condition	mean	min	max
4 h after light	7.52869	7.02129	8.48194
8 h after light	1.564912	0.588026	2.11043
12 h after light	1.9788499999999998	1.21304	2.70943
4 h after dark	6.51344	5.26045	8.66154
8 h after dark	26.1033	22.1198	29.2377
12 h after dark	21.018933333333333	19.5003	22.6932