Daily Observations at Hyslop Exp. Stn., Corvallis
July 2002
Bold = new daily record set (old record, year)
| Day | Max Temp (F) | Min Temp (F) | Precip (in) | 2 in soil Max | 2 in soil Min | 4 in soil Max | 4 in soil Min | Heating Deg. Days | Cooling Deg. Days | Growing Deg. Days | Evaporation (in.) |
| 01 | 73 | 52 | 0 | 86 | 61 | 77 | 63 | 2 | 0 | 13 | .124 |
| 02 | 75 | 50 | 0 | 89 | 60 | 80 | 62 | 2 | 0 | 13 | .308 |
| 03 | 80 | 47 | 0 | 95 | 60 | 84 | 62 | 1 | 0 | 14 | .406 |
| 04 | 74 | 44 | 0 | 93 | 62 | 82 | 64 | 6 | 0 | 9 | .255 |
| 05 | 73 | 52 | 0 | 70 | 62 | 84 | 64 | 2 | 0 | 13 | .208 |
| 6 | 80 | 48 | 0 | 97 | 62 | 87 | 66 | 1 | 0 | 14 | .287 |
| 7 | 87 | 48 | T | 101 | 66 | 91 | 68 | 0 | 3 | 18 | .298 |
| 8 | 77 | 54 | .02 | 88 | 67 | 81 | 70 | 0 | 1 | 16 | .085 |
| 09 | 79 | 56 | 0 | 100 | 67 | 91 | 69 | 0 | 3 | 18 | .308 |
| 10 | 93 | 57 | 0 | 101 | 68 | 92 | 71 | 0 | 10 | 25 | .504 |
| 11 | 95 | 53 | 0 | 108 | 72 | 97 | 75 | 0 | 9 | 24 | .369 |
| 12 | 91 | 55 | 0 | 104 | 72 | 96 | 75 | 0 | 8 | 23 | .396 |
| 13 | 92 | 58 | 0 | 103 | 72 | 93 | 75 | 0 | 10 | 25 | .346 |
| 14 | 88 | 47 | 0 | 104 | 70 | 93 | 74 | 0 | 3 | 18 | .262 |
| 15 | 79 | 47 | 0 | 99 | 67 | 92 | 71 | 2 | 0 | 13 | .309 |
| 16 | 85 | 48 | 0 | 102 | 67 | 93 | 70 | 0 | 2 | 17 | .299 |
| 17 | 87 | 49 | 0 | 105 | 69 | 96 | 72 | 0 | 3 | 18 | .345 |
| 18 | 84 | 49 | 0 | 103 | 71 | 94 | 76 | 0 | 2 | 17 | .272 |
| 19 | 81 | 58 | 0 | 102 | 71 | 92 | 74 | 0 | 5 | 20 | .255 |
| 20 | 78 | 53 | 0 | 98 | 69 | 89 | 73 | 0 | 1 | 16 | .236 |
| 21 | 86 | 54 | 0 | 101 | 70 | 91 | 71 | 0 | 5 | 20 | .366 |
| 22 | 91 | 54 | 0 | 104 | 71 | 95 | 71 | 0 | 8 | 23 | .357 |
| 23 | 94 | 56 | 0 | 108 | 71 | 98 | 75 | 0 | 10 | 25 | .361 |
| 24 | 87 | 50 | 0 | 104 | 72 | 95 | 76 | 0 | 4 | 19 | .211 |
| 25 | 85 | 50 | 0 | 104 | 71 | 95 | 74 | 0 | 3 | 18 | .306 |
| 26 | 85 | 56 | 0 | 102 | 73 | 93 | 74 | 0 | 6 | 21 | .221 |
| 27 | 81 | 44 | 0 | 98 | 66 | 90 | 72 | 2 | 0 | 13 | .245 |
| 28 | 81 | 49 | 0 | 101 | 67 | 92 | 72 | 0 | 0 | 15 | .314 |
| 29 | 89 | 58 | 0 | 105 | 69 | 95 | 72 | 0 | 9 | 24 | .348 |
| 30 | 89 | 57 | 0 | 104 | 73 | 96 | 75 | 0 | 8 | 23 | .388 |
| 31 | 82 | 47 | 0 | 103 | 67 | 94 | 73 | 0 | 0 | 15 | .351 |
| Average/Total | 83.9 | 51.6 | 0.02 | 99.4 | 67.9 | 90.9 | 70.9 | 18 | 113 | 560 | 9.340 |
| Departure | 3.7 | 0.6 | -0.50 |   |   |   |   |   |   |   |   |