condition mean min max 3 h after light 2.86566 2.17374 4.14004 6 h after light 2.1954366666666667 1.27992 3.46851 9 h after light 2.3227733333333336 1.62349 3.37693 12 h after light 3.47699 1.97041 5.55596 3 h after dark 2.7400333333333333 2.30871 3.10528 6 h after dark 3.04527 2.65433 3.48285 9 h after dark 2.65092 2.02036 3.21864 12 h after dark 2.9732950000000002 2.42711 3.51948