condition mean min max 4 h after light 0.389727 0.0 0.622862 8 h after light 0.06259473333333333 0.0 0.127736 12 h after light 0.40625766666666663 0.089262 0.849142 4 h after dark 0.57657 0.351329 0.782568 8 h after dark 1.3124166666666666 0.93876 1.82402 12 h after dark 0.648467 0.275164 1.0528