condition mean min max 3 h after light 5.6309 4.6079 6.29502 6 h after light 4.84744 3.77034 5.71458 9 h after light 3.99419 3.56496 4.23721 12 h after light 3.2449866666666667 2.65395 3.9346 3 h after dark 4.960686666666667 2.971 6.26483 6 h after dark 5.50379 3.40206 7.07354 9 h after dark 8.49529 6.32431 11.127 12 h after dark 6.124663333333333 5.09381 8.16358