climtrends (version 1.0.6)

MonthTrendYearsFuncFromDay: Monthly values converted from daily values

Description

MonthTrendYearsFuncFromDay returns monthly values converted by a function from daily values.

Usage

MonthTrendYearsFuncFromDay(yearDF, datecol=1,valcol=2, mfunc=mean, mmonth)

Arguments

yearDF

dataframe with climate data

datecol

column with dates

valcol

column with values

mfunc

function to apply on the data

mmonth

starting month

Value

Monthly values.

Examples

# xgdcnCA008201000.dat is from ECA COLLEGEVILLE temperature
setwd(system.file('extdata/', package='climtrends'))
dailyCollegeville <- ReadGHCNymd('xgdcnCA008201000.dat')
MonthlyCollegeville <- MonthTrendYearsFuncFromDay(dailyCollegeville, mmonth=1)
MonthlyCollegeville[,1] <- as.Date(MonthlyCollegeville[,1], origin = "1970-01-01")