Parker : 2026 Heat Units DOY = Day Of Year (1 to 365) Max = Maximum Air Temperature Min = Minimum Air Temperature HU = Daily Heat Units CUM = Accumulated Heat Units : Since Jan 1, 2026 * = Missing data. Max, Min Temps and Heat Units Estimated. Temperature and Heat Units are in Fahrenheit Units Heat Units calculated by Single Sine Method 86/55 86/50 86/45 94/55 RH ========== ========== ========== ========== =========== DOY Date Max Min HU CUM HU CUM HU CUM HU CUM Max Min Ave --- ------ --- --- ---- ---- ---- ---- ---- ---- ---- ---- --- --- --- 1 Jan 1 64 51 3.2 3 7.2 7 12.2 12 3.2 3 97 70 88 2 Jan 2 68 49 4.9 8 8.6 16 13.6 26 4.9 8 98 63 83 3 Jan 3 65 48 3.3 11 6.5 22 11.1 37 3.3 11 98 69 89 4 Jan 4 71 44 5.7 17 8.7 31 12.6 50 5.7 17 98 43 80 5 Jan 5 70 43 5.1 22 8.0 39 11.7 61 5.1 22 95 46 75 6 Jan 6 68 43 4.4 27 7.3 46 11.0 72 4.4 27 97 44 77 7 Jan 7 62 43 2.0 29 4.5 51 7.9 80 2.0 29 96 62 84 8 Jan 8 63 40 2.2 31 4.5 55 7.6 88 2.2 31 98 21 61 9 Jan 9 58 45 0.7 32 3.0 58 6.7 94 0.7 32 44 16 23 10 Jan 10 63 31 1.9 33 3.8 62 6.3 101 1.9 33 81 16 44 11 Jan 11 70 31 4.0 37 6.3 68 9.1 110 4.0 37 86 14 50 12 Jan 12 71 32 4.4 42 6.8 75 9.6 119 4.4 42 87 19 60 13 Jan 13 73 34 5.5 47 8.2 83 11.0 130 5.5 47 87 26 60 14 Jan 14 78 35 7.7 55 10.6 94 14.0 144 7.7 55 88 20 57 15 Jan 15 76 37 7.0 62 9.7 104 13.0 157 7.0 62 89 19 58 16 Jan 16 77 37 7.6 70 10.4 114 13.6 171 7.6 70 93 11 50 17 Jan 17 75 35 6.2 76 9.0 123 12.0 183 6.2 76 80 11 47 18 Jan 18 74 34 5.6 81 8.3 131 11.4 194 5.6 81 86 15 52 19 Jan 19 75 33 6.4 88 9.0 140 12.1 207 6.4 88 90 15 55 20 Jan 20 75 34 6.1 94 8.6 149 11.8 218 6.1 94 87 12 52 21 Jan 21 66 32 2.7 97 5.0 154 7.5 226 2.7 97 88 20 59 22 Jan 22 75 36 6.4 103 9.0 163 12.2 238 6.4 103 92 19 57 23 Jan 23 71 44 5.6 109 8.6 172 12.5 251 5.6 109 80 26 55 24 Jan 24 70 39 4.5 113 7.1 179 10.5 261 4.5 113 87 13 50 25 Jan 25 68 36 3.6 117 6.0 185 8.8 270 3.6 117 70 11 27 26 Jan 26 68 32 3.4 120 5.5 190 8.3 278 3.4 120 84 10 46 27 Jan 27 69 30 3.6 124 5.6 196 8.3 286 3.6 124 77 13 42 28 Jan 28 72 29 4.6 128 7.0 203 9.8 296 4.6 128 78 12 42 29 Jan 29 76 32 6.3 135 8.8 212 11.9 308 6.3 135 74 10 32 30 Jan 30 80 35 8.2 143 11.2 223 14.4 323 8.2 143 67 9 31 31 Jan 31 82 35 9.2 152 12.2 235 15.3 338 9.2 152 76 11 39 32 Feb 1 82 38 9.5 162 12.7 248 16.0 354 9.5 162 75 13 43 33 Feb 2 80 40 9.1 171 12.1 260 15.9 370 9.1 171 77 15 45 34 Feb 3 85 40 11.0 182 14.4 274 18.0 388 11.0 182 80 8 38 35 Feb 4 84 40 11.1 193 14.3 289 17.8 406 11.1 193 67 9 32 36 Feb 5 78 39 8.3 201 11.4 300 14.9 420 8.3 201 74 12 38 37 Feb 6 82 40 10.1 211 13.3 313 16.9 437 10.1 211 81 13 42 38 Feb 7 82 42 10.3 221 13.8 327 17.4 455 10.3 221 74 17 42 39 Feb 8 82 42 10.4 232 13.5 341 17.5 472 10.4 232 77 16 42 40 Feb 9 82 39 9.6 241 12.8 353 16.1 488 9.6 241 84 16 48 41 Feb 10 77 42 8.1 250 11.3 365 14.9 503 8.1 250 82 19 48 42 Feb 11 76 52 9.2 259 13.6 378 18.6 522 9.2 259 75 30 56 43 Feb 12 76 52 9.7 268 14.1 392 19.1 541 9.7 268 72 25 41 44 Feb 13 75 51 8.5 277 12.6 405 17.6 559 8.5 277 66 20 34 45 Feb 14 79 38 8.5 285 11.4 416 14.8 573 8.5 285 89 21 53 46 Feb 15 77 44 8.3 294 11.6 428 15.8 589 8.3 294 77 21 48 47 Feb 16 72 45 6.1 300 9.3 437 13.4 603 6.1 300 80 27 57 48 Feb 17 68 47 4.6 304 7.9 445 12.5 615 4.6 304 78 28 54 49 Feb 18 64 42 2.6 307 5.1 450 8.4 623 2.6 307 62 20 38 50 Feb 19 65 33 2.4 309 4.7 455 7.2 631 2.4 309 81 30 50 51 Feb 20 64 39 2.2 312 4.6 460 7.7 638 2.2 312 73 16 42 52 Feb 21 71 30 4.6 316 6.9 466 9.6 648 4.6 316 86 14 48 53 Feb 22 78 40 8.0 324 11.0 477 14.5 662 8.0 324 86 13 46 54 Feb 23 83 42 10.6 335 13.9 491 17.5 680 10.6 335 79 13 38 55 Feb 24 80 41 9.3 344 12.3 504 16.0 696 9.3 344 84 20 50 --- ------ --- --- ---- ---- ---- ---- ---- ---- ---- ---- --- --- --- DOY Date Max Min HU CUM HU CUM HU CUM HU CUM Max Min Ave ========== ========== ========== ========== =========== 86/55 86/50 86/45 94/55 RH Parker