SEA MTN 12.15, HAWAII

Period of Record General Climate Summary - Cooling Degree Days

Station:(518600) SEA MOUNTAIN 12.15
From Year=1982 To Year=2012
Cooling Degree Days for Selected Base Temperature (F)
Base Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Annual
55 535 480 538 549 603 613 662 676 658 670 605 570 7159
57 473 424 476 489 541 553 600 614 598 608 545 508 6429
60 380 339 383 399 448 463 507 521 508 515 455 415 5334
65 225 198 228 249 293 313 352 366 358 360 305 260 3508
70 74 62 77 100 138 163 197 211 208 205 155 106 1696
Cooling Degree Day units are computed as the difference between the daily average temperature and the base temperature. (Daily Ave. Temp. - Base Temp.) One unit is accumulated for each degree Fahrenheit the average temperature is above the base temperature. Negative numbers are discarded. Example: If the days high temperature was 95 and the low temperature was 51, the base 60 heating degree day units is ((95 + 51) / 2) - 60 = 13. This is done for each day of the month and summed.
Table updated on Oct 31, 2012
Months with 5 or more missing days are not considered
Years with 1 or more missing months are not considered

Western Regional Climate Center, wrcc@dri.edu