obsColName
tstart <- "2013-10-01"
tend <- "2014-09-30"
A <- readNWISuv("11169750","63680",tstart,tend)
Error in `[[<-.data.frame`(`*tmp*`, obsColName, value = logical(0)) :
replacement has 0 rows, data has 24885
tstart <- "2013-10-01"
tend <- "2014-09-30"
A <- readNWISuv("11169750","63680",tstart,tend)
Error in `[[<-.data.frame`(`*tmp*`, obsColName, value = logical(0)) :
replacement has 0 rows, data has 24885