condition	mean	min	max
4 h after light	20.7	20.7	20.7
8 h after light	18.65	11.3	26.0
12 h after light	14.3	5.0	23.6
4 h after dark	38.6	27.7	49.5
8 h after dark	15.8	10.3	21.3
12 h after dark	34.1	26.5	41.7