condition mean min max 3 h after light 49.012233333333334 47.469 50.538 6 h after light 51.2297 46.3972 55.0234 9 h after light 58.23416666666667 54.1471 61.0539 12 h after light 59.28015 55.7903 62.8147 3 h after dark 88.7283 80.8116 95.4355 6 h after dark 77.80626666666667 72.9162 80.4355 9 h after dark 62.3699 57.9133 65.5258 12 h after dark 60.8993 59.1949 62.6037