condition	mean	min	max
4 h after light	1340.8	1340.8	1340.8
8 h after light	1357.2	1338.9	1375.5
12 h after light	974.55	723.0	1226.1
4 h after dark	750.1	719.6	780.6
8 h after dark	903.45	798.5	1008.4
12 h after dark	1377.15	1059.3	1695.0