condition	mean	min	max
4 h after light	10.867750000000001	10.7111	11.0244
8 h after light	12.830649999999999	12.328	13.3333
12 h after light	11.95665	11.7042	12.2091
4 h after dark	19.443150000000003	17.582	21.3043
8 h after dark	15.8459	15.4909	16.2009
12 h after dark	15.96765	15.471	16.4643