condition	mean	min	max
4 h after light	3.164895	3.11703	3.21276
8 h after light	3.26612	3.12357	3.40867
12 h after light	3.71167	3.46719	3.95615
4 h after dark	5.53615	5.37204	5.70026
8 h after dark	4.23592	4.23259	4.23925
12 h after dark	4.312605	4.26492	4.36029