BLOWING ROCK 1 NW, NORTH CAROLINA

Period of Record General Climate Summary - Growing Degree Days

From Year=1893 To Year=2009
Station:(310901) BLOWING ROCK 1 NW
Averages Daily Extremes
Growing Degree Days for Selected Base Temperature (F)
Base Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Annual
40 M 34 38 124 299 526 708 838 807 616 349 138 57 4534
40 S 34 72 197 496 1022 1730 2568 3374 3991 4340 4478 4534 4534
45 M 11 13 61 186 375 558 683 652 467 217 65 22 3310
45 S 11 24 85 271 647 1205 1887 2539 3006 3223 3287 3310 3310
50 M 3 2 25 100 237 409 528 497 321 112 22 6 2261
50 S 3 5 30 130 367 776 1304 1800 2121 2233 2255 2261 2261
55 M 0 0 7 44 123 264 373 343 189 42 5 0 1388
55 S 0 0 7 51 174 438 810 1153 1342 1383 1388 1388 1388
60 M 0 0 1 12 43 133 222 194 85 9 0 0 699
60 S 0 0 1 13 56 189 411 605 690 699 699 699 699
Corn Growing Degree Days
50 M 14 17 66 164 286 420 530 501 350 181 67 25 2620
50 S 14 31 97 260 546 966 1496 1997 2348 2528 2595 2620 2620
Derived form the 1893-2009 Data
M = Monthly Data
S - Running sum of monthly data.
Growing 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.
Corn Growing Degree Day units have the limitations that the maximum daily temperatures greater than 86 F are set to 86 F and minimums less than 50 F are set to 50 F.
Table updated on May 22,
Months with 5 or more missing days are not considered
Years with 1 or more missing months are not considered

Southeast Regional Climate Center, SERCC Webmaster