condition	mean	min	max
4 h after light	5.553115	4.73867	6.36756
8 h after light	5.27867	4.31838	6.23896
12 h after light	8.90439	8.35765	9.45113
4 h after dark	9.67734	5.58678	13.7679
8 h after dark	5.6647300000000005	5.17461	6.15485
12 h after dark	10.00914	9.15028	10.868