condition mean min max 3 h after light 55.406166666666664 54.7771 56.3141 6 h after light 62.815000000000005 59.9232 65.8949 9 h after light 71.47426666666667 65.3583 78.881 12 h after light 68.25257500000001 47.66 78.9762 3 h after dark 55.698766666666664 52.793 57.946 6 h after dark 53.5969 47.0157 57.6019 9 h after dark 39.966 37.9613 42.6758 12 h after dark 38.5873 37.646 39.5286