Maricopa : 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 72 32 4.9 5 7.2 7 10.2 10 4.9 5 77 19 44 2 Jan 2 75 33 6.1 11 8.8 16 11.8 22 6.1 11 69 13 38 3 Jan 3 78 34 7.7 19 10.4 26 13.4 35 7.7 19 64 11 34 4 Jan 4 72 35 5.0 24 7.6 34 10.5 46 5.0 24 62 14 33 5 Jan 5 69 33 3.7 27 6.2 40 8.9 55 3.7 27 66 15 38 6 Jan 6 69 30 3.7 31 6.0 46 8.8 64 3.7 31 70 10 37 7 Jan 7 69 36 4.0 35 6.4 53 9.6 73 4.0 35 66 12 30 8 Jan 8 61 45 1.6 37 4.2 57 8.0 81 1.6 37 49 19 32 9 Jan 9 62 29 1.5 38 3.3 60 5.6 87 1.5 38 76 18 42 10 Jan 10 62 29 1.4 40 3.2 63 5.5 92 1.4 40 76 12 37 11 Jan 11 63 26 1.7 41 3.6 67 5.8 98 1.7 41 68 11 33 12 Jan 12 63 24 1.7 43 3.3 70 5.5 104 1.7 43 62 10 30 13 Jan 13 61 26 1.2 44 2.8 73 5.0 109 1.2 44 54 13 29 14 Jan 14 65 21 2.0 46 3.7 77 5.9 115 2.0 46 68 11 32 15 Jan 15 72 27 4.7 51 7.2 84 9.8 124 4.7 51 60 11 28 16 Jan 16 75 37 6.2 57 8.9 93 12.3 137 6.2 57 49 14 28 17 Jan 17 66 42 3.4 61 6.1 99 9.6 146 3.4 61 53 19 32 18 Jan 18 68 31 3.2 64 5.4 104 8.1 154 3.2 64 59 18 36 19 Jan 19 68 27 3.1 67 5.0 109 7.6 162 3.1 67 63 15 38 20 Jan 20 65 26 2.3 69 4.3 114 6.5 168 2.3 69 65 8 29 21 Jan 21 59 29 0.6 70 2.2 116 4.3 173 0.6 70 29 3 10 22 Jan 22 64 24 1.8 72 3.5 119 5.8 179 1.8 72 56 6 21 23 Jan 23 64 27 1.9 73 3.8 123 6.2 185 1.9 73 41 4 15 24 Jan 24 69 27 3.5 77 5.6 129 8.1 193 3.5 77 36 4 15 25 Jan 25 74 36 5.8 83 8.5 137 11.6 204 5.8 83 53 4 16 26 Jan 26 72 32 4.9 88 7.3 145 10.3 215 4.9 88 44 7 22 27 Jan 27 63 35 1.9 90 3.9 148 6.7 221 1.9 90 81 34 54 28 Jan 28 62 36 1.5 91 3.5 152 6.1 228 1.5 91 96 28 61 29 Jan 29 58 38 0.4 91 2.1 154 4.7 232 0.4 91 85 42 65 30 Jan 30 63 33 1.9 93 4.0 158 6.5 239 1.9 93 96 31 63 31 Jan 31 67 30 3.0 96 5.2 163 7.7 246 3.0 96 87 27 54 32 Feb 1 74 34 6.0 102 8.5 172 11.7 258 6.0 102 83 17 46 33 Feb 2 82 39 9.8 112 12.8 185 16.4 275 9.8 112 68 15 39 34 Feb 3 83 39 10.4 123 13.7 198 17.2 292 10.4 123 75 17 40 35 Feb 4 89 42 13.2 136 16.7 215 20.3 312 13.4 136 71 11 32 36 Feb 5 80 42 9.4 145 12.6 228 16.4 328 9.4 145 61 13 28 37 Feb 6 80 37 8.7 154 11.5 239 15.0 343 8.7 154 74 13 33 38 Feb 7 78 43 8.7 163 12.2 251 16.1 360 8.7 163 60 20 37 39 Feb 8 79 44 9.3 172 12.9 264 16.9 376 9.3 172 69 18 44 40 Feb 9 77 42 7.9 180 10.9 275 14.5 391 7.9 180 72 17 38 41 Feb 10 79 44 9.5 189 12.8 288 16.8 408 9.5 189 69 11 31 42 Feb 11 70 42 4.9 194 7.8 296 11.2 419 4.9 194 60 15 33 43 Feb 12 68 44 4.1 198 7.0 303 10.8 430 4.1 198 62 21 38 44 Feb 13 69 39 4.3 203 7.0 310 10.3 440 4.3 203 78 27 49 45 Feb 14 74 51 8.1 211 12.5 322 17.5 458 8.1 211 76 29 47 46 Feb 15 71 44 5.5 216 8.5 331 12.4 470 5.5 216 66 21 41 47 Feb 16 75 39 6.8 223 9.5 340 12.9 483 6.8 223 71 13 36 48 Feb 17 77 37 7.3 230 10.2 350 13.4 496 7.3 230 70 12 29 49 Feb 18 77 40 7.8 238 10.7 361 14.4 511 7.8 238 59 13 29 50 Feb 19 79 37 8.4 246 11.4 372 14.8 525 8.4 247 69 12 31 51 Feb 20 79 38 8.2 255 11.1 384 14.7 540 8.2 255 58 10 26 52 Feb 21 77 37 7.6 262 10.3 394 13.8 554 7.6 262 60 9 26 53 Feb 22 78 37 7.9 270 10.7 405 14.0 568 7.9 270 61 9 26 54 Feb 23 81 39 9.3 279 12.4 417 16.0 584 9.3 280 53 8 24 55 Feb 24 85 39 11.4 291 14.7 432 18.0 602 11.4 291 53 7 24 56 Feb 25 89 42 13.1 304 16.6 448 20.3 622 13.4 304 53 7 20 57 Feb 26 88 46 13.7 318 17.5 466 21.8 644 13.9 318 43 8 19 58 Feb 27 81 51 11.6 329 15.9 482 20.9 665 11.6 330 35 6 13 59 Feb 28 79 40 8.3 338 11.4 493 14.9 680 8.3 338 57 6 20 60 Mar 1 82 40 9.7 347 12.8 506 16.7 697 9.7 348 57 7 26 61 Mar 2 79 47 9.9 357 13.4 519 18.0 715 9.9 358 62 17 35 62 Mar 3 64 49 3.1 360 6.5 526 11.4 726 3.1 361 53 21 34 63 Mar 4 72 42 5.6 366 8.6 534 12.2 738 5.6 367 57 17 36 64 Mar 5 77 39 7.5 373 10.4 545 13.8 752 7.5 374 65 14 33 65 Mar 6 71 53 7.0 380 11.7 556 16.7 769 7.0 381 59 19 31 66 Mar 7 59 45 0.9 381 3.2 560 7.0 776 0.9 382 93 42 71 67 Mar 8 67 39 3.4 385 5.9 566 9.0 785 3.4 385 99 32 69 68 Mar 9 76 40 7.2 392 10.2 576 13.6 798 7.2 393 98 16 58 69 Mar 10 84 39 10.4 402 13.8 590 17.3 816 10.4 403 88 8 41 70 Mar 11 79 49 10.2 412 13.9 603 18.9 834 10.2 413 73 10 36 71 Mar 12 73 52 7.8 420 12.2 616 17.2 852 7.8 421 91 35 57 72 Mar 13 74 48 7.7 428 11.3 627 16.0 868 7.7 429 93 26 59 73 Mar 14 57 42 0.3 428 2.2 629 5.1 873 0.3 429 92 34 60 74 Mar 15 66 41 3.3 432 5.9 635 9.2 882 3.3 432 100 28 68 75 Mar 16 74 39 6.4 438 9.2 644 12.5 894 6.4 439 90 20 51 76 Mar 17 82 44 10.7 449 14.2 658 18.2 913 10.7 449 86 16 43 77 Mar 18 70 53 6.8 455 11.4 670 16.4 929 6.8 456 56 14 28 78 Mar 19 71 42 5.6 461 8.5 678 12.1 941 5.6 462 55 7 23 79 Mar 20 80 39 8.7 470 11.7 690 15.1 956 8.7 470 56 5 25 80 Mar 21 83 41 10.3 480 13.5 704 17.2 973 10.3 481 59 6 22 81 Mar 22 86 44 12.6 493 16.1 720 20.3 994 12.6 493 47 8 21 82 Mar 23 88 49 14.2 507 18.2 738 23.3 1017 14.4 508 47 9 23 83 Mar 24 94 51 16.4 523 20.7 759 25.7 1043 17.9 526 65 7 26 84 Mar 25 99 54 18.3 542 23.2 782 28.2 1071 20.7 546 57 5 23 85 Mar 26 93 59 19.7 561 24.7 806 29.7 1101 21.1 567 45 9 21 86 Mar 27 91 54 16.7 578 21.7 828 26.7 1127 17.5 585 54 10 24 87 Mar 28 86 57 16.4 594 21.4 850 26.4 1154 16.4 601 41 5 23 88 Mar 29 81 57 13.8 608 18.8 868 23.8 1178 13.8 615 48 13 26 89 Mar 30 83 52 13.0 621 17.7 886 22.7 1200 13.0 628 44 9 24 90 Mar 31 82 55 13.2 634 18.3 904 23.3 1224 13.2 641 65 24 42 91 Apr 1 73 59 10.8 645 15.8 920 20.8 1244 10.8 652 56 15 33 92 Apr 2 67 47 4.3 649 7.6 928 12.0 1256 4.3 656 68 20 39 93 Apr 3 66 40 3.3 653 5.9 934 9.1 1265 3.3 660 78 22 42 94 Apr 4 71 50 6.7 659 10.6 944 15.4 1281 6.7 666 65 13 33 95 Apr 5 77 46 8.5 668 12.0 956 16.3 1297 8.5 675 66 14 35 96 Apr 6 79 45 9.5 677 12.8 969 17.1 1314 9.5 684 72 10 35 97 Apr 7 86 44 12.4 690 15.9 985 20.1 1334 12.4 697 50 6 22 98 Apr 8 91 46 14.5 704 18.2 1003 22.7 1357 15.2 712 59 4 21 99 Apr 9 95 50 16.6 721 20.9 1024 25.7 1383 18.4 730 47 5 19 100 Apr 10 98 51 17.6 739 21.9 1046 26.9 1410 19.7 750 57 4 18 101 Apr 11 100 52 17.9 756 22.6 1069 27.6 1437 20.3 770 42 3 17 102 Apr 12 100 55 18.8 775 23.9 1092 28.9 1466 21.3 792 37 3 14 103 Apr 13 95 66 23.1 798 28.1 1121 33.1 1499 25.2 817 28 4 11 104 Apr 14 94 60 20.1 818 25.1 1146 30.1 1529 21.9 839 35 6 13 105 Apr 15 93 58 19.1 838 24.1 1170 29.1 1558 20.4 859 46 14 26 106 Apr 16 93 54 17.3 855 22.4 1192 27.4 1586 18.7 878 44 4 20 107 Apr 17 80 59 14.5 869 19.5 1212 24.5 1610 14.5 892 55 27 38 108 Apr 18 77 51 9.6 879 13.8 1225 18.8 1629 9.6 902 93 20 44 --- ------ --- --- ---- ---- ---- ---- ---- ---- ---- ---- --- --- --- DOY Date Max Min HU CUM HU CUM HU CUM HU CUM Max Min Ave ========== ========== ========== ========== =========== 86/55 86/50 86/45 94/55 RH Maricopa