condition	mean	min	max
0 h after light	7.4697700000000005	6.91699	8.02255
4 h after light	3.4487449999999997	2.7795	4.11799
8 h after light	3.714015	3.71	3.71803
4 h after dark	4.80999	4.66579	4.95419
8 h after dark	5.738144999999999	5.23076	6.24553
12 h after dark	4.641970000000001	4.13886	5.14508