Daily Observations at Hyslop Exp. Stn., Corvallis
April 2006
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 | 59 | 41 | .16 | 0 | 65 | 47 | 58 | 48 | 15 | 0 | 0 | .086 |
| 2 | 55 | 43 | .10 | 0 | 60 | 47 | 55 | 48 | 16 | 0 | 0 | .085 |
| 3 | 56 | 43 | .07 | 0 | 57 | 48 | 53 | 48 | 15 | 0 | 0 | .017 |
| 4 | 58 | 35 | T | 0 | 61 | 43 | 56 | 47 | 18 | 0 | 0 | .084 |
| 5 | 62 | 38 | trace | 0 | 67 | 42 | 61 | 46 | 15 | 0 | 0 | .062 |
| 6 | 62 | 36 | .01 | 0 | 65 | 45 | 58 | 48 | 16 | 0 | 0 | .245 |
| 7 | 61 | 41 | 0 | 0 | 64 | 46 | 58 | 47 | 14 | 0 | 1 | .112 |
| 8 | 66 | 48 | .15 | 0 | 66 | 49 | 60 | 49 | 8 | 0 | 7 | .149 |
| 9 | 61 | 41 | .01 | 0 | 65 | 50 | 59 | 51 | 14 | 0 | 1 | .082 |
| 10 | 58 | 41 | .15 | 0 | 65 | 50 | 58 | 49 | 15 | 0 | 0 | .098 |
| 11 | 60 | 43 | .28 | 0 | 68 | 51 | 61 | 50 | 13 | 0 | 2 | .107 |
| 12 | 64 | 43 | .30 | 0 | 71 | 51 | 64 | 51 | 11 | 0 | 4 | .000 |
| 13 | 67 | 43 | .01 | 0 | 75 | 52 | 67 | 53 | 10 | 0 | 5 | .253 |
| 14 | 60 | 47 | .07 | 0 | 67 | 53 | 61 | 55 | 11 | 0 | 4 | .044 |
| 15 | 53 | 40 | .28 | 0 | 58 | 48 | 55 | 50 | 18 | 0 | 0 | .183 |
| 16 | 48 | 37 | .75 | 0 | 52 | 43 | 50 | 46 | 22 | 0 | 0 | .118 |
| 17 | 53 | 37 | .04 | 0 | 63 | 44 | 56 | 44 | 20 | 0 | 0 | .073 |
| 18 | 55 | 31 | .08 | 0 | 63 | 42 | 57 | 46 | 22 | 0 | 0 | .110 |
| 19 | 64 | 35 | trace | 0 | 72 | 42 | 64 | 44 | 15 | 0 | 0 | .022 |
| 20 | 70 | 39 | 0 | 0 | 76 | 46 | 67 | 48 | 10 | 0 | 5 | .250 |
| 21 | 67 | 44 | .04 | 0 | 74 | 49 | 67 | 51 | 9 | 0 | 6 | .177 |
| 22 | 60 | 35 | trace | 0 | 67 | 44 | 62 | 48 | 17 | 0 | 0 | .147 |
| 23 | 64 | 40 | 0 | 0 | 65 | 43 | 60 | 45 | 13 | 0 | 2 | .193 |
| 24 | 74 | 39 | 0 | 0 | 69 | 45 | 65 | 47 | 8 | 0 | 7 | .325 |
| 25 | 72 | 37 | 0 | 0 | 77 | 46 | 71 | 49 | 10 | 0 | 5 | .186 |
| 26 | 67 | 40 | 0 | 0 | 74 | 48 | 69 | 51 | 11 | 0 | 4 | .063 |
| 27 | 64 | 38 | 0 | 0 | 72 | 49 | 62 | 52 | 14 | 0 | 1 | .108 |
| 28 | 72 | 44 | 0 | 0 | 78 | 49 | 71 | 51 | 7 | 0 | 8 | .203 |
| 29 | 80 | 42 | 0 | 0 | 84 | 54 | 77 | 56 | 4 | 0 | 11 | .328 |
| 30 | 68 | 32 | 0 | 0 | 78 | 46 | 71 | 53 | 15 | 0 | 0 | .196 |
| Average/Total | 62.7 | 39.8 | 2.50 | 0.00 | 67.9 | 47.1 | 61.8 | 49.0 | 406 | 0 | 73 | 4.106 |
| Departure | 3.2 | 0.6 | -0.06 |   |   |   |   |   |   |   |   |   |