| Season | Storm | Depth of Runoff (mm) | ||||||||
| Field 1 | Field 2 | Field 3 | Field 4 | Field 5 | Field 6 | Field 7 | Field 8 | Entire Watershed | ||
| Summer 2008 | July 22 | 0 | 2.85(68)† | 0.31 (8) | 0.65 (16) | 0 | 0 | 0.19 (4.5) | 0.18 (4.5) | 0.27 |
| July 30 | 0 | 1.52 (74) | 0 | 0.53 (26) | 0 | 0 | 0 | 0 | 0.13 | |
| August 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| August 5 | 0 | 1.90 (45) | 0 | 1.18 (27) | 0 | 0.61 (15) | 0 | 0.53 (13) | 0.31 | |
| August 7 | 0 | 0 | 0 | 0.76 (95) | 0 | 0.01 (1) | 0.03 (4) | 0 | 0.01 | |
| August 9 | 0 | 1.02 (66) | 0 | 0.15 (10) | 0 | 0.11 (7) | 0.20 (13) | 0.06 (4) | 0.11 | |
| August 10 | 0.08 (1) | 3.20 (47) | 0.34 (5) | 1.80 (26) | 0.11 (2) | 0.80 (11) | 0.71 (10) | 0.57 (8) | 0.60 | |
| August 13 | 0 | 0 | 0 | 0.85 (90) | 0 | 0 | 0.07 (7) | 0.03 (3) | 0.07 | |
| August 14 | 0 | 0.22(100) | 0 | 0 | 0 | 0 | 0 | 0 | 0.01 | |
| August 18 | 0 | 0.55 (53) | 0 | 0.27 (26) | 0 | 0.03 (3) | 0.18 (17) | 0.01 (1) | 0.08 | |
| Fall 2008 | September 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| September 14 | --- | --- | --- | --- | --- | --- | --- | --- | --- | |
| October 2 | 0 | 1.37 (99) | 0 | 0.01 (1) | 0 | 0 | 0 | 0 | 0.05 | |
| October 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| October 16 | 0 | 0 | 0 | 0.48(100) | 0 | 0 | 0 | 0 | 0.03 | |
| Spring 2009 | March 29 | 2.10 (6) | 7.10 (20) | 2.42 (7) | 2.85 (8) | 0.32 (2.5) | 12.43 (30.5) | 4.60 (12.5) | 3.71 (10) | 4.02 |
| April 1 | 0.01 (1) | 0.54 (34) | 0.11 (7) | 0.66 (47) | 0.01 (1) | 0.11 (7) | 0.02 (1) | 0.01 (1) | 0.19 | |
| April 3 | 7 (16) | 18.6 (43) | 2.73 (6) | 6.23 (14) | 0.75 (2) | 6.4 (14) | 1.8 (4) | 0.7 (2) | 13.98 | |
| Average contribution (%) | (1.4) | (38.2) | (1.9) | (28.6) | (0.5) | (5.2) | (4.3) | (2.7) |
| |