condition	mean	min	max
4 h after light	7.646559999999999	6.41947	8.87365
8 h after light	3.3292450000000002	3.28779	3.3707
12 h after light	1.66052	1.47764	1.8434
4 h after dark	1.6034833333333334	1.4796	1.7568
8 h after dark	2.3546233333333335	1.90654	3.02656
12 h after dark	5.719486666666667	5.41745	6.28965