condition	mean	min	max
4 h after light	6.879605	5.89096	7.86825
8 h after light	8.212555	7.64521	8.7799
12 h after light	8.05414	7.93329	8.17499
4 h after dark	10.112169999999999	9.74364	10.4807
8 h after dark	8.64885	8.41703	8.88067
12 h after dark	8.731515	8.42871	9.03432