condition mean min max 0 h after light 1.472835 1.27866 1.66701 4 h after light 0.717919 0.58571 0.850128 8 h after light 0.6630525 0.643657 0.682448 4 h after dark 1.017876 0.850182 1.18557 8 h after dark 0.6256135 0.566137 0.68509 12 h after dark 0.5958844999999999 0.574059 0.61771