condition	mean	min	max
4 h after light	1683.49	1677.44	1689.54
8 h after light	1036.617	994.414	1078.82
12 h after light	563.1445	480.826	645.463
4 h after dark	1024.4733333333334	985.52	1049.11
8 h after dark	1459.35	1443.36	1471.9
12 h after dark	1954.7166666666667	1917.55	2025.85