condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.014193216666666666 0.0 0.0851593 10 h after light 0.029240666666666665 0.0 0.175444 14 h after light 0.0166975 0.0 0.100185 18 h after light 0.024856 0.0 0.149136 2 h after dark 0.0 0.0 0.0