condition	mean	min	max
4 h after light	8.190255	7.61705	8.76346
8 h after light	7.53754	6.92917	8.14591
12 h after light	9.37706	8.73822	10.0159
4 h after dark	11.94145	10.2519	13.631
8 h after dark	9.820274999999999	9.74753	9.89302
12 h after dark	9.14836	9.07884	9.21788