condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.09070666666666667 0.0 0.142752 12 h after light 0.0330515 0.0 0.132206 3 h after dark 0.13750466666666666 0.0 0.412514 6 h after dark 0.047218333333333334 0.0 0.141655 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0