condition mean min max 3 h after light 21.364 19.5057 24.2866 6 h after light 47.273 38.334 53.0367 9 h after light 57.06936666666667 53.5741 62.4243 12 h after light 38.0466525 7.62161 48.9101 3 h after dark 24.241 21.4366 26.9433 6 h after dark 16.325066666666668 15.709 17.0942 9 h after dark 10.281606666666667 8.64262 11.5944 12 h after dark 7.297335 7.07616 7.51851