condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.04951333333333333 0.0 0.14854 9 h after light 0.046536 0.0 0.139608 12 h after light 0.04480633333333334 0.0 0.134419 3 h after dark 0.06803466666666667 0.0 0.204104 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