condition mean min max 0 h after light 2.09764 1.99598 2.1993 2 h after light 2.010215 1.84449 2.17594 4 h after light 1.65701 1.43506 1.87896 8 h after light 1.573 1.45113 1.69487 12 h after light 2.0822849999999997 1.71456 2.45001 2 h after dark 2.52595 2.39439 2.65751 4 h after dark 1.879135 1.58337 2.1749 8 h after dark 2.9050149999999997 2.36502 3.44501 12 h after dark 3.00678 2.74121 3.27235