condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.030266233333333333 0.0 0.0486321 9 h after dark 0.011952166666666666 0.0 0.0358565 12 h after dark 0.01881805 0.0 0.0376361