22 



MISC. PUBLICATION 2 2 5. U. S. DEFT. OF AGRICULTURE 



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



gallons 



Tens 



Units 







■ 



2 



1.29 

 7.76 

 14.22 

 20.68 

 27.15 

 33.61 

 40.07 

 46.53 

 53.00 

 59.46 



3 



4 



5 



. 



7 



8 



9 









0.65 

 7.11 

 13.57 

 20.04 

 26.50 

 32.96 

 39.43 

 45.89 

 52.35 

 58.81 



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 



7 



8 



9 





1 second-foot equivalent to 7.4805 gallons per second per day, 448.83 gallons per minute per day, 26,929.8 

 gallons per hour per day, or 646,315.2 gallons per day. 



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



Tens 



Units 







1 



2 



3 



4 



5 



6 



7 



8 



9 



0. . 





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 



142.34 



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. OS 



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 



2 



3 



15.47 

 30.94 

 46.42 

 61.89 

 77.36 

 92.83 

 108.31 

 123.78 

 139. 25 



4 



5 _ 



6 



7 



8 



9 





1,000,000 gallons in 24 hours equivalent to 1.547 second-feet. 



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



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 

 24. 113 

 27. 372 

 30.630 



1.629 



4.888 

 8.146 

 11.405 

 14. 663 

 17. 922 

 21. 180 

 24. 439 

 27. 697 

 30. 956 



1.955 

 5.214 

 8.472 

 11.731 

 14. 989 

 18. 248 

 21. 506 ! 

 24. 765 

 28. 023 

 31. 282 



2.281 



5.540 

 8.798 

 12. 056 

 15.315 

 18. 574 

 21. 832 

 25. 090 

 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 



3.258 

 6.517 

 9.776 

 13. 034 

 16. 293 

 19. 551 

 22. 810 

 26. 068 

 29. 327 



2 



3 



4 



5 



6 



7 



8 



9 _. 





1 acre-foot equals 43,560 cubic feet; equivalent to 325,850 gallons. 



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



Tens 



Unit: 



30.69 

 61.38 

 92.07 

 122, 76 

 153. 44 

 184. 13 

 214. 82 

 245.51 

 276. 20 



3.07 | 6.14 



33.76 36.83 



64.45 | 67.52 



95.14 | 98.20 



125.82 | 128.89 



156.51 | 159.58 



187.20 ' 190.27 



217.89 

 248. 58 

 279. 27 



220. 96 

 251.65 

 282.34 



9.21 



39.90 

 70.58 

 101. 27 

 131.96 

 162. 65 

 193. 34 

 224. 03 

 254.72 

 285.41 



4 



5 



6 



7 



s 



12.28 



15.34 



18.41 



21.48 



24.55 



42.96 



46.03 



49.10 



52. 17 



55. 24 



73.65 



76.72 



79.79 



82.86 



85.93 



104. 34 



107. 41 



110.48 



113. 55 



116. 62 



135.03 



138. 10 



141. 17 



144.24 



147.31 



165. 72 



168. 79 



171.86 



174.93 



178. 00 



196. 41 



199. 48 



202. 55 



205. 62 



20S. 68 



227. 10 



230. 17 



223. 24 



236.30 



239. 37 



257. 79 



260. 86 



263. 92 



266.99 



270. 06 



288.48 



291.54 



294. 61 



297. 68 



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) equivalent to 3.0689 acre-feet 



