condition	mean	min	max
4 h after light	3857.1	3857.1	3857.1
8 h after light	3777.35	3760.6	3794.1
12 h after light	3958.3	3818.1	4098.5
4 h after dark	3989.95	3974.0	4005.9
8 h after dark	3958.05	3873.1	4043.0
12 h after dark	3882.5	3640.8	4124.2