1951 11  7.14 -99.99 -99.99 
1952 02  2.41 -99.99 -99.99 
1952 03  5.89 -99.99 -99.99 
1952 06 28.11  15.96  22.03 
1952 07 32.18  19.79  25.99 
1952 08 31.53  19.95  25.74 
1952 09 27.58  14.28  20.93 
1952 10 21.25   7.07  14.16 
1952 11  6.00  -4.08    .96 
1952 12  2.30  -5.61  -1.65 
1953 01  7.57  -1.61   2.98 
1953 02  7.47  -2.91   2.27 
1953 03 12.40    .58   6.49 
1953 04 14.00   3.92   8.96 
1953 05 18.46   6.03  12.25 
1953 06 26.87  11.99  19.43 
1953 07 33.83  20.86  27.34 
1953 08 31.94  18.12  25.03 
1953 09 27.35  14.19  20.77 
1953 10 18.03   6.23  12.13 
1953 11 11.42   1.04   6.23 
1953 12  2.34  -6.46  -2.05 
1954 01  4.31  -6.23   -.96 
1954 02  5.89  -2.23   1.83 
1954 03  9.31   -.76   4.27 
1954 04 19.20   6.94  13.07 
1954 05 24.15  11.69  17.92 
1954 06 26.21  13.63  19.92 
1954 07 33.59  20.97  27.28 
1954 08 30.89  18.75  24.82 
1954 09 25.83  13.45  19.64 
1954 10 17.08   5.27  11.17 
1954 11 10.52    .-7   5.22 
1954 12  1.64  -6.83  -2.59 
1955 01 -2.15 -12.76  -7.45 
1955 02  1.49  -7.21  -2.86 
1955 03  8.85  -2.21   3.32 
1955 04 13.86   2.11   7.99 
1955 05 21.36   9.64  15.50 
1955 06 26.21  14.30  20.25 
1955 07 31.36  19.76  25.56 
1955 08 99.99  20.11 -99.99 
1955 09 25.24  13.60  19.42 
1955 10 17.09   6.24  11.66 
1955 11  5.50  -2.93   1.28 
1955 12  3.77  -3.45    .15 
1956 01  2.88  -2.60    .14 
1956 02   .79  -7.52  -3.36 
1956 03 11.36    . 8   5.72 
1956 04 16.01   5.36  10.68 
1956 05 22.68  11.67  17.17 
1956 06 29.61  17.19  23.40 
1956 07 33.25  20.68  26.96 
1956 08 30.65  17.98  24.31 
1956 09 27.36  13.61  20.48 
1956 10 16.76   6.05  11.40 
1956 11  5.95  -4.56    .69 
1956 12  2.16  -7.23  -2.53 
1957 01  -.40  -8.03  -4.21 
1957 02  8.43   -.69   3.87 
1957 03 11.39   1.16   6.28 
1966 07 34.02  20.49  27.25 
1966 11 14.54   2.65   8.59 
1967 04 13.36    .65   7.00 
1968 07 33.59  20.39  26.99 
