condition	mean	min	max
0 h after light	39.9795	38.9188	41.0402
4 h after light	20.8868	19.3059	22.4677
8 h after light	51.87065	44.8371	58.9042
4 h after dark	45.8582	45.5158	46.2006
8 h after dark	31.26225	28.4813	34.0432
12 h after dark	29.5995	28.5149	30.6841