condition	mean	min	max
4 h after light	11.982396666666668	8.35059	16.5024
8 h after light	7.113589999999999	3.03942	10.0117
12 h after light	9.0501	5.70824	12.8424
4 h after dark	16.122166666666665	12.9629	19.1948
8 h after dark	21.967966666666666	17.283	27.0505
12 h after dark	15.7897	14.7774	17.6657