condition	mean	min	max
4 h after light	10.111885000000001	8.04677	12.177
8 h after light	9.563545000000001	9.33047	9.79662
12 h after light	18.3719	17.902	18.8418
4 h after dark	22.260766666666665	21.1882	22.8353
8 h after dark	21.1176	20.0069	23.1191
12 h after dark	14.908366666666666	12.729	16.7239