# I would like to outline the squares in the legend with a black line.  Does
anyone know how to do this?

x.t <- structure(c(5987.387, 4354.516, 3685.789, 6478.592, 5924.315,
NA, 8386, 5559.468, NA, 4651.273, 3967.5, NA, 4339.167, 5053.56,
NA, 4631.978, 4808.694, NA, 5217.306, 4017.632, NA, 5846.903,
3969.883, NA, 3867.825, 3910.236, NA, 3886.434, 3782.094, NA,
3959.668, 3961.286, NA, 3848.853, 3711.262, NA), .Dim = c(3L,
12L), .Dimnames = list(c("Year.2006", "Year.2007", "Year.2008"
), c("January", "February", "March", "April", "May", "June",
"July", "August", "September", "October", "November", "December"
)))

library(IDPmisc)
barplot(x.t, beside=T, ylim=c(0, 40000), yaxt="n", ylab="Discharge(cfs)",
col=grey.colors(3, gamma=4))
axis(side=2, at=c(0,4000 ,7000, 10000,15000, 20000,25000,30000,35000,40000))
legend(x="topright", legend=c("2006 mean", "2007 mean", "2008 mean",
"1964-2005 mean \n max and min flows "), pch=c(15, 15, 15, 19),
col=c(grey.colors(3, gamma=4),"black"), cex=1.5)
box(which="plot", lty="solid")

points(2.5, 8313, pch=19, lwd=4)
points(6, 9665, pch=19, lwd=4)
points(10, 10675, pch=19, lwd=4)
points(14, 10303, pch=19, lwd=4)
points(18, 7926, pch=19, lwd=4)
points(22, 7278, pch=19, lwd=4)
points(26, 6472, pch=19, lwd=4)
points(30, 6719, pch=19, lwd=4)
points(34, 6123, pch=19, lwd=4)
points(38, 6280, pch=19, lwd=4)
points(42, 6334, pch=19, lwd=4)
points(46, 7707, pch=19, lwd=4)

#max thurmond flow bar
Arrows(2.5, 8229, 2.5, 25580, size=0, sh.lwd=4)
Arrows(6, 9555, 6, 28571, size=0, sh.lwd=4)
Arrows(10, 10547, 10, 23153, size=0, sh.lwd=4)
Arrows(14, 10182, 14, 37591, size=0, sh.lwd=4)
Arrows(18, 7847, 18, 22521, size=0, sh.lwd=4)
Arrows(22, 7206, 22, 18384, size=0, sh.lwd=4)
Arrows(26, 6472, 26, 15489, size=0, sh.lwd=4)
Arrows(30, 6719, 30, 16659, size=0, sh.lwd=4)
Arrows(34, 6123, 34, 11841, size=0, sh.lwd=4)
Arrows(38, 6280, 38, 14282, size=0, sh.lwd=4)
Arrows(42, 6334, 42, 17364, size=0, sh.lwd=4)
Arrows(46, 7707, 46, 25877, size=0, sh.lwd=4)

#min thurmond flow bar
Arrows(2.5, 8229, 2.5, 3602, size=0, sh.lwd=4)
Arrows(6, 9555, 6, 3377, size=0, sh.lwd=4)
Arrows(10, 10547, 10, 3490, size=0, sh.lwd=4)
Arrows(14, 10182, 14, 3278, size=0, sh.lwd=4)
Arrows(18, 7847, 18, 3579, size=0, sh.lwd=4)
Arrows(22, 7206, 22, 3605, size=0, sh.lwd=4)
Arrows(26, 6472, 26, 3579, size=0, sh.lwd=4)
Arrows(30, 6719, 30, 3734, size=0, sh.lwd=4)
Arrows(34, 6123, 34, 3694, size=0, sh.lwd=4)
Arrows(38, 6280, 38, 3657, size=0, sh.lwd=4)
Arrows(42, 6334, 42, 3287, size=0, sh.lwd=4)
Arrows(46, 7707, 46, 3345, size=0, sh.lwd=4)


-- 
Let's not spend our time and resources thinking about things that are so
little or so large that all they really do for us is puff us up and make us
feel like gods. We are mammals, and have not exhausted the annoying little
problems of being mammals.

-K. Mullis

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