| 2008 | Julian Date | Max. Temp. F | Max Temp C | Min. Temp. F | Min. Temp C | Growing Degree Day @ 32 | Growing Degree Day @ 40 | Growing Degree Day @ 50 | Growing Degree Day @ 60 | Growing Degree Day @ 65 | Rainfall Inches | Rainfall mm | Max. Soil Temp. | Min. Soil Temp. | SNOW |
| 1-Jan | 1 | 54.41 | 12.45 | 35.17 | 1.76 | 7.1 | 4.8 | 0.0 | 0.0 | 0.0 | 0.01 | 0.25 | 47.41 | 39.79 | |
| 2 | 2 | 35.78 | 2.10 | 24.02 | -4.43 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 39.79 | 34.94 | |
| 3 | 3 | 28.14 | -2.14 | 14.97 | -9.46 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 34.99 | 33.07 | |
| 4 | 4 | 38.45 | 3.58 | 12.70 | -10.72 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 33.07 | 32.38 | |
| 5 | 5 | 44.00 | 6.67 | 22.85 | -5.08 | 0.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 32.92 | 32.72 | |
| 6 | 6 | 58.35 | 14.64 | 39.43 | 4.13 | 9.4 | 8.9 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 45.20 | 32.87 | |
| 7 | 7 | 67.12 | 19.51 | 45.07 | 7.26 | 13.4 | 16.1 | 6.1 | 0.0 | 0.0 | 0.00 | 0.00 | 51.44 | 39.62 | |
| 8 | 8 | 67.93 | 19.96 | 52.54 | 11.41 | 15.7 | 20.2 | 10.2 | 0.2 | 0.0 | 0.00 | 0.00 | 54.57 | 46.37 | |
| 9 | 9 | 68.76 | 20.42 | 40.78 | 4.88 | 12.6 | 14.8 | 4.8 | 0.0 | 0.0 | 0.00 | 0.00 | 56.39 | 46.78 | |
| 10 | 10 | 51.98 | 11.10 | 30.18 | -1.01 | 5.0 | 1.1 | 0.0 | 0.0 | 0.0 | 0.54 | 13.72 | 48.29 | 42.18 | |
| 11 | 11 | 67.24 | 19.58 | 45.22 | 7.35 | 13.5 | 16.2 | 6.2 | 0.0 | 0.0 | 0.24 | 6.10 | 56.79 | 45.67 | |
| 12 | 12 | 50.47 | 10.26 | 34.86 | 1.59 | 5.9 | 2.7 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 51.89 | 44.29 | |
| 13 | 13 | 47.21 | 8.45 | 30.85 | -0.64 | 3.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.26 | 6.60 | 46.07 | 41.22 | |
| 14 | 14 | 42.62 | 5.90 | 33.66 | 0.92 | 3.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.05 | 1.27 | 45.58 | 40.68 | |
| 15 | 15 | 37.10 | 2.84 | 27.62 | -2.44 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 40.68 | 36.15 | |
| 16 | 16 | 40.60 | 4.78 | 27.62 | -2.44 | 1.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 40.48 | 34.95 | |
| 17 | 17 | 46.02 | 7.79 | 28.17 | -2.13 | 2.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.60 | 15.24 | 40.93 | 35.59 | |
| 18 | 18 | 49.23 | 9.57 | 33.23 | 0.69 | 5.1 | 1.2 | 0.0 | 0.0 | 0.0 | 0.12 | 3.05 | 46.56 | 40.17 | |
| 19 | 19 | 39.12 | 3.96 | 31.09 | -0.51 | 1.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 41.51 | 38.24 | |
| 20 | 20 | 32.68 | 0.38 | 17.35 | -8.14 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 38.24 | 33.83 | 1.0 |
| 21 | 21 | 28.14 | -2.14 | 14.36 | -9.80 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 33.83 | 32.57 | |
| 22 | 22 | 42.92 | 6.07 | 17.84 | -7.87 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.04 | 1.02 | 32.76 | 32.21 | |
| 23 | 23 | 43.75 | 6.53 | 24.14 | -4.37 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.01 | 0.25 | 40.05 | 32.55 | |
| 24 | 24 | 35.11 | 1.73 | 19.36 | -7.03 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 34.33 | 33.77 | |
| 25 | 25 | 30.11 | -1.05 | 15.71 | -9.05 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.03 | 0.76 | 34.25 | 33.54 | |
| 26 | 26 | 41.39 | 5.22 | 19.62 | -6.88 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 35.84 | 33.23 | |
| 27 | 27 | 40.04 | 4.47 | 29.51 | -1.39 | 1.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 39.83 | 33.96 | |
| 28 | 28 | 42.04 | 5.58 | 25.43 | -3.65 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 37.95 | 33.36 | |
| 29 | 29 | 53.40 | 11.89 | 24.08 | -4.40 | 3.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 39.83 | 33.40 | |
| 30 | 30 | 54.55 | 12.53 | 26.29 | -3.17 | 4.7 | 0.4 | 0.0 | 0.0 | 0.0 | 0.02 | 0.51 | 45.25 | 36.46 | |
| 31 | 31 | 41.61 | 5.34 | 20.23 | -6.54 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.00 | 0.00 | 39.96 | 34.00 | |
| Average | 45.82 | 7.68 | 27.87 | -2.30 | 42.15 | 36.79 | |||||||||
| Total | 1.92 | 48.77 | 1.0 | ||||||||||||
| GDD Sum | 113.8 | 86.4 | 27.3 | 0.2 | 0.0 | ||||||||||
| YTD | |||||||||||||||
| Average | 45.82 | 7.68 | 27.87 | -2.30 | 42.15 | 36.79 | |||||||||
| Total | 1.92 | 48.77 | 1.00 | ||||||||||||
| GDD Sum | 114 | 86 | 27 | 0 | 0 | ||||||||||