condition	mean	min	max
4 h after light	8.49924	8.183055	8.815425
8 h after light	8.815425	8.815425	8.815425
12 h after light	9.0654815	8.114726	10.016237
4 h after dark	8.4702255	8.318926	8.621525
8 h after dark	9.328649	8.337854	10.319444
12 h after dark	7.986423	7.986423	7.986423