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 0.015673566666666666 0.0 0.0470207 12 h after light 0.0 0.0 0.0 3 h after dark 0.018002566666666667 0.0 0.0540077 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