Tucson : 2013 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, 2013 * = Missing data. Max, Min Temps and Heat Units Estimated. Temperature and Heat Units are in Fahrenheit Units Heat Units calculated by Single Sine Method 85/55 86/50 86/45 RH ========== ========== ========== =========== DOY Date Max Min HU CUM HU CUM HU CUM Max Min Ave --- ------ --- --- ---- ---- ---- ---- ---- ---- --- --- --- 1 Jan 1 53 27 0.0 0 0.4 0 1.9 2 94 27 70 2 Jan 2 61 26 1.2 1 2.8 3 4.9 7 95 18 67 3 Jan 3 61 27 1.2 2 2.9 6 5.1 12 95 24 59 4 Jan 4 59 32 0.7 3 2.4 8 4.6 16 89 27 53 5 Jan 5 63 25 1.5 5 3.1 12 5.4 22 94 11 64 6 Jan 6 67 29 3.0 8 5.1 17 7.8 30 86 12 49 7 Jan 7 56 27 0.1 8 1.3 18 3.1 33 90 30 60 8 Jan 8 63 28 1.7 9 3.6 22 5.9 39 90 21 55 9 Jan 9 72 29 4.9 14 7.2 29 9.8 49 86 8 46 10 Jan 10 68 36 3.6 18 6.1 35 9.1 58 74 14 31 11 Jan 11 48 27 0.0 18 0.0 35 0.6 58 91 19 54 12 Jan 12 47 22 0.0 18 0.0 35 0.2 58 82 13 52 13 Jan 13 47 18 0.0 18 0.0 35 0.3 59 83 13 50 14 Jan 14 44 18 0.0 18 0.0 35 0.0 59 81 17 43 15 Jan 15 47 15 0.0 18 0.0 35 0.2 59 73 10 40 16 Jan 16 59 19 0.5 18 2.0 37 3.7 63 70 10 39 17 Jan 17 70 24 3.8 22 6.0 43 8.5 71 74 9 38 18 Jan 18 76 29 6.4 29 9.0 52 11.7 83 75 8 38 19 Jan 19 75 28 5.7 34 8.2 60 11.1 94 76 9 43 20 Jan 20 77 32 6.7 41 9.3 69 12.2 106 75 15 42 21 Jan 21 80 36 8.4 49 11.4 81 14.6 121 75 16 42 22 Jan 22 81 37 8.9 58 12.0 93 15.3 136 78 12 44 23 Jan 23 81 38 9.2 67 12.1 105 15.6 152 74 15 42 24 Jan 24 64 49 3.3 71 6.7 111 11.5 163 92 36 61 25 Jan 25 78 48 9.5 80 13.3 125 18.1 181 91 28 61 26 Jan 26 70 54 7.1 87 11.9 137 16.9 198 96 44 76 27 Jan 27 67 47 4.4 92 7.6 144 12.1 210 98 46 76 28 Jan 28 58 43 0.6 92 2.6 147 5.9 216 90 46 66 29 Jan 29 53 34 0.0 92 0.5 147 2.2 218 83 24 53 30 Jan 30 58 29 0.5 93 1.8 149 3.9 222 91 19 57 31 Jan 31 61 28 1.0 94 2.7 152 4.8 227 92 25 64 32 Feb 1 72 29 4.7 98 7.1 159 9.7 237 95 14 58 33 Feb 2 75 32 6.2 105 8.9 168 12.0 249 91 12 54 34 Feb 3 73 48 7.0 112 10.5 178 15.2 264 75 19 48 35 Feb 4 70 42 5.0 117 7.8 186 11.4 275 89 29 58 36 Feb 5 74 38 6.2 123 9.0 195 12.3 288 93 24 61 37 Feb 6 72 43 5.9 129 8.9 204 12.6 300 86 25 57 38 Feb 7 71 38 4.9 134 7.6 212 10.7 311 89 21 55 39 Feb 8 70 44 5.1 139 8.3 220 12.1 323 64 11 36 40 Feb 9 53 35 0.0 139 0.6 221 2.5 325 92 29 57 41 Feb 10 57 29 0.3 139 1.6 222 3.7 329 90 21 56 42 Feb 11 53 28 0.0 139 0.5 223 2.0 331 95 33 75 43 Feb 12 53 28 0.0 139 0.4 223 1.9 333 97 39 71 44 Feb 13 61 27 1.0 140 2.7 226 4.9 338 94 15 59 45 Feb 14 65 29 2.5 143 4.4 230 7.0 345 90 20 53 46 Feb 15 71 35 4.9 147 7.5 238 10.6 356 85 14 50 47 Feb 16 76 29 6.2 154 8.8 247 11.4 367 80 6 35 48 Feb 17 74 36 6.1 160 8.8 256 12.0 379 55 6 26 49 Feb 18 70 33 4.3 164 6.9 262 9.7 389 68 9 35 50 Feb 19 72 41 5.6 170 8.5 271 11.9 401 52 8 26 51 Feb 20 53 33 0.0 170 0.5 271 2.2 403 98 41 74 52 Feb 21 53 33 0.0 170 0.6 272 2.4 405 97 40 71 53 Feb 22 56 34 0.1 170 1.5 273 3.7 409 96 35 65 54 Feb 23 64 29 2.1 172 4.1 277 6.7 415 94 17 60 55 Feb 24 52 32 0.0 172 0.3 278 1.8 417 89 13 49 56 Feb 25 58 26 0.4 172 1.9 280 3.7 421 79 19 44 57 Feb 26 63 26 1.7 174 3.4 283 5.7 427 89 14 46 58 Feb 27 65 28 2.3 176 4.3 287 6.6 433 82 8 36 59 Feb 28 67 27 2.9 179 5.0 292 7.4 441 74 10 35 60 Mar 1 75 30 6.0 185 8.5 301 11.3 452 70 10 36 61 Mar 2 83 34 9.3 195 12.4 313 15.6 468 80 6 38 62 Mar 3 80 42 9.3 204 12.5 326 16.2 484 66 9 30 63 Mar 4 73 47 6.8 211 10.2 336 14.7 499 71 12 30 64 Mar 5 80 39 8.9 220 11.9 348 15.3 514 77 12 39 65 Mar 6 80 50 11.3 231 15.4 363 20.4 534 61 13 33 66 Mar 7 80 46 10.0 241 13.6 377 18.0 552 61 8 31 67 Mar 8 69 43 4.5 245 7.4 384 11.1 563 78 30 46 68 Mar 9 53 42 0.0 245 0.7 385 3.2 566 89 50 64 69 Mar 10 66 43 3.5 249 6.3 391 9.9 576 82 21 51 70 Mar 11 72 36 5.2 254 7.9 399 11.0 587 83 18 47 71 Mar 12 81 38 9.2 263 12.1 411 15.6 603 78 12 43 72 Mar 13 88 42 12.6 276 16.0 427 19.9 623 75 8 35 73 Mar 14 92 43 14.2 290 17.7 445 21.7 645 64 5 29 74 Mar 15 93 47 15.4 306 19.0 464 23.8 668 55 4 24 75 Mar 16 89 47 14.2 320 18.1 482 22.7 691 53 5 22 76 Mar 17 84 51 13.1 333 17.6 499 22.6 714 59 8 21 77 Mar 18 82 48 11.6 345 15.3 515 20.1 734 54 9 27 78 Mar 19 80 50 10.8 355 15.0 530 19.9 754 58 14 29 79 Mar 20 82 47 11.4 367 15.1 545 19.8 774 59 12 31 80 Mar 21 78 53 10.4 377 15.1 560 20.1 794 54 18 31 81 Mar 22 81 49 10.8 388 14.8 575 19.7 813 59 13 29 82 Mar 23 75 46 7.9 396 11.3 586 15.7 829 50 5 25 83 Mar 24 75 38 6.7 403 9.7 596 13.0 842 48 4 19 84 Mar 25 80 39 8.9 411 12.2 608 15.6 858 43 8 19 85 Mar 26 86 48 13.3 425 17.2 625 22.1 880 42 5 17 86 Mar 27 84 49 12.8 438 16.7 642 21.8 902 50 8 17 87 Mar 28 84 49 12.8 450 16.8 659 21.9 923 40 8 18 88 Mar 29 86 50 13.7 464 17.6 676 22.7 946 56 6 20 89 Mar 30 83 55 13.8 478 18.7 695 23.7 970 50 8 20 90 Mar 31 85 47 12.8 491 16.5 711 21.1 991 51 10 25 91 Apr 1 82 47 11.3 502 15.3 727 19.9 1011 49 14 25 92 Apr 2 77 45 8.7 511 11.9 739 16.3 1027 53 8 23 93 Apr 3 82 46 10.7 521 14.3 753 18.9 1046 51 11 25 94 Apr 4 89 48 14.3 536 18.2 771 23.0 1069 52 5 23 95 Apr 5 87 53 15.1 551 19.9 791 24.9 1094 47 10 22 96 Apr 6 85 53 14.1 565 18.9 810 23.9 1118 45 11 24 97 Apr 7 86 52 14.3 579 18.8 829 23.8 1142 59 10 28 98 Apr 8 83 47 11.9 591 15.4 844 20.2 1162 92 12 31 99 Apr 9 67 48 4.4 595 7.7 852 12.4 1174 93 18 48 100 Apr 10 67 41 3.7 599 6.4 858 9.8 1184 83 17 42 101 Apr 11 79 43 8.9 608 12.2 870 16.1 1200 68 11 36 102 Apr 12 80 47 9.9 618 13.7 884 18.2 1218 61 12 31 103 Apr 13 84 45 12.0 630 15.4 900 19.7 1238 67 9 27 104 Apr 14 85 53 14.0 644 18.9 918 23.9 1262 45 9 24 105 Apr 15 86 62 19.3 663 24.3 943 29.3 1291 42 9 22 106 Apr 16 85 62 18.3 682 23.3 966 28.3 1320 52 10 23 107 Apr 17 68 48 4.7 686 8.1 974 12.8 1332 50 11 27 108 Apr 18 71 40 5.4 692 8.2 982 11.6 1344 67 8 20 109 Apr 19 81 36 8.7 700 11.9 994 15.1 1359 52 3 19 110 Apr 20 84 39 10.7 711 13.8 1008 17.3 1376 61 7 20 111 Apr 21 89 46 13.9 725 17.7 1026 22.1 1399 64 5 19 112 Apr 22 92 49 15.2 740 19.4 1045 24.3 1423 47 4 19 113 Apr 23 88 55 16.3 757 21.1 1066 26.1 1449 52 6 16 114 Apr 24 90 58 18.4 775 23.4 1090 28.4 1477 33 6 17 115 Apr 25 83 57 15.4 790 20.4 1110 25.4 1503 57 6 19 116 Apr 26 86 45 12.8 803 16.3 1126 20.7 1523 57 9 24 117 Apr 27 89 49 14.7 818 19.0 1145 23.9 1547 70 8 22 118 Apr 28 93 51 16.5 834 20.9 1166 25.9 1573 50 5 17 119 Apr 29 96 53 17.7 852 22.6 1189 27.6 1601 35 4 14 120 Apr 30 95 55 18.5 871 23.5 1212 28.5 1629 55 5 15 121 May 1 90 58 18.5 889 23.5 1236 28.5 1658 43 5 17 122 May 2 91 53 16.0 905 20.8 1257 25.8 1684 60 6 16 123 May 3 87 59 18.1 923 23.1 1280 28.1 1712 45 5 13 124 May 4 91 55 17.4 941 22.4 1302 27.4 1739 64 5 16 125 May 5 89 64 20.8 961 25.8 1328 30.8 1770 48 8 17 126 May 6 85 60 17.3 979 22.3 1350 27.3 1797 70 13 36 127 May 7 83 55 14.3 993 19.3 1370 24.3 1822 67 9 31 128 May 8 82 54 12.8 1006 17.9 1388 22.9 1845 58 18 34 129 May 9 83 58 15.3 1021 20.3 1408 25.3 1870 79 9 29 130 May 10 87 53 15.2 1036 20.0 1428 25.0 1895 52 11 28 131 May 11 87 54 15.7 1052 20.6 1449 25.6 1920 70 11 28 132 May 12 91 62 20.5 1073 25.5 1474 30.5 1951 55 10 20 133 May 13 94 61 21.0 1094 26.0 1500 31.0 1982 34 6 16 134 May 14 96 66 23.6 1117 28.6 1529 33.6 2016 41 8 17 135 May 15 96 63 22.0 1139 27.0 1556 32.0 2048 42 9 19 136 May 16 96 61 21.2 1160 26.2 1582 31.2 2079 58 6 18 137 May 17 94 62 21.4 1182 26.4 1608 31.4 2110 39 6 17 138 May 18 90 60 19.2 1201 24.2 1632 29.2 2139 59 8 20 139 May 19 90 58 18.6 1219 23.6 1656 28.6 2168 57 10 27 140 May 20 91 58 18.8 1238 23.8 1680 28.8 2197 47 8 20 141 May 21 94 55 18.0 1256 22.8 1703 27.8 2225 55 4 16 --- ------ --- --- ---- ---- ---- ---- ---- ---- --- --- --- DOY Date Max Min HU CUM HU CUM HU CUM Max Min Ave ========== ========== ========== =========== 85/55 86/50 86/45 RH Tucson