condition	mean	min	max
4 h after light	5.001645	4.42047	5.58282
8 h after light	18.461199999999998	18.4184	18.504
12 h after light	52.788	52.0619	53.5141
4 h after dark	31.14835	30.4827	31.814
8 h after dark	11.1555	10.8763	11.4347
12 h after dark	5.61353	5.14933	6.07773