condition	mean	min	max
4 h after light	32.57725	31.3376	33.8169
8 h after light	16.9279	13.5786	20.2772
12 h after light	10.908045	9.58109	12.235
4 h after dark	13.491	12.8092	14.1728
8 h after dark	24.3369	22.9115	25.7623
12 h after dark	30.7198	28.2581	33.1815