condition	mean	min	max
4 h after light	7.8328805	7.535115	8.130646
8 h after light	8.4950705	8.104536	8.885605
12 h after light	9.289390000000001	9.209897	9.368883
4 h after dark	8.431111	7.833347	9.028875
8 h after dark	8.383788500000001	8.130646	8.636931
12 h after dark	7.050092	7.050092	7.050092