condition mean min max 4 h after light 12.171962 11.957246 12.386678 8 h after light 11.460729 11.460729 11.460729 12 h after light 10.6002665 9.972167 11.228366 4 h after dark 13.045569 12.821172 13.269966 8 h after dark 10.931346 10.161688 11.701004 12 h after dark 10.050341 10.050341 10.050341