condition	mean	min	max
4 h after light	7.1383814999999995	6.8031	7.473663
8 h after light	6.8651065	6.8031	6.927113
12 h after light	6.861513	6.616098	7.106928
4 h after dark	6.7888265	6.774553	6.8031
8 h after dark	7.1525805	6.8031	7.502061
12 h after dark	6.70144	6.70144	6.70144