Daily Observations at Hyslop Exp. Stn., Corvallis
July 2001
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.) |
| 1 | 73 | 44 | 0 | 78 | 57 | 72 | 59 | 6 | 0 | 9 | .178 |
| 2 | 78 | 50 | 0 | 88 | 61 | 78 | 61 | 1 | 0 | 14 | .240 |
| 3 | 85 | 50 | 0 | 93 | 62 | 83 | 63 | 0 | 3 | 18 | .328 |
| 4 | 91 | 50 | 0 | 97 | 66 | 85 | 66 | 0 | 6 | 21 | .292 |
| 5 | 85 | 48 | 0 | 97 | 64 | 86 | 68 | 0 | 2 | 17 | .331 |
| 6 | 78 | 44 | 0 | 95 | 64 | 86 | 66 | 4 | 0 | 11 | .340 |
| 7 | 78 | 46 | 0 | 98 | 63 | 88 | 65 | 3 | 0 | 12 | .272 |
| 8 | 83 | 45 | 0 | 100 | 65 | 89 | 67 | 1 | 0 | 14 | .304 |
| 9 | 88 | 52 | 0 | 102 | 66 | 92 | 67 | 0 | 5 | 20 | .313 |
| 10 | 91 | 54 | 0 | 104 | 68 | 94 | 71 | 0 | 8 | 23 | .301 |
| 11 | 85 | 53 | 0 | 96 | 70 | 88 | 73 | 0 | 4 | 19 | .262 |
| 12 | 88 | 56 | 0 | 102 | 68 | 92 | 72 | 0 | 7 | 22 | .312 |
| 13 | 86 | 46 | 0 | 103 | 69 | 95 | 74 | 0 | 1 | 16 | .343 |
| 14 | 82 | 47 | 0 | 101 | 68 | 93 | 73 | 0 | 0 | 15 | .316 |
| 15 | 79 | 44 | 0 | 100 | 69 | 91 | 70 | 3 | 0 | 12 | .309 |
| 16 | 71 | 52 | 0 | 90 | 69 | 82 | 71 | 3 | 0 | 12 | .164 |
| 17 | 71 | 48 | 0 | 86 | 66 | 80 | 68 | 5 | 0 | 10 | .203 |
| 18 | 71 | 55 | 0 | 87 | 67 | 80 | 68 | 2 | 0 | 13 | .157 |
| 19 | 74 | 54 | 0 | 87 | 69 | 80 | 70 | 1 | 0 | 14 | .163 |
| 20 | 72 | 55 | 0 | 95 | 69 | 87 | 69 | 1 | 0 | 14 | .265 |
| 21 | 70 | 54 | 0 | 82 | 68 | 78 | 70 | 3 | 0 | 12 | .155 |
| 22 | 79 | 51 | 0 | 100 | 69 | 88 | 69 | 0 | 0 | 15 | .258 |
| 23 | 83 | 56 | 0 | 101 | 69 | 91 | 70 | 0 | 5 | 20 | .317 |
| 24 | 86 | 53 | 0 | 101 | 69 | 93 | 72 | 0 | 5 | 20 | .333 |
| 25 | 84 | 49 | 0 | 102 | 69 | 93 | 73 | 0 | 2 | 17 | .389 |
| 26 | 85 | 45 | 0 | 101 | 67 | 93 | 72 | 0 | 0 | 15 | .322 |
| 27 | 84 | 47 | 0 | 100 | 68 | 92 | 71 | 0 | 1 | 16 | .357 |
| 28 | 82 | 54 | .01 | 102 | 67 | 92 | 71 | 0 | 3 | 18 | .286 |
| 29 | 75 | 51 | 0 | 97 | 71 | 89 | 73 | 2 | 0 | 13 | .278 |
| 30 | 62 | 55 | .27 | 73 | 65 | 73 | 68 | 6 | 0 | 9 | .039 |
| 31 | 73 | 54 | T | 79 | 64 | 74 | 66 | 1 | 0 | 14 | .153 |
| Average/Total | 79.7 | 50.4 | 0.28 | 94.7 | 66.6 | 86.4 | 68.9 | 42 | 52 | 475 | 8.280 |
| Departure | -0.5 | -0.6 | -0.24 |   |   |   |   |   |   |   |   |