condition mean min max 4 h after light 744.8526 701.0686 784.8182 8 h after light 266.4389 170.2075 328.7882 12 h after light 108.81613 85.95329 137.3296 16 h after light 288.6026 262.0481 332.3193 4 h after dark 670.7452666666667 614.9048 727.382 8 h after dark 1087.9019 720.6677 1359.491