condition mean min max 4 h after light 14.1223 13.1592 15.0854 8 h after light 14.761050000000001 13.96 15.5621 12 h after light 11.379850000000001 10.9086 11.8511 4 h after dark 17.8415 15.7697 19.9133 8 h after dark 18.8992 18.5965 19.2019 12 h after dark 16.0164 15.9872 16.0456