condition	mean	min	max
4 h after light	17.937236	16.816703	19.057769
8 h after light	15.969761	14.984206	16.955316
12 h after light	16.7786905	13.236515	20.320866
4 h after dark	10.751131	9.697219	11.805043
8 h after dark	12.3858535	11.770577	13.00113
12 h after dark	23.745689	23.745689	23.745689