condition	mean	min	max
4 h after light	3.0	3.0	3.0
8 h after light	47.2	38.0	56.4
12 h after light	41.9	40.4	43.4
4 h after dark	4.5	4.2	4.8
8 h after dark	18.7	15.1	22.3
12 h after dark	9.399999999999999	9.2	9.6