fair Isle Weather - August 1999
[Briefly].
[Detail]
|
|
1999 |
Day |
1974-98 |
|
|
1999 |
Day |
1974-98 |
|
Mean Maximum Temperature |
14.1 |
|
13.8 |
|
Highest Max temp |
18.7 |
4 |
20.2 |
|
Mean Minimum Temperature |
10.3 |
|
10.3 |
|
Lowest Min temp |
7.6 |
10 |
4.4 |
|
Mean Sea Temperature |
12.8 |
|
12.0 |
|
Lowest grass minimum |
1.0 |
24 |
-3.7 |
|
30 cm Earth temperature |
13.1 |
|
12.3 |
|
Days with ground frost |
0 |
|
0.5 |
|
100cm Earth temperature |
12.2 |
|
11.4 |
|
Days with air frost |
0 |
|
0.0 |
|
Total Rainfall (mm) |
51.8 |
|
61.4 |
|
Days with snow/sleet |
0 |
|
0.0 |
|
Wettest Day (mm) |
13.5 |
25 |
13.4 |
|
Days with snow cover at 09hr |
0 |
|
0.0 |
|
Rain Days (> 0.1mm) |
11 |
|
17.2 |
|
Days with hail |
0 |
|
0.2 |
|
Wet Days (> 0.9mm) |
8 |
|
11.5 |
|
Days with fog during 24hrs |
8 |
|
12.0 |
|
Total sunshine, hrs |
207.2 |
|
145.6 |
|
Days with fog at 09hrs |
2 |
|
4.0 |
|
Sunniest day, hrs |
15.3 |
4 |
13.1 |
|
Days with NIL sun |
4 |
|
4.9 |
|
Mean wind speed, kts |
10.6 |
|
11.5 |
|
Days with gale |
0 |
|
0.6 |
|
Maximum gust, kts |
38 |
29 |
45.6 |
|
Days with thunder |
0 |
|
0.4 |
|
Mean Sea Level pressure |
1013.7 |
|
1012.9 |
|
Days with aurora |
3 |
|
1.0 |
|
|
|
|
|
|
|
|
|
|
|
Wind Direction
(%) North |
19.4 |
|
11.2 |
|
Wind Direction (%) S. West |
6.5 |
|
13.3 |
|
at 09
hr
N. East |
19.4 |
|
5.0 |
|
at 09
hr
West |
12.9 |
|
17.4 |
|
East |
6.5 |
|
9.3 |
|
N. West |
6.5 |
|
9.7 |
|
S. East |
16.1 |
|
13.9 |
|
|
|
|
|
|
South |
12.9 |
|
17.7 |
|
CALM |
0.0 |
|
2.2 |
 

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