condition	mean	min	max
4 h after light	1217.0	1217.0	1217.0
8 h after light	1011.15	830.5	1191.8
12 h after light	1116.75	1041.8	1191.7
4 h after dark	1044.45	869.7	1219.2
8 h after dark	1248.75	935.2	1562.3
12 h after dark	1623.6	1469.9	1777.3