condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.04298166666666667 0.0 0.128945 9 h after light 0.045793 0.0 0.137379 12 h after light 0.0 0.0 0.0 3 h after dark 0.09246436666666667 0.0 0.198493 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.030419 0.0 0.060838