condition	mean	min	max
4 h after light	1.62016	1.58427	1.65605
8 h after light	6.43632	6.08174	6.7909
12 h after light	6.33747	5.73895	6.93599
4 h after dark	6.123	5.61229	6.92971
8 h after dark	2.245023333333333	1.68041	2.75301
12 h after dark	2.75011	2.07839	3.20815