condition	mean	min	max
4 h after light	1800.065	1631.623333	2037.656667
8 h after light	1293.5644446666668	1116.9	1456.916667
12 h after light	1633.9622223333333	1389.59	1964.99
1.5 h after dark	1989.502222	1441.04	2987.893333
5.5 h after dark	2402.461111	2298.79	2605.79
9.5 h after dark	2265.6955556666667	2067.25	2413.09