condition mean min max 3 h after light 39.6937 29.9988 49.8067 6 h after light 260.40433333333334 132.15 369.832 9 h after light 724.328 488.552 948.461 12 h after light 759.04625 348.774 1107.01 3 h after dark 2583.9066666666668 2190.81 2877.38 6 h after dark 1723.71 1278.36 2051.06 9 h after dark 553.7263333333333 401.041 640.019 12 h after dark 342.7485 212.083 473.414