condition	mean	min	max
4 h after light	13.417300000000001	12.4876	14.347
8 h after light	8.901865	8.83088	8.97285
12 h after light	10.242145	9.52559	10.9587
4 h after dark	12.9506	12.4406	13.4606
8 h after dark	13.04255	12.9396	13.1455
12 h after dark	12.8293	12.6374	13.0212