Daily Observations at Hyslop Exp. Stn., Corvallis
May 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 | 61 | 41 | 0 | 0 | 76 | 46 | 71 | 50 | 14 | 0 | 1 | .196 |
| 2 | 61 | 34 | 0 | 0 | 48 | 47 | 71 | 53 | 17 | 0 | 0 | .130 |
| 3 | 65 | 41 | 0 | 0 | 77 | 47 | 70 | 50 | 12 | 0 | 3 | .424 |
| 4 | 74 | 48 | 0 | 0 | 82 | 51 | 74 | 53 | 4 | 0 | 11 | .363 |
| 5 | 78 | 39 | 0 | 0 | 87 | 54 | 79 | 56 | 6 | 0 | 9 | .338 |
| 6 | 74 | 37 | 0 | 0 | 85 | 53 | 76 | 58 | 9 | 0 | 6 | .264 |
| 7 | 64 | 46 | .03 | 0 | 79 | 53 | 73 | 55 | 10 | 0 | 5 | .180 |
| 8 | 55 | 34 | .26 | 0 | 59 | 46 | 59 | 52 | 20 | 0 | 0 | .006 |
| 9 | 61 | 39 | 0 | 0 | 73 | 46 | 67 | 50 | 15 | 0 | 0 | .174 |
| 10 | 66 | 40 | 0 | 0 | 76 | 46 | 69 | 49 | 12 | 0 | 3 | .222 |
| 11 | 74 | 47 | 0 | 0 | 79 | 49 | 73 | 53 | 4 | 0 | 11 | .204 |
| 12 | 70 | 34 | 0 | 0 | 84 | 51 | 75 | 56 | 13 | 0 | 2 | .202 |
| 13 | 69 | 37 | 0 | 0 | 85 | 51 | 76 | 53 | 12 | 0 | 3 | .243 |
| 14 | 71 | 38 | 0 | 0 | 86 | 52 | 78 | 55 | 10 | 0 | 5 | .260 |
| 15 | 80 | 56 | 0 | 0 | 90 | 55 | 82 | 57 | 0 | 3 | 18 | .268 |
| 16 | 93 | 48 | 0 | 0 | 96 | 63 | 86 | 64 | 0 | 6 | 21 | .179 |
| 17 | 84 | 50 | 0 | 0 | 96 | 63 | 87 | 67 | 0 | 2 | 17 | .203 |
| 18 | 86 | 47 | 0 | 0 | 97 | 64 | 87 | 66 | 0 | 2 | 17 | .299 |
| 19 | 85 | 50 | 0 | 0 | 98 | 64 | 89 | 67 | 0 | 3 | 18 | .377 |
| 20 | 67 | 50 | .05 | 0 | 78 | 62 | 75 | 66 | 6 | 0 | 9 | .130 |
| 21 | 74 | 48 | 0 | 0 | 92 | 63 | 84 | 63 | 4 | 0 | 11 | .214 |
| 22 | 77 | 52 | .59 | 0 | 87 | 63 | 79 | 65 | 0 | 0 | 15 | .175 |
| 23 | 69 | 52 | .33 | 0 | 79 | 62 | 73 | 63 | 4 | 0 | 11 | .130 |
| 24 | 66 | 52 | .26 | 0 | 73 | 60 | 69 | 61 | 6 | 0 | 9 | .039 |
| 25 | 65 | 43 | .02 | 0 | 69 | 55 | 66 | 58 | 11 | 0 | 4 | .131 |
| 26 | 62 | 47 | .15 | 0 | 68 | 55 | 65 | 56 | 10 | 0 | 5 | .079 |
| 27 | 60 | 45 | .17 | 0 | 70 | 55 | 65 | 57 | 12 | 0 | 3 | .124 |
| 28 | 55 | 46 | .57 | 0 | 60 | 55 | 58 | 55 | 14 | 0 | 1 | .023 |
| 29 | 63 | 49 | .02 | 0 | 68 | 55 | 62 | 55 | 9 | 0 | 6 | .110 |
| 30 | 69 | 42 | 0 | 0 | 81 | 55 | 73 | 56 | 9 | 0 | 6 | .188 |
| 31 | 77 | 49 | 0 | 0 | 84 | 56 | 76 | 57 | 2 | 0 | 13 | .211 |
| Average/Total | 70.2 | 44.5 | 2.45 | 0.00 | 79.4 | 54.7 | 73.8 | 57.3 | 245 | 16 | 243 | 6.086 |
| Departure | 4.1 | 1.4 | 0.50 |   |   |   |   |   |   |   |   |   |