condition	mean	min	max
4 h after light	8.0138745	7.345636	8.682113
8 h after light	9.6267645	8.492674	10.760855
12 h after light	8.290931	8.018536	8.563326
4 h after dark	9.343988	8.055836	10.63214
8 h after dark	8.3393535	8.190415	8.488292
12 h after dark	7.274058	7.274058	7.274058