Daily Observations at Hyslop Exp. Stn., Corvallis
February 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 | 47 | 29 | 0 | 48 | 36 | 44 | 38 | 27 | 0 | 0 | |
| 2 | 55 | 32 | .05 | 48 | 36 | 45 | 37 | 21 | 0 | 0 | |
| 3 | 52 | 38 | .11 | 49 | 43 | 46 | 43 | 20 | 0 | 0 | |
| 4 | 51 | 39 | .26 | 48 | 43 | 46 | 43 | 20 | 0 | 0 | |
| 5 | 58 | 31 | .02 | 53 | 41 | 50 | 44 | 20 | 0 | 0 | |
| 6 | 49 | 31 | .01 | 49 | 40 | 46 | 42 | 25 | 0 | 0 | |
| 7 | 47 | 23 | 0 | 48 | 36 | 46 | 40 | 30 | 0 | 0 | |
| 8 | 44 | 23 | 0 | 46 | 36 | 43 | 37 | 31 | 0 | 0 | |
| 9 | 39 | 32 | .04 | 41 | 36 | 40 | 36 | 29 | 0 | 0 | |
| 10 | 49 | 31 | T | 49 | 37 | 45 | 37 | 25 | 0 | 0 | |
| 11 | 43 | 33 | .17 | 43 | 37 | 41 | 36 | 27 | 0 | 0 | |
| 12 | 45 | 28 | 0 | 45 | 37 | 43 | 39 | 28 | 0 | 0 | |
| 13 | 48 | 26 | 0 | 48 | 36 | 46 | 38 | 28 | 0 | 0 | |
| 14 | 52 | 29 | 0 | 48 | 36 | 46 | 36 | 24 | 0 | 0 | |
| 15 | 55 | 32 | .02 | 51 | 36 | 47 | 36 | 21 | 0 | 0 | |
| 16 | 48 | 40 | .09 | 44 | 39 | 41 | 38 | 21 | 0 | 0 | |
| 17 | 55 | 37 | .01 | 52 | 39 | 48 | 42 | 19 | 0 | 0 | |
| 18 | 46 | 33 | .08 | 45 | 37 | 44 | 39 | 25 | 0 | 0 | |
| 19 | 55 | 33 | .02 | 53 | 38 | 48 | 38 | 21 | 0 | 0 | |
| 20 | 53 | 32 | T | 49 | 39 | 47 | 40 | 22 | 0 | 0 | |
| 21 | 53 | 33 | .25 | 51 | 38 | 47 | 39 | 22 | 0 | 0 | |
| 22 | 56 | 34 | .06 | 55 | 43 | 51 | 44 | 20 | 0 | 0 | |
| 23 | 50 | 34 | T | 51 | 42 | 47 | 43 | 23 | 0 | 0 | |
| 24 | 53 | 30 | .01 | 54 | 39 | 50 | 42 | 23 | 0 | 0 | |
| 25 | 54 | 28 | 0 | 56 | 37 | 51 | 42 | 24 | 0 | 0 | |
| 26 | 55 | 29 | 0 | 57 | 37 | 51 | 38 | 23 | 0 | 0 | |
| 27 | 56 | 32 | 0 | 56 | 37 | 49 | 38 | 21 | 0 | 0 | |
| 28 | 59 | 27 | 0 | 56 | 36 | 51 | 38 | 22 | 0 | 0 | |
| Average/Total | 51.0 | 31.4 | 1.20 | 49.8 | 38.1 | 46.4 | 39.4 | 662 | 0 | 0 | 0.000 |
| Departure | 0.6 | -3.7 | -3.84 |   |   |   |   |   |   |   |   |