condition mean min max 3 h after light 10.647 10.4909 10.9276 6 h after light 15.555299999999999 10.571 19.7985 9 h after light 37.9416 19.0037 52.5912 12 h after light 67.65323333333333 55.1651 76.7956 3 h after dark 63.40103333333333 48.5167 78.3364 6 h after dark 24.528299999999998 20.2687 28.9378 9 h after dark 15.409370000000001 9.53391 21.0119 12 h after dark 10.147656666666666 4.51242 17.1374