Daily Observations at Hyslop Exp. Stn., Corvallis
August 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 | 82 | 55 | 0 | 0 | 97 | 63 | 88 | 67 | 0 | 4 | 19 | 0.38 |
| 2 | 70 | 57 | 0.01 | 0 | 86 | 69 | 79 | 71 | 1 | 0 | 14 | 0.10 |
| 3 | 75 | 45 | 0 | 0 | 94 | 64 | 86 | 69 | 5 | 0 | 10 | 0.40 |
| 4 | 78 | 49 | 0 | 0 | 92 | 62 | 85 | 67 | 1 | 0 | 14 | 0.24 |
| 5 | 88 | 50 | 0 | 0 | 97 | 65 | 88 | 67 | 0 | 4 | 19 | 0.31 |
| 6 | 93 | 50 | 0 | 0 | 102 | 68 | 92 | 70 | 0 | 7 | 22 | 0.26 |
| 7 | 90 | 51 | 0 | 0 | 98 | 69 | 90 | 72 | 0 | 6 | 21 | 0.38 |
| 8 | 85 | 54 | 0 | 0 | 99 | 69 | 90 | 72 | 0 | 5 | 20 | 0.27 |
| 9 | 77 | 55 | 0.02 | 0 | 95 | 70 | 88 | 73 | 0 | 1 | 16 | 0.24 |
| 10 | 75 | 45 | 0 | 0 | 90 | 65 | 83 | 70 | 5 | 0 | 10 | 0.12 |
| 11 | 81 | 44 | 0 | 0 | 98 | 64 | 88 | 68 | 2 | 0 | 13 | 0.36 |
| 12 | 85 | 53 | 0 | 0 | 98 | 67 | 89 | 70 | 0 | 4 | 19 | 0.47 |
| 13 | 88 | 56 | 0 | 0 | 100 | 70 | 90 | 70 | 0 | 7 | 22 | 0.43 |
| 14 | 90 | 60 | 0 | 0 | 98 | 70 | 89 | 72 | 0 | 10 | 25 | 0.43 |
| 15 | 99 | 58 | 0 | 0 | 102 | 73 | 92 | 75 | 0 | 14 | 29 | 0.46 |
| 16 | 100 | 58 | 0 | 0 | 105 | 75 | 96 | 78 | 0 | 14 | 29 | 0.37 |
| 17 | 99 | 64 | 0.01 | 0 | 105 | 74 | 95 | 76 | 0 | 17 | 32 | 0.33 |
| 18 | 96 | 58 | 0.02 | 0 | 96 | 73 | 88 | 75 | 0 | 12 | 27 | 0.24 |
| 19 | 71 | 58 | 0.03 | 0 | 81 | 69 | 77 | 71 | 0 | 0 | 15 | 0.10 |
| 20 | 74 | 61 | 0.21 | 0 | 84 | 67 | 77 | 69 | 0 | 3 | 18 | 0.09 |
| 21 | 68 | 57 | 0.50 | 0 | 71 | 63 | 69 | 66 | 2 | 0 | 13 | 0.11 |
| 22 | 73 | 50 | 0.02 | 0 | 81 | 59 | 74 | 62 | 3 | 0 | 12 | 0.18 |
| 23 | 81 | 48 | 0 | 0 | 82 | 60 | 77 | 62 | 0 | 0 | 15 | 0.25 |
| 24 | 87 | 52 | 0 | 0 | 90 | 60 | 83 | 62 | 0 | 5 | 20 | 0.14 |
| 25 | 83 | 56 | 0.41 | 0 | 89 | 62 | 80 | 65 | 0 | 5 | 20 | 0.28 |
| 26 | 72 | 44 | T | 0 | 79 | 57 | 74 | 61 | 7 | 0 | 8 | 0.19 |
| 27 | 74 | 51 | 0 | 0 | 81 | 57 | 75 | 61 | 2 | 0 | 13 | 0.26 |
| 28 | 75 | 46 | 0 | 0 | 82 | 58 | 76 | 61 | 4 | 0 | 11 | 0.15 |
| 29 | 82 | 54 | 0 | 0 | 92 | 58 | 83 | 61 | 0 | 3 | 18 | 0.26 |
| 30 | 87 | 49 | 0 | 0 | 98 | 63 | 87 | 68 | 0 | 3 | 18 | 0.35 |
| 31 | 72 | 38 | 0 | 0 | 89 | 57 | 82 | 63 | 10 | 0 | 5 | 0.31 |
| Average/Total | 82.3 | 52.5 | 1.23 | 0.00 | 92.0 | 65.2 | 84.2 | 68.2 | 42 | 124 | 547 | 8.460 |
| Departure | 1.2 | 1.2 | 0.36 |   |   |   |   |   |   |   |   |   |