condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0596796 0.0356722 0.083687 4 h after dark 0.0 0.0 0.0 8 h after dark 0.040363666666666666 0.0 0.121091 12 h after dark 0.0 0.0 0.0