Daily Observations at Hyslop Exp. Stn., Corvallis
November 2004
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 | 55 | 38 | .08 | 59 | 47 | 56 | 48 | 18 | 0 | 0 | |
| 2 | 56 | 43 | .06 | 53 | 48 | 51 | 49 | 15 | 0 | 0 | |
| 3 | 57 | 35 | .94 | 54 | 45 | 53 | 49 | 19 | 0 | 0 | |
| 4 | 51 | 34 | T | 53 | 40 | 52 | 45 | 22 | 0 | 0 | |
| 5 | 55 | 28 | 0 | 52 | 38 | 49 | 42 | 23 | 0 | 0 | |
| 6 | 54 | 29 | trace | 55 | 38 | 50 | 42 | 23 | 0 | 0 | |
| 7 | 45 | 32 | .01 | 50 | 40 | 48 | 40 | 26 | 0 | 0 | |
| 8 | 51 | 35 | 0 | 54 | 45 | 50 | 45 | 22 | 0 | 0 | |
| 9 | 45 | 36 | 0 | 50 | 44 | 48 | 44 | 24 | 0 | 0 | |
| 10 | 50 | 41 | 0 | 52 | 47 | 52 | 48 | 19 | 0 | 0 | |
| 11 | 52 | 38 | 0 | 53 | 46 | 51 | 43 | 20 | 0 | 0 | |
| 12 | 53 | 38 | 0 | 56 | 46 | 53 | 46 | 19 | 0 | 0 | |
| 13 | 51 | 44 | .09 | 52 | 49 | 50 | 49 | 17 | 0 | 0 | |
| 14 | 50 | 45 | 0 | 54 | 49 | 51 | 48 | 17 | 0 | 0 | |
| 15 | 57 | 41 | trace | 55 | 48 | 52 | 49 | 16 | 0 | 0 | |
| 16 | 56 | 43 | .31 | 52 | 49 | 51 | 46 | 15 | 0 | 0 | |
| 17 | 56 | 38 | trace | 57 | 48 | 54 | 49 | 18 | 0 | 0 | |
| 18 | 49 | 42 | .12 | 51 | 47 | 51 | 49 | 19 | 0 | 0 | |
| 19 | 53 | 37 | .09 | 53 | 45 | 51 | 47 | 20 | 0 | 0 | |
| 20 | 48 | 28 | trace | 52 | 39 | 49 | 43 | 27 | 0 | 0 | |
| 21 | 43 | 27 | 0 | 47 | 38 | 45 | 39 | 30 | 0 | 0 | |
| 22 | 41 | 28 | .01 | 46 | 37 | 44 | 39 | 30 | 0 | 0 | |
| 23 | 48 | 35 | trace | 49 | 39 | 47 | 41 | 23 | 0 | 0 | |
| 24 | 52 | 42 | .11 | 51 | 45 | 49 | 45 | 18 | 0 | 0 | |
| 25 | 59 | 49 | .47 | 58 | 51 | 53 | 49 | 11 | 0 | 4 | |
| 26 | 57 | 33 | .03 | 57 | 45 | 53 | 48 | 20 | 0 | 0 | |
| 27 | 45 | 39 | .01 | 50 | 45 | 48 | 47 | 23 | 0 | 0 | |
| 28 | 51 | 27 | trace | 53 | 38 | 50 | 43 | 26 | 0 | 0 | |
| 29 | 41 | 28 | .04 | 44 | 38 | 42 | 39 | 30 | 0 | 0 | |
| 30 | 42 | 31 | .15 | 44 | 40 | 43 | 40 | 28 | 0 | 0 | |
| Average/Total | 50.8 | 36.1 | 2.52 | 52.2 | 43.8 | 49.9 | 45.0 | 638 | 0 | 4 | 0.000 |
| Departure | -1.5 | -1.9 | -4.30 |   |   |   |   |   |   |   |   |