condition mean min max 3 h after light 8.207039166666666 3.84056 13.717 7 h after light 9.8118 2.22812 18.9228 11 h after light 7.9095075 4.83138 11.5562 2 h after dark 7.295895833333334 3.35221 13.8985 6 h after dark 8.109654166666667 0.0 15.6437 10 h after dark 8.541155 2.54851 19.9431