Probability of Exceed
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
Versions:
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099
FXUS28 KWNC 171231
POECHA
HEATING DEGREE DAYS PROB. OF EXCEEDENCE OUTLOOKS - CITIES
NWS CLIMATE PREDICTION CENTER COLLEGE PARK MD
830 AM THU 17 APR 2025
VALID: MAY - JULY 2025
...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 87
0 0 0 7 28 48 47 60 68 79 95 109 127
2. Atlanta ATL 26
0 0 0 0 0 0 0 6 9 15 25 37 54
3. Austin ATT 2
0 0 0 0 0 0 0 0 0 4 5 7 9
4. Birmingham BHM 30
0 0 0 0 0 0 10 16 21 28 40 49 61
5. Bismark BIS 416
192 229 264 311 347 379 410 442 476 517 574 621 674
6. Boston BOS 287
71 89 107 135 159 180 201 222 246 275 317 353 393
7. Buffalo BUF 343
0 1 55 146 232 314 259 299 328 361 408 448 494
8. Charlotte CLT 46
0 0 0 0 0 0 10 17 24 34 50 65 84
9. Chicago MDW 239
0 0 15 77 135 191 159 185 209 238 281 318 361
10. Cincinnati LUK 134
0 0 0 0 31 61 63 86 100 118 146 171 198
11. Cleveland CLE 294
59 72 88 112 135 156 177 200 225 257 304 345 390
12. Columbus CMH 193
0 0 4 42 79 116 96 116 137 166 209 247 293
13. Dallas DAL 10
0 0 0 0 0 0 0 0 5 7 11 15 21
14. Dayton DAY 160
21 33 48 69 88 105 123 142 163 190 228 260 297
15. Denver DEN 300
0 3 39 102 161 216 156 159 185 217 264 305 351
16. Detroit DET 243
0 13 56 132 199 265 207 227 253 284 330 367 413
17. El Paso ELP 11
0 0 0 0 0 0 0 0 6 9 13 18 25
18. Fresno FAT 40
0 0 0 0 3 11 13 19 24 31 42 54 69
19. Grand Rapids XXX 400
0 16 80 188 286 382 317 362 392 429 481 525 576
20. Greensboro GSO 87
0 0 0 6 25 44 40 50 60 73 92 110 131
21. Hartford HFD 257
0 3 30 77 120 162 123 133 150 171 203 230 263
22. Houston HOU 1
0 0 0 0 0 0 0 0 0 2 3 3 4
23. Indianapolis IND 156
0 0 6 54 99 143 122 147 165 187 219 246 279
24. Jacksonville JAX 5
0 0 0 0 0 0 0 0 6 7 9 11 14
25. Kansas City XXX 78
0 0 0 11 35 60 56 72 87 106 134 159 189
26. Las Vegas LAS 16
0 0 0 0 0 0 0 6 8 10 14 17 22
27. Los Angeles LAX 97
0 0 0 15 47 78 79 104 117 134 159 180 207
28. Louiville SDF 89
0 0 0 6 26 45 42 53 64 78 100 120 146
29. Memphis MEM 21
0 0 0 0 0 0 13 21 25 31 39 48 59
30. Maimi MIA 0
0 0 0 0 0 0 0 0 0 0 0 0 0
31. Milwaukee MKE 416
100 123 150 188 221 251 281 313 350 392 455 508 569
32. Minneapolis MSP 273
89 109 133 168 196 222 249 276 307 345 399 446 500
33. Nashville BNA 56
0 0 0 0 0 12 25 38 47 57 73 87 104
34. New Orleans XXX 0
0 0 0 0 0 0 0 0 0 0 0 0 0
35. New York City LGA 153
0 0 0 15 41 67 61 75 90 109 138 165 196
36. Norfolk ORF 69
0 0 0 0 2 20 27 39 47 56 70 83 99
37. Oklahoma City OKC 44
0 0 0 0 4 19 24 35 43 53 72 90 111
38. Omaha OMA 172
0 4 37 94 147 199 154 168 191 220 260 295 335
39. Orlando XXX 1
0 0 0 0 0 0 0 0 0 0 0 6 7
40. Phoenix PHX 1
0 0 0 0 0 0 0 0 0 0 0 0 2
41. Philadelphia PHL 126
0 0 3 24 45 65 49 54 66 81 104 125 152
42. Pittsburgh XXX 205
0 7 37 88 136 181 153 178 192 209 233 254 277
43. Portland PDX 349
0 0 22 99 172 242 219 271 296 328 374 414 462
44. Providence PVD 273
61 77 94 117 134 150 166 182 200 222 253 280 311
45. Raleigh RDU 66
0 0 0 0 10 27 32 44 51 61 76 90 106
46. Rochester ROC 349
0 17 76 175 266 354 297 342 369 402 448 487 533
47. Sacremento SAC 86
0 0 0 0 0 8 23 38 47 60 85 110 141
48. Saint Louis STL 88
0 0 0 12 35 57 55 70 82 98 121 142 167
49. Salt Lake City SLC 260
0 0 0 21 66 111 104 130 153 183 225 259 300
50. San Antonio SAT 1
0 0 0 0 0 0 0 0 0 0 8 10 13
51. San Diego SAN 56
0 0 0 0 3 12 12 17 23 33 50 68 93
52. San Franscisco SFO 398
99 124 150 188 218 244 271 298 328 364 416 459 509
53. Seattle SEA 499
198 232 264 307 340 369 397 426 457 494 547 591 642
54. Tampa TPA 0
0 0 0 0 0 0 0 0 0 0 6 6 7
55. Washington DCA 76
0 0 0 1 21 41 40 51 60 71 88 103 121
56. West Palm Beach PBI 0
0 0 0 0 0 0 0 0 0 0 4 4 4
57. Anchorage ANC 1077
755 811 858 916 959 995 1030 1064 1101 1144 1205 1255 1311
58. Annette ANN 1020
687 751 808 875 924 966 1007 1046 1089 1140 1211 1268 1333
59. Barrow BRW 3057
2669 2745 2812 2894 2954 3005 3053 3099 3150 3210 3292 3359 3435
60. Cold Bay CDB 1800
1422 1486 1540 1608 1657 1698 1738 1776 1817 1866 1933 1988 2051
61. Fairbanks FAI 804
431 483 531 591 636 674 712 748 788 835 899 952 1014
62. Juneau JNU 1121
822 873 916 971 1011 1045 1078 1110 1144 1186 1242 1288 1340
63. Kotzebue OTZ 1971
1462 1560 1646 1752 1828 1893 1957 2017 2083 2160 2267 2354 2454
64. Nome OME 1787
1357 1447 1528 1625 1696 1756 1814 1869 1928 2000 2098 2177 2268
65. Yakutat YAK 1477
1068 1128 1180 1245 1291 1330 1369 1405 1444 1492 1556 1609 1669
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