condition	mean	min	max
4 h after light	2087.105	1913.26	2260.95
8 h after light	2679.185	2600.37	2758.0
12 h after light	2361.255	2248.77	2473.74
4 h after dark	1916.45	1879.8	1947.25
8 h after dark	1599.5166666666667	1570.85	1619.63
12 h after dark	1897.7	1871.16	1913.8