condition mean min max 4 h after light 9.872595 9.57959 10.1656 8 h after light 9.474350000000001 9.36655 9.58215 12 h after light 13.35515 12.26 14.4503 4 h after dark 14.61885 14.5595 14.6782 8 h after dark 13.7764 13.6553 13.8975 12 h after dark 13.881350000000001 13.7733 13.9894