condition mean min max 2 h after light 8.729845000000001 0.0 15.0424 6 h after light 1.9190466666666666 0.0 7.40858 10 h after light 12.081150000000001 0.0 27.0396 14 h after light 9.946116666666667 0.0 17.15 18 h after light 8.267353333333334 0.0 16.6625 2 h after dark 12.506908333333334 0.0 33.209