condition mean min max 0 h after light 2.89008 2.73643 3.04373 4 h after light 1.7531949999999998 1.35186 2.15453 8 h after light 1.98455 1.11222 2.85688 4 h after dark 5.29654 3.92457 6.66851 8 h after dark 3.2031349999999996 3.17798 3.22829 12 h after dark 2.8515050000000004 2.80582 2.89719