condition mean min max 4 h after light 315.0791755 300.671801 329.48655 8 h after light 297.44755799999996 282.49442 312.400696 12 h after light 320.660429 315.076606 326.244252 4 h after dark 391.0181465 340.528761 441.507532 8 h after dark 336.2448895 315.795463 356.694316 12 h after dark 428.735227 428.735227 428.735227