1951 04 17.40   8.10  12.75 
1951 05 15.90   7.30  11.60 
1951 06 13.70   6.10   9.89 
1951 07 12.80   4.90   8.85 
1951 08 12.30   3.70   8.00 
1951 09 17.00   5.70  11.35 
1951 10 18.20   7.40  12.80 
1951 11 21.10   8.39  14.75 
1952 01 26.20  12.20  19.20 
1952 02 22.50  12.70  17.60 
1952 03 22.80  12.60  17.70 
1952 04 18.29   8.60  13.45 
1952 05 15.60   6.80  11.20 
1952 06 14.10   6.70  10.40 
1952 07 12.10   2.60   7.35 
1952 08 13.10   4.19   8.64 
1952 09 16.70   6.20  11.45 
1952 10 18.40   8.70  13.54 
1952 11 20.00   9.00  14.50 
1952 12 22.20  11.30  16.75 
1953 01 23.60  12.50  18.04 
1953 02 23.60  13.70  18.65 
1953 03 24.40  11.90  18.15 
1953 04 21.50   9.80  15.65 
1953 05 17.50 -99.99 -99.99 
1953 07 13.70   3.20   8.45 
1953 09 16.79   5.40  11.10 
1953 10 19.00   7.10  13.05 
1953 11 20.80   8.39  14.60 
1953 12 24.30  10.60  17.45 
1954 03 24.20   9.39  16.79 
1954 05 16.60   5.40  11.00 
1954 06 13.80   6.10   9.95 
1954 07 12.80   2.70   7.75 
1954 08 14.70   3.90   9.30 
1954 09 16.70   4.40  10.55 
1954 10 19.20   7.10  13.15 
1954 11 20.29   8.70  14.50 
1955 01 25.60  12.70  19.15 
1955 02 24.60  14.80  19.70 
1955 03 22.10  12.10  17.10 
1955 04 20.40   6.80  13.60 
1955 05 14.60   5.30   9.95 
1955 06 12.50   2.90   7.70 
1955 07 12.90   4.30   8.60 
1955 08 14.60   5.00   9.80 
1955 09 16.79   6.20  11.50 
1955 10 18.70   6.90  12.80 
1955 11 20.90   7.20  14.04 
1955 12 23.70 -99.99 -99.99 
1956 01 23.60  11.70  17.65 
1956 02 27.60  15.70  21.65 
1956 03 24.10  14.20  19.15 
1956 04 19.50   9.50  14.50 
1956 05 15.30   7.10  11.20 
1956 06 13.20   4.80   9.00 
1956 07 12.80   3.30   8.05 
1956 08 13.50   3.70   8.60 
1956 09 16.40   5.20  10.79 
1956 10 16.50   7.10  11.80 
1956 11 18.70   7.60  13.15 
1965 03 23.60  10.50  17.04 
