condition	mean	min	max
4 h after light	2.937975	1.97188	3.90407
8 h after light	3.30018	2.93159	3.66877
12 h after light	5.321065	5.24703	5.3951
4 h after dark	8.346143333333332	8.08494	8.61958
8 h after dark	7.39746	6.64841	7.7883
12 h after dark	3.9495733333333334	1.81778	5.29601