Chilling & Growing Degree Days

Upper Lake

Daily Data | America/Los_Angeles
as of 12/22/25 8:20 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)
12/21/25 0.0 0.0 0.5 467 373 332 31 5.7 4.8
12/20/25 0.0 0.0 11.0 467 373 331 31 2.2 1.7
12/19/25 0.0 0.0 6.0 467 373 320 31 3.2 3.0
12/18/25 8.2 8.2 12.0 467 373 314 30 3.2 1.2
12/17/25 0.7 0.7 2.5 459 365 303 29 6.0 2.9
12/16/25 0.0 0.0 5.0 458 364 302 29 5.2 3.2
12/15/25 10.2 9.1 5.0 458 364 296 28 3.9 0.0
Max 10.2 9.1 12.0 - - - 31 6.0 4.8
Avg 2.7 2.6 6.0 - - - 30 4.2 2.4
Min 0.0 0.0 0.5 - - - 28 2.2 0.0
Total 19.0 17.9 42.0 - - - - 29.4 16.9