condition	mean	min	max
4 h after light	15.94082	9.24186	19.4721
8 h after light	6.56252	2.41322	11.2676
12 h after light	2.06508	1.01546	3.65924
4 h after dark	2.9705966666666668	2.32724	3.50302
8 h after dark	8.776753333333334	6.14198	11.2376
12 h after dark	19.2258	16.3442	22.5884