condition	mean	min	max
4 h after light	1953.44	1676.25	2098.736667
8 h after light	1417.4155556666667	1252.95	1647.35
12 h after light	1460.402222	1080.39	1910.673333
1.5 h after dark	2317.7277776666665	1883.733333	2639.623333
5.5 h after dark	2723.165555666667	2593.196667	2968.0
9.5 h after dark	3067.2377776666667	2663.053333	3501.853333