condition	mean	min	max
4 h after light	4.53862	3.81824	5.259
8 h after light	3.43828	2.90984	3.96672
12 h after light	4.67333	4.63267	4.71399
4 h after dark	5.36023	4.95177	5.76869
8 h after dark	7.165315	6.6712	7.65943
12 h after dark	5.946515	5.16106	6.73197