condition	mean	min	max
4 h after light	10.119255	8.90801	11.3305
8 h after light	11.39625	10.7248	12.0677
12 h after light	11.78485	11.6691	11.9006
4 h after dark	19.5187	18.5417	20.2093
8 h after dark	20.733333333333334	19.6487	22.7965
12 h after dark	12.999833333333333	10.6235	14.4247