Daily Observations at Hyslop Exp. Stn., Corvallis
October 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.) |
| 1 | 62 | 35 | .14 | 66 | 48 | 64 | 53 | 16 | 0 | 0 | .093 |
| 2 | 62 | 34 | 0 | 69 | 47 | 64 | 52 | 17 | 0 | 0 | .095 |
| 3 | 67 | 37 | .05 | 70 | 46 | 64 | 49 | 13 | 0 | 2 | .090 |
| 4 | 56 | 47 | .22 | 58 | 52 | 58 | 53 | 13 | 0 | 2 | .006 |
| 5 | 65 | 52 | .01 | 69 | 58 | 64 | 56 | 6 | 0 | 9 | .078 |
| 6 | 65 | 53 | 0 | 67 | 57 | 64 | 58 | 6 | 0 | 9 | .058 |
| 7 | 69 | 47 | 0 | 73 | 54 | 67 | 57 | 7 | 0 | 8 | .059 |
| 8 | 71 | 47 | 0 | 74 | 53 | 68 | 55 | 6 | 0 | 9 | .255 |
| 9 | 70 | 50 | 0 | 74 | 56 | 69 | 57 | 5 | 0 | 10 | .080 |
| 10 | 68 | 41 | 0 | 77 | 53 | 70 | 57 | 10 | 0 | 5 | .057 |
| 11 | 64 | 30 | 0 | 70 | 45 | 66 | 51 | 18 | 0 | 0 | .215 |
| 12 | 61 | 32 | 0 | 72 | 45 | 66 | 49 | 18 | 0 | 0 | .187 |
| 13 | 72 | 32 | 0 | 74 | 46 | 66 | 50 | 13 | 0 | 2 | .230 |
| 14 | 72 | 36 | 0 | 74 | 46 | 66 | 50 | 11 | 0 | 4 | .139 |
| 15 | 76 | 38 | 0 | 73 | 44 | 66 | 49 | 8 | 0 | 7 | .287 |
| 16 | 81 | 39 | 0 | 76 | 49 | 68 | 52 | 5 | 0 | 10 | .196 |
| 17 | 82 | 37 | 0 | 78 | 51 | 71 | 55 | 5 | 0 | 10 | .32 |
| 18 | 78 | 39 | 0 | 77 | 51 | 70 | 56 | 6 | 0 | 9 | .105 |
| 19 | 65 | 48 | 0 | 72 | 55 | 66 | 56 | 8 | 0 | 7 | .079 |
| 20 | 70 | 50 | 0 | 72 | 58 | 66 | 57 | 5 | 0 | 10 | .194 |
| 21 | 66 | 47 | .05 | 70 | 56 | 66 | 58 | 8 | 0 | 7 | .237 |
| 22 | 62 | 49 | 0 | 64 | 56 | 61 | 57 | 9 | 0 | 6 | .248 |
| 23 | 64 | 37 | T | 68 | 50 | 63 | 54 | 14 | 0 | 1 | .083 |
| 24 | 70 | 32 | T | 69 | 47 | 64 | 52 | 14 | 0 | 1 | .105 |
| 25 | 57 | 35 | 0 | 59 | 46 | 52 | 49 | 19 | 0 | 0 | .018 |
| 26 | 60 | 29 | .01 | 65 | 44 | 59 | 48 | 20 | 0 | 0 | .097 |
| 27 | 58 | 30 | .01 | 62 | 43 | 58 | 46 | 21 | 0 | 0 | .056 |
| 28 | 55 | 32 | .03 | 52 | 42 | 51 | 44 | 21 | 0 | 0 | .019 |
| 29 | 59 | 34 | .20 | 60 | 44 | 56 | 47 | 18 | 0 | 0 | .077 |
| 30 | 58 | 31 | T | 57 | 37 | 55 | 42 | 20 | 0 | 0 | .101 |
| 31 | 52 | 32 | 0 | 52 | 35 | 49 | 40 | 23 | 0 | 0 | .184 |
| Average/Total | 65.7 | 39.1 | 0.72 | 68.2 | 48.8 | 63.1 | 51.9 | 383 | 0 | 128 | 4.048 |
| Departure | 1.4 | -2.6 | -2.39 |   |   |   |   |   |   |   |   |