condition	mean	min	max
4 h after light	1870.9	1870.9	1870.9
8 h after light	1971.85	1866.3	2077.4
12 h after light	1492.4499999999998	1251.3	1733.6
4 h after dark	1353.25	1311.7	1394.8
8 h after dark	1457.85	1447.4	1468.3
12 h after dark	1352.8	1309.3	1396.3