condition mean min max 4 h after light 1019.3525 952.375 1086.33 8 h after light 350.4115 348.096 352.727 12 h after light 178.45 160.962 195.938 4 h after dark 26.1841 24.7261 27.6421 8 h after dark 115.967 107.189 124.745 12 h after dark 510.58549999999997 472.804 548.367