condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0586906 0.0 0.118443 9 h after light 0.03544233333333333 0.0 0.106327 12 h after light 0.0826459 0.0 0.16491 3 h after dark 0.044921466666666666 0.0 0.0673838 6 h after dark 0.04178366666666667 0.0 0.0671384 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0