condition mean min max 0 h after light 8228.795 8150.23 8307.36 2 h after light 12346.45 11246.3 13446.6 4 h after light 13696.1 12553.6 14838.6 8 h after light 12758.529999999999 7925.76 17591.3 12 h after light 12978.3 10323.0 15633.6 2 h after dark 19313.15 18003.0 20623.3 4 h after dark 15798.4 12110.8 19486.0 8 h after dark 15818.849999999999 11010.1 20627.6 12 h after dark 16570.6 15306.9 17834.3