DALECARLIA RESVR DC, MARYLAND

Period of Record General Climate Summary - Growing Degree Days

From Year=1948 To Year=2012
Station:(182325) DALECARLIA RESVR DC
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 51 69 212 481 769 1001 1169 1125 880 547 250 78 6631
40 S 51 120 332 813 1582 2583 3751 4877 5756 6303 6553 6631 6631
45 M 23 30 120 339 614 851 1014 970 730 396 146 34 5266
45 S 23 52 172 511 1126 1976 2990 3960 4690 5086 5231 5266 5266
50 M 9 11 60 217 461 701 859 815 580 257 72 13 4054
50 S 9 20 80 297 757 1458 2317 3132 3712 3970 4041 4054 4054
55 M 3 3 26 122 314 551 704 660 432 145 29 4 2992
55 S 3 6 32 154 468 1019 1723 2383 2815 2959 2988 2992 2992
60 M 0 1 9 60 187 402 549 505 291 67 9 1 2082
60 S 0 1 10 70 257 659 1208 1713 2004 2072 2080 2082 2082
Corn Growing Degree Days
50 M 35 48 139 298 489 671 799 772 578 334 148 47 4357
50 S 35 83 222 520 1009 1680 2479 3250 3828 4162 4310 4357 4357
Derived form the 1948-2012 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