Tucson : November 1 2023 - March 31 2024 : 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 2023 to March 31 2024 * = 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 --- ------ --- --- ---- ---- ---- ---- ---- ---- 305 Nov 1 82 50 0 0 0 0 9 9 306 Nov 2 85 42 0 0 3 3 10 19 307 Nov 3 87 42 0 0 2 5 10 29 308 Nov 4 90 42 0 0 3 8 10 39 309 Nov 5 95 47 0 0 0 8 11 50 310 Nov 6 92 51 0 0 0 8 10 60 311 Nov 7 91 50 0 0 0 8 11 71 312 Nov 8 79 44 0 0 1 9 8 79 313 Nov 9 73 40 0 0 5 14 6 85 314 Nov 10 73 36 0 0 7 21 5 90 315 Nov 11 77 38 0 0 8 29 8 98 316 Nov 12 81 57 0 0 0 29 14 112 317 Nov 13 82 61 0 0 0 29 14 126 318 Nov 14 84 58 0 0 0 29 12 138 319 Nov 15 86 53 0 0 0 29 11 149 320 Nov 16 82 58 0 0 0 29 8 157 321 Nov 17 81 61 0 0 0 29 13 170 322 Nov 18 78 55 0 0 0 29 4 174 323 Nov 19 71 50 0 0 0 29 5 179 324 Nov 20 68 42 0 0 2 31 0 179 325 Nov 21 72 42 0 0 3 34 6 185 326 Nov 22 76 41 0 0 3 37 7 192 327 Nov 23 76 40 0 0 5 42 7 199 328 Nov 24 74 44 0 0 0 42 7 206 329 Nov 25 64 42 0 0 1 43 0 206 330 Nov 26 68 36 0 0 9 52 0 206 331 Nov 27 73 41 0 0 7 59 5 211 332 Nov 28 79 43 0 0 6 65 7 218 333 Nov 29 72 40 0 0 5 70 5 223 334 Nov 30 62 45 0 0 0 70 0 223 335 Dec 1 58 42 0 0 0 70 0 223 336 Dec 2 62 36 0 0 12 82 0 223 337 Dec 3 68 32 0 0 12 94 0 223 338 Dec 4 70 34 0 0 10 104 2 225 339 Dec 5 82 36 0 0 8 112 6 231 340 Dec 6 85 37 0 0 8 120 7 238 341 Dec 7 77 37 0 0 5 125 7 245 342 Dec 8 70 36 0 0 11 136 3 248 343 Dec 9 66 31 1 1 13 149 0 248 344 Dec 10 73 32 0 1 9 158 5 253 345 Dec 11 77 28 6 7 12 170 5 258 346 Dec 12 79 39 0 7 8 178 6 264 347 Dec 13 71 34 0 7 10 188 4 268 348 Dec 14 66 30 4 11 12 200 0 268 349 Dec 15 74 29 4 15 9 209 4 272 350 Dec 16 77 39 0 15 3 212 8 280 351 Dec 17 85 33 0 15 8 220 7 287 352 Dec 18 81 37 0 15 7 227 7 294 353 Dec 19 75 47 0 15 0 227 4 298 354 Dec 20 77 45 0 15 0 227 5 303 355 Dec 21 78 38 0 15 6 233 7 310 356 Dec 22 55 46 0 15 0 233 0 310 357 Dec 23 55 44 0 15 0 233 0 310 358 Dec 24 60 37 0 15 11 244 0 310 359 Dec 25 62 34 0 15 11 255 0 310 360 Dec 26 61 32 0 15 13 268 0 310 361 Dec 27 62 30 4 19 15 283 0 310 362 Dec 28 68 30 2 21 12 295 0 310 363 Dec 29 71 29 4 25 9 304 4 314 364 Dec 30 75 37 0 25 9 313 6 320 365 Dec 31 64 33 0 25 12 325 0 320 1 Jan 1 68 31 1 26 9 334 0 320 2 Jan 2 62 39 0 26 7 341 0 320 3 Jan 3 67 32 0 26 9 350 0 320 4 Jan 4 52 33 0 26 12 362 0 320 5 Jan 5 57 32 0 26 11 373 0 320 6 Jan 6 59 30 4 30 15 388 0 320 7 Jan 7 57 32 0 30 17 405 0 320 8 Jan 8 46 23 6 36 21 426 0 320 9 Jan 9 54 22 10 46 16 442 0 320 10 Jan 10 62 24 7 53 14 456 0 320 11 Jan 11 54 28 1 54 14 470 0 320 12 Jan 12 59 23 9 63 15 485 0 320 13 Jan 13 68 25 7 70 13 498 0 320 14 Jan 14 69 31 1 71 10 508 0 320 15 Jan 15 68 29 3 74 11 519 0 320 16 Jan 16 70 29 4 78 12 531 2 322 17 Jan 17 74 33 0 78 10 541 5 327 18 Jan 18 76 35 0 78 9 550 7 334 19 Jan 19 78 35 0 78 8 558 7 341 20 Jan 20 74 40 0 78 6 564 5 346 21 Jan 21 58 50 0 78 0 564 0 346 22 Jan 22 61 47 0 78 0 564 0 346 23 Jan 23 59 47 0 78 0 564 0 346 24 Jan 24 60 44 0 78 0 564 0 346 25 Jan 25 65 41 0 78 8 572 0 346 26 Jan 26 63 44 0 78 2 574 0 346 27 Jan 27 70 36 0 78 9 583 4 350 28 Jan 28 76 40 0 78 4 587 7 357 29 Jan 29 82 39 0 78 8 595 7 364 30 Jan 30 81 40 0 78 6 601 6 370 31 Jan 31 79 41 0 78 5 606 7 377 32 Feb 1 79 50 0 78 0 606 10 387 33 Feb 2 58 46 0 78 0 606 0 387 34 Feb 3 60 39 0 78 9 615 0 387 35 Feb 4 75 38 0 78 9 624 4 391 36 Feb 5 76 39 0 78 6 630 7 398 37 Feb 6 71 51 0 78 0 630 1 399 38 Feb 7 56 42 0 78 4 634 0 399 39 Feb 8 60 38 0 78 11 645 0 399 40 Feb 9 60 35 0 78 9 654 0 399 41 Feb 10 51 39 0 78 15 669 0 399 42 Feb 11 56 36 0 78 11 680 0 399 43 Feb 12 69 32 0 78 10 690 0 399 44 Feb 13 75 36 0 78 9 699 5 404 45 Feb 14 71 36 0 78 9 708 3 407 46 Feb 15 77 36 0 78 8 716 6 413 47 Feb 16 73 38 0 78 8 724 5 418 48 Feb 17 75 39 0 78 7 731 5 423 49 Feb 18 77 42 0 78 4 735 7 430 50 Feb 19 82 43 0 78 2 737 7 437 51 Feb 20 85 39 0 78 5 742 9 446 52 Feb 21 71 46 0 78 0 742 6 452 53 Feb 22 70 43 0 78 3 745 3 455 54 Feb 23 74 43 0 78 3 748 6 461 55 Feb 24 82 41 0 78 4 752 9 470 56 Feb 25 89 48 0 78 0 752 12 482 57 Feb 26 74 62 0 78 0 752 9 491 58 Feb 27 75 56 0 78 0 752 7 498 59 Feb 28 72 46 0 78 0 752 1 499 60 Feb 29 71 44 0 78 2 754 4 503 61 Mar 1 81 43 0 78 2 756 8 511 62 Mar 2 77 44 0 78 0 756 8 519 63 Mar 3 73 44 0 78 1 757 6 525 64 Mar 4 73 44 0 78 3 760 6 531 65 Mar 5 78 46 0 78 0 760 7 538 66 Mar 6 71 48 0 78 0 760 3 541 67 Mar 7 66 42 0 78 3 763 0 541 68 Mar 8 65 47 0 78 0 763 0 541 69 Mar 9 73 40 0 78 5 768 4 545 70 Mar 10 78 41 0 78 5 773 9 554 71 Mar 11 79 44 0 78 0 773 9 563 72 Mar 12 79 43 0 78 2 775 8 571 73 Mar 13 73 46 0 78 0 775 7 578 74 Mar 14 75 45 0 78 0 775 6 584 75 Mar 15 67 49 0 78 0 775 0 584 76 Mar 16 69 41 0 78 3 778 0 584 77 Mar 17 70 40 0 78 5 783 0 584 78 Mar 18 78 40 0 78 5 788 7 591 79 Mar 19 75 44 0 78 1 789 7 598 80 Mar 20 75 46 0 78 0 789 8 606 81 Mar 21 77 48 0 78 0 789 10 616 82 Mar 22 84 46 0 78 0 789 11 627 83 Mar 23 78 56 0 78 0 789 11 638 84 Mar 24 63 46 0 78 0 789 0 638 85 Mar 25 63 43 0 78 5 794 0 638 86 Mar 26 66 46 0 78 0 794 0 638 87 Mar 27 73 41 0 78 6 800 6 644 88 Mar 28 81 42 0 78 4 804 10 654 89 Mar 29 82 52 0 78 0 804 13 667 90 Mar 30 82 54 0 78 0 804 14 681 91 Mar 31 65 48 0 78 0 804 0 681 --- ------ --- --- ---- ---- ---- ---- ---- ---- DOY Date Max Min Hrs Acc Hrs Acc Hrs Acc ========== ========== ========== Below 32 Below 45 Above 68 Tucson : November 1 2023 - March 31 2024 : Chill Hours