condition mean min max 2 h after light 115.69751666666667 87.5661 145.849 6 h after light 96.63315 67.8558 125.411 10 h after light 121.48635 89.1689 153.461 14 h after light 112.89403333333334 90.6525 142.117 18 h after light 113.99861666666666 90.9277 133.338 2 h after dark 166.9125 123.353 200.819