condition mean min max 3 h after light 0.7239450833333333 0.367587 1.43477 7 h after light 0.615908 0.209371 1.05842 11 h after light 0.8423329166666667 0.40492 1.24978 2 h after dark 0.8452988333333333 0.423784 1.55599 6 h after dark 0.651058 0.276184 1.07072 10 h after dark 0.505295 0.207298 0.729