condition	mean	min	max
0 h after light	4.676825	4.3787	4.97495
4 h after light	3.4539299999999997	3.31684	3.59102
8 h after light	3.183075	2.82655	3.5396
4 h after dark	6.868015	6.31215	7.42388
8 h after dark	8.398775	7.99385	8.8037
12 h after dark	4.245205	4.21284	4.27757