1915 07  17.31   6.78  12.04 
1915 08  24.80  13.19  18.99 
1916 07  18.48   5.14  11.81 
1916 08  18.79   9.18  13.98 
1917 07  21.55  11.26  16.40 
1917 08  23.27   7.90  15.58 
1918 07  20.09   9.58  14.83 
1919 07  21.90  10.48  16.18 
1919 08  21.41  10.36  15.88 
1920 07  23.03  11.11  17.07 
1920 08  19.33   9.93  14.63 
1921 07  18.95   9.30  14.12 
1921 08  20.89   8.85  14.87 
1921 09 -99.99  -1.39 -99.99 
1922 07  20.81  11.05  15.93 
1922 08  22.12  10.67  16.39 
1926 07  24.05  11.23  17.64 
1926 08  19.71   9.14  14.43 
1927 07  20.84  10.05  15.44 
1927 08  20.16   8.78  14.46 
1929 07  22.52  10.87  16.69 
1929 08  24.71  11.48  18.09 
1932 07  21.25   9.22  15.23 
1933 08 -99.99  10.76 -99.99 
