condition mean min max 4 h after light 1.4383423333333334 0.438997 2.20462 8 h after light 2.779843 0.472589 5.10816 12 h after light 2.2485299999999997 1.0959 2.99537 4 h after dark 2.93373 2.07166 3.49596 8 h after dark 1.5494976666666667 0.250593 2.79206 12 h after dark 1.7430166666666667 1.22015 2.22596