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 1.7206e-06 0.0 5.1618e-06 12 h after light 0.0 0.0 0.0 3 h after dark 9.535766666666666e-07 0.0 2.86073e-06 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0