condition	mean	min	max
4 h after light	2.9280299999999997	2.77635	3.07971
8 h after light	3.4413400000000003	3.31676	3.56592
12 h after light	4.68644	4.48589	4.88699
4 h after dark	7.06391	6.6893	7.43852
8 h after dark	5.03529	4.87524	5.19534
12 h after dark	4.4066	4.19871	4.61449