LXX. R. T. McKAY. 
TABLE. 
1900 1901 
Fea Run-off | Rainfall] Percent- eee Run-off | Rainfall] Percent- 
Month. | cusecs at ae anes Bhors - sae cusecs at | . 1% _ in | age dis- 
Gundagai. . . ged. Gundagai. inches. | inches, | charged. 
Jany. 1825 0°25 2°2 11 1374 0:19 IZ, 11 
Feby. 759 0°10 0-7 14 1341 0°17 0-2 85 
March| 1172 0°16 4°9 3 922 0:13 2°6 5 
April 2552 0°34 4-1 8 1174 0-16 28 6 
May 8387 i Bel by / 5:2 22 977 0:14 0-7 20 
June 8974 1:20 4°6 26 1735 0°23 27 8 
July 14754 2°05 4°2 49 1292 0°18 1°5 12 
Aug. 6105 0°85 2°4 35 4466 0°62 4d 14 
Sept. | 11208 1°50 2°4 62 || 6687 0:9U 2°4 37 
Oct. 6384 0°89 0:3 297 6543 0:91 5:0 18 
Nov. | 3361 | 0-45 | 2:5 18 || 5426 | 0-73 | 1:4 52 
Dec. 1771 hl aOrep 1°5 17 ! 961 0:12 0°5 26 
| 1902 | 1903 
Jany. 605 | 0°08 1'8 5 || 236 0°03 05 6 
Feby. 187 0:02 0:3 a 96 0:01 1:0 1 
March 171 | 002 2°2 1 | 886 0:05 2°8 2 
April | 221 | 0:03 0:2 15 1179 0°16 3°5 5 
May | 190 | 0:03 O'l 30 1210 ON 19 9 
June | 624 | 0°08 2°5 3 || 2378 0:32 2°8 12 
July 1023 0-14 2°6 6 || 5055 0:70 3°9 a 
Aug. | 543 | 0°08 0:7 ll 3056 0°42 0°8 18 
Sept. | 861 | 0°12 1°4 8 | 6460 0°87 4°5 19 
Oct. 810 | 011 1°8 6 | 3894. 0°54 oi 17 
Nov. | 408 | 0°05 ‘Lg 7 || 2034 0°27 1°4 19 
Dec. 947 | 013 3°7 A ALTA U'16 38 4, 
| 
| 1904 | 
Jany. | 3577 | 0°50 4°3 pa 
Feby. 866 | O11 1°9 6 
March 630 | 0:09 ‘Ure 13 
April 476 | 0:06 1°5 4 
May 658 0:09 2°4 4 
June | 1458 0°20 1°9 10 
July | 4022 0°56 3°8 15 
Aug. 3001 0°42 2°2 19 
Sept. | 3282 | 0°44 1:0 44 
Oct. | 3529 0°49 3:2 16 
Nov. | 2902 0°39 1°5 26 
Dec. | 822 0-11 16 y 
The following formula has been used by the author in 
preparing the preceding table, shewing the relation existing 
between the monthly rainfall and run-off :— 
D = Depth in inches over catchment. 
@ = Mean monthly discharge as gauged in cusecs. 
