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
|