condition	mean	min	max
4 h after light	10.198025000000001	9.09425	11.3018
8 h after light	8.433795	8.34181	8.52578
12 h after light	10.615015	9.59233	11.6377
4 h after dark	13.96615	12.614	15.3183
8 h after dark	11.933800000000002	11.8207	12.0469
12 h after dark	12.341	12.2861	12.3959