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 0.08475393333333334 0.0 0.192445 3 h after dark 0.0894045 0.0 0.204712 6 h after dark 0.03614066666666667 0.0 0.108422 9 h after dark 0.018294466666666665 0.0 0.0548834 12 h after dark 0.0 0.0 0.0