| DIST. | YEAR | JAN. | FEB. | MAR. | APR. | MAY | JUNE | JULY | AUG. | SEPT. | OCT. | NOV. | DEC. |
| 10 | 1948 | 3.97 | 2.90 | 3.41 | 3.44 | 3.37 | 3.40 | 2.88 | 2.50 | 2.50 | 1.70 | 1.97 | 2.01 |
| 20 | 1948 | 3.86 | 2.79 | 3.29 | 3.37 | 3.29 | 3.22 | 2.70 | 2.25 | 2.34 | 1.61 | 1.88 | 1.95 |
| 30 | 1948 | 3.89 | 2.89 | 3.37 | 3.39 | 3.35 | 3.21 | 2.55 | 2.20 | 2.31 | 1.60 | 1.92 | 1.96 |
| 40 | 1948 | 4.15 | 3.06 | 3.59 | 3.64 | 3.57 | 3.48 | 3.00 | 2.42 | 2.48 | 1.71 | 1.93 | 2.00 |
| 50 | 1948 | 4.05 | 3.10 | 3.62 | 3.65 | 3.55 | 3.40 | 2.90 | 2.39 | 2.43 | 1.74 | 1.96 | 2.02 |
| 60 | 1948 | 4.05 | 3.06 | 3.59 | 3.60 | 3.61 | 3.52 | 2.98 | 2.45 | 2.46 | 1.79 | 1.99 | 2.06 |
| 70 | 1948 | 4.11 | 3.17 | 3.58 | 3.67 | 3.59 | 3.59 | 3.05 | 2.52 | 2.49 | 1.80 | 2.00 | 2.02 |
| 80 | 1948 | 3.98 | 3.04 | 3.50 | 3.63 | 3.59 | 3.57 | 3.02 | 2.45 | 2.46 | 1.84 | 1.99 | 2.03 |
| 90 | 1948 | 3.90 | 2.95 | 3.47 | 3.58 | 3.51 | 3.41 | 2.99 | 2.48 | 2.49 | 1.84 | 2.01 | 2.05 |
| STATE | 1948 | 3.95 | 2.95 | 3.45 | 3.50 | 3.45 | 3.35 | 2.80 | 2.35 | 2.40 | 1.70 | 1.95 | 2.00 |
| DIST. | YEAR | JAN. | FEB. | MAR. | APR. | MAY | JUNE | JULY | AUG. | SEPT. | OCT. | NOV. | DEC. |
| 10 | 1949 | 2.03 | 1.90 | 1.99 | 2.03 | 1.94 | 1.92 | 1.93 | 1.92 | 1.87 | 1.66 | 1.41 | 1.61 |
| 20 | 1949 | 2.02 | 1.91 | 1.97 | 1.98 | 1.92 | 1.90 | 1.91 | 1.89 | 1.89 | 1.65 | 1.38 | 1.58 |
| 30 | 1949 | 2.04 | 1.89 | 2.01 | 2.01 | 1.95 | 1.94 | 1.93 | 1.94 | 1.91 | 1.65 | 1.38 | 1.62 |
| 40 | 1949 | 2.01 | 1.86 | 1.96 | 1.98 | 1.88 | 1.90 | 1.92 | 1.90 | 1.91 | 1.68 | 1.42 | 1.63 |
| 50 | 1949 | 2.05 | 1.92 | 2.01 | 2.01 | 1.90 | 1.89 | 1.94 | 1.99 | 1.94 | 1.71 | 1.48 | 1.74 |
| 60 | 1949 | 2.13 | 2.02 | 2.11 | 2.09 | 2.06 | 2.01 | 2.07 | 2.07 | 2.09 | 1.76 | 1.54 | 1.78 |
| 70 | 1949 | 2.04 | 1.99 | 2.08 | 2.06 | 2.00 | 2.03 | 2.02 | 2.07 | 2.01 | 1.74 | 1.48 | 1.68 |
| 80 | 1949 | 2.05 | 1.93 | 2.06 | 2.06 | 1.96 | 1.96 | 1.97 | 1.96 | 1.91 | 1.64 | 1.42 | 1.68 |
| 90 | 1949 | 2.03 | 1.96 | 2.06 | 2.07 | 1.99 | 1.99 | 2.07 | 2.07 | 1.94 | 1.71 | 1.44 | 1.69 |
| STATE | 1949 | 2.05 | 1.93 | 2.03 | 2.03 | 1.96 | 1.95 | 1.97 | 1.98 | 1.94 | 1.68 | 1.43 | 1.66 |
| DIST. | YEAR | JAN. | FEB. | MAR. | APR. | MAY | JUNE | JULY | AUG. | SEPT. | OCT. | NOV. | DEC. |
| 10 | 1950 | 1.71 | 1.67 | 1.72 | 1.84 | 1.93 | 1.90 | 2.08 | 2.04 | 1.93 | 1.60 | 1.64 | 1.85 |
| 20 | 1950 | 1.71 | 1.66 | 1.76 | 1.82 | 1.96 | 1.89 | 1.97 | 2.00 | 1.95 | 1.59 | 1.60 | 1.81 |
| 30 | 1950 | 1.72 | 1.72 | 1.80 | 1.90 | 2.01 | 1.95 | 2.06 | 2.06 | 1.95 | 1.63 | 1.62 | 1.82 |
| 40 | 1950 | 1.74 | 1.76 | 1.82 | 1.90 | 2.06 | 2.02 | 2.15 | 2.09 | 1.96 | 1.65 | 1.65 | 1.87 |
| 50 | 1950 | 1.83 | 1.80 | 1.84 | 1.97 | 2.08 | 2.06 | 2.16 | 2.18 | 2.05 | 1.64 | 1.66 | 1.84 |
| 60 | 1950 | 1.87 | 1.88 | 1.93 | 2.05 | 2.18 | 2.18 | 2.25 | 2.26 | 2.12 | 1.73 | 1.66 | 1.88 |
| 70 | 1950 | 1.83 | 1.83 | 1.89 | 2.00 | 2.07 | 2.06 | 2.16 | 2.12 | 2.10 | 1.75 | 1.75 | 1.94 |
| 80 | 1950 | 1.80 | 1.81 | 1.85 | 1.96 | 2.11 | 2.09 | 2.16 | 2.14 | 2.08 | 1.70 | 1.71 | 1.91 |
| 90 | 1950 | 1.81 | 1.83 | 1.88 | 1.99 | 2.20 | 2.17 | 2.23 | 2.26 | 2.18 | 1.71 | 1.73 | 1.91 |
| STATE | 1950 | 1.77 | 1.77 | 1.82 | 1.92 | 2.05 | 2.00 | 2.10 | 2.10 | 2.00 | 1.65 | 1.65 | 1.85 |
| DIST. | YEAR | JAN. | FEB. | MAR. | APR. | MAY | JUNE | JULY | AUG. | SEPT. | OCT. | NOV. | DEC. |
| 10 | 1951 | 2.08 | 2.24 | 2.15 | 2.18 | 2.19 | 2.12 | 2.15 | 2.14 | 2.19 | 2.14 | 2.26 | 2.42 |
| 20 | 1951 | 2.05 | 2.22 | 2.12 | 2.12 | 2.15 | 2.05 | 2.07 | 2.06 | 2.06 | 2.06 | 2.24 | 2.42 |
| 30 | 1951 | 2.07 | 2.22 | 2.11 | 2.09 | 2.16 | 2.08 | 2.09 | 2.03 | 2.10 | 2.05 | 2.24 | 2.41 |
| 40 | 1951 | 2.10 | 2.27 | 2.16 | 2.16 | 2.22 | 2.16 | 2.17 | 2.16 | 2.18 | 2.12 | 2.28 | 2.46 |
| 50 | 1951 | 2.10 | 2.27 | 2.15 | 2.12 | 2.19 | 2.10 | 2.12 | 2.14 | 2.15 | 2.12 | 2.27 | 2.44 |
| 60 | 1951 | 2.12 | 2.27 | 2.18 | 2.16 | 2.23 | 2.15 | 2.20 | 2.21 | 2.23 | 2.18 | 2.31 | 2.49 |
| 70 | 1951 | 2.19 | 2.31 | 2.28 | 2.32 | 2.34 | 2.30 | 2.30 | 2.35 | 2.32 | 2.31 | 2.48 | 2.64 |
| 80 | 1951 | 2.16 | 2.29 | 2.25 | 2.30 | 2.32 | 2.27 | 2.25 | 2.30 | 2.27 | 2.30 | 2.49 | 2.68 |
| 90 | 1951 | 2.18 | 2.30 | 2.31 | 2.29 | 2.32 | 2.30 | 2.24 | 2.35 | 2.35 | 2.28 | 2.50 | 2.70 |
| STATE | 1951 | 2.10 | 2.25 | 2.16 | 2.15 | 2.20 | 2.13 | 2.14 | 2.13 | 2.16 | 2.12 | 2.30 | 2.48 |
| DIST. | YEAR | JAN. | FEB. | MAR. | APR. | MAY | JUNE | JULY | AUG. | SEPT. | OCT. | NOV. | DEC. |
| 10 | 1952 | 2.40 | 2.38 | 2.40 | 2.40 | 2.44 | 2.52 | 2.57 | 2.71 | 2.90 | 2.62 | 2.68 | 2.65 |
| 20 | 1952 | 2.39 | 2.34 | 2.35 | 2.39 | 2.42 | 2.52 | 2.58 | 2.71 | 2.85 | 2.61 | 2.68 | 2.68 |
| 30 | 1952 | 2.39 | 2.36 | 2.38 | 2.38 | 2.46 | 2.56 | 2.60 | 2.73 | 2.86 | 2.66 | 2.71 | 2.69 |
| 40 | 1952 | 2.50 | 2.48 | 2.51 | 2.48 | 2.55 | 2.66 | 2.75 | 2.95 | 2.90 | 2.61 | 2.65 | 2.65 |
| 50 | 1952 | 2.47 | 2.43 | 2.44 | 2.49 | 2.51 | 2.62 | 2.71 | 2.88 | 2.90 | 2.67 | 2.66 | 2.74 |
| 60 | 1952 | 2.55 | 2.50 | 2.55 | 2.58 | 2.62 | 2.76 | 2.83 | 3.02 | 3.08 | 2.72 | 2.74 | 2.75 |
| 70 | 1952 | 2.68 | 2.66 | 2.71 | 2.71 | 2.72 | 2.87 | 2.92 | 3.05 | 2.97 | 2.65 | 2.65 | 2.70 |
| 80 | 1952 | 2.70 | 2.67 | 2.71 | 2.72 | 2.74 | 2.88 | 2.93 | 3.06 | 2.97 | 2.66 | 2.66 | 2.74 |
| 90 | 1952 | 2.71 | 2.67 | 2.71 | 2.76 | 2.70 | 2.89 | 2.96 | 3.12 | 2.95 | 2.69 | 2.71 | 2.75 |
| STATE | 1952 | 2.46 | 2.42 | 2.44 | 2.46 | 2.51 | 2.62 | 2.68 | 2.83 | 2.91 | 2.66 | 2.70 | 2.70 |
| DIST. | YEAR | JAN. | FEB. | MAR. | APR. | MAY | JUNE | JULY | AUG. | SEPT. | OCT. | NOV. | DEC. |
| 10 | 1953 | 2.63 | 2.39 | 2.45 | 2.24 | 2.26 | 2.23 | 2.23 | 2.28 | 2.10 | 1.94 | 2.01 | 2.02 |
| 20 | 1953 | 2.60 | 2.40 | 2.40 | 2.22 | 2.25 | 2.22 | 2.23 | 2.28 | 2.06 | 1.87 | 1.96 | 1.99 |
| 30 | 1953 | 2.65 | 2.42 | 2.42 | 2.23 | 2.25 | 2.19 | 2.26 | 2.27 | 2.06 | 1.99 | 1.98 | 1.99 |
| 40 | 1953 | 2.62 | 2.43 | 2.44 | 2.31 | 2.34 | 2.23 | 2.30 | 2.31 | 2.16 | 1.94 | 2.03 | 2.08 |
| 50 | 1953 | 2.71 | 2.54 | 2.54 | 2.34 | 2.35 | 2.29 | 2.32 | 2.35 | 2.15 | 1.93 | 1.99 | 2.05 |
| 60 | 1953 | 2.77 | 2.55 | 2.55 | 2.46 | 2.41 | 2.36 | 2.40 | 2.41 | 2.15 | 2.01 | 2.07 | 2.11 |
| 70 | 1953 | 2.70 | 2.55 | 2.56 | 2.49 | 2.50 | 2.39 | 2.41 | 2.41 | 2.22 | 2.01 | 2.02 | 2.10 |
| 80 | 1953 | 2.72 | 2.57 | 2.59 | 2.50 | 2.50 | 2.40 | 2.43 | 2.44 | 2.23 | 1.96 | 2.02 | 2.11 |
| 90 | 1953 | 2.80 | 2.62 | 2.63 | 2.53 | 2.54 | 2.42 | 2.46 | 2.48 | 2.25 | 1.98 | 1.99 | 2.10 |
| STATE | 1953 | 2.68 | 2.49 | 2.50 | 2.35 | 2.36 | 2.28 | 2.33 | 2.35 | 2.14 | 1.96 | 2.01 | 2.06 |
| DIST. | YEAR | JAN. | FEB. | MAR. | APR. | MAY | JUNE | JULY | AUG. | SEPT. | OCT. | NOV. | DEC. |
| 10 | 1954 | 2.05 | 2.09 | 2.15 | 2.24 | 2.29 | 2.28 | 2.24 | 2.34 | 2.26 | 2.04 | 2.01 | 2.08 |
| 20 | 1954 | 2.02 | 2.09 | 2.15 | 2.24 | 2.28 | 2.28 | 2.24 | 2.34 | 2.26 | 2.05 | 2.02 | 2.09 |
| 30 | 1954 | 2.05 | 2.13 | 2.18 | 2.27 | 2.30 | 2.29 | 2.25 | 2.35 | 2.27 | 2.07 | 2.04 | 2.11 |
| 40 | 1954 | 2.08 | 2.17 | 2.24 | 2.35 | 2.42 | 2.36 | 2.36 | 2.46 | 2.35 | 2.10 | 2.05 | 2.14 |
| 50 | 1954 | 2.08 | 2.16 | 2.22 | 2.30 | 2.33 | 2.33 | 2.30 | 2.39 | 2.37 | 2.18 | 2.14 | 2.23 |
| 60 | 1954 | 2.16 | 2.22 | 2.29 | 2.37 | 2.39 | 2.37 | 2.38 | 2.48 | 2.41 | 2.24 | 2.16 | 2.26 |
| 70 | 1954 | 2.18 | 2.20 | 2.28 | 2.38 | 2.40 | 2.38 | 2.38 | 2.48 | 2.41 | 2.23 | 2.18 | 2.21 |
| 80 | 1954 | 2.18 | 2.24 | 2.28 | 2.38 | 2.40 | 2.37 | 2.38 | 2.48 | 2.41 | 2.21 | 2.16 | 2.22 |
| 90 | 1954 | 2.17 | 2.21 | 2.27 | 2.37 | 2.39 | 2.38 | 2.38 | 2.50 | 2.42 | 2.24 | 2.19 | 2.22 |
| STATE | 1954 | 2.10 | 2.17 | 2.23 | 2.32 | 2.35 | 2.33 | 2.31 | 2.41 | 2.34 | 2.15 | 2.10 | 2.18 |
| DIST. | YEAR | JAN. | FEB. | MAR. | APR. | MAY | JUNE | JULY | AUG. | SEPT. | OCT. | NOV. | DEC. |
| 10 | 1955 | 2.13 | 2.14 | 2.07 | 2.06 | 2.16 | 2.31 | 2.14 | 2.16 | 2.15 | 1.88 | 1.96 | 1.95 |
| 20 | 1955 | 2.13 | 2.13 | 2.06 | 2.05 | 2.14 | 2.25 | 2.00 | 1.94 | 1.72 | 1.72 | 1.71 | 1.73 |
| 30 | 1955 | 2.13 | 2.11 | 2.09 | 2.08 | 2.16 | 2.25 | 2.00 | 1.83 | 1.67 | 1.64 | 1.60 | 1.66 |
| 40 | 1955 | 2.23 | 2.22 | 2.18 | 2.14 | 2.25 | 2.37 | 2.18 | 2.19 | 1.98 | 1.96 | 1.97 | 2.06 |
| 50 | 1955 | 2.26 | 2.27 | 2.24 | 2.26 | 2.27 | 2.39 | 2.25 | 2.09 | 1.99 | 1.93 | 1.88 | 1.92 |
| 60 | 1955 | 2.29 | 2.30 | 2.30 | 2.27 | 2.30 | 2.41 | 2.30 | 2.11 | 2.01 | 1.80 | 1.77 | 1.84 |
| 70 | 1955 | 2.25 | 2.26 | 2.23 | 2.21 | 2.26 | 2.34 | 2.29 | 2.16 | 2.01 | 1.87 | 1.83 | 1.82 |
| 80 | 1955 | 2.28 | 2.28 | 2.25 | 2.23 | 2.32 | 2.43 | 2.39 | 2.16 | 1.90 | 1.88 | 1.72 | 1.81 |
| 90 | 1955 | 2.28 | 2.28 | 2.26 | 2.28 | 2.38 | 2.50 | 2.38 | 2.10 | 1.81 | 1.79 | 1.72 | 1.82 |
| STATE | 1955 | 2.22 | 2.22 | 2.19 | 2.18 | 2.21 | 2.31 | 2.12 | 2.01 | 1.85 | 1.79 | 1.76 | 1.81 |
| DIST. | YEAR | JAN. | FEB. | MAR. | APR. | MAY | JUNE | JULY | AUG. | SEPT. | OCT. | NOV. | DEC. |
| 10 | 1956 | 1.96 | 1.96 | 1.94 | 1.96 | 2.09 | 2.25 | 2.34 | 2.38 | 2.33 | 2.27 | 2.30 | 2.36 |
| 20 | 1956 | 1.78 | 1.79 | 1.82 | 1.89 | 2.01 | 2.15 | 2.19 | 2.24 | 2.23 | 2.27 | 2.30 | 2.36 |
| 30 | 1956 | 1.69 | 1.70 | 1.72 | 1.79 | 1.94 | 2.07 | 2.14 | 2.20 | 2.06 | 2.12 | 2.23 | 2.24 |
| 40 | 1956 | 2.05 | 2.01 | 2.04 | 2.07 | 2.22 | 2.37 | 2.40 | 2.46 | 2.32 | 2.27 | 2.30 | 2.36 |
| 50 | 1956 | 1.92 | 1.96 | 1.95 | 2.03 | 2.09 | 2.25 | 2.35 | 2.46 | 2.28 | 2.29 | 2.35 | 2.38 |
| 60 | 1956 | 1.90 | 1.91 | 1.94 | 1.96 | 2.07 | 2.19 | 2.32 | 2.40 | 2.26 | 2.25 | 2.30 | 2.35 |
| 70 | 1956 | 1.95 | 1.96 | 1.98 | 2.05 | 2.22 | 2.29 | 2.35 | 2.44 | 2.00 | 2.05 | 2.16 | 2.25 |
| 80 | 1956 | 1.93 | 1.94 | 1.92 | 2.05 | 2.14 | 2.29 | 2.33 | 2.42 | 2.00 | 2.07 | 2.15 | 2.20 |
| 90 | 1956 | 1.96 | 1.94 | 1.91 | 2.05 | 2.15 | 2.35 | 2.39 | 2.42 | 2.00 | 2.06 | 2.16 | 2.25 |
| STATE | 1956 | 1.81 | 1.82 | 1.83 | 1.90 | 2.03 | 2.16 | 2.23 | 2.30 | 2.10 | 2.15 | 2.23 | 2.27 |
| DIST. | YEAR | JAN. | FEB. | MAR. | APR. | MAY | JUNE | JULY | AUG. | SEPT. | OCT. | NOV. | DEC. |
| 10 | 1957 | 2.39 | 2.37 | 2.33 | 2.27 | 2.17 | 2.05 | 2.00 | 1.92 | 1.36 | 1.15 | 1.20 | 1.30 |
| 20 | 1957 | 2.31 | 2.29 | 2.23 | 2.20 | 1.97 | 1.87 | 1.82 | 1.84 | 1.34 | 1.15 | 1.20 | 1.35 |
| 30 | 1957 | 2.16 | 2.10 | 2.11 | 2.09 | 1.87 | 1.82 | 1.75 | 1.70 | 1.33 | 1.20 | 1.30 | 1.40 |
| 40 | 1957 | 2.37 | 2.34 | 2.33 | 2.33 | 2.22 | 2.16 | 2.05 | 2.00 | 1.49 | 1.15 | 1.20 | 1.30 |
| 50 | 1957 | 2.40 | 2.36 | 2.34 | 2.30 | 2.20 | 2.06 | 2.03 | 1.95 | 1.45 | 1.20 | 1.30 | 1.35 |
| 60 | 1957 | 2.33 | 2.32 | 2.30 | 2.30 | 2.12 | 2.00 | 1.97 | 1.92 | 1.50 | 1.20 | 1.35 | 1.40 |
| 70 | 1957 | 2.31 | 2.25 | 2.25 | 2.21 | 2.14 | 2.09 | 2.00 | 1.95 | 1.37 | 1.25 | 1.35 | 1.40 |
| 80 | 1957 | 2.22 | 2.16 | 2.13 | 2.13 | 2.09 | 2.00 | 2.00 | 1.98 | 1.39 | 1.25 | 1.40 | 1.45 |
| 90 | 1957 | 2.36 | 2.32 | 2.29 | 2.26 | 2.21 | 2.10 | 2.10 | 2.00 | 1.55 | 1.40 | 1.50 | 1.55 |
| STATE | 1957 | 2.23 | 2.19 | 2.18 | 2.16 | 2.02 | 1.94 | 1.89 | 1.85 | 1.38 | 1.22 | 1.27 | 1.40 |
| DIST. | YEAR | JAN. | FEB. | MAR. | APR. | MAY | JUNE | JULY | AUG. | SEPT. | OCT. | NOV. | DEC. |
| 10 | 1958 | 1.37 | 1.37 | 1.47 | 1.58 | 1.56 | 1.57 | 1.68 | 1.70 | 1.62 | 1.34 | 1.42 | 1.50 |
| 20 | 1958 | 1.40 | 1.43 | 1.55 | 1.64 | 1.60 | 1.63 | 1.67 | 1.77 | 1.65 | 1.35 | 1.49 | 1.53 |
| 30 | 1958 | 1.45 | 1.46 | 1.57 | 1.68 | 1.67 | 1.67 | 1.72 | 1.76 | 1.63 | 1.42 | 1.53 | 1.57 |
| 40 | 1958 | 1.40 | 1.46 | 1.55 | 1.66 | 1.60 | 1.62 | 1.70 | 1.80 | 1.58 | 1.28 | 1.41 | 1.52 |
| 50 | 1958 | 1.45 | 1.49 | 1.58 | 1.67 | 1.67 | 1.64 | 1.67 | 1.75 | 1.62 | 1.35 | 1.45 | 1.51 |
| 60 | 1958 | 1.47 | 1.54 | 1.64 | 1.74 | 1.76 | 1.76 | 1.85 | 1.88 | 1.52 | 1.42 | 1.50 | 1.58 |
| 70 | 1958 | 1.50 | 1.53 | 1.68 | 1.74 | 1.72 | 1.77 | 1.85 | 1.90 | 1.61 | 1.40 | 1.46 | 1.56 |
| 80 | 1958 | 1.50 | 1.58 | 1.70 | 1.85 | 1.81 | 1.89 | 1.90 | 1.92 | 1.54 | 1.36 | 1.47 | 1.60 |
| 90 | 1958 | 1.60 | 1.68 | 1.85 | 1.97 | 1.92 | 1.93 | 2.05 | 2.10 | 1.45 | 1.38 | 1.51 | 1.68 |
| STATE | 1958 | 1.46 | 1.50 | 1.58 | 1.69 | 1.67 | 1.68 | 1.74 | 1.80 | 1.60 | 1.37 | 1.48 | 1.56 |
| DIST. | YEAR | JAN. | FEB. | MAR. | APR. | MAY | JUNE | JULY | AUG. | SEPT. | OCT. | NOV. | DEC. |
| 10 | 1959 | 1.55 | 1.54 | 1.56 | 1.62 | 1.70 | 1.73 | 1.65 | 1.62 | 1.52 | 1.30 | 1.32 | 1.34 |
| 20 | 1959 | 1.56 | 1.60 | 1.62 | 1.70 | 1.72 | 1.74 | 1.70 | 1.64 | 1.45 | 1.30 | 1.28 | 1.30 |
| 30 | 1959 | 1.64 | 1.65 | 1.67 | 1.70 | 1.74 | 1.77 | 1.68 | 1.68 | 1.46 | 1.38 | 1.35 | 1.35 |
| 40 | 1959 | 1.56 | 1.57 | 1.58 | 1.66 | 1.69 | 1.75 | 1.70 | 1.67 | 1.34 | 1.28 | 1.26 | 1.28 |
| 50 | 1959 | 1.58 | 1.60 | 1.62 | 1.65 | 1.71 | 1.77 | 1.75 | 1.71 | 1.32 | 1.30 | 1.29 | 1.28 |
| 60 | 1959 | 1.62 | 1.69 | 1.67 | 1.73 | 1.78 | 1.82 | 1.79 | 1.80 | 1.35 | 1.33 | 1.32 | 1.34 |
| 70 | 1959 | 1.63 | 1.68 | 1.66 | 1.72 | 1.78 | 1.82 | 1.80 | 1.77 | 1.44 | 1.34 | 1.32 | 1.34 |
| 80 | 1959 | 1.65 | 1.68 | 1.70 | 1.70 | 1.75 | 1.79 | 1.77 | 1.77 | 1.34 | 1.34 | 1.32 | 1.33 |
| 90 | 1959 | 1.72 | 1.77 | 1.76 | 1.78 | 1.83 | 1.86 | 1.84 | 1.83 | 1.36 | 1.35 | 1.33 | 1.36 |
| STATE | 1959 | 1.61 | 1.64 | 1.65 | 1.70 | 1.74 | 1.78 | 1.73 | 1.71 | 1.40 | 1.33 | 1.31 | 1.33 |
| DIST. | YEAR | JAN. | FEB. | MAR. | APR. | MAY | JUNE | JULY | AUG. | SEPT. | OCT. | NOV. | DEC. |
| 10 | 1960 | 1.35 | 1.37 | 1.38 | 1.39 | 1.39 | 1.36 | 1.36 | 1.38 | 1.35 | 1.26 | 1.20 | 1.23 |
| 20 | 1960 | 1.32 | 1.33 | 1.33 | 1.34 | 1.33 | 1.31 | 1.31 | 1.36 | 1.37 | 1.25 | 1.19 | 1.21 |
| 30 | 1960 | 1.35 | 1.37 | 1.40 | 1.41 | 1.40 | 1.38 | 1.37 | 1.37 | 1.38 | 1.29 | 1.23 | 1.26 |
| 40 | 1960 | 1.31 | 1.33 | 1.34 | 1.40 | 1.40 | 1.38 | 1.36 | 1.37 | 1.24 | 1.19 | 1.17 | 1.20 |
| 50 | 1960 | 1.31 | 1.33 | 1.35 | 1.37 | 1.39 | 1.40 | 1.39 | 1.38 | 1.29 | 1.20 | 1.20 | 1.21 |
| 60 | 1960 | 1.35 | 1.37 | 1.37 | 1.40 | 1.40 | 1.40 | 1.40 | 1.38 | 1.29 | 1.23 | 1.24 | 1.24 |
| 70 | 1960 | 1.40 | 1.40 | 1.41 | 1.48 | 1.50 | 1.52 | 1.48 | 1.49 | 1.32 | 1.28 | 1.31 | 1.33 |
| 80 | 1960 | 1.41 | 1.44 | 1.47 | 1.50 | 1.51 | 1.50 | 1.51 | 1.49 | 1.30 | 1.27 | 1.29 | 1.31 |
| 90 | 1960 | 1.47 | 1.50 | 1.53 | 1.58 | 1.58 | 1.58 | 1.58 | 1.53 | 1.26 | 1.23 | 1.29 | 1.34 |
| STATE | 1960 | 1.36 | 1.38 | 1.39 | 1.42 | 1.42 | 1.42 | 1.41 | 1.41 | 1.32 | 1.25 | 1.23 | 1.26 |
| DIST. | YEAR | JAN. | FEB. | MAR. | APR. | MAY | JUNE | JULY | AUG. | SEPT. | OCT. | NOV. | DEC. |
| 10 | 1961 | 1.29 | 1.32 | 1.38 | 1.39 | 1.47 | 1.54 | 1.61 | 1.67 | 1.68 | 1.53 | 1.54 | 1.51 |
| 20 | 1961 | 1.26 | 1.31 | 1.34 | 1.38 | 1.46 | 1.53 | 1.60 | 1.64 | 1.64 | 1.54 | 1.55 | 1.57 |
| 30 | 1961 | 1.30 | 1.36 | 1.42 | 1.40 | 1.49 | 1.56 | 1.60 | 1.65 | 1.65 | 1.53 | 1.60 | 1.59 |
| 40 | 1961 | 1.28 | 1.33 | 1.36 | 1.33 | 1.45 | 1.55 | 1.58 | 1.63 | 1.65 | 1.47 | 1.51 | 1.54 |
| 50 | 1961 | 1.29 | 1.33 | 1.36 | 1.37 | 1.42 | 1.54 | 1.60 | 1.67 | 1.69 | 1.53 | 1.56 | 1.59 |
| 60 | 1961 | 1.31 | 1.37 | 1.40 | 1.42 | 1.47 | 1.57 | 1.66 | 1.71 | 1.73 | 1.54 | 1.60 | 1.63 |
| 70 | 1961 | 1.45 | 1.45 | 1.48 | 1.45 | 1.58 | 1.68 | 1.69 | 1.64 | 1.70 | 1.52 | 1.55 | 1.57 |
| 80 | 1961 | 1.40 | 1.44 | 1.46 | 1.46 | 1.55 | 1.64 | 1.74 | 1.77 | 1.76 | 1.54 | 1.58 | 1.64 |
| 90 | 1961 | 1.50 | 1.51 | 1.55 | 1.53 | 1.56 | 1.71 | 1.82 | 1.81 | 1.79 | 1.62 | 1.64 | 1.68 |
| STATE | 1961 | 1.33 | 1.38 | 1.41 | 1.41 | 1.49 | 1.59 | 1.65 | 1.68 | 1.69 | 1.53 | 1.57 | 1.59 |
| DIST. | YEAR | JAN. | FEB. | MAR. | APR. | MAY | JUNE | JULY | AUG. | SEPT. | OCT. | NOV. | DEC. |
| 10 | 1962 | 1.56 | 1.59 | 1.62 | 1.61 | 1.62 | 1.63 | 1.65 | 1.65 | 1.62 | 1.42 | 1.45 | 1.49 |
| 20 | 1962 | 1.60 | 1.62 | 1.62 | 1.61 | 1.61 | 1.62 | 1.63 | 1.64 | 1.63 | 1.51 | 1.48 | 1.53 |
| 30 | 1962 | 1.61 | 1.63 | 1.63 | 1.63 | 1.64 | 1.64 | 1.64 | 1.63 | 1.63 | 1.60 | 1.56 | 1.57 |
| 40 | 1962 | 1.58 | 1.60 | 1.58 | 1.60 | 1.60 | 1.61 | 1.63 | 1.59 | 1.51 | 1.43 | 1.42 | 1.48 |
| 50 | 1962 | 1.60 | 1.60 | 1.59 | 1.59 | 1.59 | 1.60 | 1.64 | 1.63 | 1.56 | 1.48 | 1.48 | 1.50 |
| 60 | 1962 | 1.66 | 1.66 | 1.64 | 1.64 | 1.65 | 1.65 | 1.67 | 1.66 | 1.61 | 1.60 | 1.55 | 1.57 |
| 70 | 1962 | 1.59 | 1.64 | 1.67 | 1.65 | 1.64 | 1.64 | 1.66 | 1.67 | 1.58 | 1.57 | 1.54 | 1.58 |
| 80 | 1962 |