condition mean min max 3 h after light 5.43867 4.72356 6.68982 6 h after light 3.3477733333333335 2.63187 4.0117 9 h after light 3.22841 2.35653 3.73455 12 h after light 5.782633333333333 5.24337 6.47755 3 h after dark 7.345273333333333 6.02748 9.09536 6 h after dark 9.00949 8.71705 9.2244 9 h after dark 5.577356666666667 5.04359 5.98534 12 h after dark 4.51407 3.24693 5.38744