condition	mean	min	max
4 h after light	2.4078	2.13102	2.68458
8 h after light	2.61734	2.4615	2.77318
12 h after light	3.642175	3.15363	4.13072
4 h after dark	3.97263	3.58021	4.36505
8 h after dark	2.600765	2.5603	2.64123
12 h after dark	3.041295	2.90956	3.17303