condition	mean	min	max
4 h after light	4.26977	3.8614	4.67814
8 h after light	4.72941	4.42752	5.0313
12 h after light	4.249385	4.23839	4.26038
4 h after dark	5.27708	4.43142	6.12274
8 h after dark	4.96544	4.80876	5.12212
12 h after dark	5.6717949999999995	5.44349	5.9001