YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 81.32 | 67.80 | 57.13 | a | 68.75 | i | ||
1922 | 49.52 | 52.93 | 58.74 | 66.47 | 83.06 | 94.77 | 99.84 | 93.55 | b | 93.03 | 76.42 | 62.28 | a | 53.69 | b | 73.69 | ||||||||||
1923 | 55.26 | 47.96 | 63.35 | 71.33 | 85.26 | 87.53 | 97.52 | 92.29 | c | 85.73 | h | 76.35 | 64.77 | 55.77 | 72.49 | a | ||||||||||
1924 | 50.68 | 63.55 | r | 58.17 | y | 74.67 | 86.77 | 97.23 | 99.52 | 98.03 | 91.17 | 75.16 | 64.83 | 47.77 | 78.58 | b | ||||||||||
1925 | 53.03 | 61.75 | 68.13 | 73.10 | 87.29 | 91.31 | a | 99.74 | 92.71 | 84.53 | 72.77 | 59.53 | 58.10 | 75.17 | ||||||||||||
1926 | 55.36 | f | 59.75 | 69.74 | 74.90 | 83.35 | 96.93 | 97.20 | a | 95.45 | 88.27 | 80.39 | 65.90 | 49.81 | 78.34 | a | ||||||||||
1927 | 54.42 | 57.89 | 61.27 | i | 72.43 | 82.00 | 91.33 | 98.35 | 91.68 | 85.87 | 79.77 | 66.13 | 49.19 | 75.37 | a | |||||||||||
1928 | 58.97 | 59.17 | 68.13 | 72.79 | a | 84.39 | 89.50 | d | 96.58 | g | 94.80 | a | 87.37 | 74.14 | b | 59.34 | a | 48.38 | b | 72.45 | a | |||||
1929 | 44.53 | a | 40.67 | a | 55.53 | a | 61.59 | c | 73.10 | b | 83.45 | a | 98.39 | 93.89 | d | 86.20 | 75.03 | 63.80 | 61.23 | 69.78 | ||||||
1930 | 44.77 | a | 63.32 | 64.45 | 78.23 | 74.19 | 94.97 | 99.23 | 95.65 | 86.17 | 72.52 | 61.24 | a | 53.19 | 73.99 | |||||||||||
1931 | 54.16 | 57.07 | 67.19 | 76.57 | b | 83.70 | d | 91.56 | c | 104.10 | b | 96.23 | 88.45 | a | 75.45 | 57.38 | a | 44.52 | 74.70 | |||||||
1932 | 42.32 | 53.48 | 66.28 | b | 75.67 | 84.03 | a | 93.40 | 100.65 | 100.06 | 95.07 | b | 81.55 | 71.70 | 49.58 | 76.15 | ||||||||||
1933 | 49.84 | 41.43 | 65.55 | 73.23 | d | 77.29 | 96.75 | b | 103.69 | b | 100.24 | b | 92.20 | 83.55 | 69.30 | 58.94 | 76.00 | |||||||||
1934 | 58.52 | 64.32 | 78.75 | c | 84.43 | 91.84 | 90.80 | 103.16 | 101.42 | 91.50 | 82.31 | b | 69.90 | 57.90 | 81.24 | |||||||||||
1935 | 55.68 | 60.64 | 61.48 | 73.10 | 79.68 | 98.47 | 100.97 | 99.59 | b | 93.30 | 76.65 | 62.27 | 57.19 | 76.58 | ||||||||||||
1936 | 58.43 | a | 58.24 | 68.87 | 80.10 | 87.48 | 97.13 | 103.50 | a | 91.84 | 91.40 | 76.23 | 66.53 | 53.37 | a | 77.76 | ||||||||||
1937 | 29.73 | a | 47.50 | b | 61.74 | 71.83 | 88.03 | 94.03 | 98.07 | a | 100.58 | 94.63 | 82.10 | 67.93 | 57.87 | 74.50 | ||||||||||
1938 | 52.06 | 55.04 | 60.07 | a | 74.00 | 81.06 | 93.03 | 99.87 | a | 95.81 | 91.67 | 73.13 | a | 54.93 | 52.81 | 73.62 | ||||||||||
1939 | 48.77 | a | 43.82 | 62.77 | 79.23 | 83.87 | 90.87 | 98.47 | a | 94.55 | 85.31 | a | 76.23 | 67.37 | 60.52 | 74.31 | ||||||||||
1940 | 49.83 | a | 52.56 | b | 53.55 | b | 63.19 | d | 76.19 | 97.73 | 102.74 | 104.10 | 87.31 | a | 84.61 | 66.10 | 53.87 | 74.32 | ||||||||
1941 | 53.77 | 55.93 | 59.76 | b | 63.39 | b | 82.32 | 87.52 | e | 99.77 | 93.71 | 86.33 | 70.67 | a | 65.27 | 51.68 | 72.51 | |||||||||
1942 | 54.55 | 54.46 | 64.77 | 75.03 | 83.34 | b | 96.82 | b | 105.93 | b | 100.31 | b | 96.75 | f | 81.03 | 67.20 | 61.58 | 76.82 | a | |||||||
1943 | 56.84 | 62.29 | 66.19 | 78.07 | 86.42 | 89.47 | m | 102.80 | u | ----- | z | 90.87 | o | 80.14 | b | 67.00 | a | 56.00 | i | 70.99 | e | |||||
1944 | 44.89 | v | 51.52 | 58.71 | 68.64 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 58.89 | u | ----- | z | 59.62 | i | ||
1945 | 59.29 | n | 67.00 | 67.81 | e | 79.17 | l | 81.16 | 88.30 | 98.80 | a | 90.42 | 87.63 | 77.13 | 60.77 | 49.97 | a | 76.90 | b | |||||||
1946 | 51.97 | 56.04 | 63.14 | b | 75.97 | a | 80.81 | 91.13 | 94.58 | ----- | z | ----- | z | 69.19 | 54.23 | ----- | z | 70.78 | c | |||||||
1947 | 51.68 | 63.93 | ----- | z | ----- | z | 86.97 | 88.90 | a | 98.68 | 94.65 | 93.33 | 78.58 | 59.33 | 49.87 | 76.59 | b | |||||||||
1948 | 58.13 | 56.83 | 58.42 | 73.73 | 82.45 | 89.70 | 98.97 | a | 96.19 | 91.50 | 77.74 | 61.10 | 47.32 | 74.34 | ||||||||||||
1949 | 34.55 | 42.68 | 62.39 | 79.17 | 79.58 | 91.30 | 98.77 | 96.19 | 92.30 | 75.87 | 74.53 | 51.87 | 73.27 | |||||||||||||
1950 | 48.39 | 63.96 | 68.29 | 80.27 | 84.32 | 94.27 | 96.94 | 98.00 | 88.00 | 83.77 | 69.27 | 64.45 | 78.33 | |||||||||||||
1951 | 52.42 | 58.86 | 64.60 | a | 74.76 | a | 84.76 | b | 93.14 | a | 100.61 | 95.80 | a | 94.00 | 75.68 | 61.77 | 48.77 | 75.43 | ||||||||
1952 | 47.03 | 57.10 | 56.37 | a | 75.40 | 87.77 | 91.77 | 101.45 | 100.74 | 93.00 | 89.03 | 61.83 | 53.03 | 76.21 | ||||||||||||
1953 | 60.84 | 60.82 | 70.03 | 75.80 | 76.84 | 93.77 | 101.74 | 98.77 | 95.67 | 79.06 | 68.33 | 58.06 | 78.31 | |||||||||||||
1954 | 53.65 | 68.96 | 64.84 | 82.27 | 92.54 | e | 95.43 | 102.56 | o | 94.33 | v | ----- | z | ----- | z | 64.80 | o | 52.75 | c | 72.92 | e | |||||
1955 | 42.54 | c | 52.17 | d | 67.15 | d | 70.57 | g | 81.45 | k | 92.00 | i | 96.00 | k | 94.00 | j | 90.73 | h | 78.62 | r | 64.50 | n | 54.38 | r | 53.95 | i |
1956 | 59.00 | r | 55.78 | t | 71.65 | n | 76.76 | i | 80.32 | i | 96.38 | i | 97.27 | i | 96.63 | a | 94.07 | 76.90 | 67.73 | 56.85 | d | 78.44 | g | |||
1957 | 49.87 | 62.57 | 67.39 | 73.33 | 77.27 | e | 96.13 | 99.26 | 95.00 | f | 91.97 | 71.53 | p | 58.55 | a | 57.00 | a | 73.33 | b | |||||||
1958 | 56.94 | 60.71 | 58.22 | d | 70.55 | a | 86.42 | g | 93.90 | 98.29 | 101.35 | e | 93.05 | j | 81.42 | g | 64.57 | 62.00 | a | 74.06 | c | |||||
1959 | 57.26 | 55.15 | h | 70.52 | d | 78.90 | 80.64 | f | 96.57 | 103.29 | 95.56 | f | 86.39 | l | 80.04 | g | 67.23 | 56.73 | a | 75.79 | e | |||||
1960 | 47.77 | e | 55.14 | a | 68.36 | c | 76.37 | 82.32 | f | 97.62 | d | 103.38 | b | ----- | z | ----- | z | 79.68 | f | 61.00 | d | 54.62 | o | 72.80 | e | |
1961 | 57.73 | a | ----- | z | 70.03 | ----- | z | ----- | z | ----- | z | ----- | z | 97.23 | r | 85.87 | 82.64 | f | 60.25 | b | 49.32 | 64.64 | g | |||
1962 | 54.07 | a | 56.36 | 60.10 | a | 81.04 | d | 80.15 | d | ----- | z | ----- | z | ----- | z | 94.37 | ----- | z | ----- | z | ----- | z | 71.01 | f | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 51.36 | 56.35 | 64.36 | 74.43 | 82.92 | 93.06 | 100.17 | 96.62 | 90.37 | 77.89 | 64.18 | 54.22 | 75.25 | |||||||||||||
S.D. | 6.61 | 6.95 | 5.11 | 5.17 | 4.54 | 3.56 | 2.49 | 3.42 | 3.41 | 4.29 | 4.55 | 4.85 | 2.41 | |||||||||||||
SKEW | -1.34 | -0.62 | 0.13 | -0.66 | -0.13 | -0.52 | 0.31 | 0.20 | -0.19 | 0.32 | -0.14 | 0.12 | 0.32 | |||||||||||||
MAX | 60.84 | 68.96 | 78.75 | 84.43 | 92.54 | 98.47 | 105.93 | 104.10 | 95.67 | 89.03 | 74.53 | 64.45 | 81.24 | |||||||||||||
MIN | 29.73 | 40.67 | 53.55 | 61.59 | 73.10 | 83.45 | 94.58 | 90.42 | 84.53 | 69.19 | 54.23 | 44.52 | 69.78 | |||||||||||||
YRS | 37 | 37 | 37 | 36 | 34 | 35 | 33 | 31 | 31 | 33 | 38 | 36 | 21 |