condition	mean	min	max
4 h after light	4.53885	4.12718	4.95052
8 h after light	3.7332	3.63176	3.83464
12 h after light	4.13053	3.76966	4.4914
4 h after dark	5.57428	5.34507	5.73038
8 h after dark	5.4411	5.38796	5.53349
12 h after dark	5.04036	4.58482	5.76669