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St. Helena (NVV Office)

Current Conditions

4/1/25 7:30 PM (-07:00)
Updated Every 15 Minutes
Temp 49.6 °F   1.4
Wind Spd 4.1 mph   1.0
Wind Dir WNW | 303 °
Wind Gust 9.8 mph   1.9
Wind Gst Dir WNW | 300 °
Latest Rain 0.00 In
Daily Rain 0.35 In
Daily Max Temp 59.9 °F   1.2
Daily Min Temp 45.5 °F   0.4
Daily Max Wind 21.6 mph   3.4
Max Wind Dir NW | 321 °

St. Helena (NVV Office)

Current Conditions

4/1/25 7:30 PM (-07:00)
Updated Every 15 Minutes
Daily Rain 0.35 In
Storm Total 1.14 In
Month Precip 0.35 In
Season Precip 40.20 In
Yest MaxT 58.7 °F
Yest MinT 45.1 °F
Yest MaxGst 18.2 mph
Yest Precip 0.47 In

Last 7 Days

St. Helena (NVV Office)

Daily Data | America/Los_Angeles
as of 4/1/25 7:43 PM PDT
Load Interactive
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)
3/31/25 58.7 45.1 2.3 W | 280 18.2 1241 0.47 39.85 2.1 0.0 0 12.6
3/30/25 63.4 45.6 1.9 SSE | 157 10.2 2205 0.32 39.38 4.1 0.0 0 12.6
3/29/25 66.1 39.0 1.8 WNW | 293 10.5 1817 0.00 39.06 4.9 6.9 0 12.6
3/28/25 64.2 45.5 2.1 W | 277 14.4 1552 0.02 39.06 4.4 0.0 0 12.7
3/27/25 62.9 52.0 1.8 SSE | 167 13.2 1243 0.30 39.04 6.1 0.0 0 12.6
3/26/25 60.5 53.1 2.4 S | 171 13.0 0716 0.02 38.74 6.0 0.0 0 12.7
3/25/25 88.0 48.4 1.3 E | 96 9.7 1549 0.00 38.72 18.3 0.0 0 12.6
Max 88.0 53.1 2.4 - 18.2 - 0.47 39.85 18.3 6.9 - 12.7
Avg - - 1.9 - - - - - 6.6 1.0 - -
Min 58.7 39.0 1.3 - 9.7 - 0.00 38.72 2.1 0.0 - 12.6
Total - - - - - - - - 46.0 6.9 - -

Climate Summary

St. Helena (NVV Office)

Current Year | Showing 1/1/25 - 3/31/25
as of 4/1/25 7:43 PM PDT
Temperature (°F) Max Wind Gust (mph) Precip (in) Days
Month Days Avg High Avg Low Max Min Avg Max Total Daily Min Temp < 28 Daily Min Temp < 32 Daily Max Temp > 90 Daily Max Temp > 100 Daily Rain > 0.25 Daily Rain > 1 Daily Max Wind > 25
Jan 2025 31 63.3 36.2 80.2 28.3 11.5 23.9 0.99 0 8 0 0 2 0 0
Feb 2025 28 63.7 39.8 81.1 27.6 11.1 23.9 11.18 1 4 0 0 7 5 0
Mar 2025 31 65.6 41.8 88 33.1 13 19.9 4.18 0 0 0 0 6 1 0
Total 90 - - - - - - 16.35 1 12 0 0 15 6 0
Average 30 64.2 39.2 64.2 39.2 11.9 - 5.45 0.3 4 0 0 5 2 0
Maximum 31 65.6 41.8 88 - - 23.9 11.18 1 8 0 0 7 5 0
Minimum 28 63.3 36.2 - 27.6 - - 0.99 0 0 0 0 2 0 0