condition mean min max 0 h after light 152.4225 149.394 155.451 4 h after light 148.674 147.268 150.08 8 h after light 688.3035 649.125 727.482 4 h after dark 406.3085 336.006 476.611 8 h after dark 299.461 298.663 300.259 12 h after dark 114.42500000000001 108.724 120.126