122 Nebraska Agricultural Exp. Station, Research Bui. 6. 
Table 47. — Evaporation from free water 
surfaces 36 square inches in area 
at four elevations in a spring wheat 
field. 1912. 
Height of jar 
above ground 
Average daily 
evaporation 
Average daily 
per cent 
evaporation 
Feet 
Grams 
Per cent 
0 
151 
39 
H 
277 
71 
3 
341 
87 
4^ 
389 
100 
Table 48. — Weekly 1 summary of evaporation from free water sur- 
faces 36 square inches in area at four elevations in an oat 
field. 1913. 
Average daily 
evaporation for 
week ending 
7 p. m. 
Elevation of evaporating surface above 
ground 
Average 
of four 
elevations 
0 in. 
15 in. 
30 in. 
45 in. 
(1) 
May 25 
June 1 
8 
" 15 
" 22 
" 29 
July 6 
Grams 
(2) 
72 
96 
64 
91 
119 
171 
136 
Grams 
(3) 
OATS GROV 
129 
208 
108 
144 
169 
243 
218 
Grams 
(4) 
142 
255 
133 
255 
271 
343 
301 
Grams 
(5) 
157 
297 
159 
291 
342 
468 
401 
Grams 
(6) 
125 
214 
116 
195 
225 
306 
264 
Average 
July 13 
" 18 
107 
209 
409 
174 
OATS HARVI 
277 
579 
243 
:sted 
315 
619 
302 
357 
672 
206 
289 
570 
Average 
309 
428 
467 
515 
430 
1 The oats were 4 inches high when the test started. 
