Daily Observations at Hyslop Exp. Stn., Corvallis
March 2000
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 |
| 1 | 53 | 30 | .07 | 55 | 40 | 50 | 41 | 23 | 0 | 0 |
| 2 | 50 | 36 | .23 | 49 | 39 | 47 | 40 | 22 | 0 | 0 |
| 3 | 57 | 34 | .01 | 57 | 43 | 52 | 44 | 19 | 0 | 0 |
| 4 | 51 | 42 | .86 | 52 | 44 | 48 | 44 | 18 | 0 | 0 |
| 5 | 46 | 31 | .28 | 53 | 39 | 49 | 43 | 26 | 0 | 0 |
| 6 | 47 | 32 | .01 | 50 | 39 | 48 | 38 | 25 | 0 | 0 |
| 7 | 51 | 29 | .01 | 55 | 38 | 50 | 39 | 25 | 0 | 0 |
| 8 | 48 | 34 | .10 | 49 | 38 | 47 | 39 | 24 | 0 | 0 |
| 9 | 55 | 34 | 0 | 60 | 42 | 54 | 39 | 20 | 0 | 0 |
| 10 | 57 | 34 | .02 | 60 | 42 | 54 | 43 | 19 | 0 | 0 |
| 11 | 51 | 37 | .34 | 53 | 42 | 49 | 43 | 21 | 0 | 0 |
| 12 | 53 | 32 | .07 | 55 | 42 | 52 | 42 | 22 | 0 | 0 |
| 13 | 58 | 37 | 0 | 63 | 41 | 56 | 41 | 17 | 0 | 0 |
| 14 | 53 | 41 | .52 | 53 | 46 | 50 | 47 | 18 | 0 | 0 |
| 15 | 55 | 30 | 0 | 55 | 39 | 52 | 43 | 22 | 0 | 0 |
| 16 | 51 | 34 | .36 | 56 | 39 | 51 | 41 | 22 | 0 | 0 |
| 17 | 53 | 37 | .07 | 58 | 45 | 54 | 45 | 20 | 0 | 0 |
| 18 | 51 | 41 | .03 | 51 | 44 | 49 | 44 | 19 | 0 | 0 |
| 19 | 52 | 37 | .19 | 52 | 43 | 49 | 45 | 20 | 0 | 0 |
| 20 | 49 | 39 | .27 | 53 | 42 | 49 | 42 | 21 | 0 | 0 |
| 21 | 55 | 38 | 0 | 63 | 45 | 56 | 45 | 18 | 0 | 0 |
| 22 | 65 | 41 | 0 | 69 | 47 | 61 | 48 | 12 | 0 | 3 |
| 23 | 55 | 36 | .10 | 55 | 44 | 53 | 46 | 19 | 0 | 0 |
| 24 | 55 | 33 | .02 | 62 | 42 | 56 | 45 | 21 | 0 | 0 |
| 25 | 59 | 38 | 0 | 64 | 42 | 58 | 43 | 16 | 0 | 0 |
| 26 | 53 | 32 | T | 59 | 41 | 54 | 45 | 22 | 0 | 0 |
| 27 | 63 | 37 | .02 | 67 | 42 | 60 | 42 | 15 | 0 | 0 |
| 28 | 53 | 36 | .02 | 56 | 43 | 52 | 46 | 20 | 0 | 0 |
| 29 | 52 | 29 | .04 | 58 | 40 | 52 | 42 | 24 | 0 | 0 |
| 30 | 53 | 33 | 0 | 60 | 40 | 55 | 41 | 22 | 0 | 0 |
| 31 | 63 | 37 | 0 | 65 | 40 | 59 | 43 | 15 | 0 | 0 |
| Average/Total | 53.8 | 35.2 | 3.64 | 57.0 | 41.7 | 52.5 | 42.9 | 627 | 0 | 3 |
| Departure | -1.1 | -1.8 | -0.91 |   |   |   |   |   |   |   |