condition mean min max 2 h after light 5.879888333333334 0.0 12.959 6 h after light 6.939853333333333 2.23116 22.1806 10 h after light 11.041365 2.06211 23.8847 14 h after light 12.06928 0.0 36.4796 18 h after light 11.76473 2.49179 26.7909 2 h after dark 4.01467 0.0 12.917