ALDERPOINT, CALIFORNIA

Period of Record General Climate Summary - Growing Degree Days

Station:(040088) ALDERPOINT
From Year=1948 To Year=1980
Growing Degree Days for Selected Base Temperature (F)
Base Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Annual
40 M 152 238 317 428 604 763 974 964 827 595 325 163 6349
40 S 152 390 707 1135 1739 2501 3476 4440 5266 5861 6186 6349 6349
45 M 56 118 176 281 449 613 819 809 677 441 186 60 4686
45 S 56 175 351 632 1081 1694 2513 3322 3998 4439 4625 4686 4686
50 M 11 37 74 154 297 463 664 654 527 291 79 14 3263
50 S 11 48 122 276 572 1035 1699 2353 2880 3171 3249 3263 3263
55 M 1 5 20 63 162 315 509 499 378 157 22 2 2133
55 S 1 6 26 89 252 566 1076 1575 1953 2110 2131 2133 2133
60 M 0 0 3 16 66 180 354 344 235 61 3 0 1264
60 S 0 0 3 19 85 265 620 964 1199 1260 1263 1264 1264
Corn Growing Degree Days
50 M 67 127 183 264 364 461 580 577 505 374 172 68 3743
50 S 67 195 378 642 1005 1467 2047 2624 3129 3503 3675 3743 3743
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