|
Fair Isle Weather - July 1999
[Summary].
[Details}
|
|
1999 |
Day |
1974-98 |
|
|
1999 |
Day |
1974-98 |
|
Mean Maximum Temperature |
13.4 |
|
13.1 |
|
Highest Max temp |
15.1 |
8 |
20.1 |
|
Mean Minimum Temperature |
10.0 |
|
9.8 |
|
Lowest Min temp |
8.1 |
3 |
4.2 |
|
Mean Sea Temperature |
12.3 |
|
11.2 |
|
Lowest grass minimum |
4.3 |
19 |
-1.8 |
|
30 cm Earth temperature |
13.0 |
|
11.9 |
|
Days with ground frost |
0 |
|
0.3 |
|
100cm Earth temperature |
11.6 |
|
10.6 |
|
Days with air frost |
0 |
|
0.0 |
|
Total Rainfall (mm) |
41.6 |
|
51.6 |
|
Days with snow/sleet |
0 |
|
0.0 |
|
Wettest Day (mm) |
16.9 |
22 |
13.2 |
|
Days with snow cover at 09hr |
0 |
|
0.0 |
|
Rain Days (> 0.1mm) |
17 |
|
17.0 |
|
Days with hail |
0 |
|
0.0 |
|
Wet Days (> 0.9mm) |
12 |
|
10.4 |
|
Days with fog during 24hrs |
13 |
|
14.9 |
|
Total sunshine, hrs |
124.9 |
|
137.0 |
|
Days with fog at 09hrs |
6 |
|
4.6 |
|
Sunniest day, hrs |
11.7 |
11 |
14.5 |
|
Days with NIL sun |
7 |
|
5.3 |
|
Mean wind speed, kts |
12.5 |
|
11.4 |
|
Days with gale |
0 |
|
0.2 |
|
Maximum gust, kts |
35 |
17 |
41.8 |
|
Days with thunder |
0 |
|
0.6 |
|
Mean Sea Level pressure |
1014.5 |
|
1013.3 |
|
Days with aurora |
0 |
|
0.0 |
|
|
|
|
|
|
|
|
|
|
|
Wind Direction
(%) North |
6.5 |
|
8.8 |
|
Wind Direction (%) S. West |
16.1 |
|
12.9 |
|
at 09
hr
N. East |
0.0 |
|
4.2 |
|
at 09
hr
West |
22.6 |
|
18.2 |
|
East |
12.9 |
|
11.8 |
|
N. West |
9.7 |
|
13.7 |
|
S. East |
22.6 |
|
17.4 |
|
|
|
|
|
|
South |
9.7 |
|
11.5 |
|
CALM |
0.0 |
|
1.4 |
 

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