condition	mean	min	max
4 h after light	1063.0	1063.0	1063.0
8 h after light	1329.35	1326.4	1332.3
12 h after light	1369.6	1304.5	1434.7
4 h after dark	1324.4	1177.4	1471.4
8 h after dark	1138.75	984.6	1292.9
12 h after dark	1035.0	1004.1	1065.9