| TYS | Temp | Precip | Precip | HDD | CDD | ||||||||||||
| Daily | Daily | Daily | Daily | Daily | Daily | Month | Season | Year | Daily | Month | Season | Year | Month | Season | Month | Season | |
| DATE | High | Low | Average | HDD | CDD | Total | Total | Total | Total | Depart. | Depart. | Depart. | Depart. | Total | Total | Total | Total |
| 02/01/03 | 45 | 33 | 39 | 26 | 0 | 0.02 | 0.02 | 8.54 | 3.19 | -0.12 | -0.12 | -0.66 | -1.52 | 26 | 2415 | 0 | 0 |
| 02/02/03 | 64 | 30 | 47 | 18 | 0 | 0 | 0.02 | 8.54 | 3.19 | -0.14 | -0.26 | -0.80 | -1.66 | 44 | 2433 | 0 | 0 |
| 02/03/03 | 64 | 46 | 55 | 10 | 0 | T | 0.02 | 8.54 | 3.19 | -0.14 | -0.40 | -0.94 | -1.80 | 54 | 2443 | 0 | 0 |
| 02/04/03 | 63 | 34 | 49 | 16 | 0 | 0.62 | 0.64 | 9.16 | 3.81 | 0.48 | 0.08 | -0.46 | -1.32 | 70 | 2459 | 0 | 0 |
| 02/05/03 | 44 | 24 | 34 | 31 | 0 | 0 | 0.64 | 9.16 | 3.81 | -0.14 | -0.06 | -0.60 | -1.46 | 101 | 2490 | 0 | 0 |
| 02/06/03 | 41 | 32 | 37 | 28 | 0 | 0.34 | 0.98 | 9.50 | 4.15 | 0.20 | 0.14 | -0.40 | -1.26 | 129 | 2518 | 0 | 0 |
| 02/07/03 | 37 | 25 | 31 | 34 | 0 | 0.08 | 1.06 | 9.58 | 4.23 | -0.06 | 0.08 | -0.46 | -1.32 | 163 | 2552 | 0 | 0 |
| 02/08/03 | 32 | 17 | 25 | 40 | 0 | T | 1.06 | 9.58 | 4.23 | -0.14 | -0.06 | -0.60 | -1.46 | 203 | 2592 | 0 | 0 |
| 02/09/03 | 41 | 22 | 32 | 33 | 0 | 0.06 | 1.12 | 9.64 | 4.29 | -0.08 | -0.14 | -0.68 | -1.54 | 236 | 2625 | 0 | 0 |
| 02/10/03 | 38 | 29 | 34 | 31 | 0 | 0.24 | 1.36 | 9.88 | 4.53 | 0.10 | -0.04 | -0.58 | -1.44 | 267 | 2656 | 0 | 0 |
| 02/11/03 | 52 | 25 | 39 | 26 | 0 | 0 | 1.36 | 9.88 | 4.53 | -0.14 | -0.18 | -0.72 | -1.58 | 293 | 2682 | 0 | 0 |
| 02/12/03 | 46 | 28 | 37 | 28 | 0 | 0 | 1.36 | 9.88 | 4.53 | -0.14 | -0.32 | -0.86 | -1.72 | 321 | 2710 | 0 | 0 |
| 02/13/03 | 50 | 25 | 38 | 27 | 0 | 0 | 1.36 | 9.88 | 4.53 | -0.14 | -0.46 | -1.00 | -1.86 | 348 | 2737 | 0 | 0 |
| 02/14/03 | 42 | 35 | 39 | 26 | 0 | 1.63 | 2.99 | 11.51 | 6.16 | 1.49 | 1.03 | 0.49 | -0.37 | 374 | 2763 | 0 | 0 |
| 02/15/03 | 53 | 42 | 48 | 17 | 0 | 0.93 | 3.92 | 12.44 | 7.09 | 0.79 | 1.82 | 1.28 | 0.42 | 391 | 2780 | 0 | 0 |
| 02/16/03 | 54 | 42 | 48 | 17 | 0 | 1.28 | 5.20 | 13.72 | 8.37 | 1.14 | 2.96 | 2.42 | 1.56 | 408 | 2797 | 0 | 0 |
| 02/17/03 | 42 | 32 | 37 | 28 | 0 | 0.06 | 5.26 | 13.78 | 8.43 | -0.08 | 2.88 | 2.34 | 1.48 | 436 | 2825 | 0 | 0 |
| 02/18/03 | 36 | 30 | 33 | 32 | 0 | T | 5.26 | 13.78 | 8.43 | -0.14 | 2.74 | 2.20 | 1.34 | 468 | 2857 | 0 | 0 |
| 02/19/03 | 55 | 32 | 44 | 21 | 0 | 0.03 | 5.29 | 13.81 | 8.46 | -0.11 | 2.63 | 2.09 | 1.23 | 489 | 2878 | 0 | 0 |
| 02/20/03 | 50 | 44 | 47 | 18 | 0 | 0.06 | 5.35 | 13.87 | 8.52 | -0.08 | 2.55 | 2.01 | 1.15 | 507 | 2896 | 0 | 0 |
| 02/21/03 | 51 | 46 | 49 | 16 | 0 | 0.32 | 5.67 | 14.19 | 8.84 | 0.17 | 2.72 | 2.18 | 1.32 | 523 | 2912 | 0 | 0 |
| 02/22/03 | 73 | 44 | 59 | 6 | 0 | 2.08 | 7.75 | 16.27 | 10.92 | 1.93 | 4.65 | 4.11 | 3.25 | 529 | 2918 | 0 | 0 |
| 02/23/03 | 46 | 33 | 40 | 25 | 0 | 0.03 | 7.78 | 16.30 | 10.95 | -0.12 | 4.53 | 3.99 | 3.13 | 554 | 2943 | 0 | 0 |
| 02/24/03 | 55 | 35 | 45 | 20 | 0 | T | 7.78 | 16.30 | 10.95 | -0.15 | 4.38 | 3.84 | 2.98 | 574 | 2963 | 0 | 0 |
| 02/25/03 | 38 | 31 | 35 | 30 | 0 | 0.05 | 7.83 | 16.35 | 11.00 | -0.10 | 4.28 | 3.74 | 2.88 | 604 | 2993 | 0 | 0 |
| 02/26/03 | 41 | 33 | 37 | 28 | 0 | 0.38 | 8.21 | 16.73 | 11.38 | 0.23 | 4.51 | 3.97 | 3.11 | 632 | 3021 | 0 | 0 |
| 02/27/03 | 46 | 40 | 43 | 22 | 0 | 0.48 | 8.69 | 17.21 | 11.86 | 0.33 | 4.84 | 4.30 | 3.44 | 654 | 3043 | 0 | 0 |
| 02/28/03 | 55 | 44 | 50 | 15 | 0 | T | 8.69 | 17.21 | 11.86 | -0.16 | 4.68 | 4.14 | 3.28 | 669 | 3058 | 0 | 0 |
| Average | 48.4 | 33.3 | 40.9 | ||||||||||||||
| Depart | -3.3 | 1.5 | -0.9 | 17 | 130 | -1 | -1 |