condition	mean	min	max
4 h after light	949.3	949.3	949.3
8 h after light	975.75	966.3	985.2
12 h after light	1100.45	1003.9	1197.0
4 h after dark	1440.6	1227.3	1653.9
8 h after dark	1412.65	1169.0	1656.3
12 h after dark	1100.1	1011.7	1188.5