[P50-P90]

hi

if i have real meterologic data ( 10 min interval ) for minimum 10 year

and i want to estimate P50 and P90

in miscellaneous tools we have some parameter to change Following the data

HOw can i know what is the parameter ?

Especially annual variability?

and if i have real data - output energy + radiation + temperature from 2 year

how can i change the parameter ??

i want to know estimate P90 more exact

thanks