condition	mean	min	max
4 h after light	7554.5	7554.5	7554.5
8 h after light	8273.2	7787.1	8759.3
12 h after light	11700.6	9271.2	14130.0
4 h after dark	11679.2	7469.0	15889.4
8 h after dark	11413.95	10080.0	12747.9
12 h after dark	10689.3	7558.2	13820.4