MONTEREY, CALIFORNIA

Period of Record General Climate Summary - Growing Degree Days

Station:(045795) MONTEREY
From Year=1906 To Year=2012
Growing Degree Days for Selected Base Temperature (F)
Base Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Annual
40 M 361 363 417 435 500 551 612 645 664 631 480 370 6028
40 S 361 723 1140 1575 2075 2626 3238 3883 4547 5178 5658 6028 6028
45 M 210 223 262 285 345 401 457 490 514 476 330 219 4212
45 S 210 433 695 980 1325 1726 2183 2673 3187 3663 3993 4212 4212
50 M 86 98 118 140 190 251 302 335 364 321 185 91 2482
50 S 86 184 302 442 632 883 1185 1520 1885 2206 2391 2482 2482
55 M 22 26 32 44 63 107 148 181 215 172 72 22 1102
55 S 22 48 80 123 186 293 441 622 837 1008 1080 1102 1102
60 M 4 5 6 12 16 27 36 53 84 65 20 3 330
60 S 4 8 14 26 43 69 106 159 243 308 327 330 330
Corn Growing Degree Days
50 M 158 163 187 202 228 263 305 336 364 338 235 163 2943
50 S 158 321 508 710 938 1201 1506 1843 2207 2545 2780 2943 2943
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 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