condition	mean	min	max
4 h after light	12.383099999999999	12.1251	12.6411
8 h after light	6.339135000000001	6.02561	6.65266
12 h after light	5.76396	5.50299	6.02493
4 h after dark	6.963355	6.76557	7.16114
8 h after dark	8.290465	8.16349	8.41744
12 h after dark	9.434674999999999	9.3401	9.52925