condition	mean	min	max
4 h after light	73.1	73.1	73.1
8 h after light	57.9	13.5	102.3
12 h after light	23.0	4.8	41.2
4 h after dark	93.6	47.7	139.5
8 h after dark	24.4	11.4	37.4
12 h after dark	53.5	39.3	67.7