Daily Observations at Hyslop Exp. Stn., Corvallis
June 2001
Bold = new daily record set (old record, year)
| Day | Max Temp (F) | Min Temp (F) | Precip (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 | 90 | 48 | 0 | 100 | 63 | 89 | 66 | 0 | 4 | 19 | .292 |
| 2 | 61 | 46 | .04 | 72 | 60 | 70 | 62 | 11 | 0 | 4 | .125 |
| 3 | 62 | 47 | .07 | 76 | 58 | 70 | 59 | 10 | 0 | 5 | .157 |
| 4 | 64 | 37 | .04 | 78 | 53 | 71 | 57 | 14 | 0 | 1 | .052 |
| 5 | 64 | 47 | .16 | 78 | 54 | 70 | 56 | 9 | 0 | 6 | .147 |
| 6 | 63 | 46 | .13 | 68 | 56 | 63 | 58 | 10 | 0 | 5 | .048 |
| 7 | 72 | 44 | 0 | 84 | 57 | 75 | 57 | 7 | 0 | 8 | .142 |
| 8 | 80 | 51 | 0 | 92 | 58 | 82 | 60 | 0 | 1 | 16 | .252 |
| 9 | 80 | 52 | T | 98 | 65 | 91 | 65 | 0 | 1 | 16 | .262 |
| 10 | 80 | 50 | 0 | 82 | 69 | 74 | 65 | 0 | 0 | 15 | .105 |
| 11 | 69 | 53 | .01 | 86 | 63 | 78 | 63 | 4 | 0 | 11 | .281 |
| 12 | 60 | 41 | .44 | 69 | 55 | 67 | 59 | 14 | 0 | 1 | .035 |
| 13 | 66 | 36 | 0 | 78 | 52 | 70 | 57 | 14 | 0 | 1 | .230 |
| 14 | 73 | 37 | 0 | 84 | 53 | 76 | 55 | 10 | 0 | 5 | .247 |
| 15 | 70 | 41 | 0 | 85 | 55 | 75 | 58 | 9 | 0 | 6 | .187 |
| 16 | 69 | 41 | 0 | 88 | 57 | 78 | 59 | 10 | 0 | 5 | .219 |
| 17 | 69 | 42 | 0 | 93 | 58 | 82 | 60 | 9 | 0 | 6 | .259 |
| 18 | 72 | 43 | 0 | 90 | 59 | 81 | 62 | 7 | 0 | 8 | .209 |
| 19 | 74 | 43 | 0 | 93 | 59 | 83 | 61 | 6 | 0 | 9 | .250 |
| 20 | 84 | 46 | 0 | 98 | 62 | 88 | 64 | 0 | 0 | 15 | .304 |
| 21 | 87 | 46 | 0 | 101 | 66 | 91 | 67 | 0 | 2 | 17 | .300 |
| 22 | 85 | 44 | 0 | 103 | 66 | 92 | 69 | 0 | 0 | 15 | .317 |
| 23 | 71 | 48 | 0 | 89 | 70 | 80 | 70 | 5 | 0 | 10 | .147 |
| 24 | 69 | 46 | .01 | 88 | 65 | 80 | 67 | 7 | 0 | 8 | .170 |
| 25 | 62 | 38 | .21 | 73 | 53 | 69 | 58 | 15 | 0 | 0 | .112 |
| 26 | 71 | 47 | T | 80 | 53 | 73 | 56 | 6 | 0 | 9 | .154 |
| 27 | 67 | 56 | .65 | 71 | 63 | 67 | 63 | 3 | 0 | 12 | .052 |
| 28 | 72 | 54 | .26 | 79 | 64 | 73 | 63 | 2 | 0 | 13 | .165 |
| 29 | 69 | 50 | T | 75 | 60 | 71 | 63 | 5 | 0 | 10 | .115 |
| 30 | 73 | 43 | 0 | 80 | 57 | 73 | 61 | 7 | 0 | 8 | .203 |
| Average/Total | 71.6 | 45.4 | 2.02 | 84.4 | 59.4 | 76.7 | 61.3 | 194 | 8 | 264 | 5.538 |
| Departure | -1.5 | -3.2 | 0.79 |   |   |   |   |   |   |   |   |