| Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | Daily Max RH (%) | Daily Min RH (%) | Wind Spd (mph) | Daily Max Wind (mph) | Time of Max Wind | Max Wind Dir (°) | Daily Rain (In) | Season Precip (In) | Daily ETo (in) | Daily Solar Rad (Cal/cm2) | Powdery Mildew Stress (pts) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Montesol | 5/30/26 | 73.0 4.7 | 1630 | 43.3 3.8 | 0445 | - | - | - | - | - | - | - | 0.00 | 50.54 | - | - | 20 10 |
| Pope Valley (Weeks Lake) | 5/30/26 | 79.6 6.3 | 1543 | 43.6 6.3 | 0457 | 49.3 0.8 | 100 5 | 30 11 | 1.7 0.0 | 12.1 1.1 | 1314 | WSW | 253 | 0.00 | 26.64 | 0.189 0.062 | 603 210 | 70 20 |
| Dollarhide Base | 5/30/26 | 83.0 6.8 | 1556 | 48.9 6.0 | 0606 | 52.8 0.3 | 99 7 | 35 9 | 3.0 0.2 | 16.9 1.8 | 1655 | SSW | 210 | 0.00 | 23.55 | 0.236 0.083 | 741 272 | 100 20 |
| Dollarhide 1AS Remote | 5/30/26 | 83.0 6.5 | 1534 | 44.6 7.1 | 0544 | 51.8 0.5 | 94 1 | 33 11 | 2.1 0.6 | 13.6 1.1 | 1534 | SSW | 208 | - | - | - | - | 70 20 |
| Dollarhide 16A Remote | 5/30/26 | 81.9 7.6 | 1513 | 47.9 5.7 | 0531 | 52.6 0.2 | 99 4 | 37 10 | - | - | - | - | - | - | - | - | 70 20 |
| Dollarhide 18A Remote | 5/30/26 | 81.0 6.7 | 1633 | 42.9 7.3 | 0544 | 51.0 1.1 | 100 2 | 35 10 | - | - | - | - | - | - | - | - | 100 20 |
| Hardin Rd (Eakle) | 5/30/26 | 82.1 6.9 | 1529 | 46.1 7.5 | 0603 | - | - | - | - | - | - | - | - | - | - | - | 100 20 |
| Angwin | 5/30/26 | 70.9 5.9 | 1528 | 51.5 1.9 | 0517 | 48.4 1.2 | 92 8 | 43 8 | 2.6 0.1 | 11.8 5.9 | 1302 | SSE | 162 | 0.00 | 46.17 | 0.027 0.008 | 0 0 | 20 10 |
| Lower Angwin (Pioneer) | 5/30/26 | 73.2 6.6 | 1518 | 41.3 4.9 | 0559 | - | - | - | 1.7 0.3 | 12.2 0.4 | 1403 | NW | 308 | - | - | - | - | 20 10 |
| Las Posadas (Cal Fire) | 5/30/26 | 75.2 6.2 | 1517 | 45.8 4.9 | 0358 | 49.1 0.6 | 100 6 | 36 13 | 6.5 0.3 | 18.2 2.7 | 1617 | SSW | 211 | 0.00 | 35.41 | 0.201 0.054 | 633 153 | - |
| Deer Park | 5/30/26 | 80.1 6.7 | 1516 | 50.3 2.1 | 0224 | 49.6 0.6 | 99 8 | 33 13 | 2.7 0.9 | 12.0 0.9 | 1637 | NW | 316 | 0.00 | 29.37 | 0.147 0.019 | 426 56 | 50 20 |
| Lower Chiles Valley (Brown) | 5/30/26 | 78.0 7.1 | 1600 | 46.3 5.7 | 0052 | 49.8 0.6 | 100 6 | 28 22 | 2.9 0.5 | 14.9 3.1 | 1327 | WNW | 294 | 0.00 | 26.24 | 0.193 0.072 | 667 256 | 50 20 |
| Moss Creek Vineyard/Reservior | 5/30/26 | 81.1 6.8 | 1302 | 48.6 3.2 | 0429 | 50.1 0.7 | 100 6 | 31 12 | - | - | - | - | 0.00 | 27.15 | - | - | 40 20 |
| Max | 83.0 | - | 51.5 | - | 52.8 | 100 | 43 | 6.5 | 18.2 | - | - | 0.00 | 50.54 | 0.236 | 741 | - | |
| Avg | - | - | - | - | 50.4 | - | - | 2.9 | - | - | - | - | - | - | - | - | |
| Min | 70.9 | - | 41.3 | - | 48.4 | 92 | 28 | 1.7 | 11.8 | - | - | 0.00 | 23.55 | 0.027 | 0 | - |
| Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | Daily Max RH (%) | Daily Min RH (%) | Wind Spd (mph) | Daily Max Wind (mph) | Time of Max Wind | Max Wind Dir (°) | Daily Rain (In) | Season Precip (In) | Daily ETo (in) | Daily Solar Rad (Cal/cm2) | Powdery Mildew Stress (pts) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Calistoga-North | 5/30/26 | 82.6 7.4 | 1432 | 51.5 3.6 | 0101 | 51.6 0.1 | 96 1 | 36 1 | - | - | - | - | 0.00 | 32.79 | - | - | 40 20 |
| Diamond Mtn (Schramsberg) | 5/30/26 | 77.8 7.2 | 1602 | 49.1 2.5 | 0321 | 49.1 1.0 | 100 3 | 32 16 | - | - | - | - | 0.00 | 31.46 | - | - | 50 20 |
| Diamond Mtn (McEachran) | 5/30/26 | 77.7 2.6 | 1513 | 50.9 1.5 | 0216 | 49.2 1.5 | 97 5 | 31 10 | - | - | - | - | - | - | - | - | 40 20 |
| St. Helena-North | 5/30/26 | 82.6 7.0 | 1525 | 52.3 0.7 | 0329 | 48.4 2.0 | 91 4 | 27 12 | 2.0 | 10.5 9.0 | 1544 | WNW | 295 | 0.00 | 31.48 | 0.161 0.010 | 507 61 | 70 20 |
| St. Helena (NVV Office) | 5/30/26 | 83.4 7.7 | 1520 | 52.8 1.4 | 0331 | - | - | - | 1.3 | 10.2 0.6 | 1525 | SW | 225 | 0.00 | 29.13 | - | - | 90 20 |
| Tiara Fria (East St. Helena) | 5/30/26 | 80.5 8.0 | 1600 | 52.4 1.5 | 0326 | 50.8 1.5 | 94 4 | 34 13 | 2.1 | 12.7 0.8 | 1617 | W | 263 | 0.00 | 27.01 | - | - | 60 20 |
| Rutherford Hill Estate | 5/30/26 | 82.4 8.0 | 1650 | 50.9 0.7 | 0501 | 50.8 0.6 | 100 9 | 32 16 | 1.5 | 13.6 0.2 | 1604 | S | 177 | 0.00 | 25.35 | 0.164 0.010 | 535 11 | 70 20 |
| Rutherford-North (Mee Ln) | 5/30/26 | 81.6 7.4 | 1627 | 49.0 2.6 | 0056 | 50.3 1.7 | 94 0 | 33 12 | 2.4 | 14.2 3.3 | 1530 | SE | 129 | 0.00 | 24.87 | 0.173 0.004 | 544 8 | 40 20 |
| Rutherford (STS) | 5/30/26 | 82.3 6.9 | 1547 | 50.3 1.6 | 0059 | 52.4 2.1 | 92 0 | 38 12 | 2.0 | 11.8 4.0 | 1731 | W | 264 | 0.00 | 26.10 | 0.195 0.010 | 631 2 | 100 20 |
| Oakville-NE (Ranch 88) | 5/30/26 | 82.1 7.0 | 1624 | 49.8 2.4 | 0059 | 49.9 2.2 | 91 5 | 28 16 | 1.8 | 12.3 4.9 | 1524 | SE | 141 | 0.00 | 25.32 | 0.172 0.005 | 545 29 | 100 0 |
| OV561-East | 5/30/26 | 84.0 9.2 | 1622 | 52.0 1.0 | 0059 | - | - | - | - | - | - | - | - | - | - | - | 60 20 |
| Oakville | 5/30/26 | 80.3 8.4 | 1718 | 50.4 2.1 | 0059 | 50.3 2.0 | 94 1 | 32 18 | 2.7 | 13.2 4.0 | 1637 | WSW | 242 | 0.00 | 26.11 | 0.189 0.005 | 614 20 | 40 20 |
| OV518-West | 5/30/26 | 81.0 9.0 | 1726 | 51.6 1.3 | 0057 | - | - | - | - | - | - | - | - | - | - | - | 40 20 |
| To Kalon Remote (TKKE) | 5/30/26 | 81.4 6.8 | 1600 | 49.4 3.4 | 0059 | - | - | - | - | - | - | - | - | - | - | - | 90 20 |
| To Kalon | 5/30/26 | 79.7 6.8 | 1541 | 49.8 2.3 | 0058 | 50.8 1.8 | 95 1 | 34 17 | 2.6 | 12.8 2.0 | 1610 | SW | 234 | 0.00 | 28.00 | 0.179 0.013 | 560 20 | 40 20 |
| To Kalon Remote (TKN5) | 5/30/26 | 82.0 6.9 | 1537 | 50.4 2.3 | 0059 | - | - | - | - | - | - | - | - | - | - | - | 90 20 |
| Yountville (Ranch 67) | 5/30/26 | 77.7 7.2 | 1545 | 49.8 1.7 | 0059 | 49.1 2.2 | 93 0 | 33 17 | 3.1 | 13.7 3.2 | 1452 | E | 95 | 0.00 | 24.03 | 0.193 0.005 | 658 30 | 40 20 |
| Stags Leap Dist (Silverado Vineyards) | 5/30/26 | 77.8 7.4 | 1538 | 50.0 1.7 | 0059 | 49.1 2.2 | 92 0 | 31 20 | 2.6 | 14.1 1.1 | 1706 | SSE | 161 | 0.00 | 28.04 | 0.180 0.003 | 580 61 | 0 0 |
| Borreo (Soda Canyon) | 5/30/26 | 76.0 6.3 | 1654 | 47.4 1.4 | 0046 | 48.6 2.2 | 97 1 | 29 23 | 2.0 | 12.6 0.8 | 1607 | SSE | 163 | 0.00 | 27.74 | 0.185 0.019 | 637 28 | 0 0 |
| Wappo Hill Floor | 5/30/26 | 79.2 6.5 | 1647 | 49.7 1.9 | 0052 | 50.4 2.1 | 100 0 | 32 19 | 2.6 | 12.8 1.8 | 1516 | ESE | 123 | 0.00 | 27.12 | 0.188 0.002 | 611 35 | 70 20 |
| Stags Leap Dist (Chimney Rock) | 5/30/26 | 78.5 7.5 | 1559 | 49.1 3.3 | 0101 | 51.7 2.1 | 96 0 | 36 22 | 2.8 | 13.1 0.9 | 1654 | S | 182 | 0.00 | 26.50 | 0.170 0.015 | 550 15 | 20 20 |
| Yountville-South (Ranch 87) | 5/30/26 | 79.7 7.1 | 1504 | 51.3 1.6 | 0040 | 50.8 2.4 | 95 5 | 33 19 | 2.0 | 13.8 1.9 | 1523 | S | 190 | 0.00 | 27.76 | 0.188 0.001 | 616 42 | 100 0 |
| Yountville-SE (Ranch 85) | 5/30/26 | 79.5 7.8 | 1603 | 52.1 0.2 | 0559 | 50.5 2.3 | 95 1 | 32 21 | 2.6 | 12.7 0.2 | 1442 | SSE | 154 | 0.00 | 26.09 | - | 0 0 | 40 20 |
| Oak Knoll-East (Ranch 53) | 5/30/26 | 78.3 7.4 | 1541 | 52.2 0.0 | 0051 | 49.4 2.3 | 93 1 | 27 24 | 2.5 | 13.2 0.7 | 1523 | SSE | 159 | 0.00 | 24.76 | 0.190 0.011 | 624 15 | 70 20 |
| Napa-NW (Ranch 54) | 5/30/26 | 81.2 7.3 | 1650 | 51.1 1.3 | 0101 | 49.7 2.3 | 93 2 | 26 19 | 0.9 | 10.8 0.1 | 1530 | S | 182 | 0.00 | 27.13 | - | 0 0 | 100 20 |
| Napa-North (Ranch 29) | 5/30/26 | 76.3 6.1 | 1651 | 52.1 0.3 | 0038 | 51.5 0.8 | 100 0 | 31 22 | 2.0 | 13.0 2.0 | 1551 | S | 190 | 0.00 | 25.63 | 0.137 0.009 | 440 8 | 20 20 |
| Max | 84.0 | - | 52.8 | - | 52.4 | 100 | 38 | 3.1 | 14.2 | - | - | 0.00 | 32.79 | 0.195 | 658 | - | |
| Avg | - | - | - | - | 50.2 | - | - | 2.2 | - | - | - | - | - | - | - | - | |
| Min | 76.0 | - | 47.4 | - | 48.4 | 91 | 26 | 0.9 | 10.2 | - | - | 0.00 | 24.03 | 0.137 | 0 | - |
| Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | Daily Max RH (%) | Daily Min RH (%) | Wind Spd (mph) | Daily Max Wind (mph) | Time of Max Wind | Max Wind Dir (°) | Daily Rain (In) | Season Precip (In) | Daily ETo (in) | Daily Solar Rad (Cal/cm2) | Powdery Mildew Stress (pts) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mt. Veeder | 5/30/26 | 70.4 6.4 | 1509 | 45.9 5.5 | 0545 | 48.1 1.2 | 100 6 | 38 24 | 1.8 | 12.8 1.1 | 1505 | SE | 145 | 0.00 | 34.60 | 0.156 0.023 | 550 44 | 10 10 |
| Mount George (Napa East) | 5/30/26 | 76.0 7.2 | 1448 | 49.3 3.7 | 0101 | 50.6 1.5 | 93 2 | 35 20 | 1.6 | 11.5 2.0 | 1622 | SSE | 154 | 0.00 | 17.28 | 0.170 0.022 | 596 58 | 0 0 |
| Napa-East (Palmaz 300') | 5/30/26 | 78.6 5.3 | 1633 | 49.9 2.2 | 0059 | 50.4 1.7 | 93 1 | 34 13 | 1.9 | 11.6 0.5 | 1530 | SW | 231 | 0.00 | 23.52 | 0.170 0.028 | 559 83 | 20 20 |
| Napa-East (Palmaz 1200') | 5/29/26 | 65.2 1.9 | 1609 | 48.2 1.2 | 2345 | 45.6 0.6 | 100 0 | 29 23 | 2.1 | 13.0 3.9 | 1512 | NW | 320 | - | - | 0.146 0.006 | 558 22 | 20 10 |
| Napa-East (Palmaz 1400') | 5/30/26 | 71.3 5.8 | 1512 | 47.1 0.6 | 0247 | 49.3 1.8 | 100 0 | 40 22 | 2.6 | 13.2 1.2 | 1652 | SW | 216 | 0.00 | 31.03 | 0.169 0.036 | 630 112 | 10 10 |
| Wooden Valley | 5/30/26 | 74.4 5.1 | 1511 | 47.9 2.9 | 2355 | 48.8 2.0 | 95 2 | 34 19 | 3.6 | 15.8 2.6 | 1848 | W | 261 | 0.00 | 29.46 | 0.197 0.049 | 695 156 | 20 10 |
| Napa-West Upper (Truchard) | 5/30/26 | 77.3 7.0 | 1606 | 49.4 0.4 | 0122 | 13.0 28.4 | 100 0 | 0 0 | 3.2 | 16.5 0.7 | 1725 | SSW | 196 | 0.00 | 24.70 | 0.188 0.016 | 600 2 | 20 20 |
| Napa-West Lower (Truchard) | 5/30/26 | 79.5 8.0 | 1602 | 45.8 4.2 | 0050 | 49.8 1.7 | 95 2 | 31 19 | - | - | - | - | - | - | - | - | 30 20 |
| Napa-South (Toyon Farms) | 5/30/26 | 77.0 7.9 | 1615 | 51.1 0.0 | 0109 | 52.6 0.8 | 100 1 | 43 19 | 2.6 | 15.5 0.8 | 1509 | S | 177 | 0.00 | 18.70 | 0.109 0.018 | 348 17 | 0 10 |
| Toyon Remote 1 | 5/30/26 | 80.2 9.7 | 1629 | 46.3 4.1 | 0023 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 5/30/26 | 76.7 7.6 | 1712 | 48.7 2.9 | 0036 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 5/30/26 | 79.8 9.3 | 1615 | 48.6 2.6 | 0059 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 5/30/26 | 77.5 8.6 | 1604 | 50.9 0.2 | 0010 | 49.6 1.4 | 94 0 | 34 19 | 2.5 | 13.1 3.0 | 1617 | SW | 232 | 0.00 | 23.81 | 0.177 0.020 | 604 40 | 30 20 |
| Carneros (Saintsbury) | 5/30/26 | 75.9 7.8 | 1638 | 48.8 0.5 | 0112 | 49.9 1.3 | 100 0 | 35 20 | 4.2 | 17.4 0.5 | 1747 | WSW | 238 | 0.00 | 8.94 | - | - | 10 10 |
| Suscol Lower (Ranch 35) | 5/30/26 | 74.8 5.3 | 1606 | 51.4 0.4 | 0027 | 49.9 0.7 | - | - | 4.0 | 14.0 1.5 | 1610 | SSW | 198 | 0.00 | 23.25 | 0.162 0.013 | 529 32 | 10 10 |
| Suscol Mtn (Ranch 93) | 5/30/26 | 76.4 3.9 | 1458 | 49.2 0.2 | 0259 | 50.6 0.8 | 100 1 | 37 18 | 4.7 | 16.3 5.4 | 1821 | NW | 318 | 0.00 | 19.27 | - | - | 20 20 |
| Suscol Upper (Ranch 92) | 5/30/26 | 73.1 6.0 | 1613 | 49.8 0.2 | 0252 | 48.6 5.3 | 100 0 | 3 0 | 0.8 | 14.7 0.9 | 1833 | SW | 214 | 0.00 | 22.76 | - | - | 10 10 |
| Stanly (Ranch 45) | 5/30/26 | 77.7 8.8 | 1732 | 50.8 0.3 | 0033 | 50.3 0.9 | 92 0 | 29 23 | 4.6 | 16.9 0.5 | 1615 | SW | 223 | 0.00 | 22.51 | 0.196 0.017 | 645 19 | 30 20 |
| Carneros Upper (Ranch 81) | 5/30/26 | 75.9 6.6 | 1545 | 50.8 0.3 | 0102 | 38.0 2.3 | - | - | 5.7 | 21.8 2.8 | 1806 | W | 273 | - | - | - | - | 10 10 |
| Carneros (Mitsuko) | 5/30/26 | 76.2 7.6 | 1626 | 45.0 6.2 | 0034 | - | - | - | - | - | - | - | - | - | - | - | 10 10 |
| Carneros Lower (Ranch 81) | 5/30/26 | 79.8 10.3 | 1700 | 48.8 2.5 | 0058 | 50.6 1.8 | 94 0 | 33 23 | 1.2 | 12.6 3.9 | 1303 | SSE | 165 | 0.00 | 19.55 | 0.158 0.016 | 541 40 | 10 10 |
| Carneros (Milton Rd) | 5/30/26 | 75.8 6.7 | 1707 | 47.5 4.3 | 0059 | 50.2 1.3 | 93 0 | 35 18 | - | - | - | - | 0.00 | 18.07 | - | - | 10 10 |
| Max | 80.2 | - | 51.4 | - | 52.6 | 100 | 43 | 5.7 | 21.8 | - | - | 0.00 | 34.60 | 0.197 | 695 | - | |
| Avg | - | - | - | - | 47.1 | - | - | 3.0 | - | - | - | - | - | - | - | - | |
| Min | 70.4 | - | 45.0 | - | 13.0 | 92 | 0 | 0.8 | 11.5 | - | - | 0.00 | 8.94 | 0.109 | 348 | - |