Daily Observations at Hyslop Exp. Stn., Corvallis
January 2008
Bold = new daily record set (old record, year)
| Day | Max Temp (F) | Min Temp (F) | Precip (in) | Snow (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 | 36 | 25 | T | 0 | 37 | 34 | 36 | 35 | 34 | 0 | 0 | 0 |
| 2 | 40 | 31 | .12 | 0 | 42 | 35 | 39 | 36 | 29 | 0 | 0 | 0 |
| 3 | 43 | 36 | .45 | 0 | 40 | 37 | 39 | 37 | 25 | 0 | 0 | 0 |
| 4 | 51 | 38 | .44 | 0 | 42 | 39 | 44 | 36 | 20 | 0 | 0 | 0 |
| 5 | 52 | 36 | 1.12 | 0 | 48 | 39 | 44 | 36 | 21 | 0 | 0 | 0 |
| 6 | 41 | 34 | .24 | 0 | 40 | 38 | 41 | 40 | 27 | 0 | 0 | 0 |
| 7 | 40 | 31 | .69 | 0 | 38 | 36 | 38 | 37 | 29 | 0 | 0 | 0 |
| 8 | 43 | 32 | .57 | 0 | 42 | 35 | 39 | 37 | 27 | 0 | 0 | 0 |
| 9 | 45 | 34 | .62 | 0 | 43 | 38 | 41 | 39 | 25 | 0 | 0 | 0 |
| 10 | 47 | 35 | .23 | 0 | 43 | 38 | 41 | 39 | 24 | 0 | 0 | 0 |
| 11 | 56 | 44 | .45 | 0 | 56 | 42 | 46 | 41 | 15 | 0 | 0 | 0 |
| 12 | 51 | 44 | .33 | 0 | 50 | 45 | 46 | 43 | 17 | 0 | 0 | 0 |
| 13 | 54 | 35 | .10 | 0 | 50 | 42 | 48 | 44 | 20 | 0 | 0 | 0 |
| 14 | 42 | 37 | .01 | 0 | 46 | 42 | 43 | 41 | 25 | 0 | 0 | 0 |
| 15 | 46 | 27 | .16 | 0 | 45 | 36 | 44 | 39 | 28 | 0 | 0 | 0 |
| 16 | 45 | 26 | 0 | 0 | 45 | 36 | 41 | 37 | 29 | 0 | 0 | 0 |
| 17 | 40 | 27 | 0 | 0 | 43 | 35 | 39 | 36 | 31 | 0 | 0 | 0 |
| 18 | 35 | 27 | .01 | 0 | 39 | 35 | 37 | 35 | 34 | 0 | 0 | 0 |
| 19 | 36 | 32 | 0 | 0 | 39 | 37 | 38 | 37 | 31 | 0 | 0 | 0 |
| 20 | 41 | 33 | .03 | 0 | 40 | 38 | 39 | 36 | 28 | 0 | 0 | 0 |
| 21 | 43 | 27 | .01 | 0 | 44 | 35 | 41 | 38 | 30 | 0 | 0 | 0 |
| 22 | 40 | 26 | 0 | 0 | 34 | 33 | 34 | 34 | 32 | 0 | 0 | 0 |
| 23 | 40 | 28 | 0 | 0 | 32 | 32 | 34 | 34 | 31 | 0 | 0 | 0 |
| 24 | 41 | 19 | 0 | 0 | 32 | 30 | 34 | 34 | 35 | 0 | 0 | 0 |
| 25 | 35 | 19 | .02 | 1.0 | 32 | 30 | 33 | 33 | 38 | 0 | 0 | 0 |
| 26 | 41 | 22 | T | 0 | 32 | 31 | 33 | 33 | 33 | 0 | 0 | 0 |
| 27 | 40 | 30 | 1.35 | 0 | 32 | 32 | 33 | 33 | 30 | 0 | 0 | 0 |
| 28 | 35 | 28 | .16 | T | 32 | 32 | 34 | 33 | 33 | 0 | 0 | 0 |
| 29 | 41 | 29 | .37 | .25 | 37 | 31 | 35 | 33 | 30 | 0 | 0 | 0 |
| 30 | 43 | 32 | .91 | 1.0 | 40 | 34 | 38 | 35 | 27 | 0 | 0 | 0 |
| 31 | 43 | 32 | .33 | 0 | 39 | 34 | 37 | 34 | 27 | 0 | 0 | 0 |
| Average/Total | 42.8 | 30.8 | 8.72 | 2.25 | 40.5 | 35.8 | 39.0 | 36.6 | 865 | 0 | 0 | 0.000 |
| Departure | -2.7 | -2.2 | 1.90 |   |   |   |   |   |   |   |   |   |