condition	mean	min	max
0 h after light	17.90015	17.7465	18.0538
4 h after light	10.948699999999999	10.2327	11.6647
8 h after light	11.926400000000001	10.9229	12.9299
4 h after dark	13.76515	12.9707	14.5596
8 h after dark	14.834	13.9554	15.7126
12 h after dark	14.61325	13.9768	15.2497