condition mean min max 0 h after light 15.90475 14.7571 17.0524 2 h after light 12.8917 11.7995 13.9839 4 h after light 10.643360000000001 8.49342 12.7933 8 h after light 7.325055000000001 6.57144 8.07867 12 h after light 11.1385 11.127 11.15 2 h after dark 14.858149999999998 14.2449 15.4714 4 h after dark 9.59882 9.04804 10.1496 8 h after dark 16.9362 15.0755 18.7969 12 h after dark 15.5706 14.7408 16.4004