condition	mean	min	max
0 h after light	17.676699999999997	16.9396	18.4138
4 h after light	14.1969	13.8492	14.5446
8 h after light	10.363915	9.84623	10.8816
4 h after dark	12.55075	12.2259	12.8756
8 h after dark	13.92755	13.5838	14.2713
12 h after dark	13.275400000000001	11.0683	15.4825