condition mean min max 4 h after light 3.4765533333333334 3.4100919999999997 3.59245 8 h after light 2.4928413333333332 1.546192 2.974032 12 h after light 1.633518 1.5023950000000001 1.75295 16 h after light 3.380752 2.779137 4.00725 4 h after dark 3.000972 2.6153619999999997 3.311695 8 h after dark 1.7979396666666667 1.650136 1.943471