condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 3.07483 1.95148 4.19818 4 h after light 1.01781 0.0 2.03562 8 h after light 0.0 0.0 0.0 12 h after light 0.460693504135 2.00827e-06 0.921385 2 h after dark 0.380912 0.0 0.761824 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.309149 0.0 0.618298