What needs explaining?

# get a sorted list of hash keys and store in array @temps
my @temps = sort { $a <=> $b } keys %hash;

# use a hash slice to get list of values in the same order
# as the keys in @temps and store in array @fluors
my @fluors = @hash{@temps};
[download]

--
<http://www.dave.org.uk>

"The first rule of Perl club is you do not talk about Perl club."
-- Chip Salzenberg