Tucson : November 1 2024 - March 31 2025 : Chill Hours DOY = Day Of Year (1 to 365) Max = Maximum Air Temperature Min = Minimum Air Temperature Hrs = Chill Hours for Day Acc = Accumulated Chill Hours : From November 1 2024 to March 31 2025 * = Missing data: Max, Min Temps and Chill Hours Estimated. 999 = Missing data Chill Hours based on available hours Below 32 Below 45 Above 68 ========== ========== ========== DOY Date Max Min Hrs Acc Hrs Acc Hrs Acc --- ------ --- --- ---- ---- ---- ---- ---- ---- 306 Nov 1 84 44 0 0 3 3 9 9 307 Nov 2 80 45 0 0 0 3 10 19 308 Nov 3 65 49 0 0 0 3 0 19 309 Nov 4 63 42 0 0 3 6 0 19 310 Nov 5 75 38 0 0 8 14 4 23 311 Nov 6 67 40 0 0 8 22 0 23 312 Nov 7 58 34 0 0 12 34 0 23 313 Nov 8 67 32 0 0 12 46 0 23 314 Nov 9 75 34 0 0 8 54 5 28 315 Nov 10 91 38 0 0 8 62 9 37 316 Nov 11 87 42 0 0 4 66 7 44 317 Nov 12 74 40 0 0 5 71 6 50 318 Nov 13 84 33 0 0 8 79 7 57 319 Nov 14 93 38 0 0 8 87 9 66 320 Nov 15 80 43 0 0 0 87 9 75 321 Nov 16 68 37 0 0 7 94 0 75 322 Nov 17 61 36 0 0 9 103 0 75 323 Nov 18 69 36 0 0 11 114 0 75 324 Nov 19 69 33 0 0 11 125 0 75 325 Nov 20 78 33 0 0 10 135 5 80 326 Nov 21 88 32 0 0 9 144 8 88 327 Nov 22 86 37 0 0 8 152 8 96 328 Nov 23 88 38 0 0 8 160 8 104 329 Nov 24 83 44 0 0 2 162 7 111 330 Nov 25 81 44 0 0 1 163 8 119 331 Nov 26 82 44 0 0 2 165 8 127 332 Nov 27 76 54 0 0 0 165 7 134 333 Nov 28 73 47 0 0 0 165 6 140 334 Nov 29 73 41 0 0 6 171 4 144 335 Nov 30 80 45 0 0 1 172 7 151 336 Dec 1 82 41 0 0 6 178 8 159 337 Dec 2 83 40 0 0 6 184 8 167 338 Dec 3 84 41 0 0 5 189 9 176 339 Dec 4 77 40 0 0 7 196 6 182 340 Dec 5 77 39 0 0 5 201 6 188 341 Dec 6 72 44 0 0 0 201 6 194 342 Dec 7 76 42 0 0 5 206 6 200 343 Dec 8 77 38 0 0 8 214 5 205 344 Dec 9 73 38 0 0 7 221 6 211 345 Dec 10 67 33 0 0 11 232 0 211 346 Dec 11 70 28 6 6 12 244 2 213 347 Dec 12 79 45 0 6 0 244 7 220 348 Dec 13 73 43 0 6 6 250 5 225 349 Dec 14 75 33 0 6 9 259 5 230 350 Dec 15 75 38 0 6 10 269 6 236 351 Dec 16 83 32 0 6 10 279 5 241 352 Dec 17 82 35 0 6 10 289 5 246 353 Dec 18 84 35 0 6 10 299 7 253 354 Dec 19 86 36 0 6 8 307 8 261 355 Dec 20 90 36 0 6 9 316 8 269 356 Dec 21 86 34 0 6 9 325 7 276 357 Dec 22 82 34 0 6 9 334 7 283 358 Dec 23 80 45 0 6 0 334 7 290 359 Dec 24 85 38 0 6 6 340 7 297 360 Dec 25 70 41 0 6 4 344 1 298 361 Dec 26 65 35 0 6 12 356 0 298 362 Dec 27 73 34 0 6 11 367 5 303 363 Dec 28 73 34 0 6 10 377 3 306 364 Dec 29 83 36 0 6 8 385 7 313 365 Dec 30 77 36 0 6 10 395 6 319 366 Dec 31 74 35 0 6 11 406 6 325 1 Jan 1 76 32 0 6 12 418 5 330 2 Jan 2 77 32 0 6 11 429 6 336 3 Jan 3 87 35 0 6 9 438 8 344 4 Jan 4 77 40 0 6 2 440 6 350 5 Jan 5 69 35 0 6 12 452 0 350 6 Jan 6 72 32 0 6 11 463 3 353 7 Jan 7 72 39 0 6 9 472 3 356 8 Jan 8 59 39 0 6 4 476 0 356 9 Jan 9 55 31 1 7 12 488 0 356 10 Jan 10 60 30 1 8 15 503 0 356 11 Jan 11 61 28 6 14 13 516 0 356 12 Jan 12 62 25 6 20 14 530 0 356 13 Jan 13 61 25 8 28 14 544 0 356 14 Jan 14 62 23 9 37 14 558 0 356 15 Jan 15 75 26 8 45 9 567 5 361 16 Jan 16 75 37 0 45 8 575 6 367 17 Jan 17 65 38 0 45 7 582 0 367 18 Jan 18 64 31 0 45 13 595 0 367 19 Jan 19 67 28 5 50 14 609 0 367 20 Jan 20 63 28 6 56 11 620 0 367 21 Jan 21 63 29 2 58 14 634 0 367 22 Jan 22 62 23 8 66 14 648 0 367 23 Jan 23 69 23 7 73 10 658 0 367 24 Jan 24 73 32 0 73 8 666 4 371 25 Jan 25 76 41 0 73 9 675 6 377 26 Jan 26 74 42 0 73 6 681 6 383 27 Jan 27 63 33 0 73 11 692 0 383 28 Jan 28 60 37 0 73 14 706 0 383 29 Jan 29 54 33 0 73 17 723 0 383 30 Jan 30 58 33 0 73 14 737 0 383 31 Jan 31 68 30 4 77 12 749 0 383 32 Feb 1 76 33 0 77 9 758 6 389 33 Feb 2 80 37 0 77 7 765 8 397 34 Feb 3 89 41 0 77 6 771 9 406 35 Feb 4 88 44 0 77 0 771 9 415 36 Feb 5 84 38 0 77 5 776 9 424 37 Feb 6 86 38 0 77 5 781 9 433 38 Feb 7 80 38 0 77 6 787 8 441 39 Feb 8 79 39 0 77 6 793 8 449 40 Feb 9 82 41 0 77 4 797 8 457 41 Feb 10 78 50 0 77 0 797 8 465 42 Feb 11 73 50 0 77 0 797 5 470 43 Feb 12 64 45 0 77 0 797 0 470 44 Feb 13 78 40 0 77 7 804 5 475 45 Feb 14 75 52 0 77 0 804 7 482 46 Feb 15 66 41 0 77 4 808 0 482 47 Feb 16 78 36 0 77 8 816 7 489 48 Feb 17 80 41 0 77 4 820 8 497 49 Feb 18 76 45 0 77 0 820 8 505 50 Feb 19 80 38 0 77 6 826 8 513 51 Feb 20 77 41 0 77 6 832 8 521 52 Feb 21 80 41 0 77 6 838 7 528 53 Feb 22 75 38 0 77 6 844 6 534 54 Feb 23 79 36 0 77 8 852 8 542 55 Feb 24 84 39 0 77 6 858 10 552 56 Feb 25 86 42 0 77 3 861 10 562 57 Feb 26 86 45 0 77 0 861 10 572 58 Feb 27 82 42 0 77 2 863 9 581 59 Feb 28 80 39 0 77 7 870 8 589 60 Mar 1 84 44 0 77 0 870 7 596 61 Mar 2 79 45 0 77 0 870 8 604 62 Mar 3 64 45 0 77 0 870 0 604 63 Mar 4 68 37 0 77 6 876 0 604 64 Mar 5 81 38 0 77 7 883 8 612 65 Mar 6 71 53 0 77 0 883 4 616 66 Mar 7 56 43 0 77 2 885 0 616 67 Mar 8 64 44 0 77 5 890 0 616 68 Mar 9 81 36 0 77 7 897 7 623 69 Mar 10 86 42 0 77 2 899 11 634 70 Mar 11 78 46 0 77 0 899 9 643 71 Mar 12 77 51 0 77 0 899 5 648 72 Mar 13 75 46 0 77 0 899 5 653 73 Mar 14 55 41 0 77 6 905 0 653 74 Mar 15 62 45 0 77 0 905 0 653 75 Mar 16 78 38 0 77 7 912 7 660 76 Mar 17 88 44 0 77 1 913 10 670 77 Mar 18 66 46 0 77 0 913 0 670 78 Mar 19 72 37 0 77 8 921 5 675 79 Mar 20 84 35 0 77 7 928 10 685 80 Mar 21 83 41 0 77 3 931 10 695 81 Mar 22 86 44 0 77 0 931 12 707 82 Mar 23 86 48 0 77 0 931 12 719 83 Mar 24 91 49 0 77 0 931 13 732 84 Mar 25 99 51 0 77 0 931 16 748 85 Mar 26 93 64 0 77 0 931 19 767 86 Mar 27 90 55 0 77 0 931 14 781 87 Mar 28 87 54 0 77 0 931 15 796 88 Mar 29 81 55 0 77 0 931 13 809 89 Mar 30 80 46 0 77 0 931 10 819 90 Mar 31 81 50 0 77 0 931 13 832 --- ------ --- --- ---- ---- ---- ---- ---- ---- DOY Date Max Min Hrs Acc Hrs Acc Hrs Acc ========== ========== ========== Below 32 Below 45 Above 68 Tucson : November 1 2024 - March 31 2025 : Chill Hours