condition	mean	min	max
4 h after light	11.9	11.9	11.9
8 h after light	15.0	12.1	17.9
12 h after light	92.85	50.2	135.5
4 h after dark	143.85	98.2	189.5
8 h after dark	87.1	85.3	88.9
12 h after dark	93.9	81.1	106.7