condition mean min max 4 h after light 13.7980885 12.226563 15.369614 8 h after light 12.6934485 12.231875 13.155022 12 h after light 10.894767 9.721579 12.067955 4 h after dark 12.561914000000002 11.771871 13.351957 8 h after dark 11.477397 10.312043 12.642751 12 h after dark 10.556422 10.556422 10.556422