condition mean min max 3 h after light 0.8038726666666667 0.67488 1.03999 6 h after light 0.8909223333333333 0.771287 1.05934 9 h after light 0.7512530000000001 0.49071 1.11176 12 h after light 1.4315185000000001 0.699984 2.19667 3 h after dark 1.58117 1.41802 1.74733 6 h after dark 1.4944133333333334 1.06704 2.04514 9 h after dark 1.43965 1.09295 1.69394 12 h after dark 1.2444165 0.837273 1.65156