56 



DIVISION OF WATER RESOURCES 



TABLE 17 



RECORD OF WEEKLY USE OF WATER BY BERMUDA GRASS IN TANKS AT 

 SAN BERNARDINO, CALIFORNIA, OCTOBER, 1930, TO NOVEMBER, 1931' 



Week ending 



1931— 



Jan. 6- 

 Jan. 13- 

 Jan. 20- 

 Jan. 27- 

 Feb. 3- 

 Feb. 10- 

 Feb. 17- 

 Feb. 24- 

 Mar. 3- 

 Mar. 10- 

 Mar. 17- 

 Mar. 24. 

 Mar. 31- 

 April 7- 

 April 14- 

 April21_ 

 April 28- 

 May 5- 

 May 12- 

 May 19- 

 May 26- 

 June 2- 

 June 9- 

 June 16- 

 June 23- 

 June 30- 

 July 7- 

 July 14- 

 July 21- 

 July 28- 

 Aug. 4- 

 Aug. 11- 

 Aug. 18- 

 Aug. 25. 

 Sept. 1- 

 Sept. 8- 

 Sept. 15- 

 Sept. 22. 

 Sept. 29. 

 Oct. 6- 

 Oct. 13- 

 Oct. 20- 

 Oct. 27. 

 Nov. 3. 

 Nov. 10- 



Use of water by Bermuda grass, in acre-inches per acre 



Fixed water table three feet 

 below ground surface 



Tank No. 1 Tank No. 2 



319 

 .137 

 .105 

 .096 

 .169 

 .126 

 .083 

 .116 

 .137 

 .116 

 .095 

 .084 

 .148 



.021 



.042 

 .043 

 .042 

 .021 

 .159 

 .148 

 .264 

 .274 

 .231 

 .392 

 .562 

 .435 

 .519 

 .317 

 .382 

 .795 



1.145 

 .966 

 .816 



1.420 



1.281 

 .996 

 .858 

 .858 



1.144 

 .658 

 .404 

 .563 

 .806 

 .731 

 .487 

 .424 

 .371 

 .435 

 .200 

 .306 



0.297 

 .168 

 .212 

 .127 

 .276 

 .244 

 .294 

 .274 

 .169 

 .181 

 .148 

 .116 

 .073 



.011 



.042 



.117 



.126 



.095 



.382 



.720 



.668 



.480 



.414 



.499 



.762 



.743 



.605 



797 



.786 



.817 



1.389 



1.409 



1.633 



1.410 



1.335 



1.304 



1.336 



.594 



1.155 



.858 



.562 



.679 



.655 



.445 



.508 



.615 



.522 



.233 

 .212 



Mean 



D 308 

 .153 

 .159 

 .112 

 .223 

 .185 

 .189 

 .195 

 .153 

 .149 

 .122 

 .100 

 .111 



.016 



.042 



.080 



.084 



.058 



.271 



.434 



.466 



.377 



.323 



.446 



.662 



.589 



.562 



.557 



.584 



.806 



1 267 



1.188 



1.225 



1.415 



1.308 



1.150 



1,097 



.726 



1.150 



.758 



.483 



.621 



.731 



.588 



.498 



.520 



.447 



.217 

 .259 



Fixed water table two feet 

 below ground surface 



Tank No. 3 Tank No. 4 



0.457 

 222 

 ^233 

 .340 

 .340 

 .413 

 .202 

 .255 

 .074 

 .170 

 .169 

 .147 

 .105 



.043 

 .052 

 .147 

 .147 

 .212 

 .402 

 .403 

 .563 

 .562 

 .689 

 .836 

 .911 

 .222 

 .412 

 .985 

 .049 

 .860 

 .689 

 .615 

 .763 

 377 

 749 

 527 

 674 

 876 

 1.666 

 1.568 



.420 

 .144 

 .419 

 .849 

 .625 

 .155 

 .836 

 .721 

 .594 

 .583 

 .476 

 .392 

 .742 

 .297 



0.276 

 .371 

 .294 

 .224 

 .244 

 .244 

 .202 

 .190 

 .127 

 .126 

 .116 

 .116 

 .136 



.042 

 .053 

 .021 

 .063 

 .138 

 .307 

 .328 

 .509 

 .434 

 .488 

 .836 

 .837 

 .254 

 .360 

 .710 

 .934 

 .711 

 .773 

 .456 

 .679 

 .293 



1.516 



1.409 



1.687 



1.538 



1 345 



1 322 



1.239 



.678 



1.442 



.605 



.551 



.859 



.784 



.752 



.666 



.266 

 .253 

 .541 

 .425 



Mean 



0.367 

 .297 

 .264 

 .282 

 .292 

 .329 

 .202 

 .223 

 .101 

 .148 

 .143 

 .132 

 .121 



.043 



.053 



.084 



.105 



.175 



.355 



.366 



.536 



.498 



.589 



.836 



.874 



.238 



.386 



.848 



.992 



.786 



.731 



.536 



.721 



1 335 



1.633 



1.468 



1.681 



1.707 



1 506 



1.445 



1.330 



.911 



1.431 



.727 



.588 



1.007 



.810 



.737 



.630 



.371 

 .323 

 .642 

 .361 



• All tanks covered during rains. 

 ' Grass burned off tanks. 



Tanks contain undisturbed soil. 



