condition	mean	min	max
4 h after light	9.205872	8.743482	9.668262
8 h after light	9.435705	8.112935	10.758475
12 h after light	8.317402	7.497459	9.137345
4 h after dark	9.642308	9.233465	10.051151
8 h after dark	8.963227	8.484722	9.441732
12 h after dark	8.948263	8.948263	8.948263