condition mean min max 4 h after light 11.668026999999999 10.848567 12.487487 8 h after light 10.5996855 9.288866 11.910505 12 h after light 12.2937105 11.69507 12.892351 4 h after dark 11.2275515 9.919343 12.53576 8 h after dark 11.472764999999999 11.063171 11.882359 12 h after dark 11.805043 11.805043 11.805043