condition	mean	min	max
0 h after light	16.23335	15.3934	17.0733
4 h after light	10.24075	8.6982	11.7833
8 h after light	11.94599	8.68978	15.2022
4 h after dark	34.44755	31.8594	37.0357
8 h after dark	23.6403	23.5411	23.7395
12 h after dark	20.200400000000002	17.0503	23.3505