condition mean min max 4 h after light 4.2319700000000005 2.53827 6.86871 8 h after light 2.835090333333333 0.693421 5.06856 12 h after light 3.89981 1.65444 6.14604 4 h after dark 5.368 3.98091 6.41867 8 h after dark 5.3608 3.76277 6.60886 12 h after dark 5.411463333333334 4.70619 6.49619