condition	mean	min	max
4 h after light	78.73405	67.9363	89.5318
8 h after light	30.71945	27.4946	33.9443
12 h after light	18.147199999999998	17.9986	18.2958
4 h after dark	15.7877	14.3197	17.281
8 h after dark	41.5873	39.9274	43.7321
12 h after dark	45.054966666666665	42.949	48.9898