condition mean min max 4 h after light 58.3680495 50.360921 66.375178 8 h after light 77.810421 62.617325 93.003517 12 h after light 95.7147635 85.378038 106.051489 4 h after dark 94.050376 78.202683 109.898069 8 h after dark 93.43706449999999 91.346311 95.527818 12 h after dark 103.078214 103.078214 103.078214