condition	mean	min	max
4 h after light	15.7814825	15.769336	15.793629
8 h after light	15.856653	13.983023	17.730283
12 h after light	14.553024	13.679553	15.426495
4 h after dark	14.674182	13.897672	15.450692
8 h after dark	14.8764445	14.027656	15.725233
12 h after dark	21.125993	21.125993	21.125993