condition	mean	min	max
4 h after light	5.915660000000001	4.37187	7.45945
8 h after light	9.526015000000001	9.40298	9.64905
12 h after light	12.238	11.7651	12.7109
4 h after dark	14.9645	14.3573	15.4673
8 h after dark	10.861106666666666	8.53562	13.9077
12 h after dark	7.7974266666666665	6.20322	10.0355