[R] acf(ts.union()): Missing Values in Object

[Rich Shepard]

   I have 2 time series (class 'ts') and I want to plot the acf for each and
the joint ccf using acf(ts.union(ts1, ts2)).

   According to the ts.union help, "‘ts.union’ pads with ‘NA’s to the total
time coverage" but the problem seems to be that one series has a single NA
while the other has 2 NAs. Both series have 792 rows of (date, value).

   The command and R's response are:

acf(ts.union(dalles.disch.ts, dalles.temp.ts))
Error in na.fail.default(as.ts(x)) : missing values in object

   Is there a way to massage the data so ts.union() accepts the input and
passes it properly to acf()?

   Subsets of the data via dput()

discharge:

c(162000L, 127000L, 151000L, 172000L, 136000L, 150000L)

temperature:

c(5, 5, 4.9, 4.9, 5, 5.1)

TIA,

Rich