Last 7 Days
St. Helena (NVV Office)
Daily Data | America/Los_Angeles
as of 9/19/26 4:17 AM PDT
| Date |
Daily Max Temp
(°F)
|
Daily Min Temp
(°F)
|
Wind Spd
(mph)
|
Wind Dir
(°)
|
Daily Max Wind
(mph)
|
Time of Max Wind
|
Daily Rain
(In)
|
Season Precip
(In)
|
GDDs (DL)
|
Chilling <=45F
(hrs)
|
Powdery Mildew Stress
(pts)
|
MinBV Day
(V)
|
|
9/18/26 |
89.5
|
49.3
|
1.1
|
WNW | 301
|
10.5
|
1639
|
0.00
|
0.04
|
17.7
|
0.0
|
60
|
12.6
|
|
9/17/26 |
79.8
|
50.3
|
1.0
|
SSW | 195
|
10.9
|
1741
|
0.00
|
0.04
|
12.8
|
0.0
|
70
|
12.6
|
|
9/16/26 |
78.6
|
53.6
|
1.5
|
SE | 142
|
13.8
|
1404
|
0.00
|
0.04
|
13.1
|
0.0
|
50
|
12.6
|
|
9/15/26 |
84.4
|
48.9
|
1.6
|
ESE | 107
|
11.9
|
1316
|
0.00
|
0.04
|
14.5
|
0.0
|
30
|
12.6
|
|
9/14/26 |
90.5
|
49.1
|
1.1
|
SW | 236
|
10.3
|
1528
|
0.00
|
0.04
|
18.2
|
0.0
|
10
|
12.6
|
|
9/13/26 |
85.8
|
50.8
|
1.6
|
NW | 319
|
10.4
|
1359
|
0.00
|
0.04
|
16.7
|
0.0
|
20
|
12.6
|
|
9/12/26 |
89.4
|
51.7
|
1.6
|
W | 280
|
11.5
|
1741
|
0.00
|
0.04
|
18.7
|
0.0
|
0
|
12.6
|
| Max |
90.5
|
53.6
|
1.6
|
- |
13.8
|
- |
0.00
|
0.04
|
18.7
|
0.0
|
- |
12.6
|
| Avg |
- |
- |
1.4
|
- |
- |
- |
- |
- |
16.0
|
0.0
|
- |
- |
| Min |
78.6
|
48.9
|
1.0
|
- |
10.3
|
- |
0.00
|
0.04
|
12.8
|
0.0
|
- |
12.6
|
| Total |
- |
- |
- |
- |
- |
- |
- |
- |
111.7
|
0.0
|
- |
- |
