condition	mean	min	max
4 h after light	1258.6	1258.6	1258.6
8 h after light	960.0	947.4	972.6
12 h after light	940.0	813.9	1066.1
4 h after dark	1077.7	1011.0	1144.4
8 h after dark	1176.6	895.2	1458.0
12 h after dark	1633.0	1298.2	1967.8