condition mean min max 3 h after light 0.02623 0.0 0.07869 6 h after light 0.0151748 0.0 0.0455244 9 h after light 0.0 0.0 0.0 12 h after light 0.020075975 0.0 0.0803039 3 h after dark 0.04405733333333334 0.0 0.132172 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0