Daily Observations at Hyslop Exp. Stn., Corvallis
July 2009
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 | 80 | 47 | 0 | 0 | 93 | 63 | 86 | 68 | 1 | 0 | 14 | 0.38 |
| 2 | 88 | 53 | 0 | 0 | 95 | 64 | 88 | 67 | 0 | 6 | 21 | 0.36 |
| 3 | 92 | 49 | 0 | 0 | 102 | 69 | 93 | 71 | 0 | 6 | 21 | 0.30 |
| 4 | 92 | 46 | 0 | 0 | 105 | 70 | 95 | 75 | 0 | 4 | 19 | 0.36 |
| 5 | 93 | 48 | 0 | 0 | 104 | 68 | 95 | 72 | 0 | 6 | 21 | 0.43 |
| 6 | 79 | 55 | 0 | 0 | 98 | 70 | 89 | 73 | 0 | 2 | 17 | 0.27 |
| 7 | 71 | 45 | 0 | 0 | 91 | 67 | 85 | 71 | 7 | 0 | 8 | 0.29 |
| 8 | 72 | 52 | 0 | 0 | 91 | 69 | 84 | 69 | 3 | 0 | 12 | 0.23 |
| 9 | 72 | 50 | 0 | 0 | 85 | 68 | 80 | 70 | 4 | 0 | 11 | 0.16 |
| 10 | 76 | 55 | T | 0 | 93 | 69 | 86 | 69 | 0 | 1 | 16 | 0.24 |
| 11 | 85 | 53 | 0 | 0 | 98 | 70 | 89 | 71 | 0 | 4 | 19 | 0.34 |
| 12 | 73 | 57 | 0 | 0 | 90 | 70 | 83 | 73 | 0 | 0 | 15 | 0.19 |
| 13 | 66 | 55 | 0.79 | 0 | 77 | 63 | 74 | 66 | 4 | 0 | 11 | 0.03 |
| 14 | 72 | 49 | 0 | 0 | 81 | 59 | 75 | 63 | 4 | 0 | 11 | 0.19 |
| 15 | 79 | 53 | 0 | 0 | 81 | 60 | 76 | 62 | 0 | 1 | 16 | 0.3 |
| 16 | 89 | 55 | 0 | 0 | 91 | 62 | 84 | 63 | 0 | 7 | 22 | 0.32 |
| 17 | 92 | 55 | 0 | 0 | 97 | 66 | 89 | 68 | 0 | 9 | 24 | 0.38 |
| 18 | 93 | 52 | 0 | 0 | 100 | 68 | 92 | 72 | 0 | 8 | 23 | 0.4 |
| 19 | 88 | 51 | 0 | 0 | 100 | 67 | 92 | 72 | 0 | 5 | 20 | 0.37 |
| 20 | 84 | 55 | 0 | 0 | 96 | 67 | 89 | 71 | 0 | 5 | 20 | 0.43 |
| 21 | 92 | 51 | 0 | 0 | 101 | 69 | 92 | 71 | 0 | 7 | 22 | 0.40 |
| 22 | 88 | 49 | 0 | 0 | 103 | 70 | 93 | 72 | 0 | 4 | 19 | 0.32 |
| 23 | 84 | 50 | 0 | 0 | 100 | 71 | 91 | 73 | 0 | 2 | 17 | 0.15 |
| 24 | 80 | 52 | 0 | 0 | 96 | 68 | 88 | 72 | 0 | 1 | 16 | 0.29 |
| 25 | 86 | 54 | 0 | 0 | 99 | 68 | 90 | 70 | 0 | 5 | 20 | 0.31 |
| 26 | 93 | 54 | 0 | 0 | 103 | 71 | 94 | 74 | 0 | 9 | 24 | 0.29 |
| 27 | 93 | 59 | 0 | 0 | 103 | 72 | 95 | 75 | 0 | 11 | 26 | 0.41 |
| 28 | 102 | 71 | 0 | 0 | 106 | 78 | 98 | 79 | 0 | 22 | 37 | 0.48 |
| 29 | 105 | 64 | 0 | 0 | 109 | 80 | 100 | 82 | 0 | 20 | 35 | 0.50 |
| 30 | 105 | 58 | 0 | 0 | 109 | 78 | 101 | 81 | 0 | 17 | 32 | 0.40 |
| 31 | 90 | 53 | 0 | 0 | 105 | 74 | 97 | 79 | 0 | 7 | 22 | 0.31 |
| Average/Total | 85.6 | 53.2 | 0.79 | 0.00 | 96.8 | 68.6 | 89.1 | 71.4 | 23 | 169 | 611 | 9.830 |
| Departure | 5.4 | 2.2 | 0.27 |   |   |   |   |   |   |   |   |   |