condition	mean	min	max
4 h after light	1609.9	1609.9	1609.9
8 h after light	1374.2	1339.2	1409.2
12 h after light	1394.4	1261.9	1526.9
4 h after dark	1619.75	1301.0	1938.5
8 h after dark	1902.1	1575.1	2229.1
12 h after dark	1614.9	1486.6	1743.2