Probability of Exceed
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
Versions:
1
867
FXUS28 KWNC 171231
POECHA
HEATING DEGREE DAYS PROB. OF EXCEEDENCE OUTLOOKS - CITIES
NWS CLIMATE PREDICTION CENTER COLLEGE PARK MD
830 AM THU 17 SEP 2026
VALID: OCTOBER - DECEMBER 2026
...HEATING DEGREE DAYS IN FAHRENHEIT 65F BASIS...
#. CITY NAME CLIM LINE1
98 95 90 80 70 60 50 40 30 20 10 5 2 LINE2
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1. Albuquerque ABQ 1765
1318 1382 1440 1515 1570 1617 1663 1709 1757 1816 1896 1962 2038
2. Atlanta ATL 1089
714 767 815 876 922 962 1000 1038 1080 1131 1202 1263 1333
3. Austin ATT 650
396 425 455 494 523 548 573 597 624 657 703 737 777
4. Birmingham BHM 1092
782 832 877 934 978 1015 1051 1087 1127 1174 1241 1298 1363
5. Bismark BIS 3277
2595 2693 2781 2890 2970 3038 3104 3168 3237 3317 3428 3520 3624
6. Boston BOS 1890
1427 1489 1543 1609 1659 1701 1741 1780 1822 1872 1941 1997 2062
7. Buffalo BUF 2269
1792 1862 1923 1998 2054 2101 2146 2189 2237 2293 2369 2433 2505
8. Charlotte CLT 1237
862 910 954 1008 1049 1084 1118 1152 1189 1233 1296 1349 1409
9. Chicago MDW 2212
1619 1698 1768 1853 1916 1970 2022 2072 2126 2191 2281 2356 2441
10. Cincinnati LUK 1800
1346 1410 1469 1544 1599 1647 1693 1738 1788 1846 1926 1991 2066
11. Cleveland CLE 2096
1602 1675 1739 1819 1878 1929 1978 2025 2077 2138 2222 2291 2369
12. Columbus CMH 2002
1509 1580 1644 1723 1782 1831 1879 1925 1976 2035 2117 2184 2261
13. Dallas DAL 881
620 651 680 722 757 788 818 848 881 920 976 1023 1076
14. Dayton DAY 1938
1462 1534 1599 1680 1740 1791 1841 1889 1941 2001 2085 2154 2233
15. Denver DEN 2265
1774 1849 1915 1998 2059 2111 2161 2210 2262 2325 2412 2485 2566
16. Detroit DET 2145
1674 1748 1814 1896 1957 2010 2060 2109 2162 2225 2312 2383 2463
17. El Paso ELP 1118
783 827 867 917 954 986 1018 1051 1088 1132 1196 1250 1313
18. Fresno FAT 1016
689 731 769 816 850 880 909 937 968 1005 1057 1101 1152
19. Grand Rapids XXX 2398
1851 1926 1993 2075 2134 2185 2234 2280 2332 2392 2477 2545 2624
20. Greensboro GSO 1463
1099 1153 1202 1263 1308 1347 1384 1421 1460 1507 1572 1627 1690
21. Hartford HFD 2151
1531 1611 1682 1769 1833 1887 1939 1989 2044 2110 2199 2273 2357
22. Houston HOU 507
285 311 336 366 390 412 435 459 484 515 561 599 644
23. Indianapolis IND 2026
1500 1581 1654 1746 1814 1873 1929 1981 2040 2109 2204 2282 2369
24. Jacksonville JAX 500
279 306 331 364 390 414 437 460 486 518 564 603 650
25. Kansas City XXX 1851
1430 1495 1551 1619 1670 1713 1755 1795 1840 1893 1970 2033 2106
26. Las Vegas LAS 959
686 715 743 780 808 831 854 877 902 932 975 1011 1052
27. Los Angeles LAX 381
158 186 208 238 260 281 300 320 342 369 407 438 474
28. Louiville SDF 1620
1182 1245 1302 1375 1429 1477 1523 1569 1618 1677 1759 1825 1900
29. Memphis MEM 1166
880 922 961 1010 1049 1085 1120 1155 1193 1238 1302 1356 1416
30. Maimi MIA 42
0 0 0 4 17 29 31 43 47 52 60 67 75
31. Milwaukee MKE 2458
1812 1899 1974 2066 2134 2191 2245 2298 2356 2426 2522 2602 2693
32. Minneapolis MSP 2926
2205 2302 2386 2490 2564 2628 2690 2749 2813 2889 2996 3083 3183
33. Nashville BNA 1387
1002 1060 1116 1187 1241 1287 1332 1376 1425 1481 1558 1623 1696
34. New Orleans XXX 508
276 315 350 393 425 454 483 512 545 588 653 713 788
35. New York City LGA 1616
1152 1210 1260 1323 1370 1409 1448 1486 1528 1579 1649 1706 1773
36. Norfolk ORF 1152
817 860 899 949 986 1018 1052 1085 1120 1163 1224 1275 1332
37. Oklahoma City OKC 1429
1034 1095 1152 1224 1277 1323 1367 1410 1456 1507 1578 1637 1703
38. Omaha OMA 2433
1896 1976 2046 2134 2198 2253 2306 2358 2415 2484 2577 2654 2741
39. Orlando XXX 264
114 134 154 178 198 214 231 248 268 291 326 357 394
40. Phoenix PHX 436
253 276 297 322 341 357 371 386 401 418 443 464 488
41. Philadelphia PHL 1680
1207 1269 1325 1393 1444 1488 1530 1572 1617 1672 1748 1810 1883
42. Pittsburgh XXX 1905
1431 1509 1581 1670 1736 1793 1847 1899 1955 2021 2111 2185 2269
43. Portland PDX 1635
1330 1378 1422 1476 1516 1550 1583 1614 1649 1689 1745 1792 1844
44. Providence PVD 1984
1442 1510 1570 1644 1698 1745 1789 1832 1879 1936 2014 2078 2151
45. Raleigh RDU 1309
941 989 1033 1091 1134 1171 1207 1243 1282 1329 1395 1449 1511
46. Rochester ROC 2284
1844 1913 1976 2051 2108 2155 2201 2245 2293 2349 2425 2488 2560
47. Sacremento SAC 1030
694 744 790 847 889 925 960 995 1032 1077 1141 1194 1255
48. Saint Louis STL 1787
1264 1336 1402 1483 1543 1596 1646 1695 1748 1811 1898 1969 2050
49. Salt Lake City SLC 2183
1813 1873 1928 1997 2048 2091 2132 2172 2216 2267 2339 2397 2463
50. San Antonio SAT 630
374 403 431 469 497 522 546 571 597 630 676 712 754
51. San Diego SAN 356
171 202 230 266 294 319 343 368 395 428 474 513 557
52. San Franscisco SFO 907
493 545 592 650 693 729 764 798 834 877 935 983 1039
53. Seattle SEA 1731
1473 1511 1545 1586 1615 1641 1665 1689 1714 1744 1786 1820 1859
54. Tampa TPA 196
68 83 97 116 131 144 158 170 185 203 229 253 283
55. Washington DCA 1438
1092 1147 1196 1257 1303 1342 1380 1417 1459 1509 1578 1636 1703
56. West Palm Beach PBI 69
0 0 4 25 44 63 55 66 73 82 95 107 121
57. Anchorage ANC 3726
3099 3210 3308 3428 3515 3589 3660 3728 3801 3889 4009 4107 4219
58. Annette ANN 2217
1696 1775 1843 1926 1986 2037 2087 2133 2185 2245 2329 2397 2474
59. Barrow BRW 5889
4901 5068 5216 5396 5527 5638 5744 5846 5956 6088 6267 6415 6583
60. Cold Bay CDB 2743
2410 2475 2532 2601 2651 2693 2734 2773 2815 2866 2935 2992 3056
61. Fairbanks FAI 5368
4530 4662 4777 4917 5020 5107 5191 5271 5357 5460 5601 5717 5848
62. Juneau JNU 2782
2110 2216 2310 2424 2507 2577 2644 2709 2779 2862 2976 3070 3176
63. Kotzebue OTZ 5022
4330 4464 4581 4724 4828 4916 5000 5082 5169 5274 5417 5534 5667
64. Nome OME 4334
3594 3743 3875 4036 4153 4251 4346 4437 4537 4653 4813 4945 5095
65. Yakutat YAK 2851
2238 2331 2413 2513 2586 2647 2707 2763 2824 2897 2996 3078 3171
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