condition	mean	min	max
4 h after light	235.6585	228.648	242.669
8 h after light	209.62	209.229	210.011
12 h after light	233.1525	223.94	242.365
4 h after dark	319.127	315.891	322.363
8 h after dark	286.2735	285.203	287.344
12 h after dark	288.8915	280.183	297.6