condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.039342 0.0 0.118026 9 h after light 0.04004833333333333 0.0 0.120145 12 h after light 0.04309665 0.0 0.0625386 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0168968 0.0 0.0506904 12 h after dark 0.0873723 0.0683326 0.106412