Consecutive Frost Days (CFD)

https://w3id.org/hacid/data/cs/Copernicus-CCS/indices/ConsecutiveFrostDays(cfd) <https://w3id.org/hacid/onto/data/Variable>

xsd:string Consecutive Frost Days (CFD) 
xsd:string Let TX_ij be the daily maximum temperature at day i of period j. Then counted is the largest number of consecutive days where daily maximum temperature is less than 0 degrees Celsius (TX_ij < 0). 

data from the linked data cloud