condition	mean	min	max
4 h after light	8.072486000000001	7.911519	8.233453
8 h after light	8.586478	7.12398	10.048976
12 h after light	9.378560499999999	9.000161	9.75696
4 h after dark	8.6961425	7.719669	9.672616
8 h after dark	8.28853	8.189734	8.387326
12 h after dark	8.782575	8.782575	8.782575