condition	mean	min	max
4 h after light	9.62523	8.57886	10.6716
8 h after light	11.034600000000001	10.8732	11.196
12 h after light	13.6618	13.4591	13.8645
4 h after dark	20.774250000000002	19.7101	21.8384
8 h after dark	17.6067	17.4348	17.7786
12 h after dark	15.285599999999999	14.664	15.9072