condition mean min max 3 h after light 0.0 0.0 0.0 7 h after light 0.0 0.0 0.0 11 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 6 h after dark 6.566666666666667e-08 0.0 7.88e-07 10 h after dark 0.0 0.0 0.0