﻿130 
  

  

  NEW 
  YORK 
  STATE 
  MUSEUM 
  

  

  We 
  may 
  consider 
  the 
  following 
  data 
  from 
  the 
  Hudson 
  and 
  

   Genesee 
  rivers 
  : 
  

  

  Rainfall, 
  runoff, 
  evaporation 
  and 
  variation 
  from 
  the 
  mean 
  on 
  

   hudson 
  and 
  genesee 
  rivers 
  

  

  Hudson 
  river 
  

  

  Variation 
  Variation 
  Evapo- 
  Variation 
  

  

  Year 
  Rainfall 
  from 
  mean 
  Runoff 
  from 
  mean 
  ratioD 
  from 
  mean 
  

  

  1888 
  43.92 
  —1.02 
  23.64 
  —0.34 
  20.28 
  — 
  0.6& 
  

  

  1889 
  42.96 
  —1.98 
  21.71 
  —2.27 
  21.25 
  +0.2& 
  

  

  1890 
  50.35 
  +5.41 
  28.56 
  +4.58 
  21.79 
  +0.8& 
  

  

  1891 
  42.96 
  —1.98 
  20.56 
  —3.42 
  22.40 
  +1.44 
  

  

  1892 
  53.87 
  +8.93 
  33.08 
  +9.10 
  20.79 
  — 
  0.1T 
  

  

  1893 
  42.18 
  —2.76 
  21.91 
  —2.07 
  20.27 
  —0.69- 
  

  

  1894 
  41.37 
  —3.57 
  19.37 
  —4.61 
  22.00 
  +1.04 
  

  

  1895 
  36.67 
  —8.27 
  17.46 
  —6.52 
  19.21 
  —1.75 
  

  

  1896 
  45.21 
  +0.27 
  23.63 
  —0.35 
  21.58 
  +0.62 
  

  

  1897 
  46.51 
  +1.57 
  26.19 
  +2.21 
  20.32 
  —0.64 
  

  

  1898 
  48. 
  SO 
  +3.36 
  27.65 
  +3.67 
  20.65 
  —0.31 
  

  

  Mean 
  .... 
  44.94 
  —19.58 
  23.98—19.58 
  20.96 
  —4.24 
  

   +19.54 
  +19.56 
  +4.22 
  

  

  —0.04 
  —0.02 
  —0.02 
  

  

  Genesee 
  river 
  

  

  Variation 
  

  

  Year 
  Rainfall 
  from 
  mean 
  Runoff 
  

  

  1890 
  47.54 
  +7.21 
  21.22 
  

  

  1891 
  38.12 
  —2.21 
  14.05 
  

  

  1892 
  41.69 
  +1.36 
  15.42 
  

  

  1893 
  39.30 
  —1.03 
  13.35 
  

  

  1894 
  47.79 
  +7.46 
  19.38 
  

  

  1895 
  31.00 
  —9.33 
  6.67 
  

  

  1896 
  40.68 
  +0.35 
  12.80 
  

  

  1897 
  34.39 
  —5.94 
  9.38 
  

  

  1898 
  42.50 
  +2.17 
  15.13 
  

  

  Mean 
  .... 
  40.33. 
  +18.55 
  14.16 
  

   —18.51 
  

  

  +0.04 
  

  

  Variation 
  

   from 
  mean 
  

  

  Evapo- 
  

   ration 
  

  

  Variation 
  

   from 
  mean 
  

  

  +7.06 
  

  

  26.32 
  

  

  +0.14 
  

  

  —0.11 
  

  

  24.07 
  

  

  —2.11 
  

  

  +1.26 
  

  

  26.27 
  

  

  +0.0£ 
  

  

  —0.81 
  

  

  25.95 
  

  

  —0.2a 
  

  

  +5.22 
  

  

  28.41 
  

  

  +2. 
  2a 
  

  

  —7.49 
  

  

  24.33 
  

  

  —1.85 
  

  

  —1.36 
  

  

  27.88 
  

  

  +1.7G 
  

  

  —4.78 
  

  

  25.01 
  

  

  —1.17 
  

  

  +0.97 
  

  

  27.37 
  

  

  +1.1£ 
  

  

  —14.55 
  

  

  26.18 
  

  

  —5.36 
  

  

  +14.51 
  

  

  

  +5.35 
  

  

  —0.04 
  

  

  -0.01 
  

  

  