799 

 Nebraska Station, Bulletin No. 20, March 25, 1892 (pp. 37). 



Meteorological observations for 1891, DeW. B. Brace, Ph. I>. 

 (pp. 215-251).— Tlie.se were iii contiimation of those reported in Bul- 

 letin No. 17 of the station (see Experiment Station Keconl, vol. in, p. 

 20) and included the ordiiuiry nieteoioloj;iea] observations taken at the 

 University of Nebraska and data from evaporimeter.s, rain .yaniues, and 

 soil thermometers on the station faim. The yearly summary of mete- 

 orolo,«ical observations is as follows: I'rcH.snre (inches). — Maximum 

 30.!)2, minimum 29.40, mean ;;o.()9, annual ran-^e l..")2, maximum daily 

 ran<;e 9.7."). Air tcmpcniture (de,<4Tees F.).— Maxinuim 95, minimum 

 — 12, mean 49.97, annual range 107, nniximum daily ran^c 44. Humid- 

 ify. — i\Iean relative humi«lity 71.89. rrrripitation. — Total (inches) ;)!».f)05 

 total snowfall (inches) 22.22, number of days on which 0.01 inch or 

 more of rain fell 83. Weather. — Number of clear days 128, number of 

 fair days I.Jo, number of cloudy days 102. Wiiul — ]Maxinuim velocity 

 (miles per hour) 64, total UHjvement (miles) 125,104. 



The mean relative evaporation at different elevations for each month 

 from April 21 to Novejnber 10 is as follows: 



Mmn relative evaporution at different elevations. 



3 feet. 



April 'Jl-ro.... 



Iklay 



June 



July 



August 



Se[)ti'iiili('i' . .. . 



Ortnlitr 



Kovtiubei 1-lU 



7.1 

 4.3 

 3.3 

 3.3 

 3.6 

 4.9 

 3.!) 

 2.8 



20 feet. 40 feet. 60 feet. 80 feet. 98 feet. Mean 



IS. .5 



n.7 



8.6 

 8.2 

 9 5 

 13.9 



in.o 



7.3 



17.6 

 12.3 

 9.8 

 9.4 

 10.1 

 16.1 

 11.8 



20.2 

 13.3 

 10.3 



9.5 

 11.4 

 17.3 

 12.7 



9.6 



21.1 

 14.3 

 11.5 

 10.9 

 11.2 

 18.0 

 13.4 

 10.6 



21.7 

 15.8 

 12.1 

 11.6 

 12.8 

 19.2 

 13.6 

 10.7 



16.1 

 11.6 

 9.3 

 8.7 

 9.7 

 14.3 

 10.8 

 8.3 



Monthly inajintum and niinimnm air and soil temperatures. 

 [lu degrees F.J 



1891. 



Air. 



a 



January 



Feliriiai'v 



M-.urh .'. 



.Vpril 



>Iay 



June 92.2 



July 91 



Augu.st 94 



Soiiteniber 92 



Oetober 85 



!Novenil)er 78 



Decenibi T 64. 



Juno 1 to Dceciu- 

 bcr31 94 



^ 



31.9 

 32.3 

 39.7 

 71.3 

 80.2 

 79.9 

 83. 5 

 84.7 

 81.4 

 68.5 

 51.3 

 44.8 



84.7 



3 



21.0 

 11.5 

 15.3 

 32.6 

 50.5 

 56. 

 63. 5 

 00.5 

 57.2 

 42.0 

 23.6 

 27.3 



3 inches. 



a ^ 



35.1 

 31.7 

 41.6 

 69. 5 

 77.3 

 84.1 

 82.4 

 84.8 

 79.9 

 67.8 

 52.6 

 44.9 



22.7 

 14.6 

 16.4 

 33. 7 

 51.7 

 57.1 

 63.7 

 62.9 

 63.0 

 44.3 

 26.3 

 29.2 



11.5! 84.8 14.6 



6 inches. 



36.2 

 31. 

 40.3 

 6.5.9 

 75. 2 

 81. 5 

 78.3 

 82.8 

 78.2 

 67.8 

 50.6 

 42.6 



82.8 



a 

 a 



a 



S^ 



25.6 

 17.7 

 18.6 

 34. 2 

 .52. 7, 

 ,59. 

 67. 7 

 62.3 

 60.4 

 4.5.0 

 30.5 

 31.1 



17.7 



9 inches. 12 inches. 24 inches. 36 inches. 



36. 3| 

 32.0 

 37.8! 

 63. 31 

 71. 9| 

 78.7 



75. 9 

 80. 4! 



76. n 

 67. 6 

 51.2 

 ,42. 2; 



30.0 

 23. 5 

 22. 5 

 .35. 5 

 53.7 

 .59.7 

 67.8 

 67.0 

 64.5 

 42. 3 

 35.0 

 34.0 



a 



36.5 

 32.6 

 36. 9 

 60.9 

 69. 

 7.5.4 

 73. 9 

 77.6 

 75. 8 

 66.6 

 51.0 

 4i.3 



77.6 



Q 



31.4 

 24.2 

 22.8 

 35. 7 

 ,53. 

 .59.9 

 68. 4 

 67.1 

 6.x 2 

 50.5 

 37.3 

 3.5.0 



a 



3 



39.2 

 35. 9 

 35.9 

 54.3 

 ,59. 9 



67.3 

 72.9 

 72. 3 

 69.6 

 66.0 

 .53.8 

 43.3 



3 



35.7 

 31.4 

 30. 

 36.2 

 52.1 

 .59. 6 

 66.5 

 68.1 

 66.5 

 53.8 

 42.8 

 39.0 



a 

 I 



ei 

 ^_ 



41.6 

 38.4 

 36.4 

 50.6 



.38.5 

 34.8 

 33.2 

 36.5 



22.8 72.9 30 



86.0, 50.9 

 64.0 .56.8 

 57. 0| 64.1 

 69. 6| 67.0 



67.5 6.5.8 

 66.2 55.2 

 55.2 46.0 

 45.9 42.0 



69.6 33.2 



24889— No. 11- 



