condition	mean	min	max
4 h after light	9.173096666666668	9.03824	9.35299
8 h after light	8.571063333333333	8.1901	8.81507
12 h after light	8.806883333333333	8.521419999999999	9.08608
4 h after dark	8.56463	8.39283	8.81913
8 h after dark	8.55362	8.21621	8.84795
12 h after dark	8.96898	8.84624	9.14696