1959 01 -27.40 -34.90 -31.15 
1959 02 -28.20 -34.59 -31.40 
1959 03 -26.20 -34.30 -30.25 
1959 04 -15.50 -24.80 -20.15 
1959 05  -8.30 -16.79 -12.54 
1959 06   2.60  -3.10   -.25 
1959 07   9.39   2.80   6.10 
1959 08   7.20   1.30   4.25 
1959 09   1.10  -3.90  -1.40 
1959 10 -10.40 -17.70 -14.05 
1959 11 -20.10 -26.40 -23.25 
1959 12 -19.79 -29.60 -24.70 
1960 01 -99.99 -38.59 -99.99 
1960 02 -99.99 -37.80 -99.99 
1960 03 -25.40 -36.80 -31.09 
1960 04 -14.50 -27.40 -20.95 
1960 05  -2.60  -9.30  -5.95 
1960 06   9.30   1.30   5.30 
1960 07  12.10   4.30   8.20 
1960 08  10.80   5.10   7.95 
1960 09   1.20  -1.90   -.34 
1960 10  -7.30 -14.30 -10.80 
1960 11 -23.40 -30.10 -26.75 
1960 12 -22.20 -30.20 -26.20 
1961 01 -32.09 -37.09 -34.59 
1961 02 -29.70 -34.59 -32.15 
1961 03 -34.40 -39.59 -37.00 
1961 04 -19.29 -25.50 -22.40 
1961 05  -6.80 -13.40 -10.10 
1961 06   4.80  -1.00   1.90 
1961 07  14.20   5.60   9.89 
1961 08   6.90   2.09   4.50 
1961 09  -2.60  -6.20  -4.39 
1961 10 -14.00 -19.20 -16.60 
1961 11 -19.70 -25.60 -22.65 
1961 12 -32.00 -37.00 -34.50 
1962 01 -31.10 -37.59 -34.34 
1962 02 -32.59 -38.20 -35.40 
1962 03 -23.30 -30.70 -27.00 
1962 04 -18.79 -27.40 -23.09 
1962 05  -9.00 -16.90 -12.95 
1962 06   8.00   0.80   4.40 
1962 07  13.30   4.00   8.64 
1962 08  10.20   2.70   6.45 
1962 09   2.00  -3.30   -.65 
1962 10  -8.60 -13.30 -10.95 
1962 11 -22.60 -28.60 -25.60 
1962 12 -24.30 -32.30 -28.30 
1963 01 -99.99 -37.40 -99.99 
1963 02 -27.90 -33.90 -30.90 
1963 03 -99.99 -37.70 -99.99 
1963 04 -14.20 -21.60 -17.90 
1963 05  -7.10 -13.60 -10.35 
1963 06   3.20  -1.10   1.04 
1963 07   7.20   3.70   5.45 
