condition mean min max 3 h after light 4304.2733333333335 4052.76 4793.7 6 h after light 4352.74 3488.98 5984.58 9 h after light 2466.5533333333333 1449.53 3364.43 12 h after light 1962.13725 940.179 3213.34 3 h after dark 931.2 774.642 1030.67 6 h after dark 1862.74 1646.37 2047.42 9 h after dark 3435.423333333333 2983.94 3765.11 12 h after dark 4141.62 3857.45 4425.79