condition mean min max 3 h after light 1646.3024166666667 860.003 3502.23 7 h after light 1605.52425 613.017 4387.16 11 h after light 1972.4174166666667 543.286 4089.17 2 h after dark 1558.9901666666667 385.112 2892.83 6 h after dark 1608.95625 509.188 3687.98 10 h after dark 1146.95525 454.42 3031.8