condition	mean	min	max
0 h after light	3.129225	2.74082	3.51763
4 h after light	3.391305	3.18596	3.59665
8 h after light	4.43644	3.84598	5.0269
4 h after dark	8.007245	5.13839	10.8761
8 h after dark	6.439405	5.69332	7.18549
12 h after dark	3.5269500000000003	2.47205	4.58185