JAN. FEBR. MAR. APR. MAY. JUNE. JULY. AUG. SEPT. Fort Brown 0.45 1.50 1.15 0.05 4.10 7.65 4.25 5.00 11.31 Mean 1.61 2.25 1.20 0.56 2.21 4.55 1.95 2.76 6.73 Ringgold Barracks 0.70 1.69 0.22 0.00 2.83 10.98 4.06 1.58 3.02 Mean 1.24 1.18 0.72 1.08 2.09 3.47 3.18 1.50 3.22 Fort Merrill 0.11 1.99 0.05 1.16 7.66 4.70 5.44 3.13 5.01 Mean 0.23 2.09 0.09 1.62 3.43 4.10 6.13 3.40 4.60 Fort Duncan 0.05 0.69 1.50 0.00 2.53 6.83 0.83 0.90 4.81 Mean 0.26 1.27 1.34 0.71 1.50 5.63 3.35 0.93 3.28 Fort Inge 0.20 2.15 3.00 0.75 3.88 2.09 0.97 1.67 4.80 Mean 0.64 2.21 1.79 1.26 3.01 5.38 3.66 2.02 2.21 Fort McKavet 0.01 0.77 2.10 0.28 3.72 0.15 2.91 0.04 3.86 " Belknap 0.11 1.10 1.42 1.75 4.97 8.33 0.00 0.75 1.53 " Massachusetts, Northern New Mexico 3.93 0.24 2.14 2.61 1.53 Fort Kearney 0.23 1.33 1.87 2.56 4.15 5.40 3.51 1.18 4.60 Mean 0.50 0.48 1.55 2.68 6.57 4.36 5.07 2.62 1.83 Fort Laramie 0.18 0.40 0.80 3.98 4.46 3.67 3.26 1.27 1.60 Mean 0.27 0.71 1.37 1.93 5.39 2.95 1.83 0.92 1.33 Fort Ridgley 1.20 0.01 1.18 2.83 6.84 2.70 2.49 2.28 2.58 " Snelling 0.72 0.03 1.03 2.51 4.30 3.31 3.92 1.75 6.55 Mean 0.73 0.52 1.30 2.14 3.17 3.63 4.11 3.18 3.32 Fort Ripley 0.67 0.03 0.79 0.97 4.34 3.68 0.62 1.69 4.40 Mean 0.86 0.37 1.80 1.42 3.09 5.15 5.20 2.27 4.92 Fort Mackinac 2.59 1.23 1.56 1.04 2.65 6.35 5.67 4.26 3.22 Mean 1.25 0.82 1.14 1.21 2.32 2.81 3.20 2.87 2.97 Fort Brady 2.49 1.18 1.34 2.14 3.61 1.23 3.21 3.86 3.18 Mean 1.84 1.13 1.37 1.83 2.24 2.83 3.73 3.39 4.33 Fort Niagara 1.63 2.52 1.87 2.25 3.90 1.71 4.08 1.52 2.61 Mean 2.25 1.89 2.12 2.20 2.55 3.28 3.49 3.04 3.95 But the belt of trade continued its progress to the west and north, and during the months of July and August the drought extended in both directions, reaching, in August, from Mississippi, Alabama, Georgia, and South Carolina, to the Lakes, and from the Rocky Mountains to the Atlantic. Its position is shown by the following cut, and the position of the belt of precipitation by the following table. [Illustration] TABLE VII. _Situation of the focus of Precipitation in July and August._