condition	mean	min	max
4 h after light	8.984575	8.31752	9.65163
8 h after light	7.867430000000001	7.70536	8.0295
12 h after light	10.739335	9.84007	11.6386
4 h after dark	11.77115	10.8041	12.7382
8 h after dark	11.609950000000001	11.4166	11.8033
12 h after dark	10.664555	9.99981	11.3293