large data set Flashcards
(32 cards)
what is daily mean temperature measured in
degrees C
what is the typical range of daily mean temperature
5C-24C
what is daily total rainfall measured in
mm
what is the typical range of daily total rainfall
0-20mm
what is daily total sunshine measured in
hours
what is the typical range of daily total sunshine
0-14 hours
what is cloud cover measured in
oktas
what is the typical range for cloud cover
0 to 8
what is humidity measured in
%
what is the typical range for humidity
70-100%
what percentage humidity is associated with fog
95%
what is visibility measured in
decameters
what is the value of one decametre in meters
10 meters
what is the typical range of visibility
200-4000 dm
what is daily mean pressure measured in
hectopascals (hPa)
what is the typical range for daily mean pressure
990-1040kPa
what is a trace value for rainfall
a value between 0 < r < 0.05
when cleaning data what are trace values replaced with
0 or 0.025
what is daily mean windspeed measured in
Kn (knots)
what is the typical range of daily mean windspeed
3-10 kn
what is the Beaufort conversion for windspeed
qualitative measure of windspeed
light, moderate, fresh, strong
what is the typical range for Beaufort conversion
light to moderate
what is daily maximum gust measured in
Kn (knots)
what is the typical range of daily maximum gust
8-50 Kn
