condition	mean	min	max
4 h after light	8.919747999999998	8.56576	9.273736
8 h after light	8.6122735	8.585096	8.639451
12 h after light	9.1148195	8.91737	9.312269
4 h after dark	8.928193499999999	8.91737	8.939017
8 h after dark	9.427213	8.800657	10.053769
12 h after dark	8.91737	8.91737	8.91737