Large Data Set units Flashcards
1
Q
Mean temperature
A
°C
2
Q
Total rainfall
A
mm
<0.05mm tr(ace)
3
Q
Total Sunshine
A
hours
4
Q
Mean wind direction
A
NESW directions
bearings about North
5
Q
Mean windspeed
A
knots
1kn = 1.15mph
Beaufort scale
0-5; calm:<1kn, light:1-10kn, moderate:11-16kn, fresh:17-21kn
6
Q
Maximum gust
Maximum gust (direction)
A
kn
NESW directions
bearings about North
7
Q
Maximum relative humidity
A
% air saturation of water vapour
>95% mist or fog
8
Q
Mean cloud cover
A
Oktas
eighths of the sky covered
9
Q
Mean visibility
A
Dm decametres
10
Q
Mean pressure
A
hPa hectopascals
