condition	mean	min	max
4 h after light	923.7	923.7	923.7
8 h after light	928.5	884.9	972.1
12 h after light	933.35	909.7	957.0
4 h after dark	1229.55	1097.5	1361.6
8 h after dark	1150.6	1150.4	1150.8
12 h after dark	1181.75	1157.6	1205.9