Parker : 2025 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, 2025 * = 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 70 34 4.2 4 6.7 7 9.3 9 4.2 4 84 18 54 2 Jan 2 73 33 5.2 9 7.8 15 10.6 20 5.2 9 82 15 48 3 Jan 3 73 36 5.6 15 8.1 23 11.3 31 5.6 15 80 14 51 4 Jan 4 72 38 5.5 21 8.2 31 11.5 43 5.5 21 79 11 34 5 Jan 5 71 38 5.2 26 7.8 39 11.0 54 5.2 26 67 11 30 6 Jan 6 70 34 4.5 30 7.0 46 9.8 64 4.5 30 80 14 48 7 Jan 7 69 34 3.8 34 6.3 52 9.1 73 3.8 34 80 17 40 8 Jan 8 68 55 6.7 41 11.7 64 16.7 89 6.7 41 28 14 20 9 Jan 9 66 47 3.7 44 6.9 71 11.4 101 3.7 44 30 11 16 10 Jan 10 66 37 2.9 47 5.4 76 8.3 109 2.9 47 55 10 23 11 Jan 11 69 28 3.6 51 5.9 82 8.4 117 3.6 51 76 9 32 12 Jan 12 63 50 2.9 54 6.6 88 11.6 129 2.9 54 26 13 19 13 Jan 13 63 34 1.8 56 3.9 92 6.5 136 1.8 56 56 14 23 14 Jan 14 64 32 2.1 58 4.2 97 6.7 142 2.1 58 58 11 26 15 Jan 15 71 28 4.1 62 6.5 103 8.9 151 4.1 62 71 8 35 16 Jan 16 73 33 5.4 67 7.9 111 11.0 162 5.4 67 64 8 30 17 Jan 17 70 32 4.0 71 6.3 117 9.3 171 4.0 71 83 13 42 18 Jan 18 71 29 4.4 76 6.7 124 9.4 181 4.4 76 83 11 37 19 Jan 19 65 27 2.2 78 4.1 128 6.6 187 2.2 78 68 9 35 20 Jan 20 62 29 1.5 79 3.3 131 5.8 193 1.5 79 71 9 26 21 Jan 21 63 32 1.8 81 3.8 135 6.3 200 1.8 81 43 3 14 22 Jan 22 67 26 2.8 84 5.0 140 7.4 207 2.8 84 58 4 22 23 Jan 23 67 38 3.4 87 5.8 146 8.8 216 3.4 87 31 5 11 24 Jan 24 68 23 2.9 90 4.8 151 7.4 223 2.9 90 65 6 29 25 Jan 25 67 27 2.9 93 4.8 156 7.4 231 2.9 93 78 6 37 26 Jan 26 66 31 2.7 96 4.8 160 7.3 238 2.7 96 72 24 46 27 Jan 27 61 45 1.8 98 4.5 165 8.3 246 1.8 98 89 41 65 28 Jan 28 62 29 1.4 99 3.1 168 5.5 252 1.4 99 97 30 61 29 Jan 29 64 37 2.2 101 4.5 172 7.3 259 2.2 101 75 19 47 30 Jan 30 67 35 3.2 104 5.5 178 8.4 267 3.2 104 76 22 49 31 Jan 31 71 31 4.4 109 6.7 185 9.5 277 4.4 109 87 23 53 32 Feb 1 73 35 5.4 114 8.0 193 11.0 288 5.4 114 81 19 48 33 Feb 2 80 40 9.0 123 12.0 205 15.7 304 9.0 123 77 16 45 34 Feb 3 87 44 12.7 136 16.0 221 20.2 324 12.8 136 80 16 44 35 Feb 4 81 47 10.8 147 14.6 235 19.3 343 10.8 147 81 20 46 36 Feb 5 78 42 8.5 155 11.8 247 15.5 359 8.5 155 78 18 45 37 Feb 6 76 41 7.5 163 10.5 258 14.2 373 7.5 163 84 27 52 38 Feb 7 77 49 9.1 172 12.7 270 17.7 390 9.1 172 79 36 60 39 Feb 8 73 53 8.5 180 13.3 284 18.3 409 8.5 180 79 17 35 40 Feb 9 73 44 6.3 187 9.6 293 13.3 422 6.3 187 69 11 31 41 Feb 10 71 37 5.0 192 7.7 301 10.7 433 5.0 192 81 12 41 42 Feb 11 68 38 3.7 195 6.3 307 9.3 442 3.7 195 80 18 40 43 Feb 12 64 45 2.7 198 5.6 313 9.4 451 2.7 198 65 12 31 44 Feb 13 62 48 2.3 200 5.4 318 10.1 462 2.3 200 85 27 60 45 Feb 14 71 50 6.7 207 10.6 329 15.4 477 6.7 207 82 26 50 46 Feb 15 71 48 6.4 213 10.1 339 14.9 492 6.4 214 61 14 33 47 Feb 16 73 39 6.0 219 8.7 348 12.1 504 6.0 220 83 14 45 48 Feb 17 76 41 7.4 227 10.4 358 14.0 518 7.4 227 88 18 51 49 Feb 18 77 45 8.3 235 11.7 370 15.6 534 8.3 235 69 10 30 50 Feb 19 80 39 8.6 244 11.9 382 15.3 549 8.6 244 72 13 39 51 Feb 20 78 39 8.0 252 11.0 393 14.5 563 8.0 252 80 10 36 52 Feb 21 74 49 7.5 259 11.3 404 16.2 580 7.5 259 56 12 26 53 Feb 22 78 40 8.1 267 11.1 415 14.5 594 8.1 267 72 11 33 54 Feb 23 82 35 9.2 277 12.2 427 15.7 610 9.2 277 78 10 42 55 Feb 24 84 39 10.3 287 13.4 441 17.2 627 10.3 287 84 8 42 56 Feb 25 89 41 12.9 300 16.4 457 20.0 647 13.1 300 75 13 39 57 Feb 26 86 49 13.6 313 17.5 474 22.5 669 13.6 314 55 6 19 58 Feb 27 79 56 12.7 326 17.7 492 22.7 692 12.7 326 26 6 12 59 Feb 28 80 46 10.1 336 13.7 506 18.1 710 10.1 336 65 9 31 60 Mar 1 82 45 10.5 347 14.0 520 18.0 728 10.5 347 75 8 33 61 Mar 2 76 45 7.9 355 11.2 531 15.3 744 7.9 355 80 19 45 62 Mar 3 69 43 4.5 359 7.4 538 11.1 755 4.5 359 73 16 35 63 Mar 4 75 46 7.5 367 10.9 549 15.2 770 7.5 367 66 16 33 64 Mar 5 75 43 7.2 374 10.5 560 14.1 784 7.2 374 66 17 37 65 Mar 6 69 53 6.2 380 10.8 571 15.8 800 6.2 380 62 16 38 66 Mar 7 65 46 3.2 383 6.2 577 10.6 810 3.2 383 93 23 59 67 Mar 8 72 45 6.1 389 9.4 586 13.5 824 6.1 390 74 15 35 68 Mar 9 77 36 7.2 396 10.2 596 13.4 837 7.2 397 88 14 47 69 Mar 10 82 37 9.4 406 12.3 609 15.6 853 9.4 406 84 12 44 70 Mar 11 69 47 5.0 411 8.3 617 12.9 866 5.0 411 81 25 48 71 Mar 12 73 46 6.5 417 9.9 627 14.2 880 6.5 418 92 39 65 72 Mar 13 62 44 1.9 419 4.5 631 8.0 888 1.9 420 87 30 63 73 Mar 14 58 39 0.4 420 2.2 634 4.8 893 0.4 420 90 36 71 74 Mar 15 71 37 4.8 424 7.5 641 10.6 903 4.8 425 92 19 55 75 Mar 16 76 39 7.2 432 10.0 651 13.6 917 7.2 432 86 18 48 76 Mar 17 79 48 9.8 441 13.6 665 18.3 935 9.8 442 83 20 46 77 Mar 18 75 50 8.2 450 12.3 677 17.3 953 8.2 450 46 11 24 78 Mar 19 72 45 6.3 456 9.5 687 13.4 966 6.3 456 77 8 25 79 Mar 20 79 37 8.5 464 11.5 698 14.9 981 8.5 465 88 9 41 80 Mar 21 83 44 10.9 475 14.4 712 18.4 999 10.9 476 79 9 38 81 Mar 22 83 46 11.3 487 15.1 728 19.5 1019 11.3 487 81 15 43 82 Mar 23 87 53 15.1 502 19.7 747 24.7 1043 15.1 502 74 13 40 83 Mar 24 92 50 15.8 518 20.0 767 25.0 1068 16.7 519 77 12 41 84 Mar 25 94 50 16.2 534 20.3 788 25.2 1094 17.7 536 80 8 44 85 Mar 26 91 53 16.2 550 21.1 809 26.1 1120 16.9 553 83 13 43 86 Mar 27 85 57 15.9 566 20.9 830 25.9 1146 15.9 569 67 15 35 87 Mar 28 78 58 12.8 579 17.8 847 22.8 1168 12.8 582 67 22 48 88 Mar 29 78 55 11.9 591 16.9 864 21.9 1190 11.9 594 64 11 35 89 Mar 30 78 53 10.6 601 15.3 880 20.3 1211 10.6 605 77 22 50 90 Mar 31 82 51 12.1 613 16.7 896 21.7 1232 12.1 617 87 25 53 91 Apr 1 72 55 8.1 621 13.1 909 18.1 1250 8.1 625 73 11 30 92 Apr 2 66 45 3.6 625 6.7 916 10.5 1261 3.6 628 73 23 50 93 Apr 3 69 42 4.7 630 7.5 924 11.0 1272 4.7 633 82 18 51 94 Apr 4 74 41 6.6 636 9.6 933 13.2 1285 6.6 640 83 11 42 95 Apr 5 78 40 8.2 644 11.3 944 14.7 1300 8.2 648 83 8 32 96 Apr 6 80 41 9.2 654 12.5 957 15.9 1316 9.2 657 75 8 36 97 Apr 7 87 42 12.4 666 15.7 973 19.5 1335 12.4 669 86 8 40 98 Apr 8 88 48 14.0 680 17.7 990 22.5 1358 14.1 684 71 12 37 99 Apr 9 92 48 15.4 695 19.3 1010 24.3 1382 16.4 700 71 10 36 100 Apr 10 94 50 16.4 712 20.5 1030 25.5 1408 17.8 718 75 11 39 101 Apr 11 94 51 16.7 729 20.9 1051 25.9 1433 18.2 736 75 11 40 102 Apr 12 91 54 16.9 745 21.7 1073 26.7 1460 17.8 754 73 7 34 103 Apr 13 93 55 17.4 763 22.4 1095 27.4 1488 18.5 772 60 8 29 104 Apr 14 93 49 15.6 778 19.6 1115 24.5 1512 16.7 789 71 7 29 105 Apr 15 94 49 16.0 794 20.1 1135 25.2 1537 17.5 806 74 10 34 106 Apr 16 89 54 16.1 811 21.0 1156 26.0 1563 16.4 823 64 13 36 107 Apr 17 78 52 10.2 821 14.8 1171 19.8 1583 10.2 833 69 21 43 108 Apr 18 78 50 9.9 831 14.0 1185 19.0 1602 9.9 843 73 20 48 --- ------ --- --- ---- ---- ---- ---- ---- ---- ---- ---- --- --- --- 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