condition mean min max 3 h after light 54.04933333333333 49.7185 57.1038 6 h after light 62.9447 52.3904 72.8851 9 h after light 77.25376666666666 73.1516 83.8821 12 h after light 79.495875 47.5684 91.9649 3 h after dark 59.7256 57.6883 62.9948 6 h after dark 46.8073 43.8445 52.0758 9 h after dark 35.365833333333335 30.1177 40.9048 12 h after dark 28.714199999999998 27.129 30.2994