condition	mean	min	max
4 h after light	12489.3	12489.3	12489.3
8 h after light	14531.6	13222.5	15840.7
12 h after light	12433.85	10600.6	14267.1
4 h after dark	10015.6	9614.1	10417.1
8 h after dark	8439.2	7874.7	9003.7
12 h after dark	6711.25	5555.7	7866.8