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pcp_days

Average number of days of precipitation in month

This parameter is calculated as

dwet,i=dayswet,iyrsd_{wet,i}=\frac{days_{wet,i}}{yrs}dwet,i​=yrsdayswet,i​​

where dwet,id_{wet,i}dwet,i​ is the average number of days of precipitation in month iii, dayswet,idays_{wet,i}dayswet,i​ is the number of wet days in month iii during the entire period of record, and yrsyrsyrs is the number of years of record.