condition	mean	min	max
0 h after light	14.6522	12.8657	16.4387
4 h after light	7.73288	7.09085	8.37491
8 h after light	19.032449999999997	16.2107	21.8542
4 h after dark	19.4682	16.6494	22.287
8 h after dark	22.608150000000002	22.449	22.7673
12 h after dark	14.693200000000001	12.8255	16.5609