22 



MISC. PUBLICATION 22 5, U. S. DEPT. OF AGRICULTURE 



Table 35. — Discharge in second-feet converted to runoff in millions of gallons per day 



Tens 



Units 







1 



2 



3 



4 



5 



6 



7 



8 



. 









0.65 

 7.11 

 13.57 

 20.04 

 26.50 

 32.96 

 39.43 

 45.89 

 52.35 

 58.81 



1.29 

 7.76 

 14.22 

 20.68 

 27.15 

 33.61 

 40.07 

 46.53 

 53.00 

 59.46 



1.94 

 8.40 

 14.87 

 21. 33 

 27.79 

 34.25 

 40.72 

 47.18 

 53. 64 

 60.11 



2.59 

 9.05 

 15.51 

 21.97 

 28.44 

 34.90 

 41.36 

 47.83 

 54.29 

 60.75 



3.23 

 9.69 



16.16 

 22.62 

 29.08 

 35. 55 

 42.01 

 48.47 

 54.94 

 61.40 



3.88 



10.34 

 16.80 

 23.27 

 29.73 

 36. 19 

 42.66 

 49.12 

 55. 58 

 62.05 



4.52 

 10.99 

 17.45 

 23.91 

 30.38 

 36.84 

 43.30 

 49.77 

 56.23 

 62.69 



5.17 

 11.63 

 18. 10 

 24.56 

 31.02 

 37.49 

 43.95 

 50.41 

 56.88 

 63.34 



5. 82 

 12.28 

 18.74 

 25.21 

 31.67 

 38.13 

 44.60 

 51.06 

 57.52 

 63.99 



1 



6.46 

 12.93 

 19.39 

 25. 85 

 32.32 

 38.78 

 45.24 

 51.71 

 58.17 



2 . 



3 



4 



5 



6 





8 



9 





1 1 second-foot is equivalent to 7.48052 gallons per second. 448.8312 gallons per minute, 26.929.87 gallons 

 per hour, or 646,316.88 gallons per day. 



Table 36. — Runoff in million gallons per day converted to discharge in second-feet x 



Tens 



Units 







1 



2 



3 



4 



5 



6 



7 



8 



9 



1 









1.55 

 17.02 

 32.49 

 47.96 

 63.44 

 78.91 

 94.38 

 109. 85 

 125. 33 

 140. 80 



3.09 

 18.57 

 34.04 

 49.51 

 64.98 

 80.46 

 95. 93 

 111.40 

 126.87 

 142.35 



4.64 

 20.11 

 35.59 

 51.06 

 66.53 

 82.00 

 97.48 

 112.95 

 128. 42 

 143. 89 



6.19 

 21.66 

 37. 13 

 52.61 

 68.08 

 83.55 

 99.02 

 114.49 

 129. 97 

 145.44 



7.74 

 23.21 

 38.68 

 54.15 

 69.63 

 85.10 

 100. 57 

 116.04 

 131. 51 

 146. 99 



9.28 

 24.76 

 40.23 

 55.70 

 71.17 

 86.64 

 102. 12 

 117.59 

 133.06 

 148. 53 



10.83 



26.30 

 41.78 

 57.25 

 72.72 

 88.19 

 103. 66 

 119.14 

 134. 61 

 150.08 



12.38 



27.85 

 43. 32 

 58.79 

 74.27 

 89.74 

 105.21 

 120. 68 

 136.16 

 151.63 



13. 93 

 29.40 

 44.87 

 60.34 

 75.81 

 91. 29 

 106. 76 

 122. 23 

 137. 70 

 153. 18 



1 



15.47 

 30.94 

 46.42 

 61.89 

 77.36 

 92.83 

 108. 31 

 123. 78 

 139.25 



2 



3 



4 



5 . 



6 



7 



8 



9 





1 1,000,000 gallons in 24 hours is equivalent to 1.547225 second-feet. 



Table 37. — Runoff in acre-feet converted to runoff in million gallons 1 



Tens 



Units 







1 



2 



3 



4 



5 



6 



7 



8 



9 









0.326 

 3.584 

 6.843 

 10. 101 

 13. 360 

 16.618 

 19.877 

 23. 135 

 26. 394 

 29. 652 



0.652 

 3.910 

 7.169 



10. 427 

 13. 686 

 16.944 

 20. 203 

 23. 461 

 26.720 

 29. 978 



0.978 

 4.236 



7.495 

 10. 753 

 14.012 

 17. 270 

 20. 529 

 23. 787 

 27.046 

 30. 304 



1.303 



4.562 

 7.820 

 11.079 

 14. 337 

 17. 596 

 20. 854 



1.629 



4.888 

 8.146 

 11.405 

 14. 663 

 17. 922 

 21.180 



1.955 

 5.214 

 8.472 

 11.731 

 14. 989 

 18. 248 

 21.506 

 24. 765 

 28. 023 

 31.282 



2.281 

 5.539 

 8.798 

 12.057 

 15.315 

 18. 574 

 21.832 

 25. 091 

 28. 349 

 31.608 



2. 607 



5.865 

 9.124 

 12.382 

 15. 641 

 18.899 

 22.158 

 25. 416 

 28. 675 

 31. 933 



2.933 

 6.191 

 9.450 

 12. 708 

 15. 967 

 19.225 

 22.484 

 25.742 

 29.001 

 32. 259 



1_ _ 



3.259 

 6.517 

 9.776 

 13. 034 

 16. 293 

 19. 551 

 22. 810 

 26.068 

 29. 327 



2 



3 



4 





6 





24. 113 



24. 439 



8 



27.372 j 27.697 

 30.630 1 30.956 



9 









1 acre-foot equals 43.560 cubic feet; equivalent to 325,851.4-3 gallons. 



Table 38. — Runoff in million gallons converted to runoff in acre-feet 1 



Tens 



Units 



30.69 

 61.38 

 92. 07 



122. 76 

 153.44 

 184. 13 

 214. 82 

 245. 51 

 276. 20 



3.07 

 33.76 

 64.45 

 95.14 



125. 82 

 156. 51 

 187. 20 

 217.89 



6.14 

 36.83 

 67.52 

 98. 20 

 128.89 

 159. 58 

 190. 27 

 220. 96 

 248.58 I 251.65 

 279.27 l 282.34 



9.21 

 39.90 

 70.58 

 101.27 

 131.96 

 162.65 

 193. 34 

 224. 03 

 254. 72 

 285. 41 



12.28 

 42.96 

 73.65 

 104. 34 

 135.03 

 165. 72 

 196.41 

 227. 10 

 257. 79 

 2Sv 4v 



15.34 

 46.03 

 76.72 

 107.41 

 138. 10 

 168.79 

 199. 48 

 230. 17 

 2.V.i.S.i 

 291.54 



18.41 

 49.10 

 79.79 

 110.48 

 141.17 

 171 86 

 202. 55 

 233. 24 

 263. 92 

 294. 61 



21.48 



52.17 



82.86 



113.55 



144.24 



174. 93 



205. 62 



I 236.30 



i 266.99 



! 297.68 



24.55 

 55.24 

 85.93 

 116. 62 

 147.31 

 178.00 

 208.68 

 239. 37 

 270.06 

 300.75 



27.62 

 58.31 

 89.00 

 119.69 

 150.38 

 181.06 

 211.75 

 242.44 

 273. 13 

 303. 82 



1,000,000 liquid gallons (231,000,000 cubic inches) is equivalent to 3.068883 acre-feet. 



