condition mean min max 0 h after light 2.7224399999999997 2.40827 3.03661 4 h after light 1.077045 1.03136 1.12273 8 h after light 0.3183705 0.250355 0.386386 4 h after dark 1.64908 1.30993 1.98823 8 h after dark 1.72129 1.55765 1.88493 12 h after dark 1.90284 1.64262 2.16306