condition	mean	min	max
4 h after light	1087.2	1087.2	1087.2
8 h after light	1273.9	1205.6	1342.2
12 h after light	1447.5	1384.5	1510.5
4 h after dark	1724.4	1417.9	2030.9
8 h after dark	1880.5	1382.1	2378.9
12 h after dark	1201.0	1013.9	1388.1