condition	mean	min	max
2 h after light	15.7367	15.1302	16.056
6 h after light	17.8878	16.5548	18.6253
10 h after light	18.824866666666665	18.195	19.8479
2 h after dark	31.4526	29.1668	34.2694
6 h after dark	33.8219	33.4547	34.2703
10 h after dark	36.71273333333333	36.5014	36.8735