| 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 | 8/13/26 | 75.2 12.8 | 1638 | 48.8 5.2 | 0636 | - | - | - | - | - | - | - | 0.00 | 0.00 | - | - | 30 10 |
| Pope Valley (Weeks Lake) | 8/13/26 | 79.1 10.4 | 1627 | 52.4 4.4 | 0304 | 53.0 1.2 | 94 6 | 43 21 | 3.0 0.8 | 18.2 4.2 | 1329 | SE | 128 | 0.00 | 0.00 | 0.164 0.029 | 533 31 | 20 20 |
| Dollarhide Base | 8/13/26 | 79.7 12.1 | 1448 | 56.4 2.8 | 0530 | 55.9 0.4 | 92 3 | 48 27 | 5.1 1.4 | 19.0 3.7 | 1841 | SSE | 168 | 0.00 | 0.00 | 0.181 0.049 | 581 49 | 20 20 |
| Dollarhide 1AS Remote | 8/13/26 | 80.9 12.3 | 1548 | 56.9 7.0 | 0711 | 55.4 1.1 | 89 3 | 46 25 | 5.5 2.0 | 19.4 1.5 | 1825 | SSE | 149 | - | - | - | - | 20 20 |
| Dollarhide 16A Remote | 8/13/26 | 78.1 11.4 | 1530 | 56.5 3.7 | 0626 | 56.1 0.1 | 93 3 | 51 28 | - | - | - | - | - | - | - | - | 20 20 |
| Dollarhide 18A Remote | 8/13/26 | 78.3 11.6 | 1703 | 56.0 7.9 | 0709 | 55.0 1.2 | 91 6 | 48 26 | - | - | - | - | - | - | - | - | 20 20 |
| Hardin Rd (Eakle) | 8/13/26 | 79.8 10.8 | 1452 | 56.9 5.7 | 0613 | - | - | - | - | - | - | - | - | - | - | - | 20 20 |
| Angwin | 8/13/26 | 70.6 9.9 | 1615 | 49.6 6.8 | 0543 | 51.8 1.3 | 100 22 | 54 22 | 3.3 0.6 | 15.1 1.0 | 1512 | SE | 145 | 0.00 | 0.00 | 0.025 0.022 | 0 0 | 90 10 |
| Lower Angwin (Pioneer) | 8/13/26 | 72.1 10.2 | 1610 | 51.3 5.8 | 0731 | - | - | - | 3.3 1.2 | 12.4 0.7 | 1436 | SW | 227 | - | - | - | - | 50 10 |
| Las Posadas (Cal Fire) | 8/13/26 | 74.0 10.2 | 1512 | 52.0 3.0 | 0640 | 53.5 0.5 | 100 1 | 51 25 | 9.1 0.2 | 21.1 1.3 | 1644 | SSW | 209 | 0.00 | 0.00 | 0.144 0.061 | 475 94 | - |
| Deer Park | 8/13/26 | 77.3 10.1 | 1547 | 54.6 1.6 | 0633 | 53.6 0.2 | 93 2 | 45 13 | 3.9 0.8 | 18.3 4.4 | 1651 | SSE | 152 | 0.00 | 0.00 | 0.127 0.020 | 349 40 | 0 0 |
| Lower Chiles Valley (Brown) | 8/13/26 | 75.0 12.5 | 1624 | 52.9 0.4 | 0449 | 53.4 0.7 | 94 6 | 46 30 | 3.0 0.6 | 17.6 1.7 | 1505 | S | 179 | 0.00 | 0.00 | 0.149 0.047 | 511 97 | 0 0 |
| Moss Creek Vineyard/Reservior | 8/13/26 | 75.6 13.5 | 1624 | 54.4 3.5 | 0535 | 53.0 2.6 | 90 3 | 44 30 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Max | 80.9 | - | 56.9 | - | 56.1 | 100 | 54 | 9.1 | 21.1 | - | - | 0.00 | 0.00 | 0.181 | 581 | - | |
| Avg | - | - | - | - | 54.1 | - | - | 4.5 | - | - | - | - | - | - | - | - | |
| Min | 70.6 | - | 48.8 | - | 51.8 | 89 | 43 | 3.0 | 12.4 | - | - | 0.00 | 0.00 | 0.025 | 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 | 8/13/26 | 83.1 4.0 | 1602 | 55.8 4.3 | 0353 | 55.3 0.3 | 92 3 | 42 3 | - | - | - | - | 0.00 | 0.00 | - | - | 40 20 |
| Diamond Mtn (Schramsberg) | 8/13/26 | 75.6 9.6 | 1519 | 54.0 3.5 | 0540 | 52.8 0.8 | 100 0 | 48 12 | - | - | - | - | 0.00 | 0.00 | - | - | 10 10 |
| Diamond Mtn (McEachran) | 8/13/26 | 77.7 6.2 | 1505 | 54.9 3.1 | 0559 | 53.7 0.2 | 92 4 | 45 7 | - | - | - | - | - | - | - | - | 40 20 |
| St. Helena-North | 8/13/26 | 79.2 10.3 | 1607 | 56.4 1.6 | 2336 | 52.1 0.2 | 80 4 | 39 11 | 3.1 | 16.7 3.7 | 1701 | SE | 131 | 0.00 | 0.00 | 0.158 0.014 | 470 39 | 20 20 |
| St. Helena (NVV Office) | 8/13/26 | 79.1 10.4 | 1511 | 57.8 3.2 | 2329 | - | - | - | 2.0 | 12.5 1.6 | 1718 | ESE | 118 | 0.00 | 0.00 | - | - | 20 20 |
| Tiara Fria (East St. Helena) | 8/13/26 | 76.5 9.0 | 1455 | 57.7 4.5 | 0509 | 54.2 0.1 | 85 3 | 48 15 | 3.3 | 18.0 3.5 | 1707 | ESE | 121 | 0.00 | 0.00 | - | - | 50 10 |
| Prisoner Winery | 8/13/26 | 80.5 9.7 | 1604 | 54.8 1.8 | 2359 | 54.2 0.3 | 93 3 | 41 11 | 2.0 | 12.5 3.0 | 1620 | SE | 141 | 0.00 | 0.00 | 0.123 0.068 | 336 219 | 20 20 |
| Rutherford Hill Estate | 8/13/26 | 76.1 11.5 | 1637 | 55.5 2.0 | 0159 | 54.1 0.2 | 92 3 | 47 17 | 2.2 | 21.3 5.3 | 1836 | E | 86 | 0.00 | 0.00 | 0.138 0.022 | 451 47 | 30 10 |
| Rutherford-North (Mee Ln) | 8/13/26 | 76.6 8.3 | 1558 | 55.0 5.3 | 2357 | 53.9 0.3 | 89 2 | 47 14 | 4.7 | 24.8 8.1 | 1725 | E | 80 | 0.00 | 0.00 | 0.143 0.024 | 414 54 | 50 10 |
| Rutherford (STS) | 8/13/26 | 78.7 9.9 | 1533 | 55.1 6.0 | 2341 | 56.3 0.4 | 92 0 | 50 14 | 3.2 | 18.0 2.9 | 1810 | ESE | 108 | 0.00 | 0.00 | 0.155 0.029 | 495 69 | 20 20 |
| Oakville-NE (Ranch 88) | 8/13/26 | 76.5 9.5 | 1546 | 56.5 7.4 | 0445 | 52.8 1.0 | 85 0 | 44 14 | 3.7 | 20.5 3.4 | 1605 | SSE | 163 | 0.00 | 0.00 | 0.146 0.034 | 426 91 | 100 0 |
| OV561-East | 8/13/26 | 78.6 6.5 | 1616 | 56.5 5.1 | 0427 | - | - | - | - | - | - | - | - | - | - | - | 80 20 |
| Oakville | 8/13/26 | 74.2 8.5 | 1709 | 56.0 6.8 | 0429 | 53.8 0.6 | 88 4 | 49 14 | 4.9 | 20.2 2.0 | 1735 | ESE | 123 | 0.00 | 0.00 | 0.148 0.042 | 462 112 | 90 10 |
| OV518-West | 8/13/26 | 74.4 8.4 | 1414 | 55.9 6.1 | 0001 | - | - | - | - | - | - | - | - | - | - | - | 90 10 |
| To Kalon Remote (TKKE) | 8/13/26 | 77.7 8.1 | 1703 | 55.7 5.5 | 0015 | - | - | - | - | - | - | - | - | - | - | - | 80 20 |
| To Kalon | 8/13/26 | 75.8 8.6 | 1659 | 55.9 5.6 | 0013 | 54.6 0.1 | 91 2 | 48 13 | 4.8 | 19.6 2.3 | 1808 | ESE | 122 | 0.00 | 0.00 | 0.144 0.039 | 427 108 | 50 10 |
| To Kalon Remote (TKN5) | 8/13/26 | 78.2 8.1 | 1635 | 56.5 5.9 | 2353 | - | - | - | - | - | - | - | - | - | - | - | 80 20 |
| Yountville (Ranch 67) | 8/13/26 | 73.1 8.3 | 1557 | 54.6 6.7 | 0222 | 53.0 0.8 | 89 2 | 49 13 | 4.1 | 20.7 3.5 | 1449 | SSE | 150 | 0.00 | 0.00 | 0.143 0.046 | 492 140 | 90 10 |
| Stags Leap Dist (Silverado Vineyards) | 8/13/26 | 74.8 7.0 | 1645 | 55.1 6.6 | 0425 | 53.2 0.9 | 89 3 | 48 13 | 3.4 | 18.7 0.4 | 1520 | S | 185 | 0.00 | 0.00 | 0.125 0.053 | 390 162 | 100 0 |
| Borreo (Soda Canyon) | 8/13/26 | 71.0 8.9 | 1554 | 53.0 4.4 | 0220 | 53.0 1.4 | 93 3 | 52 21 | 2.3 | 14.4 2.6 | 1400 | SSE | 147 | 0.00 | 0.00 | 0.118 0.062 | 406 192 | 100 0 |
| Wappo Hill Floor | 8/13/26 | 74.9 7.5 | 1643 | 54.9 6.8 | 0443 | 54.3 0.4 | 92 8 | 50 13 | 3.4 | 17.5 1.9 | 1448 | SE | 142 | 0.00 | 0.00 | 0.132 0.050 | 419 146 | 80 10 |
| Stags Leap Dist (Chimney Rock) | 8/13/26 | 73.5 8.4 | 1654 | 56.3 8.4 | 0353 | 55.9 1.0 | 92 6 | 57 12 | 3.3 | 17.2 3.4 | 1635 | SE | 126 | 0.00 | 0.00 | 0.113 0.046 | 369 129 | 90 10 |
| Yountville-South (Ranch 87) | 8/13/26 | 76.2 6.0 | 1634 | 53.1 4.5 | 0423 | 54.6 0.8 | 99 1 | 48 9 | 2.3 | 16.1 3.3 | 1500 | SSE | 158 | 0.00 | 0.00 | 0.124 0.049 | 399 157 | 80 20 |
| Yountville-SE (Ranch 85) | 8/13/26 | 73.6 6.6 | 1649 | 55.4 6.4 | 0433 | 55.0 0.7 | 92 3 | 54 13 | 3.0 | 16.8 2.0 | 1443 | SSE | 147 | 0.00 | 0.00 | - | 0 0 | 90 10 |
| Oak Knoll-East (Ranch 53) | 8/13/26 | 73.6 6.8 | 1630 | 54.9 5.0 | 0320 | 54.0 0.9 | 89 4 | 50 14 | 2.9 | 18.0 3.3 | 1450 | SE | 140 | 0.00 | 0.00 | 0.128 0.047 | 419 141 | 80 10 |
| Napa-NW (Ranch 54) | 8/13/26 | 76.4 7.5 | 1641 | 52.4 3.7 | 0258 | 54.2 1.1 | 92 2 | 46 12 | 1.0 | 13.5 5.8 | 1336 | SW | 225 | 0.00 | 0.00 | - | 0 0 | 90 20 |
| Napa-North (Ranch 29) | 8/13/26 | 71.7 5.9 | 1619 | 55.6 4.7 | 0325 | 54.9 0.0 | 100 0 | 56 11 | 3.0 | 19.1 0.7 | 1642 | S | 190 | 0.00 | 0.00 | 0.108 0.017 | 347 42 | 90 10 |
| Max | 83.1 | - | 57.8 | - | 56.3 | 100 | 57 | 4.9 | 24.8 | - | - | 0.00 | 0.00 | 0.158 | 495 | - | |
| Avg | - | - | - | - | 54.1 | - | - | 3.1 | - | - | - | - | - | - | - | - | |
| Min | 71.0 | - | 52.4 | - | 52.1 | 80 | 39 | 1.0 | 12.5 | - | - | 0.00 | 0.00 | 0.108 | 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 | 8/13/26 | 70.2 9.5 | 1548 | 51.7 2.1 | 0434 | 52.6 0.3 | 100 9 | 54 22 | 2.6 | 15.6 1.8 | 1641 | S | 174 | 0.00 | 0.00 | 0.165 0.077 | 733 176 | 60 10 |
| Mount George (Napa East) | 8/13/26 | 72.6 6.7 | 1551 | 58.2 8.6 | 0254 | 55.8 3.1 | 92 6 | 50 10 | 2.3 | 16.2 4.7 | 1537 | SE | 146 | 0.00 | 0.00 | 0.133 0.038 | 459 108 | 90 10 |
| Napa-East (Palmaz 300') | 8/13/26 | 75.1 9.5 | 1546 | 55.2 5.5 | 0257 | 54.2 1.2 | 91 9 | 47 14 | 2.1 | 16.3 3.6 | 1620 | SSW | 212 | 0.00 | 0.00 | 0.131 0.029 | 425 63 | 60 10 |
| Napa-East (Palmaz 1200') | 7/3/26 | 79.0 6.0 | 1616 | 49.0 3.8 | 0539 | 47.1 0.2 | 100 0 | 45 38 | 2.0 | 12.7 4.5 | 1533 | NW | 313 | - | - | 0.192 0.009 | 656 3 | 30 20 |
| Napa-East (Palmaz 1400') | 8/13/26 | 69.0 9.4 | 1612 | 52.1 2.3 | 0353 | 53.9 1.6 | 100 0 | 57 24 | 4.1 | 19.6 7.3 | 1459 | SW | 233 | 0.00 | 0.00 | 0.112 0.063 | 433 144 | 90 10 |
| Wooden Valley | 8/13/26 | 72.6 8.8 | 1631 | 54.8 2.0 | 0527 | 52.4 2.7 | 89 1 | 48 25 | 4.3 | 18.0 0.2 | 1304 | SW | 222 | 0.00 | 0.00 | 0.149 0.057 | 522 83 | 50 10 |
| Napa-West Upper (Truchard) | 8/13/26 | 74.7 5.7 | 1615 | 52.3 3.5 | 0243 | 49.6 28.8 | 100 0 | 0 0 | 4.9 | 19.5 2.8 | 1408 | SSE | 164 | 0.00 | 0.00 | 0.142 0.040 | 450 102 | 90 10 |
| Napa-West Lower (Truchard) | 8/13/26 | 74.7 4.9 | 1618 | 48.5 4.6 | 0255 | 53.8 2.3 | 93 1 | 49 11 | - | - | - | - | - | - | - | - | 90 10 |
| Napa-South (Toyon Farms) | 8/13/26 | 73.0 5.6 | 1605 | 53.4 3.4 | 0229 | 56.2 0.7 | 97 3 | 60 10 | 5.7 | 21.0 3.4 | 1445 | SSE | 165 | 0.00 | 0.00 | 0.089 0.011 | 299 11 | 90 10 |
| Toyon Remote 1 | 8/13/26 | 73.3 6.6 | 1608 | 49.8 4.6 | 0253 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 8/13/26 | 72.0 5.3 | 1620 | 51.3 4.3 | 0248 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 8/13/26 | 74.2 4.2 | 1607 | 49.5 4.5 | 0252 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 8/13/26 | 73.5 4.5 | 1603 | 52.0 4.4 | 0215 | 53.9 1.4 | 94 2 | 51 10 | 3.4 | 21.0 6.3 | 1357 | SE | 138 | 0.00 | 0.00 | 0.138 0.030 | 467 83 | 90 10 |
| Carneros (Saintsbury) | 8/13/26 | 72.1 3.7 | 1606 | 51.2 3.7 | 0241 | 53.6 0.9 | 95 4 | 54 11 | 6.5 | 22.9 3.0 | 1420 | SSE | 168 | 0.00 | 0.00 | - | - | 60 10 |
| Suscol Lower (Ranch 35) | 8/13/26 | 71.5 5.8 | 1448 | 54.1 4.0 | 0214 | 54.0 0.4 | 91 9 | 52 7 | 7.0 | 25.0 5.8 | 1507 | SSW | 196 | 0.00 | 0.00 | 0.152 0.014 | 496 26 | 80 10 |
| Suscol Mtn (Ranch 93) | 8/13/26 | 71.9 8.0 | 1541 | 53.4 2.8 | 0305 | 54.2 0.2 | 97 2 | 60 16 | 8.5 | 24.9 8.3 | 1516 | W | 272 | 0.00 | 0.00 | - | - | 90 10 |
| Suscol Upper (Ranch 92) | 8/13/26 | 67.5 9.2 | 1525 | 54.0 2.8 | 0346 | 38.4 31.7 | 100 0 | 0 0 | 6.4 | 24.9 7.8 | 1611 | S | 174 | 0.00 | 0.00 | - | - | 60 10 |
| Stanly (Ranch 45) | 8/13/26 | 70.8 4.8 | 1604 | 53.2 5.0 | 0226 | 54.1 1.0 | 90 3 | 57 10 | 7.4 | 25.0 3.0 | 1457 | S | 190 | 0.00 | 0.00 | 0.162 0.017 | 570 19 | 90 10 |
| Carneros Upper (Ranch 81) | 8/13/26 | 74.7 5.1 | 1509 | 53.8 1.7 | 0201 | 53.7 20.2 | - | - | 8.0 | 25.1 4.9 | 1356 | SSW | 194 | - | - | - | - | 90 10 |
| Carneros (Mitsuko) | 8/13/26 | 72.7 3.6 | 1557 | 50.2 2.1 | 0132 | - | - | - | - | - | - | - | - | - | - | - | 90 10 |
| Carneros Lower (Ranch 81) | 8/13/26 | 74.9 4.7 | 1357 | 53.4 1.5 | 0246 | 54.7 0.8 | 92 1 | 51 8 | 2.5 | 17.0 2.0 | 1452 | S | 174 | 0.00 | 0.00 | 0.141 0.029 | 456 96 | 90 10 |
| Carneros (Milton Rd) | 8/13/26 | 71.8 3.8 | 1551 | 51.9 1.2 | 0230 | 54.3 0.4 | 92 1 | 55 4 | - | - | - | - | 0.00 | 0.00 | - | - | 70 10 |
| Max | 75.1 | - | 58.2 | - | 56.2 | 100 | 60 | 8.5 | 25.1 | - | - | 0.00 | 0.00 | 0.165 | 733 | - | |
| Avg | - | - | - | - | 52.9 | - | - | 5.1 | - | - | - | - | - | - | - | - | |
| Min | 67.5 | - | 48.5 | - | 38.4 | 89 | 0 | 2.1 | 15.6 | - | - | 0.00 | 0.00 | 0.089 | 299 | - |