| 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 | Avg. | HDD | CDD | Total | Total | Total | Total | Depart. | Depart. | Depart. | Depart. | Total | Total | Total | Total |
| 03/01/03 | 61 | 37 | 49 | 16 | 0 | 0 | 0.00 | 0.00 | 11.86 | -0.16 | -0.16 | -0.16 | 3.12 | 16 | 3074 | 0 | 0 |
| 03/02/03 | 54 | 37 | 46 | 19 | 0 | 0.01 | 0.01 | 0.01 | 11.87 | -0.15 | -0.31 | -0.31 | 2.97 | 35 | 3093 | 0 | 0 |
| 03/03/03 | 50 | 29 | 40 | 25 | 0 | 0 | 0.01 | 0.01 | 11.87 | -0.17 | -0.48 | -0.48 | 2.80 | 60 | 3118 | 0 | 0 |
| 03/04/03 | 63 | 28 | 46 | 19 | 0 | 0.01 | 0.02 | 0.02 | 11.88 | -0.16 | -0.64 | -0.64 | 2.64 | 79 | 3137 | 0 | 0 |
| 03/05/03 | 64 | 50 | 57 | 8 | 0 | 0.15 | 0.17 | 0.17 | 12.03 | -0.02 | -0.66 | -0.66 | 2.62 | 87 | 3145 | 0 | 0 |
| 03/06/03 | 59 | 40 | 50 | 15 | 0 | 0.49 | 0.66 | 0.66 | 12.52 | 0.32 | -0.34 | -0.34 | 2.94 | 102 | 3160 | 0 | 0 |
| 03/07/03 | 62 | 34 | 48 | 17 | 0 | 0 | 0.66 | 0.66 | 12.52 | -0.17 | -0.51 | -0.51 | 2.77 | 119 | 3177 | 0 | 0 |
| 03/08/03 | 70 | 35 | 53 | 12 | 0 | 0 | 0.66 | 0.66 | 12.52 | -0.17 | -0.68 | -0.68 | 2.60 | 131 | 3189 | 0 | 0 |
| 03/09/03 | 65 | 41 | 53 | 12 | 0 | 0 | 0.66 | 0.66 | 12.52 | -0.17 | -0.85 | -0.85 | 2.43 | 143 | 3201 | 0 | 0 |
| 03/10/03 | 51 | 32 | 42 | 23 | 0 | 0 | 0.66 | 0.66 | 12.52 | -0.17 | -1.02 | -1.02 | 2.26 | 166 | 3224 | 0 | 0 |
| 03/11/03 | 60 | 33 | 47 | 18 | 0 | 0 | 0.66 | 0.66 | 12.52 | -0.17 | -1.19 | -1.19 | 2.09 | 184 | 3242 | 0 | 0 |
| 03/12/03 | 74 | 36 | 55 | 10 | 0 | 0 | 0.66 | 0.66 | 12.52 | -0.17 | -1.36 | -1.36 | 1.92 | 194 | 3252 | 0 | 0 |
| 03/13/03 | 74 | 46 | 60 | 5 | 0 | 0.19 | 0.85 | 0.85 | 12.71 | 0.02 | -1.34 | -1.34 | 1.94 | 199 | 3257 | 0 | 0 |
| 03/14/03 | 63 | 49 | 56 | 9 | 0 | 0.09 | 0.94 | 0.94 | 12.80 | -0.08 | -1.42 | -1.42 | 1.86 | 208 | 3266 | 0 | 0 |
| 03/15/03 | 66 | 52 | 59 | 6 | 0 | T | 0.94 | 0.94 | 12.80 | -0.17 | -1.59 | -1.59 | 1.69 | 214 | 3272 | 0 | 0 |
| 03/16/03 | 66 | 52 | 59 | 6 | 0 | T | 0.94 | 0.94 | 12.80 | -0.17 | -1.76 | -1.76 | 1.52 | 220 | 3278 | 0 | 0 |
| 03/17/03 | 69 | 50 | 60 | 5 | 0 | 0.08 | 1.02 | 1.02 | 12.88 | -0.09 | -1.85 | -1.85 | 1.43 | 225 | 3283 | 0 | 0 |
| 03/18/03 | 67 | 55 | 61 | 4 | 0 | 0.01 | 1.03 | 1.03 | 12.89 | -0.16 | -2.01 | -2.01 | 1.27 | 229 | 3287 | 0 | 0 |
| 03/19/03 | 72 | 54 | 63 | 2 | 0 | 0.28 | 1.31 | 1.31 | 13.17 | 0.11 | -1.90 | -1.90 | 1.38 | 231 | 3289 | 0 | 0 |
| 03/20/03 | 67 | 52 | 60 | 5 | 0 | 0.01 | 1.32 | 1.32 | 13.18 | -0.16 | -2.06 | -2.06 | 1.22 | 236 | 3294 | 0 | 0 |
| 03/21/03 | 63 | 49 | 56 | 9 | 0 | 0 | 1.32 | 1.32 | 13.18 | -0.17 | -2.23 | -2.23 | 1.05 | 245 | 3303 | 0 | 0 |
| 03/22/03 | 64 | 49 | 57 | 8 | 0 | 0 | 1.32 | 1.32 | 13.18 | -0.17 | -2.40 | -2.40 | 0.88 | 253 | 3311 | 0 | 0 |
| 03/23/03 | 67 | 42 | 55 | 10 | 0 | 0 | 1.32 | 1.32 | 13.18 | -0.17 | -2.57 | -2.57 | 0.71 | 263 | 3321 | 0 | 0 |
| 03/24/03 | 71 | 41 | 56 | 9 | 0 | 0 | 1.32 | 1.32 | 13.18 | -0.17 | -2.74 | -2.74 | 0.54 | 272 | 3330 | 0 | 0 |
| 03/25/03 | 76 | 44 | 60 | 5 | 0 | 0 | 1.32 | 1.32 | 13.18 | -0.17 | -2.91 | -2.91 | 0.37 | 277 | 3335 | 0 | 0 |
| 03/26/03 | 61 | 48 | 55 | 10 | 0 | 0.01 | 1.33 | 1.33 | 13.19 | -0.15 | -3.06 | -3.06 | 0.22 | 287 | 3345 | 0 | 0 |
| 03/27/03 | 75 | 42 | 59 | 6 | 0 | 0 | 1.33 | 1.33 | 13.19 | -0.16 | -3.22 | -3.22 | 0.06 | 293 | 3351 | 0 | 0 |
| 03/28/03 | 77 | 51 | 64 | 1 | 0 | 0 | 1.33 | 1.33 | 13.19 | -0.16 | -3.38 | -3.38 | -0.10 | 294 | 3352 | 0 | 0 |
| 03/29/03 | 66 | 38 | 52 | 13 | 0 | 0.47 | 1.80 | 1.80 | 13.66 | 0.31 | -3.07 | -3.07 | 0.21 | 307 | 3365 | 0 | 0 |
| 03/30/03 | 45 | 33 | 39 | 26 | 0 | 0.27 | 2.07 | 2.07 | 13.93 | 0.12 | -2.95 | -2.95 | 0.33 | 333 | 3391 | 0 | 0 |
| 03/31/03 | 53 | 27 | 40 | 25 | 0 | 0 | 2.07 | 2.07 | 13.93 | -0.15 | -3.10 | -3.10 | 0.18 | 358 | 3416 | 0 | 0 |
| Average | 64.4 | 42.1 | 53.3 | ||||||||||||||
| Depart | 4.1 | 3 | 3.6 | -109 | 21 | -5 | -6 |