condition	mean	min	max
4 h after light	7.74549	6.78958	8.7014
8 h after light	6.64703	6.37189	6.92217
12 h after light	7.879735	7.72508	8.03439
4 h after dark	10.068383333333333	9.98695	10.2097
8 h after dark	10.218813333333333	9.96725	10.7046
12 h after dark	8.184216666666666	7.88941	8.41417