Convert a date and discharge data.frame into EGRET format
Source:R/convertToEGRET.R
expandFlowForEGRET.RdUse EGRET functions to convert a data.frame of date and
discharge columns into "the basic Daily data frame used in WRTDS", i.e., a
13-column data.frame with parsed datetimes, log(Q), and 7-day and 30-day
smoothed Q, plus a column for dateTime. See
populateDaily