condition	mean	min	max
4 h after light	3.0	3.0	3.0
8 h after light	23.8	3.7	43.9
12 h after light	36.45	35.1	37.8
4 h after dark	30.7	14.1	47.3
8 h after dark	34.8	14.0	55.6
12 h after dark	46.8	40.2	53.4