2026 GDD Napa
4/1/2026 - 11/15/2026
Daily Data | America/Los_Angeles
as of 6/3/26 2:51 PM PDT
| Date |
Carneros Lower (Ranch 81) |
Oakville-NE (Ranch 88) |
Suscol Lower (Ranch 35) |
St. Helena-North |
| 6/2/26 |
10.6 |
14.4 |
9.8 |
17.9 |
| 6/1/26 |
16.7 |
19.9 |
16.4 |
21.0 |
| 5/31/26 |
14.9 |
16.7 |
14.9 |
18.2 |
| 5/30/26 |
11.0 |
13.0 |
10.4 |
13.7 |
| 5/29/26 |
9.4 |
12.6 |
9.5 |
13.2 |
| 5/28/26 |
10.6 |
11.1 |
10.9 |
11.3 |
| 5/27/26 |
9.9 |
9.3 |
9.6 |
8.7 |
| 5/26/26 |
9.7 |
9.2 |
8.5 |
10.1 |
| 5/25/26 |
7.5 |
9.3 |
6.6 |
8.3 |
| 5/24/26 |
10.4 |
12.2 |
9.0 |
11.6 |
| 5/23/26 |
10.7 |
12.5 |
9.3 |
13.1 |
| 5/22/26 |
8.8 |
13.2 |
8.4 |
14.9 |
| 5/21/26 |
14.1 |
19.2 |
14.6 |
20.8 |
| 5/20/26 |
16.0 |
19.1 |
16.0 |
21.1 |
| 5/19/26 |
18.7 |
19.4 |
18.7 |
21.7 |
| 5/18/26 |
20.3 |
20.6 |
20.4 |
22.2 |
| 5/17/26 |
14.5 |
14.6 |
13.3 |
16.5 |
| 5/16/26 |
14.2 |
16.1 |
12.6 |
16.7 |
| 5/15/26 |
14.4 |
17.2 |
13.0 |
19.1 |
| 5/14/26 |
12.5 |
14.3 |
11.7 |
17.2 |
| 5/13/26 |
12.3 |
13.6 |
11.6 |
15.8 |
| 5/12/26 |
9.3 |
11.9 |
8.3 |
13.3 |
| 5/11/26 |
14.3 |
16.3 |
13.8 |
17.8 |
| 5/10/26 |
8.6 |
11.5 |
8.8 |
13.5 |
| 5/9/26 |
10.7 |
13.4 |
10.5 |
16.1 |
| 5/8/26 |
9.9 |
12.0 |
8.6 |
13.9 |
| 5/7/26 |
8.5 |
11.5 |
8.3 |
13.2 |
| 5/6/26 |
11.1 |
13.9 |
11.1 |
14.7 |
| 5/5/26 |
7.7 |
8.9 |
7.5 |
9.0 |
| 5/4/26 |
5.8 |
5.3 |
5.2 |
6.0 |
| 5/3/26 |
7.6 |
8.1 |
6.9 |
8.4 |
| 5/2/26 |
6.7 |
8.2 |
6.1 |
8.6 |
| 5/1/26 |
6.9 |
9.5 |
7.2 |
10.6 |
| 4/30/26 |
8.6 |
11.5 |
8.2 |
13.3 |
| 4/29/26 |
8.9 |
12.4 |
8.8 |
13.4 |
| 4/28/26 |
8.7 |
10.1 |
8.2 |
10.4 |
| 4/27/26 |
6.4 |
7.0 |
5.9 |
6.6 |
| 4/26/26 |
5.3 |
4.6 |
4.6 |
4.7 |
| 4/25/26 |
4.0 |
4.0 |
3.5 |
3.6 |
| 4/24/26 |
5.6 |
7.2 |
5.3 |
7.7 |
| 4/23/26 |
8.2 |
9.8 |
8.5 |
9.4 |
| 4/22/26 |
4.4 |
5.7 |
4.7 |
4.8 |
| 4/21/26 |
5.2 |
5.2 |
5.2 |
4.2 |
| 4/20/26 |
4.5 |
3.6 |
4.8 |
2.7 |
| 4/19/26 |
8.5 |
10.1 |
8.3 |
9.8 |
| 4/18/26 |
11.3 |
12.4 |
11.1 |
11.8 |
| 4/17/26 |
11.4 |
12.4 |
10.8 |
13.2 |
| 4/16/26 |
10.5 |
10.3 |
10.6 |
10.9 |
| 4/15/26 |
6.2 |
7.2 |
5.7 |
8.0 |
| 4/14/26 |
5.2 |
6.3 |
5.0 |
6.3 |
| 4/13/26 |
5.7 |
6.7 |
5.7 |
6.7 |
| 4/12/26 |
2.5 |
3.9 |
2.7 |
2.2 |
| 4/11/26 |
3.0 |
3.7 |
4.2 |
3.2 |
| 4/10/26 |
6.5 |
6.8 |
7.3 |
6.1 |
| 4/9/26 |
10.2 |
10.3 |
10.0 |
10.4 |
| 4/8/26 |
10.8 |
12.7 |
10.5 |
13.3 |
| 4/7/26 |
7.3 |
9.3 |
6.8 |
10.3 |
| 4/6/26 |
6.6 |
9.7 |
6.9 |
11.2 |
| 4/5/26 |
14.8 |
16.2 |
15.0 |
16.1 |
| 4/4/26 |
11.8 |
14.6 |
13.4 |
14.5 |
| 4/3/26 |
11.4 |
12.7 |
11.6 |
12.9 |
| 4/2/26 |
5.2 |
6.3 |
5.6 |
6.1 |
| 4/1/26 |
6.0 |
5.6 |
6.0 |
4.9 |
