# In reply to @gesee37 "Asking myself how well": ```ruby
# CSV.open('./weather_stations.csv')
# .readlines.flatten.drop(2).map do
#   it.split ?;
# end
# .sort_by(&:first)
# .chunk(&:first)
# .map do
#   "#{it[0]}=#{it[1].map{it.last.to_f}.then{[it.min,it.sum /
# it.length,it.max].map{it.round 1}.join ?/}}"
# end
quick back-of-the-napkin ruby