condition	mean	min	max
4 h after light	2.248495	1.67818	2.81881
8 h after light	9.053055	8.70993	9.39618
12 h after light	18.49975	17.0366	19.9629
4 h after dark	16.9907	16.7752	17.2062
8 h after dark	10.7858	10.518	11.0536
12 h after dark	5.689534999999999	5.36093	6.01814