condition mean min max 4 h after light 146.098896 124.140952 168.05684 8 h after light 119.1762195 117.292905 121.059534 12 h after light 141.27938799999998 140.462826 142.09595 4 h after dark 140.355158 133.016721 147.693595 8 h after dark 191.06354549999998 175.618699 206.508392 12 h after dark 155.385903 155.385903 155.385903