condition	mean	min	max
4 h after light	12.14477	7.72084	16.5687
8 h after light	8.11092	7.11115	9.11069
12 h after light	36.73325	36.268	37.1985
4 h after dark	68.26693333333333	65.3543	70.021
8 h after dark	51.8339	47.4987	54.077
12 h after dark	21.752166666666668	18.9305	23.568