condition mean min max 4 h after light 63.4509285 58.65337 68.248487 8 h after light 74.8226565 69.932538 79.712775 12 h after light 68.140333 59.797959 76.482707 4 h after dark 80.5401005 77.307822 83.772379 8 h after dark 92.0313605 81.98067 102.082051 12 h after dark 107.099348 107.099348 107.099348