PLACERVILLE IFG, CALIFORNIA

Period of Record General Climate Summary - Growing Degree Days

Station:(046962) PLACERVILLE IFG
From Year=1955 To Year=1991
Growing Degree Days for Selected Base Temperature (F)
Base Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Annual
40 M 195 223 281 409 649 903 1168 1144 950 711 343 224 7200
40 S 195 418 699 1108 1757 2660 3828 4972 5922 6634 6977 7200 7200
45 M 95 117 157 276 496 753 1013 989 800 558 214 117 5587
45 S 95 213 370 646 1142 1896 2909 3897 4698 5255 5469 5587 5587
50 M 37 49 72 167 352 604 858 834 651 410 114 48 4196
50 S 37 86 159 325 678 1282 2140 2973 3624 4034 4148 4196 4196
55 M 9 15 25 87 226 457 703 679 503 275 49 13 3041
55 S 9 24 49 136 362 820 1523 2201 2704 2979 3028 3041 3041
60 M 1 2 5 36 128 319 549 525 362 163 16 2 2108
60 S 1 3 8 45 172 492 1041 1566 1928 2091 2106 2108 2108
Corn Growing Degree Days
50 M 80 101 139 227 392 579 765 750 617 427 163 95 4333
50 S 80 180 319 546 938 1517 2283 3032 3649 4076 4238 4333 4333
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 Jul 28, 2006
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