condition	mean	min	max
4 h after light	8.9	8.9	8.9
8 h after light	85.35	68.8	101.9
12 h after light	19.35	9.1	29.6
4 h after dark	47.65	14.5	80.8
8 h after dark	32.9	23.7	42.1
12 h after dark	32.8	26.5	39.1