condition	mean	min	max
4 h after light	8.671021	8.446746	8.895296
8 h after light	8.544768999999999	8.301191	8.788347
12 h after light	9.044799000000001	8.934208	9.15539
4 h after dark	7.759704000000001	7.269231	8.250177
8 h after dark	7.738213999999999	7.029682	8.446746
12 h after dark	7.986423	7.986423	7.986423