condition mean min max 0 h after light 0.01915905 0.0 0.0383181 4 h after light 0.056883750000000004 0.0194869 0.0942806 8 h after light 0.0191946 0.0189212 0.019468 4 h after dark 0.00942865 0.0 0.0188573 8 h after dark 0.02841225 0.0188357 0.0379888 12 h after dark 0.04733205 0.0373664 0.0572977