1938 01 29.70  25.90  27.80 
1938 02 29.80 -99.99 -99.99 
1938 03 29.80  24.90  27.34 
1938 04 30.20  25.00  27.60 
1938 05 29.40  25.40  27.40 
1938 06 28.80  25.60  27.20 
1938 07 28.30  25.20  26.75 
1938 08 28.10  25.00  26.55 
1938 09 28.20  25.20  26.70 
1938 11 29.40  24.80  27.09 
1938 12 28.70  24.80  26.75 
1939 01 28.40  24.60  26.50 
1939 02 29.40  24.80  27.09 
1939 03 29.30  24.90  27.09 
1939 04 29.30  25.40  27.34 
1939 05 29.20  25.90  27.55 
1939 06 28.90  25.60  27.25 
1939 07 28.70  24.70  26.70 
1939 08 28.40  25.30  26.84 
1939 09 29.10  25.30  27.20 
1939 10 29.60  24.90  27.25 
1939 11 30.30  25.20  27.75 
1939 12 30.90  25.60  28.25 
1940 01 30.60  25.70  28.15 
1940 02 30.30  25.40  27.84 
1940 03 30.40  25.90  28.15 
1940 04 30.80  26.20  28.50 
1940 05 30.70  26.40  28.55 
1940 06 29.60  25.70  27.65 
1940 07 29.60  25.30  27.45 
1940 08 29.50  25.50  27.50 
1940 09 29.60  25.40  27.50 
1940 10 30.10  25.40  27.75 
1940 11 30.30  25.10  27.70 
1940 12 30.80  25.90  28.34 
1941 01 30.70  25.80  28.25 
1941 02 30.60  25.90  28.25 
1941 03 31.20  26.20  28.70 
1941 04 30.40  26.70  28.55 
1941 05 30.00  26.20  28.10 
1941 06 29.60  25.60  27.60 
1941 07 28.50  25.10  26.80 
1941 08 28.90  25.80  27.34 
1941 09 29.00  25.90  27.45 
1941 10 29.60  25.50  27.55 
1941 11 30.10  26.20  28.15 
1941 12 30.30  26.10  28.20 
1942 01 30.50  25.60  28.05 
1942 02 30.60  25.30  27.95 
1942 03 30.70  25.70  28.20 
1942 04 31.10  25.60  28.35 
1942 05 30.60  25.80  28.20 
1942 06 30.20  25.80  28.00 
1942 07 29.30  25.10  27.20 
1942 08 28.70  25.10  26.90 
1942 09 29.30  24.90  27.09 
1942 10 30.10  25.00  27.55 
1942 11 30.40  24.70  27.55 
1942 12 31.40  24.70  28.05 
1943 01 30.80  24.70  27.75 
1943 02 32.20  25.80  29.00 
1943 03 30.90  25.20  28.05 
1943 04 31.90  25.60  28.75 
1943 05 31.90  26.00  28.95 
1943 06 30.30  25.30  27.80 
1943 07 30.10  24.40  27.25 
1943 08 30.70  24.40  27.55 
1943 09 31.10  24.70  27.90 
1943 10 31.30  24.90  28.09 
1943 11 31.40  24.40  27.90 
1943 12 30.20  24.40  27.30 
1944 01 30.60  24.30  27.45 
1944 02 30.60  24.60  27.60 
1944 03 32.20  25.40  28.80 
1944 04 32.20  25.80  29.00 
1944 05 32.30  25.60  28.95 
1944 06 31.60  25.20  28.40 
1944 07 30.80  24.80  27.80 
1944 08 30.30  24.60  27.45 
1944 09 31.40  24.90  28.15 
1944 10 30.50  24.40  27.45 
1944 11 31.70  24.70  28.20 
1944 12 31.10  24.80  27.95 
1945 01 31.40  24.30  27.84 
1945 02 32.50  24.70  28.60 
1945 03 31.60  25.10  28.35 
1945 04 31.90  25.30  28.59 
1945 05 32.09  25.10  28.59 
1945 06 31.00  25.00  28.00 
1945 07 30.90  24.80  27.84 
1945 08 30.70  24.40  27.55 
1945 09 31.80  24.60  28.20 
1945 10 31.90  24.80  28.34 
1945 11 32.00  24.50  28.25 
1945 12 31.60  24.40  28.00 
1946 01 31.10  24.80  27.95 
1946 02 32.09  24.90  28.50 
1946 03 31.70  25.10  28.40 
1946 04 31.70  25.30  28.50 
1946 05 31.40  25.10  28.25 
1946 06 30.80  25.10  27.95 
1946 07 30.80  24.40  27.59 
1946 08 30.60  24.60  27.60 
1946 09 30.60  24.40  27.50 
1946 10 31.30  25.00  28.15 
1946 11 31.60  24.90  28.25 
1946 12 31.10  24.70  27.90 
1947 01 32.09  25.30  28.70 
1947 02 31.70  25.10  28.40 
1947 03 32.80  25.80  29.30 
1947 04 32.90  25.80  29.35 
1947 05 31.90  25.50  28.70 
1947 06 31.60  25.10  28.35 
1947 07 30.10  24.70  27.40 
1947 08 31.10  24.20  27.65 
1947 09 31.10  24.60  27.85 
1947 10 30.70  24.70  27.70 
1947 11 31.10  24.70  27.90 
1947 12 31.60  24.70  28.15 
1948 01 31.60  24.90  28.25 
1948 02 31.40  24.60  28.00 
1948 03 31.80  25.40  28.59 
1948 04 31.80  25.50  28.65 
1948 05 31.40  25.20  28.30 
1948 06 30.90  25.20  28.05 
1948 07 29.90  24.70  27.30 
1948 08 30.60  24.40  27.50 
1948 09 31.10  24.20  27.65 
1948 10 31.20  24.10  27.65 
1948 11 31.80  24.30  28.05 
1948 12 31.30  24.20  27.75 
1949 01 31.30  24.60  27.95 
1949 02 32.00  25.30  28.65 
1949 03 31.70  25.20  28.45 
1949 04 32.40  26.10  29.25 
1949 05 31.80  25.90  28.84 
1949 06 31.00  25.30  28.15 
1949 07 30.40  25.10  27.75 
1949 08 29.80  24.90  27.34 
1949 09 31.40  25.50  28.45 
1949 10 31.80  26.10  28.95 
1949 11 30.70  24.20  27.45 
1949 12 30.80  24.70  27.75 
1950 01 30.80  25.10  27.95 
1950 02 30.90  25.30  28.09 
1950 03 31.40  25.20  28.30 
1950 04 31.30  25.90  28.59 
1950 06 29.90 -99.99 -99.99 
1950 07 29.90 -99.99 -99.99 
1950 08 31.40  24.60  28.00 
1950 09 31.20  24.80  28.00 
1950 10 31.20  24.90  28.05 
1950 11 30.60  24.70  27.65 
1950 12 99.99  24.70 -99.99 
