condition mean min max 4 h after light 4.705855 3.42036 5.99135 8 h after light 15.58065 15.2231 15.9382 12 h after light 25.430799999999998 24.974 25.8876 4 h after dark 24.5939 24.2411 24.9402 8 h after dark 22.518533333333334 19.8704 23.9606 12 h after dark 9.714713333333334 9.44699 9.92979