condition	mean	min	max
4 h after light	8.378325	8.27742	8.47923
8 h after light	5.07353	4.88248	5.26458
12 h after light	4.998055000000001	4.75194	5.24417
4 h after dark	6.1619633333333335	5.41876	7.2973
8 h after dark	8.21361	7.13124	8.95445
12 h after dark	8.842923333333333	8.08968	9.54292