condition	mean	min	max
4 h after light	4.5852900000000005	2.88115	6.28943
8 h after light	5.07297	3.26803	6.87791
12 h after light	5.849114999999999	4.28583	7.4124
4 h after dark	6.2704450000000005	5.72984	6.81105
8 h after dark	7.08846	6.60127	7.57565
12 h after dark	5.926155	4.26183	7.59048