condition	mean	min	max
4 h after light	37.7	37.7	37.7
8 h after light	29.3	27.0	31.6
12 h after light	32.85	10.4	55.3
4 h after dark	66.5	14.1	118.9
8 h after dark	76.05	70.8	81.3
12 h after dark	60.05	50.4	69.7