| 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 | 3/29/26 | 81.0 0.2 | 1514 | 46.7 2.6 | 0547 | - | - | - | - | - | - | - | 0.00 | 42.33 | - | - | 100 0 |
| Pope Valley (Weeks Lake) | 3/29/26 | 87.9 4.1 | 1538 | 36.5 1.5 | 0709 | 42.7 0.0 | 100 0 | 13 4 | 1.5 | 13.8 4.0 | 1517 | SW | 233 | 0.00 | 21.60 | 0.157 0.006 | 459 22 | 90 10 |
| Whiskey River Winery | 12/13/25 | 52.8 3.6 | 1548 | 37.3 0.3 | 0759 | 36.3 2.0 | 88 11 | 68 4 | 0.0 | 0.0 2.4 | 0001 | SE | 128 | 0.00 | 7.07 | - | - | - |
| Dollarhide Base | 3/29/26 | 90.0 2.5 | 1321 | 45.4 3.6 | 0650 | 47.9 0.9 | 100 2 | 17 3 | 2.4 | 17.3 3.1 | 1619 | WSW | 237 | 0.00 | 19.16 | 0.190 0.010 | 520 24 | 80 10 |
| Dollarhide 1AS Remote | 3/14/26 | 81.7 1.0 | 1452 | 37.8 5.1 | 0742 | 46.2 3.0 | 95 0 | 28 2 | 1.7 | 12.6 2.7 | 1558 | SW | 228 | - | - | - | - | 100 0 |
| Dollarhide 17B Remote | 3/29/26 | 89.2 2.3 | 1454 | 41.2 2.7 | 0705 | 47.4 0.4 | 100 1 | 19 3 | - | - | - | - | - | - | - | - | 80 10 |
| Dollarhide 18A Remote | 3/29/26 | 90.6 2.7 | 1502 | 35.6 1.2 | 0710 | 44.2 0.7 | 100 1 | 16 3 | - | - | - | - | - | - | - | - | 80 10 |
| Angwin | 3/29/26 | 80.0 1.6 | 1442 | 62.1 2.1 | 0211 | 31.8 4.5 | 33 16 | 14 4 | 4.4 | 14.7 3.6 | 0351 | N | 349 | 0.00 | 38.60 | 0.081 0.017 | 0 0 | 100 10 |
| Lower Angwin (Pioneer) | 3/29/26 | 81.3 1.0 | 1508 | 50.8 5.0 | 2130 | - | - | - | 3.1 | 13.9 3.4 | 1313 | WNW | 302 | - | - | - | - | 100 0 |
| Deer Park | 3/29/26 | 87.6 2.4 | 1509 | 61.9 11.4 | 0624 | 38.0 5.2 | 46 18 | 12 10 | 2.8 | 12.7 2.8 | 1341 | WNW | 297 | 0.00 | 23.61 | 0.158 0.030 | 344 0 | 90 10 |
| Lower Chiles Valley (Brown) | 3/29/26 | 85.8 0.7 | 1521 | 41.4 4.4 | 0441 | 42.2 1.1 | 100 2 | 11 4 | 1.6 | 14.7 3.7 | 1537 | NW | 322 | 0.00 | 20.67 | 0.167 0.002 | 495 25 | 100 0 |
| Moss Creek Vineyard/Reservior | 3/29/26 | 89.4 5.2 | 1439 | 44.5 3.5 | 0644 | 44.1 0.9 | 100 3 | 12 7 | - | - | - | - | 0.00 | 23.37 | - | - | 70 10 |
| Max | 90.6 | - | 62.1 | - | 47.9 | 100 | 19 | 4.4 | 17.3 | - | - | 0.00 | 42.33 | 0.190 | 520 | - | |
| Avg | - | - | - | - | 42.3 | - | - | 2.7 | - | - | - | - | - | - | - | - | |
| Min | 80.0 | - | 35.6 | - | 31.8 | 33 | 11 | 1.5 | 12.7 | - | - | 0.00 | 19.16 | 0.081 | 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 | 3/29/26 | 92.2 3.3 | 1518 | 45.9 4.3 | 0704 | 45.7 1.0 | 91 1 | 17 7 | - | - | - | - | 0.00 | 27.89 | - | - | 30 10 |
| Fotsch (Maple Lane) | 3/9/26 | 75.9 3.7 | 1625 | 41.4 5.5 | 0743 | 44.5 1.8 | 97 3 | 26 3 | 3.3 | 15.6 1.3 | 1413 | WSW | 249 | 0.00 | 26.01 | - | - | 0 0 |
| Diamond Mtn (Schramsberg) | 3/29/26 | 86.2 1.8 | 1501 | 62.6 10.1 | 0008 | 37.7 3.5 | 40 13 | 14 8 | - | - | - | - | 0.00 | 26.40 | - | - | 100 0 |
| Diamond Mtn (McEachran) | 3/29/26 | 86.7 0.1 | 1525 | 56.4 8.4 | 0528 | 40.0 3.5 | 61 10 | 12 8 | - | - | - | - | - | - | - | - | 70 10 |
| St. Helena-North | 3/29/26 | 91.8 4.4 | 1510 | 46.7 4.8 | 0657 | 40.0 1.8 | 84 0 | 8 10 | 1.8 | 11.2 0.2 | 1255 | NNW | 344 | 0.00 | 26.66 | 0.142 0.002 | 390 17 | 70 10 |
| St. Helena (NVV Office) | 3/29/26 | 91.0 2.5 | 1524 | 48.0 4.5 | 0611 | - | - | - | 1.2 | 9.3 0.3 | 1441 | NW | 325 | 0.00 | 23.51 | - | - | 70 10 |
| Tiara Fria (East St. Helena) | 3/29/26 | 89.5 3.7 | 1516 | 46.8 5.2 | 0642 | 41.7 3.5 | 90 1 | 11 11 | 2.3 | 13.4 3.4 | 1521 | NW | 324 | 0.00 | 21.80 | - | - | 70 10 |
| Rutherford Hill Estate | 3/29/26 | 91.5 4.8 | 1512 | 58.1 9.0 | 0632 | 41.2 4.2 | 72 0 | 12 13 | 1.5 | 10.7 2.2 | 1613 | W | 262 | 0.00 | 21.35 | 0.148 0.008 | 414 20 | 90 10 |
| Rutherford-North (Mee Ln) | 3/29/26 | 90.1 5.5 | 1536 | 46.6 7.0 | 0606 | 43.8 2.9 | 90 3 | 13 14 | 2.3 | 11.4 1.1 | 1426 | W | 263 | 0.00 | 20.49 | 0.159 0.007 | 432 21 | 90 10 |
| Rutherford (STS) | 3/29/26 | 91.8 4.7 | 1545 | 47.7 7.1 | 0652 | 46.6 2.4 | 91 1 | 17 12 | 2.6 | 11.4 0.1 | 1431 | W | 275 | 0.00 | 21.65 | 0.182 0.011 | 512 25 | 70 10 |
| Oakville-NE (Ranch 88) | 3/29/26 | 91.2 6.7 | 1535 | 43.2 4.3 | 0622 | 40.9 1.9 | 88 3 | 10 12 | 1.8 | 11.8 0.7 | 1426 | SSE | 166 | 0.00 | 21.19 | 0.171 0.002 | 494 21 | 0 0 |
| OV561-East | 3/29/26 | 91.0 5.0 | 1556 | 44.3 4.1 | 0649 | - | - | - | - | - | - | - | - | - | - | - | 90 10 |
| Oakville | 3/29/26 | 89.4 6.1 | 1533 | 44.4 5.1 | 0645 | 43.7 2.1 | 96 0 | 12 14 | 2.5 | 14.8 3.5 | 1436 | SSE | 152 | 0.00 | 21.73 | 0.181 0.013 | 495 21 | 90 10 |
| OV518-West | 3/29/26 | 88.1 4.6 | 1533 | 44.9 4.5 | 0705 | - | - | - | - | - | - | - | - | - | - | - | 90 10 |
| To Kalon Remote (TKKE) | 3/29/26 | 90.7 3.9 | 1508 | 46.0 7.9 | 0456 | - | - | - | - | - | - | - | - | - | - | - | 70 10 |
| To Kalon | 3/29/26 | 90.0 5.7 | 1514 | 46.2 6.0 | 0558 | 43.0 2.9 | 93 0 | 12 13 | 2.4 | 12.8 1.8 | 1348 | S | 177 | 0.00 | 23.62 | 0.169 0.012 | 457 20 | 90 10 |
| To Kalon Remote (TKN5) | 3/29/26 | 90.5 4.3 | 1528 | 44.7 6.6 | 0724 | - | - | - | - | - | - | - | - | - | - | - | 70 10 |
| Yountville (Ranch 67) | 3/29/26 | 89.6 7.8 | 1525 | 44.3 5.2 | 0622 | 44.4 1.4 | 95 1 | 12 14 | 2.1 | 10.5 1.4 | 1759 | W | 269 | 0.00 | 19.96 | 0.170 0.003 | 518 31 | 90 10 |
| Stags Leap Dist (Silverado Vineyards) | 3/29/26 | 88.6 7.4 | 1521 | 45.3 6.3 | 0438 | 44.4 1.3 | 94 2 | 13 16 | 1.0 | 8.1 5.4 | 1312 | SSE | 164 | 0.00 | 23.91 | 0.152 0.014 | 492 19 | 100 0 |
| Borreo (Soda Canyon) | 3/29/26 | 87.1 7.0 | 1530 | 46.5 5.0 | 0545 | 43.5 1.1 | 90 2 | 13 15 | 1.8 | 9.4 1.4 | 1427 | SSW | 200 | 0.00 | 23.83 | 0.166 0.009 | 508 24 | 100 0 |
| Wappo Hill Floor | 3/29/26 | 90.5 6.5 | 1533 | 40.9 4.2 | 0615 | 45.8 0.0 | 100 0 | 15 13 | 1.4 | 9.4 1.7 | 1307 | ESE | 113 | 0.00 | 23.28 | 0.155 0.005 | 461 26 | 90 10 |
| Stags Leap Dist (Chimney Rock) | 3/29/26 | 88.7 6.4 | 1550 | 43.1 4.1 | 0610 | 46.9 0.2 | 100 1 | 19 13 | 1.7 | 10.2 0.2 | 1550 | SSW | 202 | 0.00 | 22.51 | 0.151 0.004 | 439 21 | 90 10 |
| Yountville-South (Ranch 87) | 3/29/26 | 90.1 7.3 | 1602 | 44.2 4.5 | 0659 | 45.9 1.2 | 100 0 | 15 15 | 1.5 | 10.0 0.5 | 1436 | SE | 138 | 0.00 | 23.66 | 0.141 0.006 | 397 6 | 40 10 |
| Yountville-SE (Ranch 85) | 3/29/26 | 89.1 6.5 | 1513 | 44.4 3.6 | 0708 | 47.0 0.1 | 98 2 | 17 11 | 1.1 | 8.8 1.0 | 1425 | SE | 146 | 0.00 | 22.19 | - | 0 0 | 90 10 |
| Oak Knoll-East (Ranch 53) | 3/29/26 | 91.1 7.8 | 1557 | 45.0 4.1 | 0638 | 43.9 0.8 | 94 5 | 11 16 | 1.4 | 12.8 3.5 | 1433 | S | 169 | 0.00 | 20.46 | 0.156 0.007 | 450 20 | 40 10 |
| Napa-NW (Ranch 54) | 3/29/26 | 89.7 6.6 | 1459 | 45.3 2.4 | 0645 | 43.0 2.6 | 91 5 | 12 16 | 1.7 | 11.4 1.2 | 1426 | S | 180 | 0.00 | 22.69 | - | 0 0 | 90 10 |
| Napa-North (Ranch 29) | 3/29/26 | 90.2 8.1 | 1546 | 45.7 3.0 | 0633 | 46.6 0.7 | 100 0 | 12 17 | 1.5 | 12.0 1.5 | 1621 | SW | 220 | 0.00 | 20.32 | 0.118 0.009 | 294 14 | 90 10 |
| Max | 92.2 | - | 62.6 | - | 47.0 | 100 | 19 | 2.6 | 14.8 | - | - | 0.00 | 27.89 | 0.182 | 518 | - | |
| Avg | - | - | - | - | 43.6 | - | - | 1.8 | - | - | - | - | - | - | - | - | |
| Min | 86.2 | - | 40.9 | - | 37.7 | 40 | 8 | 1.0 | 8.1 | - | - | 0.00 | 19.96 | 0.118 | 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 | 3/29/26 | 83.3 2.9 | 1423 | 65.5 3.4 | 0609 | 36.1 4.7 | 39 16 | 16 8 | 1.5 | 8.9 0.9 | 1346 | N | 354 | 0.00 | 29.29 | 0.163 0.022 | 512 63 | 100 0 |
| Mount George (Napa East) | 3/29/26 | 87.5 7.0 | 2052 | 44.5 3.6 | 0713 | 44.7 0.4 | 95 2 | 15 15 | 1.1 | 9.6 1.5 | 1544 | ESE | 106 | 0.00 | 11.88 | 0.156 0.010 | 493 15 | 90 10 |
| Napa-East (Palmaz 300') | 3/29/26 | 88.6 6.5 | 1544 | 47.7 4.5 | 0641 | 44.6 1.6 | 95 3 | 17 10 | 2.1 | 10.4 0.8 | 2044 | NE | 55 | 0.00 | 18.31 | 0.161 0.015 | 454 16 | 90 10 |
| Napa-East (Palmaz 1200') | 3/29/26 | 83.5 6.7 | 1544 | 50.9 5.5 | 0609 | 40.3 3.6 | 67 13 | 19 10 | 2.8 | 14.7 5.1 | 1508 | W | 263 | - | - | 0.168 0.016 | 491 14 | 100 0 |
| Napa-East (Palmaz 1400') | 3/29/26 | 83.4 4.4 | 1416 | 53.8 8.1 | 0729 | 40.1 3.9 | 61 20 | 20 8 | 2.9 | 12.5 2.5 | 0232 | N | 1 | 0.00 | 24.80 | 0.174 0.019 | 496 8 | 100 0 |
| Wooden Valley | 3/29/26 | 84.5 2.1 | 1320 | 43.9 3.6 | 0500 | 44.8 2.0 | 96 0 | 21 9 | 2.0 | 12.0 3.6 | 1519 | W | 279 | 0.00 | 24.00 | 0.167 0.012 | 508 9 | 100 0 |
| Napa-West Upper (Truchard) | 3/29/26 | 89.9 7.0 | 1521 | 54.4 5.3 | 0711 | 44.5 1.3 | 80 1 | 13 17 | 2.7 | 15.5 4.4 | 1547 | SSW | 213 | 0.00 | 20.16 | 0.192 0.028 | 499 15 | 90 10 |
| Napa-West Lower (Truchard) | 3/29/26 | 92.4 7.3 | 1449 | 41.7 4.6 | 0628 | 45.2 0.8 | 100 0 | 12 17 | - | - | - | - | - | - | - | - | 90 10 |
| Napa-South (Toyon Farms) | 3/29/26 | 88.1 6.3 | 1539 | 49.8 4.0 | 0639 | 50.3 0.5 | 98 5 | 23 12 | 3.0 | 14.6 5.2 | 1540 | SW | 218 | 0.00 | 13.94 | 0.109 0.026 | 230 6 | 90 10 |
| Toyon Remote 1 | 3/29/26 | 88.8 7.5 | 1452 | 40.2 3.5 | 0656 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 3/29/26 | 87.6 6.7 | 1451 | 42.9 3.9 | 0706 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 3/29/26 | 90.4 7.9 | 1454 | 43.3 3.6 | 0648 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 3/29/26 | 88.4 6.3 | 1516 | 47.8 4.1 | 0621 | 45.0 1.5 | 93 2 | 16 14 | 2.6 | 12.9 3.0 | 1847 | W | 262 | 0.00 | 19.35 | 0.177 0.022 | 502 23 | 90 10 |
| Carneros (Saintsbury) | 3/29/26 | 87.1 6.0 | 1459 | 45.5 3.1 | 0704 | 46.0 0.3 | 95 5 | 19 12 | 2.9 | 14.8 5.8 | 1842 | WNW | 282 | 0.00 | 5.62 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 3/29/26 | 88.1 7.4 | 1558 | 46.5 3.7 | 0637 | 44.4 0.9 | - | - | 3.8 | 14.3 2.3 | 1635 | W | 259 | 0.00 | 18.31 | 0.176 0.024 | 464 13 | 90 10 |
| Suscol Mtn (Ranch 93) | 3/29/26 | 85.9 7.0 | 1423 | 62.6 9.5 | 0222 | 38.6 4.6 | 61 2 | 15 14 | 5.6 | 19.7 8.7 | 1617 | WNW | 294 | 0.00 | 13.80 | - | - | 90 10 |
| Suscol Upper (Ranch 92) | 3/29/26 | 86.1 6.8 | 1523 | 59.7 7.6 | 0431 | 41.4 2.9 | 69 11 | 17 11 | 1.4 | 17.6 8.0 | 1608 | SSW | 213 | 0.00 | 18.16 | - | - | 100 0 |
| Stanly (Ranch 45) | 3/29/26 | 89.2 8.4 | 1543 | 44.1 1.7 | 0721 | 45.2 0.7 | 97 6 | 14 6 | 3.6 | 15.8 5.1 | 1644 | W | 264 | 0.00 | 19.65 | 0.203 0.034 | 536 14 | 90 10 |
| Carneros Upper (Ranch 81) | 3/29/26 | 86.7 4.7 | 1435 | 55.6 4.4 | 0745 | 44.1 0.7 | - | - | 4.9 | 17.3 5.8 | 1512 | WSW | 245 | - | - | - | - | 90 10 |
| Carneros (Mitsuko) | 3/29/26 | 86.7 5.8 | 1456 | 39.8 2.4 | 0649 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 3/29/26 | 92.7 7.2 | 1525 | 44.5 2.9 | 0703 | 45.0 0.7 | 100 0 | 0 0 | 1.0 | 7.1 1.0 | 1814 | NW | 324 | 0.00 | 16.94 | 0.130 0.008 | 406 8 | 0 0 |
| Carneros (Milton Rd) | 3/29/26 | 88.2 7.4 | 1522 | 42.6 2.7 | 0649 | 45.8 1.2 | 95 3 | 15 6 | - | - | - | - | 0.00 | 17.00 | - | - | 50 10 |
| Max | 92.7 | - | 65.5 | - | 50.3 | 100 | 23 | 5.6 | 19.7 | - | - | 0.00 | 29.29 | 0.203 | 536 | - | |
| Avg | - | - | - | - | 43.7 | - | - | 2.7 | - | - | - | - | - | - | - | - | |
| Min | 83.3 | - | 39.8 | - | 36.1 | 39 | 0 | 1.0 | 7.1 | - | - | 0.00 | 5.62 | 0.109 | 230 | - |