Daily Observations at Hyslop Exp. Stn., Corvallis
September 2005
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 | 83 | 53 | 0 | 0 | 95 | 63 | 86 | 66 | 0 | 3 | 18 | .417 |
| 2 | 88 | 49 | 0 | 0 | 97 | 65 | 88 | 69 | 0 | 4 | 19 | .177 |
| 3 | 78 | 52 | 0 | 0 | 97 | 64 | 87 | 68 | 0 | 0 | 15 | .226 |
| 4 | 78 | 47 | 0 | 0 | 92 | 64 | 85 | 70 | 2 | 0 | 13 | .220 |
| 5 | 76 | 47 | 0 | 0 | 92 | 62 | 84 | 67 | 3 | 0 | 12 | .241 |
| 6 | 77 | 45 | 0 | 0 | 94 | 62 | 85 | 65 | 4 | 0 | 11 | .240 |
| 7 | 81 | 50 | 0 | 0 | 94 | 61 | 86 | 66 | 0 | 1 | 16 | .305 |
| 8 | 87 | 50 | 0 | 0 | 93 | 64 | 85 | 68 | 0 | 4 | 19 | .400 |
| 9 | 87 | 44 | 0 | 0 | 94 | 63 | 85 | 68 | 0 | 1 | 16 | .306 |
| 10 | 67 | 51 | .09 | 0 | 78 | 60 | 73 | 63 | 6 | 0 | 9 | .109 |
| 11 | 70 | 43 | .04 | 0 | 81 | 57 | 75 | 60 | 8 | 0 | 7 | .143 |
| 12 | 72 | 43 | trace | 0 | 88 | 57 | 78 | 58 | 7 | 0 | 8 | .138 |
| 13 | 77 | 42 | 0 | 0 | 92 | 58 | 83 | 61 | 5 | 0 | 10 | .203 |
| 14 | 78 | 43 | 0 | 0 | 90 | 58 | 82 | 62 | 4 | 0 | 11 | .238 |
| 15 | 80 | 49 | 0 | 0 | 92 | 59 | 84 | 62 | 0 | 0 | 15 | .207 |
| 16 | 79 | 49 | 0 | 0 | 90 | 63 | 81 | 67 | 1 | 0 | 14 | .116 |
| 17 | 60 | 48 | 0.23 | 0 | 69 | 58 | 69 | 62 | 11 | 0 | 4 | .104 |
| 18 | 70 | 39 | trace | 0 | 83 | 53 | 74 | 58 | 10 | 0 | 5 | .166 |
| 19 | 74 | 39 | 0 | 0 | 85 | 52 | 76 | 56 | 8 | 0 | 7 | .177 |
| 20 | 76 | 45 | 0 | 0 | 87 | 53 | 78 | 56 | 4 | 0 | 11 | .216 |
| 21 | 74 | 43 | 0 | 0 | 84 | 54 | 77 | 60 | 6 | 0 | 9 | .287 |
| 22 | 75 | 42 | 0 | 0 | 85 | 54 | 77 | 58 | 6 | 0 | 9 | .244 |
| 23 | 70 | 38 | 0 | 0 | 82 | 54 | 75 | 58 | 11 | 0 | 4 | .317 |
| 24 | 76 | 33 | 0 | 0 | 83 | 51 | 75 | 56 | 10 | 0 | 5 | .264 |
| 25 | 71 | 35 | 0 | 0 | 84 | 52 | 76 | 56 | 12 | 0 | 3 | .180 |
| 26 | 76 | 37 | 0 | 0 | 83 | 51 | 75 | 56 | 8 | 0 | 7 | .246 |
| 27 | 81 | 46 | 0 | 0 | 86 | 54 | 78 | 59 | 1 | 0 | 14 | .190 |
| 28 | 75 | 39 | 0 | 0 | 85 | 55 | 77 | 61 | 8 | 0 | 7 | .293 |
| 29 | 80 | 41 | 0 | 0 | 87 | 55 | 78 | 59 | 4 | 0 | 11 | .197 |
| 30 | 82 | 42 | .03 | 0 | 82 | 56 | 74 | 59 | 3 | 0 | 12 | .043 |
| Average/Total | 76.6 | 44.1 | 0.39 | 0.00 | 87.5 | 57.7 | 79.5 | 61.8 | 142 | 13 | 321 | 6.610 |
| Departure | 1.2 | -3.7 | -1.12 |   |   |   |   |   |   |   |   |   |