condition	mean	min	max
4 h after light	9.1028105	9.00424	9.201381
8 h after light	9.473364499999999	8.748069	10.19866
12 h after light	9.2994205	8.698769	9.900072
4 h after dark	8.461708	8.175347	8.748069
8 h after dark	8.3209	8.228669	8.413131
12 h after dark	9.948261	9.948261	9.948261