Daily Observations at Hyslop Exp. Stn., Corvallis
February 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 | 43 | 34 | .33 | 43 | 38 | 42 | 39 | 26 | 0 | 0 | |
| 2 | 47 | 32 | T | 48 | 38 | 45 | 39 | 25 | 0 | 0 | |
| 3 | 48 | 35 | .08 | 50 | 37 | 46 | 37 | 23 | 0 | 0 | |
| 4 | 52 | 28 | .01 | 53 | 37 | 48 | 40 | 25 | 0 | 0 | |
| 5 | 43 | 29 | .01 | 47 | 37 | 44 | 38 | 29 | 0 | 0 | |
| 6 | 49 | 32 | .11 | 44 | 37 | 43 | 38 | 24 | 0 | 0 | |
| 7 | 52 | 35 | .68 | 45 | 39 | 43 | 38 | 21 | 0 | 0 | |
| 8 | 43 | 34 | 1.34 | 43 | 41 | 43 | 41 | 26 | 0 | 0 | |
| 9 | 50 | 31 | .13 | 52 | 37 | 47 | 40 | 24 | 0 | 0 | |
| 10 | 49 | 31 | T | 50 | 36 | 46 | 35 | 25 | 0 | 0 | |
| 11 | 56 | 30 | .01 | 49 | 37 | 46 | 38 | 22 | 0 | 0 | |
| 12 | 46 | 34 | T | 47 | 36 | 44 | 38 | 25 | 0 | 0 | |
| 13 | 51 | 26 | 0 | 47 | 36 | 44 | 36 | 26 | 0 | 0 | |
| 14 | 51 | 27 | T | 47 | 36 | 44 | 37 | 26 | 0 | 0 | |
| 15 | 55 | 35 | 0 | 49 | 36 | 46 | 37 | 20 | 0 | 0 | |
| 16 | 60 | 39 | .13 | 54 | 37 | 48 | 37 | 15 | 0 | 0 | |
| 17 | 53 | 31 | T | 54 | 38 | 49 | 41 | 23 | 0 | 0 | |
| 18 | 53 | 34 | .06 | 51 | 38 | 47 | 39 | 21 | 0 | 0 | |
| 19 | 56 | 45 | .07 | 53 | 44 | 49 | 44 | 14 | 0 | 1 | |
| 20 | 52 | 40 | .01 | 53 | 46 | 50 | 46 | 19 | 0 | 0 | |
| 21 | 58 | 42 | .01 | 59 | 45 | 53 | 45 | 15 | 0 | 0 | |
| 22 | 62 | 44 | 0 | 56 | 48 | 53 | 49 | 12 | 0 | 3 | |
| 23 | 65 | 46 | .74 | 63 | 48 | 58 | 47 | 9 | 0 | 6 | |
| 24 | 57 | 39 | .05 | 58 | 46 | 54 | 48 | 17 | 0 | 0 | |
| 25 | 49 | 34 | T | 55 | 38 | 52 | 42 | 23 | 0 | 0 | |
| 26 | 53 | 34 | 0 | 54 | 37 | 49 | 39 | 21 | 0 | 0 | |
| 27 | 54 | 30 | 0 | 54 | 37 | 49 | 39 | 23 | 0 | 0 | |
| 28 | 55 | 29 | 0 | 54 | 36 | 49 | 38 | 23 | 0 | 0 | |
| Average/Total | 52.2 | 34.3 | 3.77 | 51.1 | 39.1 | 47.5 | 40.2 | 602 | 0 | 10 | 0.000 |
| Departure | 1.8 | -0.8 | -1.27 |   |   |   |   |   |   |   |   |