condition mean min max 0 h after light 0.859721 0.634532 1.08491 2 h after light 0.9260999999999999 0.880015 0.972185 4 h after light 2.5374499999999998 2.26842 2.80648 8 h after light 7.02039 6.43739 7.60339 12 h after light 6.070985 5.62319 6.51878 2 h after dark 2.93592 2.61304 3.2588 4 h after dark 1.76841 1.56372 1.9731 8 h after dark 1.77158 1.72128 1.82188 12 h after dark 0.819928 0.796858 0.842998