Safford : 2024 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, 2024 * = 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 59 31 0.6 1 2.1 2 4.4 4 0.6 1 86 28 59 2 Jan 2 62 35 1.7 2 3.7 6 6.2 11 1.7 2 91 31 61 3 Jan 3 63 31 1.8 4 3.8 10 6.1 17 1.8 4 91 31 61 4 Jan 4 51 39 0.0 4 0.2 10 2.0 19 0.0 4 85 45 65 5 Jan 5 54 39 0.0 4 1.0 11 3.3 22 0.0 4 81 36 59 6 Jan 6 58 32 0.4 5 1.8 13 3.9 26 0.4 5 88 22 57 7 Jan 7 58 29 0.4 5 1.8 14 3.9 30 0.4 5 99 16 64 8 Jan 8 45 30 0.0 5 0.0 14 0.0 30 0.0 5 87 31 57 9 Jan 9 50 21 0.0 5 0.0 14 1.0 31 0.0 5 91 23 59 10 Jan 10 56 21 0.1 5 1.2 16 2.8 34 0.1 5 84 21 56 11 Jan 11 50 23 0.0 5 0.0 16 1.0 35 0.0 5 95 41 69 12 Jan 12 51 23 0.0 5 0.1 16 1.4 36 0.0 5 92 21 63 13 Jan 13 57 23 0.2 5 1.3 17 3.1 39 0.2 5 88 18 58 14 Jan 14 64 27 1.8 7 3.7 21 5.9 45 1.8 7 81 22 49 15 Jan 15 63 26 1.7 9 3.4 24 5.7 51 1.7 9 83 24 52 16 Jan 16 63 27 1.7 10 3.6 28 5.9 57 1.7 10 82 25 53 17 Jan 17 65 29 2.3 13 4.2 32 6.7 63 2.3 13 78 21 49 18 Jan 18 70 31 4.3 17 6.7 39 9.3 73 4.3 17 75 22 47 19 Jan 19 71 35 4.6 22 7.1 46 10.2 83 4.6 22 73 23 48 20 Jan 20 66 39 3.1 25 5.5 51 8.7 92 3.1 25 62 21 39 21 Jan 21 56 45 0.2 25 2.1 53 5.5 97 0.2 25 99 32 81 22 Jan 22 60 44 1.4 26 3.8 57 7.3 104 1.4 26 100 51 85 23 Jan 23 57 47 0.4 27 2.8 60 7.1 111 0.4 27 95 61 85 24 Jan 24 61 42 1.5 28 3.8 64 6.9 118 1.5 28 98 42 78 25 Jan 25 63 35 1.8 30 3.8 68 6.4 125 1.8 30 99 36 74 26 Jan 26 62 37 1.5 32 3.7 71 6.4 131 1.5 32 98 36 68 27 Jan 27 66 35 2.7 34 5.0 76 7.7 139 2.7 34 89 26 59 28 Jan 28 69 36 4.2 38 6.7 83 9.8 149 4.2 38 80 21 51 29 Jan 29 70 38 4.4 43 7.1 90 10.2 159 4.4 43 76 22 51 30 Jan 30 73 38 5.6 48 8.5 99 11.9 171 5.6 48 79 22 54 31 Jan 31 73 44 6.6 55 10.0 109 13.9 185 6.6 55 87 32 57 32 Feb 1 78 46 9.0 64 12.5 121 17.0 202 9.0 64 85 18 48 33 Feb 2 59 42 0.7 65 2.8 124 5.8 207 0.7 65 87 44 69 34 Feb 3 57 37 0.4 65 2.0 126 4.4 212 0.4 65 88 30 62 35 Feb 4 62 29 1.5 67 3.3 129 5.7 218 1.5 67 92 19 59 36 Feb 5 72 35 5.1 72 7.8 137 10.7 228 5.1 72 78 19 45 37 Feb 6 65 49 3.5 75 7.0 144 11.9 240 3.5 75 81 24 48 38 Feb 7 51 39 0.0 75 0.2 144 2.1 242 0.0 75 94 57 81 39 Feb 8 62 29 1.4 77 3.1 147 5.4 248 1.4 77 99 22 70 40 Feb 9 58 26 0.3 77 1.6 149 3.5 251 0.3 77 96 29 62 41 Feb 10 44 36 0.0 77 0.0 149 0.0 251 0.0 77 95 60 82 42 Feb 11 54 31 0.0 77 0.8 150 2.6 254 0.0 77 96 29 70 43 Feb 12 62 26 1.4 78 3.0 153 5.2 259 1.4 78 94 23 60 44 Feb 13 69 31 3.7 82 5.9 159 8.6 268 3.7 82 81 13 46 45 Feb 14 68 27 3.3 85 5.4 164 7.8 275 3.3 85 82 15 48 46 Feb 15 72 29 4.6 90 7.0 171 9.8 285 4.6 90 81 13 46 47 Feb 16 70 29 4.1 94 6.3 177 9.0 294 4.1 94 77 17 44 48 Feb 17 72 32 4.9 99 7.5 185 10.3 304 4.9 99 74 19 46 49 Feb 18 69 38 4.2 103 6.8 192 9.9 314 4.2 103 64 22 44 50 Feb 19 76 34 6.8 110 9.3 201 12.4 327 6.8 110 77 13 43 51 Feb 20 81 35 9.0 119 11.6 212 14.9 342 9.0 119 59 5 31 52 Feb 21 75 40 7.1 126 10.0 222 13.4 355 7.1 126 48 11 31 53 Feb 22 70 34 4.4 130 6.9 229 9.8 365 4.4 130 77 20 47 54 Feb 23 76 34 6.6 137 9.4 239 12.4 377 6.6 137 80 14 44 55 Feb 24 78 36 7.8 145 10.6 249 13.6 391 7.8 145 61 12 34 56 Feb 25 80 37 8.8 154 11.6 261 14.8 406 8.8 154 65 12 36 57 Feb 26 73 53 8.4 162 13.1 274 18.1 424 8.4 162 86 28 48 58 Feb 27 71 49 6.2 168 10.0 284 14.9 439 6.2 168 87 25 52 59 Feb 28 72 38 5.5 174 8.1 292 11.4 450 5.5 174 97 22 66 60 Feb 29 66 45 3.5 177 6.4 299 10.3 460 3.5 177 95 41 75 61 Mar 1 72 37 5.4 183 8.1 307 11.2 472 5.4 183 99 27 67 62 Mar 2 75 42 7.2 190 10.5 317 14.1 486 7.2 190 90 13 50 63 Mar 3 73 35 5.6 195 8.2 325 11.2 497 5.6 195 82 19 44 64 Mar 4 71 38 4.9 200 7.7 333 10.8 508 4.9 200 88 20 54 65 Mar 5 73 38 5.6 206 8.5 342 11.7 519 5.6 206 91 23 53 66 Mar 6 68 41 4.1 210 7.0 349 10.3 530 4.1 210 87 22 50 67 Mar 7 65 36 2.5 213 4.9 353 7.7 537 2.5 213 92 20 63 68 Mar 8 65 37 2.5 215 4.9 358 7.7 545 2.5 215 96 29 69 69 Mar 9 67 34 3.3 218 5.6 364 8.4 553 3.3 218 93 23 60 70 Mar 10 71 39 5.0 223 7.6 372 11.0 564 5.0 223 79 15 46 71 Mar 11 78 39 7.8 231 10.8 382 14.3 579 7.8 231 63 11 35 72 Mar 12 78 37 7.6 239 10.4 393 13.9 593 7.6 239 76 13 38 73 Mar 13 71 37 5.0 244 7.7 400 10.7 603 5.0 244 74 22 43 74 Mar 14 69 39 4.3 248 7.0 407 10.3 614 4.3 248 83 24 50 75 Mar 15 70 43 5.2 253 8.2 416 12.0 626 5.2 253 83 23 52 76 Mar 16 67 35 3.4 257 5.8 421 8.6 634 3.4 257 96 22 60 77 Mar 17 69 32 3.7 260 5.9 427 8.7 643 3.7 260 86 16 47 78 Mar 18 68 38 3.9 264 6.4 434 9.6 653 3.9 264 86 31 57 79 Mar 19 73 50 7.5 272 11.3 445 16.4 669 7.5 272 81 19 52 80 Mar 20 73 37 5.6 277 8.3 453 11.4 680 5.6 277 88 19 48 81 Mar 21 76 37 7.0 284 9.9 463 13.2 694 7.0 284 80 18 43 82 Mar 22 82 39 9.6 294 12.8 476 16.1 710 9.6 294 79 14 39 83 Mar 23 78 47 9.1 303 12.7 489 17.2 727 9.1 303 68 14 36 84 Mar 24 62 39 1.8 305 4.1 493 7.2 734 1.8 305 91 23 60 85 Mar 25 61 38 1.2 306 3.3 496 6.0 740 1.2 306 96 30 68 86 Mar 26 57 40 0.3 306 2.1 498 4.8 745 0.3 306 96 41 77 87 Mar 27 67 33 3.2 310 5.5 504 8.1 753 3.2 310 100 23 72 88 Mar 28 77 40 7.6 317 10.7 514 14.0 767 7.6 317 92 17 52 89 Mar 29 83 45 11.3 328 14.7 529 19.0 786 11.3 328 92 9 40 90 Mar 30 83 43 10.6 339 14.1 543 17.8 804 10.6 339 74 9 29 91 Mar 31 71 46 5.8 345 9.1 552 13.5 817 5.8 345 91 20 53 92 Apr 1 57 44 0.2 345 2.1 554 5.3 823 0.2 345 95 49 80 93 Apr 2 70 40 4.6 350 7.3 562 10.6 833 4.6 350 99 21 64 94 Apr 3 78 39 7.8 357 10.8 573 14.2 847 7.8 357 97 14 56 95 Apr 4 82 43 10.5 368 14.0 587 17.7 865 10.5 368 91 10 48 96 Apr 5 79 46 9.5 377 13.0 600 17.6 883 9.5 377 77 12 39 97 Apr 6 62 41 1.7 379 4.0 604 7.0 890 1.7 379 92 14 48 98 Apr 7 72 31 4.9 384 7.3 611 10.1 900 4.9 384 85 12 43 99 Apr 8 73 39 5.8 390 8.6 619 12.0 912 5.8 390 79 11 39 100 Apr 9 73 45 6.9 397 10.0 629 14.2 926 6.9 397 70 17 37 101 Apr 10 82 36 9.2 406 12.2 642 15.5 941 9.2 406 82 7 37 102 Apr 11 87 38 11.6 418 15.0 657 18.4 960 11.6 418 70 7 34 103 Apr 12 87 44 12.9 430 16.2 673 20.4 980 12.9 430 54 8 23 104 Apr 13 87 43 12.7 443 16.0 689 20.2 1000 12.8 443 62 5 24 105 Apr 14 88 42 13.0 456 16.1 705 20.0 1020 13.1 456 62 5 24 106 Apr 15 74 48 7.5 464 10.9 716 15.7 1036 7.5 464 58 8 25 107 Apr 16 83 38 10.2 474 13.2 729 16.7 1053 10.2 474 76 6 31 108 Apr 17 88 40 12.5 486 16.0 745 19.6 1072 12.7 487 68 7 28 109 Apr 18 89 43 13.4 500 16.9 762 21.0 1093 13.7 500 70 8 31 110 Apr 19 94 45 15.1 515 18.7 781 23.2 1117 16.4 517 84 5 25 111 Apr 20 91 46 14.7 530 18.4 799 23.0 1140 15.5 532 59 7 19 112 Apr 21 89 45 13.7 543 17.3 816 21.4 1161 14.1 546 61 8 28 113 Apr 22 92 53 16.5 560 21.3 838 26.3 1187 17.6 564 60 11 31 114 Apr 23 93 49 15.7 575 19.6 857 24.6 1212 16.8 581 63 6 25 115 Apr 24 87 48 13.7 589 17.4 875 22.3 1234 13.8 595 68 9 28 116 Apr 25 81 46 10.4 600 13.9 889 18.3 1253 10.4 605 65 8 27 117 Apr 26 82 42 10.2 610 13.4 902 17.0 1270 10.2 615 71 11 32 118 Apr 27 71 51 6.8 617 11.0 913 16.0 1286 6.8 622 64 21 38 119 Apr 28 78 41 8.5 625 11.5 924 15.3 1301 8.5 631 79 15 38 120 Apr 29 89 42 12.8 638 16.3 941 20.3 1321 13.1 644 71 9 31 121 Apr 30 93 45 14.5 652 18.3 959 22.4 1344 15.6 659 75 8 27 122 May 1 89 50 15.2 668 19.3 978 24.3 1368 15.5 675 63 7 23 123 May 2 89 52 15.4 683 20.1 998 25.1 1393 15.8 691 56 10 22 124 May 3 90 47 14.5 697 18.1 1017 22.8 1416 15.0 706 61 8 25 125 May 4 90 49 14.9 712 18.9 1035 24.0 1440 15.5 721 63 6 25 126 May 5 90 50 15.2 728 19.2 1055 24.3 1464 15.7 737 58 6 24 127 May 6 82 53 12.5 740 17.3 1072 22.3 1486 12.5 749 48 8 24 128 May 7 87 39 12.0 752 15.5 1087 18.9 1505 12.1 761 59 5 19 129 May 8 87 50 14.2 766 18.3 1106 23.3 1529 14.3 776 49 9 17 130 May 9 85 48 12.8 779 16.8 1123 21.5 1550 12.8 788 52 8 17 131 May 10 91 44 14.3 793 17.7 1140 22.0 1572 15.1 804 57 6 18 132 May 11 88 45 13.3 807 16.7 1157 21.0 1593 13.4 817 57 7 19 133 May 12 88 46 13.6 820 17.3 1174 22.0 1615 13.8 831 65 8 22 134 May 13 94 48 15.6 836 19.7 1194 24.4 1639 17.1 848 61 6 21 135 May 14 95 53 17.4 853 22.3 1216 27.3 1667 19.1 867 63 6 21 136 May 15 92 58 19.0 872 24.0 1240 29.0 1696 20.1 887 50 9 20 137 May 16 89 56 16.9 889 21.9 1262 26.9 1723 17.2 904 67 13 31 138 May 17 94 54 17.5 907 22.5 1285 27.5 1750 19.1 923 67 8 26 139 May 18 98 50 17.1 924 21.6 1306 26.6 1777 19.3 943 59 8 20 140 May 19 96 63 22.0 946 27.0 1333 32.0 1809 24.1 967 34 5 13 141 May 20 95 50 16.3 962 20.5 1354 25.5 1834 17.9 985 54 6 23 142 May 21 93 49 15.6 978 20.0 1374 24.8 1859 17.0 1002 67 7 23 143 May 22 94 48 16.0 994 19.8 1394 24.8 1884 17.5 1019 59 4 16 144 May 23 94 48 15.6 1009 19.6 1413 24.2 1908 17.0 1036 36 3 11 145 May 24 96 50 16.4 1026 20.7 1434 25.7 1934 18.2 1054 32 3 12 146 May 25 92 56 17.7 1043 22.7 1457 27.7 1961 18.8 1073 43 6 16 147 May 26 95 49 16.3 1060 20.1 1477 25.1 1987 18.0 1091 53 6 18 148 May 27 99 50 17.0 1077 21.2 1498 26.3 2013 19.4 1111 46 5 15 149 May 28 102 52 18.3 1095 22.9 1521 27.9 2041 20.9 1131 44 4 13 150 May 29 100 54 18.6 1114 23.5 1544 28.5 2069 21.0 1152 35 3 12 151 May 30 100 52 17.8 1131 22.6 1567 27.6 2097 20.2 1173 30 4 11 152 May 31 103 51 18.3 1150 22.9 1590 27.9 2125 20.8 1193 29 3 10 153 Jun 1 103 54 19.1 1169 24.2 1614 29.2 2154 21.8 1215 27 3 10 154 Jun 2 101 58 20.6 1189 25.6 1640 30.6 2185 23.3 1239 22 3 9 155 Jun 3 100 56 19.5 1209 24.5 1664 29.5 2214 22.1 1261 24 4 11 156 Jun 4 100 59 21.0 1230 26.0 1690 31.0 2245 23.7 1284 31 8 15 157 Jun 5 108 61 22.7 1253 27.7 1718 32.7 2278 26.1 1310 35 6 15 158 Jun 6 111 67 25.5 1278 30.5 1748 35.5 2313 29.4 1340 35 6 16 159 Jun 7 109 66 25.1 1303 30.1 1778 35.1 2348 28.8 1369 34 7 16 160 Jun 8 103 72 26.6 1330 31.6 1810 36.6 2385 30.1 1399 23 5 11 161 Jun 9 95 67 23.6 1353 28.6 1839 33.6 2419 25.7 1424 31 9 15 162 Jun 10 102 55 19.5 1373 24.5 1863 29.5 2448 22.3 1447 39 7 17 163 Jun 11 107 62 23.0 1396 28.0 1891 33.0 2481 26.2 1473 37 6 15 164 Jun 12 110 64 24.1 1420 29.1 1920 34.1 2515 27.9 1501 31 4 11 165 Jun 13 110 65 24.5 1444 29.5 1950 34.5 2550 28.3 1529 30 5 12 166 Jun 14 105 71 26.8 1471 31.8 1981 36.8 2586 30.5 1560 36 3 15 167 Jun 15 108 59 21.6 1493 26.6 2008 31.6 2618 24.8 1584 40 5 14 168 Jun 16 105 64 23.9 1517 28.9 2037 33.9 2652 27.2 1612 33 6 14 169 Jun 17 105 65 24.2 1541 29.2 2066 34.2 2686 27.5 1639 28 4 13 170 Jun 18 102 64 23.2 1564 28.2 2094 33.2 2719 26.2 1665 36 6 16 171 Jun 19 106 64 23.5 1588 28.5 2123 33.5 2753 26.9 1692 39 7 18 172 Jun 20 103 78 29.1 1617 34.1 2157 39.1 2792 33.3 1726 52 19 34 173 Jun 21 99 76 28.0 1645 33.0 2190 38.0 2830 31.3 1757 80 29 45 174 Jun 22 90 72 25.1 1670 30.1 2220 35.1 2865 26.0 1783 91 41 69 175 Jun 23 100 75 27.8 1698 32.8 2253 37.8 2903 31.2 1814 81 24 47 176 Jun 24 103 75 27.9 1726 32.9 2286 37.9 2941 31.7 1846 71 18 46 177 Jun 25 104 72 26.9 1752 31.9 2318 36.9 2978 30.6 1876 76 20 45 178 Jun 26 102 77 28.6 1781 33.6 2351 38.6 3016 32.6 1909 60 20 37 179 Jun 27 105 77 28.8 1810 33.8 2385 38.8 3055 33.1 1942 67 20 41 180 Jun 28 103 72 27.0 1837 32.0 2417 37.0 3092 30.5 1973 74 16 42 181 Jun 29 100 80 29.6 1866 34.6 2452 39.6 3132 33.5 2006 54 21 37 182 Jun 30 105 76 28.6 1895 33.6 2485 38.6 3170 32.7 2039 66 20 45 183 Jul 1 100 73 26.9 1922 31.9 2517 36.9 3207 30.4 2069 77 25 53 --- ------ --- --- ---- ---- ---- ---- ---- ---- ---- ---- --- --- --- DOY Date Max Min HU CUM HU CUM HU CUM HU CUM Max Min Ave ========== ========== ========== ========== =========== 86/55 86/50 86/45 94/55 RH Safford