condition	mean	min	max
4 h after light	968.4545	936.779	1000.13
8 h after light	1016.756	969.682	1063.83
12 h after light	889.1145	871.49	906.739
4 h after dark	835.84	823.435	844.851
8 h after dark	848.4686666666666	834.852	868.881
12 h after dark	905.608	882.124	918.357