condition mean min max 4 h after light 10.994959999999999 10.722116 11.267804 8 h after light 12.6410725 10.841611 14.440534 12 h after light 10.2756615 9.851965 10.699358 4 h after dark 10.4644335 9.661063 11.267804 8 h after dark 11.2973465 10.075208 12.519485 12 h after dark 10.769513 10.769513 10.769513