Climate Data

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Heating and Cooling Degree Days

Heating and cooling degree days can be used to evaluate the effect of weather on energy use. For each degree the average outdoor temperature varies from a standard of 65 degrees Fahrenheit, a degree day is recorded.

Hot days are measured in Cooling Degree Days (CDD) because it would require the use of energy for cooling.

Cold days are measured in Heating Degree Days (HDD) because it would require the use of energy for heating.

Weather data is obtained from: The National Oceanic and Atmospheric Administration, or NOAA.

Cooling Degree Day Data for El Paso International Airport
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec October YTD Annual
2009 0 11 26 109 393 511 679 597 325 117 0 0   2,768 2,768
2010 0 0 9 71 311 613 571 611 421 131 0 0     2,738 2,738
2011 0 1 40 192 317 660 669 688 430 144 0 0     3,141 3,141
2012 0 0 37 193 340 645 552 610 335 157 7 0    2,869 2,876
2013 0 0 33 134 341 663 545 562 337 79 1 0      2,694 2,695
2014 0 7 18 101 301 693 622 477 316 130 6 0     2,6652,671
2015 0 1 33 93 244 592 612 642 478 144 0 0     2,839 2,839
2016 0 3 20 91 282 592 742 494 360 204 23 0     2,788 2,811
2017 0 3 69 170 312 626 591 516 425 191 14 0     2,903 2,917
2018 0 0 37 184 456 679 657 630 415 106 0 0     3,164 NA
10-Yr AVG 0 3 32 134 330 627 624 583 384 140

   2,857 NA
2018 vs 2017 0.0% -100.0% -46.4% 8.2% 46.2% 8.5% 11.2% 22.1% -2.4% -44.5%

 9.0% NA
2018 vs 10-Yr Avg 0.0% -100.0%  14.9% 37.5% 38.3% 8.2% 5.3% 8.1% 8.0% -24.3%

   10.7% NA

Heating Degree Day Data for El Paso International Airport

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec October YTD Annual
2009 515 332 183 82 0 0 0 0 2 98 289 643 1,212 2,144
2010 659 441 296 66 16 0 0 0 0 15 344 436 1,493 2,273
2011 627 549 89 26 14 0 0 0 0 48 337 712 1,353 2,402
2012 511 415 233 37 13 0 0 0 6 37 217 540  1,252 2,009
2013 689 476 173 60 21 0 0 0 0 58 326 623 1,477 2,426
2014 549 232 177 61 23 0 0 0 0 5 358 495  1,047 1,900
2015 635 330 188 53 0 0 0 0 0 38 297 554  1,244 2,095
2016 602 343 109 61 14 0 0 0 5 2 235 480  1,136 1,851
2017 496 251 63 43 2 0 0 0 0 43 120 504  898 1,522
2018 565 263 137 11 0 0 0 0 0 89 00 1,065 NA
10-Yr AVG 585 363 165 50 10 0 0 0 1 43

 1,218 NA
2018 vs 2017 13.9%  4.8% 117.5% -74.4% -100.0% 0.0% 0.0% 0.0% 0.0% 107.0%

18.6% NA
2018 vs 10-Yr Avg  -3.4%  -27.6%  -16.59% -78.0% -100.0% 0.0% 0.0% 0.0% -100.0% 107.0%

-12.6% NA