condition	mean	min	max
4 h after light	913.8	913.8	913.8
8 h after light	1096.95	996.7	1197.2
12 h after light	1000.2	986.8	1013.6
4 h after dark	1219.85	969.2	1470.5
8 h after dark	1539.5	1460.1	1618.9
12 h after dark	1447.65	1445.0	1450.3