Tucson : 2017 - 2018 : 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 Nov 1 2017 to March 31 2018 * = 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 83 53 0 0 0 0 10 10 306 Nov 2 82 50 0 0 0 0 10 20 307 Nov 3 84 52 0 0 0 0 12 32 308 Nov 4 82 63 0 0 0 0 13 45 309 Nov 5 80 53 0 0 0 0 10 55 310 Nov 6 82 47 0 0 0 0 8 63 311 Nov 7 79 57 0 0 0 0 12 75 312 Nov 8 78 52 0 0 0 0 8 83 313 Nov 9 85 52 0 0 0 0 10 93 314 Nov 10 85 46 0 0 0 0 9 102 315 Nov 11 84 49 0 0 0 0 9 111 316 Nov 12 89 44 0 0 0 0 9 120 317 Nov 13 85 50 0 0 0 0 9 129 318 Nov 14 88 46 0 0 0 0 9 138 319 Nov 15 87 43 0 0 1 1 10 148 320 Nov 16 89 43 0 0 2 3 9 157 321 Nov 17 83 44 0 0 1 4 10 167 322 Nov 18 77 47 0 0 0 4 7 174 323 Nov 19 81 39 0 0 5 9 8 182 324 Nov 20 79 38 0 0 8 17 7 189 325 Nov 21 76 40 0 0 6 23 7 196 326 Nov 22 85 40 0 0 5 28 9 205 327 Nov 23 87 40 0 0 6 34 8 213 328 Nov 24 86 42 0 0 4 38 9 222 329 Nov 25 86 42 0 0 3 41 8 230 330 Nov 26 94 41 0 0 4 45 9 239 331 Nov 27 92 42 0 0 2 47 9 248 332 Nov 28 77 42 0 0 2 49 7 255 333 Nov 29 79 43 0 0 2 51 9 264 334 Nov 30 75 56 0 0 0 51 5 269 335 Dec 1 76 55 0 0 0 51 7 276 336 Dec 2 77 53 0 0 0 51 8 284 337 Dec 3 77 46 0 0 0 51 8 292 338 Dec 4 73 45 0 0 0 51 6 298 339 Dec 5 64 47 0 0 0 51 0 298 340 Dec 6 71 42 0 0 4 55 4 302 341 Dec 7 63 34 0 0 11 66 0 302 342 Dec 8 63 26 7 7 14 80 0 302 343 Dec 9 74 28 4 11 9 89 5 307 344 Dec 10 75 51 0 11 0 89 8 315 345 Dec 11 74 46 0 11 0 89 6 321 346 Dec 12 70 37 0 11 5 94 4 325 347 Dec 13 76 38 0 11 4 98 7 332 348 Dec 14 69 38 0 11 11 109 2 334 349 Dec 15 72 34 0 11 11 120 2 336 350 Dec 16 69 33 0 11 9 129 0 336 351 Dec 17 57 43 0 11 2 131 0 336 352 Dec 18 63 43 0 11 5 136 0 336 353 Dec 19 65 37 0 11 13 149 0 336 354 Dec 20 71 34 0 11 9 158 2 338 355 Dec 21 58 31 0 11 6 164 0 338 356 Dec 22 55 23 9 20 16 180 0 338 357 Dec 23 63 26 8 28 15 195 0 338 358 Dec 24 74 28 4 32 13 208 4 342 359 Dec 25 75 32 0 32 13 221 5 347 360 Dec 26 75 28 5 37 9 230 4 351 361 Dec 27 73 38 0 37 12 242 4 355 362 Dec 28 78 31 2 39 11 253 6 361 363 Dec 29 83 30 1 40 10 263 7 368 364 Dec 30 83 32 0 40 10 273 7 375 365 Dec 31 76 35 0 40 9 282 5 380 1 Jan 1 78 35 0 40 9 291 7 387 2 Jan 2 75 39 0 40 7 298 5 392 3 Jan 3 74 36 0 40 7 305 8 400 4 Jan 4 76 45 0 40 0 305 7 407 5 Jan 5 78 36 0 40 7 312 7 414 6 Jan 6 77 37 0 40 6 318 6 420 7 Jan 7 75 46 0 40 0 318 7 427 8 Jan 8 79 44 0 40 2 320 7 434 9 Jan 9 75 53 0 40 0 320 8 442 10 Jan 10 63 48 0 40 0 320 0 442 11 Jan 11 67 38 0 40 9 329 0 442 12 Jan 12 70 34 0 40 11 340 0 442 13 Jan 13 80 34 0 40 11 351 7 449 14 Jan 14 84 33 0 40 10 361 6 455 15 Jan 15 75 34 0 40 11 372 6 461 16 Jan 16 71 42 0 40 5 377 3 464 17 Jan 17 71 39 0 40 6 383 2 466 18 Jan 18 74 31 0 40 11 394 5 471 19 Jan 19 78 36 0 40 8 402 6 477 20 Jan 20 67 42 0 40 5 407 0 477 21 Jan 21 52 30 3 43 15 422 0 477 22 Jan 22 58 25 8 51 15 437 0 477 23 Jan 23 64 23 8 59 15 452 0 477 24 Jan 24 74 31 0 59 6 458 6 483 25 Jan 25 76 34 0 59 7 465 6 489 26 Jan 26 67 32 0 59 11 476 0 489 27 Jan 27 71 28 4 63 12 488 2 491 28 Jan 28 78 29 3 66 10 498 6 497 29 Jan 29 81 41 0 66 1 499 11 508 30 Jan 30 80 43 0 66 1 500 7 515 31 Jan 31 80 32 0 66 9 509 7 522 32 Feb 1 81 34 0 66 8 517 8 530 33 Feb 2 80 36 0 66 7 524 8 538 34 Feb 3 76 41 0 66 2 526 7 545 35 Feb 4 78 36 0 66 7 533 8 553 36 Feb 5 79 38 0 66 6 539 8 561 37 Feb 6 78 39 0 66 6 545 8 569 38 Feb 7 77 35 0 66 6 551 6 575 39 Feb 8 83 33 0 66 8 559 8 583 40 Feb 9 81 36 0 66 8 567 8 591 41 Feb 10 80 42 0 66 6 573 8 599 42 Feb 11 75 41 0 66 3 576 9 608 43 Feb 12 72 44 0 66 0 576 4 612 44 Feb 13 73 46 0 66 0 576 5 617 45 Feb 14 65 50 0 66 0 576 0 617 46 Feb 15 57 51 0 66 0 576 0 617 47 Feb 16 61 54 0 66 0 576 0 617 48 Feb 17 72 51 0 66 0 576 3 620 49 Feb 18 70 47 0 66 0 576 2 622 50 Feb 19 67 46 0 66 0 576 0 622 51 Feb 20 54 36 0 66 12 588 0 622 52 Feb 21 61 32 0 66 9 597 0 622 53 Feb 22 58 31 0 66 11 608 0 622 54 Feb 23 64 30 2 68 9 617 0 622 55 Feb 24 56 31 0 68 13 630 0 622 56 Feb 25 62 28 6 74 12 642 0 622 57 Feb 26 74 28 4 78 11 653 5 627 58 Feb 27 71 33 0 78 8 661 3 630 59 Feb 28 55 37 0 78 11 672 0 630 60 Mar 1 71 29 3 81 10 682 3 633 61 Mar 2 80 35 0 81 8 690 8 641 62 Mar 3 77 38 0 81 6 696 8 649 63 Mar 4 68 39 0 81 4 700 0 649 64 Mar 5 68 37 0 81 7 707 0 649 65 Mar 6 77 37 0 81 8 715 7 656 66 Mar 7 80 37 0 81 7 722 10 666 67 Mar 8 78 46 0 81 0 722 8 674 68 Mar 9 79 44 0 81 1 723 9 683 69 Mar 10 75 47 0 81 0 723 6 689 70 Mar 11 75 54 0 81 0 723 8 697 71 Mar 12 80 48 0 81 0 723 10 707 72 Mar 13 83 47 0 81 0 723 13 720 73 Mar 14 83 54 0 81 0 723 12 732 74 Mar 15 69 46 0 81 0 723 2 734 75 Mar 16 75 40 0 81 6 729 7 741 76 Mar 17 70 42 0 81 2 731 2 743 77 Mar 18 63 41 0 81 4 735 0 743 78 Mar 19 70 33 0 81 9 744 2 745 79 Mar 20 78 33 0 81 8 752 9 754 80 Mar 21 82 44 0 81 3 755 10 764 81 Mar 22 90 51 0 81 0 755 14 778 82 Mar 23 81 56 0 81 0 755 13 791 83 Mar 24 80 53 0 81 0 755 11 802 84 Mar 25 75 44 0 81 0 755 9 811 85 Mar 26 73 52 0 81 0 755 5 816 86 Mar 27 68 39 0 81 4 759 0 816 87 Mar 28 73 41 0 81 5 764 7 823 88 Mar 29 82 43 0 81 3 767 10 833 89 Mar 30 85 44 0 81 0 767 13 846 90 Mar 31 88 47 0 81 0 767 12 858 --- ------ --- --- ---- ---- ---- ---- ---- ---- DOY Date Max Min Hrs Acc Hrs Acc Hrs Acc ========== ========== ========== Below 32 Below 45 Above 68 Tucson : 2017 - 2018 : Chill Hours