condition	mean	min	max
0 h after light	3.099005	2.06355	4.13446
4 h after light	3.792385	3.73	3.85477
8 h after light	12.7568	11.9032	13.6104
4 h after dark	7.277565	6.75555	7.79958
8 h after dark	4.763525	4.40339	5.12366
12 h after dark	3.076195	1.34392	4.80847