condition mean min max 0 h after light 6.25741 6.15292 6.3619 4 h after light 4.877515 4.03541 5.71962 8 h after light 6.43785 5.90857 6.96713 4 h after dark 5.626659999999999 5.44466 5.80866 8 h after dark 6.882655 6.80292 6.96239 12 h after dark 5.969925 5.37136 6.56849