condition	mean	min	max
4 h after light	21.016750000000002	15.7139	26.3196
8 h after light	7.1714400000000005	6.97681	7.36607
12 h after light	3.2284300000000004	2.22751	4.22935
4 h after dark	2.4639949999999997	2.44631	2.48168
8 h after dark	5.55858	5.23057	5.88659
12 h after dark	10.738425	9.89055	11.5863