condition mean min max 0 h after light 3.13955 2.59811 3.68099 2 h after light 1.54189 1.10884 1.97494 4 h after light 2.125615 1.77603 2.4752 8 h after light 0.8924700000000001 0.870947 0.913993 12 h after light 2.1366899999999998 1.9095 2.36388 2 h after dark 1.702345 1.0589 2.34579 4 h after dark 2.50005 2.32168 2.67842 8 h after dark 4.161334999999999 2.91395 5.40872 12 h after dark 3.4188150000000004 2.11267 4.72496