condition mean min max 4 h after light 7.429201 4.188124 9.387687 8 h after light 14.732009999999999 11.98604 17.54189 12 h after light 11.356373666666666 8.674361 13.183270000000002 16 h after light 5.844308333333333 3.650469 8.852333 4 h after dark 10.488064333333334 9.031863000000001 11.89626 8 h after dark 8.403433666666666 6.414618 10.95242