condition mean min max 4 h after light 470.1169 417.7317 572.6333 8 h after light 2394.750666666667 1622.388 2970.64 12 h after light 1159.3464 922.9622 1472.582 16 h after light 213.8479 207.0206 219.8509 4 h after dark 584.7664 546.6784 634.2757 8 h after dark 46.68964666666667 35.98555 53.02479