condition mean min max 4 h after light 12.121233333333334 6.241 16.9721 8 h after light 12.159600000000001 3.6895 19.8316 12 h after light 13.49248 8.51904 19.422 4 h after dark 16.992966666666668 11.477 21.7448 8 h after dark 14.693100000000001 10.6937 19.702 12 h after dark 16.476366666666667 15.1726 18.5193