condition mean min max 0 h after light 0.167914 0.112076 0.223752 4 h after light 0.309792 0.220607 0.398977 8 h after light 0.0838128 0.0569416 0.110684 4 h after dark 0.247548 0.165466 0.32963 8 h after dark 0.3599555 0.27546 0.444451 12 h after dark 0.24773299999999998 0.167589 0.327877