large data set Flashcards
what is daily mean temp measured in
degrees C
what is daily totally rainfall measured in
mm
what is daily mean windspeed measured in
beaufort scale
fresh, light, moderate, strong
what is gust measured in
knots (1kn-1.15mph)
what is direction measured in
bearing
what is daily total sunshine measured in
hours
what is daily max relative humidity measured in
%
fog= >95%
what is daily mean totally cloud cover measured in
okras (eighths)
0 to 8
what is daily mean pressure measured in
1 hPA- 100Pa
what is daily mean visibility measured in
Dm (decametres)
what is tr
trace
0 to 0.05mm
how to clean data
delete n/a
remove anomalies (mistakes)
convert ‘tr’ values to 0
what is the qualitative data
beaufort scale
fresh light moderate strong
what is the discrete quantitative data
cloud coverage 0-8 oktas
when is the data from
1987 and 2015
may to october
