condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.028664166666666668 0.0 0.0859925 9 h after light 0.02767573333333333 0.0 0.0830272 12 h after light 0.0 0.0 0.0 3 h after dark 0.035077000000000004 0.0 0.105231 6 h after dark 0.0 0.0 0.0 9 h after dark 0.045346 0.0 0.136038 12 h after dark 0.0405724 0.0 0.0811448