condition mean min max 4 h after light 1.4904543333333333 0.557193 2.10458 8 h after light 0.67918 0.238956 1.14719 12 h after light 0.6086253333333334 0.227597 0.811916 4 h after dark 0.742714 0.531713 0.868589 8 h after dark 1.961317 0.921441 3.44381 12 h after dark 5.561249999999999 3.67409 8.80642