condition mean min max 0 h after light 32.15845 28.4422 35.8747 2 h after light 18.0614 17.1207 19.0021 4 h after light 13.8523 13.6243 14.0803 8 h after light 8.44834 8.42157 8.47511 12 h after light 13.6515 12.4572 14.8458 2 h after dark 11.906500000000001 11.4646 12.3484 4 h after dark 10.674140000000001 9.78448 11.5638 8 h after dark 19.4095 16.9465 21.8725 12 h after dark 31.3155 31.1395 31.4915