Chilling & Growing Degree Days

Middletown-South

Daily Data | America/Los_Angeles
as of 12/16/25 7:53 PM PST
Date Chilling <=45F (hrs) Chill Hrs 32-45F (hrs) Utah Chilling (Units) Chilling <=45F Seas (hrs) Chill Hrs 32-45 Seas (hrs) Utah Chilling Seas (Units) Chill Portions GDDs (DL) GDDs (Mx/Mn)
12/15/25 9.2 9.2 9.0 424 391 318 26 4.0 1.5
12/14/25 15.6 10.4 5.0 415 382 310 25 3.4 0.0
12/13/25 16.1 10.8 4.0 400 371 306 25 3.5 0.0
12/12/25 15.4 11.0 5.5 384 360 302 24 4.2 2.5
12/11/25 15.2 12.0 7.5 368 350 298 24 4.1 3.2
12/10/25 13.7 13.7 9.5 353 338 291 23 5.0 5.8
12/9/25 15.0 12.4 8.5 339 324 282 23 3.2 0.3
12/8/25 15.3 9.0 6.0 324 311 275 23 3.3 0.0
12/7/25 16.4 14.5 10.0 309 302 270 22 1.8 0.0
12/6/25 16.6 16.6 14.0 292 288 260 21 2.1 0.6
Max 16.6 16.6 14.0 - - - 26 5.0 5.8
Avg 14.8 12.0 7.9 - - - 24 3.5 1.4
Min 9.2 9.0 4.0 - - - 21 1.8 0.0
Total 148.5 119.5 79.0 - - - - 34.6 13.9