Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | 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 | 5/18/25 | 76.4 5.2 | 1414 | 40.0 2.4 | 0609 | - | - | - | - | - | - | - | 0.00 | 68.08 | - | - | 100 10 |
Pope Valley (Weeks Lake) | 5/18/25 | 83.3 4.1 | 1535 | 40.5 9.3 | 0603 | 39.8 3.0 | 98 14 | 14 10 | 3.1 | 17.5 8.5 | 1904 | NW | 318 | 0.00 | 33.49 | 0.223 0.011 | 638 71 | 100 0 |
Whiskey River Winery | 5/18/25 | 80.5 4.5 | 1503 | 40.3 6.6 | 0615 | 40.8 2.8 | 95 11 | 13 12 | 3.5 | 17.6 2.5 | 1557 | SSW | 212 | 0.00 | 36.70 | - | - | 100 0 |
Dollarhide Base | 5/18/25 | 83.4 4.6 | 1608 | 46.4 6.2 | 0507 | 44.2 2.1 | 94 13 | 18 12 | 5.2 | 21.6 8.5 | 1927 | NW | 317 | 0.00 | 31.44 | 0.267 0.022 | 727 96 | 100 20 |
Dollarhide 1AS Remote | 5/18/25 | 83.3 4.3 | 1524 | 41.3 6.5 | 0539 | 43.6 3.0 | 94 6 | 19 11 | 2.9 | 17.5 2.2 | 1619 | SSW | 211 | - | - | - | - | 100 0 |
Dollarhide 17B Remote | 5/18/25 | 83.5 4.5 | 1705 | 44.0 5.7 | 0544 | 44.3 2.3 | 97 10 | 19 11 | - | - | - | - | - | - | - | - | 100 0 |
Dollarhide 18A Remote | 5/18/25 | 83.7 4.5 | 1743 | 40.2 6.7 | 0550 | 42.8 3.0 | 97 9 | 18 11 | - | - | - | - | - | - | - | - | 100 0 |
Angwin | 5/18/25 | 73.3 5.2 | 1549 | 49.6 1.7 | 0550 | 38.2 4.2 | 70 12 | 16 23 | 6.1 | 18.9 0.0 | 0833 | NW | 324 | 0.00 | 61.48 | 0.075 0.038 | 0 0 | 10 10 |
Lower Angwin (Pioneer) | 5/18/25 | 73.8 3.8 | 1551 | 43.5 0.7 | 0118 | - | - | - | 3.5 | 16.3 1.8 | 1318 | W | 270 | - | - | - | - | 40 10 |
Deer Park | 5/18/25 | 80.2 4.6 | 1619 | 50.2 0.0 | 0705 | 42.0 2.6 | 76 14 | 20 11 | 5.6 | 20.7 4.4 | 1816 | WNW | 283 | 0.00 | 41.65 | 0.203 0.005 | 488 3 | 100 20 |
Lower Chiles Valley (Brown) | 5/18/25 | 79.6 4.9 | 1605 | 40.1 5.2 | 0626 | 40.7 4.3 | 97 5 | 15 16 | 3.4 | 17.4 5.6 | 1212 | NW | 313 | 0.00 | 28.62 | 0.229 0.013 | 697 37 | 90 20 |
Moss Creek Vineyard/Reservior | 5/18/25 | 84.9 6.4 | 1618 | 44.1 6.4 | 0557 | 41.0 3.4 | 95 9 | 14 12 | - | - | - | - | 0.00 | 20.72 | - | - | 100 0 |
Max | 84.9 | - | 50.2 | - | 44.3 | 98 | 20 | 6.1 | 21.6 | - | - | 0.00 | 68.08 | 0.267 | 727 | - | |
Avg | - | - | - | - | 41.7 | - | - | 4.2 | - | - | - | - | - | - | - | - | |
Min | 73.3 | - | 40.0 | - | 38.2 | 70 | 13 | 2.9 | 16.3 | - | - | 0.00 | 20.72 | 0.075 | 0 | - |
Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | 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 | 5/18/25 | 82.7 5.2 | 1547 | 44.4 4.1 | 0609 | 45.2 2.6 | 93 1 | 26 9 | - | - | - | - | 0.00 | 39.22 | - | - | 100 0 |
Fotsch (Maple Lane) | 5/18/25 | 79.9 4.3 | 1505 | 49.6 1.4 | 0615 | 43.5 2.4 | 80 11 | 22 11 | 6.0 | 23.2 3.4 | 1819 | W | 267 | 0.00 | 44.47 | - | - | 100 0 |
Diamond Mtn (Schramsberg) | 5/18/25 | 80.1 4.0 | 1520 | 47.2 3.2 | 0544 | 42.8 2.7 | 85 10 | 19 13 | - | - | - | - | 0.00 | 43.54 | - | - | 90 20 |
Diamond Mtn (McEachran) | 5/18/25 | 79.5 5.1 | 1544 | 47.5 3.4 | 0553 | 42.0 2.9 | 88 6 | 19 13 | - | - | - | - | - | - | - | - | 90 20 |
St. Helena-North | 5/18/25 | 85.1 6.1 | 1514 | 48.3 3.6 | 0428 | 39.8 3.2 | 80 4 | 13 12 | 2.0 | 15.4 5.7 | 1634 | W | 277 | 0.00 | 39.81 | 0.190 0.003 | 561 8 | 100 0 |
St. Helena (NVV Office) | 5/18/25 | 84.8 5.2 | 1559 | 50.4 2.1 | 0620 | - | - | - | 2.0 | 11.3 4.2 | 1506 | NW | 306 | 0.00 | 40.61 | - | - | 100 20 |
Tiara Fria (East St. Helena) | 5/18/25 | 83.1 4.3 | 1559 | 46.9 5.5 | 0604 | 41.8 3.5 | 86 2 | 17 12 | 5.2 | 20.9 0.1 | 0034 | NNW | 343 | 0.00 | 36.59 | - | - | 100 0 |
Rutherford Hill Estate | 5/18/25 | 86.1 7.5 | 1530 | 48.3 1.5 | 0540 | 43.3 2.7 | 87 2 | 17 12 | 2.8 | 14.9 6.8 | 1719 | W | 271 | 0.00 | 22.70 | 0.206 0.017 | 593 36 | 100 0 |
Rutherford-North (Mee Ln) | 5/18/25 | 84.0 5.2 | 1445 | 42.4 4.6 | 0613 | 41.6 4.0 | 91 5 | 16 12 | 4.1 | 18.6 3.9 | 1618 | NW | 304 | 0.00 | 20.51 | 0.231 0.014 | 626 17 | 90 20 |
Rutherford (STS) | 5/18/25 | 85.4 5.3 | 1438 | 42.2 6.7 | 0552 | 45.0 3.3 | 94 4 | 20 12 | 3.8 | 17.0 8.9 | 1834 | WNW | 299 | 0.00 | 33.72 | 0.246 0.014 | 705 23 | 100 0 |
Oakville-NE (Ranch 88) | 5/18/25 | 85.9 5.7 | 1527 | 40.9 7.1 | 0617 | 39.4 4.9 | 84 1 | 14 11 | 3.3 | 16.6 5.7 | 1657 | NNW | 343 | 0.00 | 31.46 | 0.229 0.012 | 626 15 | 100 0 |
OV561-East | 5/18/25 | 86.0 5.8 | 1632 | 43.0 7.2 | 0628 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
Oakville | 5/18/25 | 83.9 6.3 | 1604 | 42.2 6.2 | 0618 | 40.4 4.6 | 90 6 | 15 13 | 3.5 | 17.4 7.5 | 1725 | WNW | 289 | 0.00 | 32.99 | 0.242 0.010 | 697 16 | 100 0 |
OV518-West | 5/18/25 | 83.9 7.1 | 1501 | 42.7 6.1 | 0613 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
To Kalon Remote (TKKE) | 5/18/25 | 84.7 5.3 | 1521 | 41.7 6.1 | 0611 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
To Kalon | 5/18/25 | 84.2 7.1 | 1450 | 42.8 5.2 | 0553 | 42.2 4.2 | 94 5 | 15 14 | 3.3 | 17.6 2.6 | 1657 | NW | 322 | 0.00 | 37.68 | 0.224 0.013 | 624 11 | 100 0 |
To Kalon Remote (TKN5) | 5/18/25 | 84.3 5.1 | 1509 | 43.1 5.7 | 0559 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
Yountville (Ranch 67) | 5/18/25 | 83.4 6.0 | 1518 | 42.7 6.0 | 0608 | 40.0 4.4 | 88 7 | 13 14 | 3.6 | 18.1 2.1 | 1649 | NW | 311 | 0.00 | 20.84 | 0.243 0.012 | 728 12 | 100 0 |
Stags Leap Dist (Silverado Vineyards) | 5/18/25 | 84.2 4.7 | 1529 | 42.4 6.2 | 0600 | 41.4 4.1 | 94 8 | 14 12 | 1.6 | 10.8 3.4 | 1733 | NW | 324 | 0.00 | 35.97 | 0.213 0.008 | 687 15 | 100 0 |
Borreo (Soda Canyon) | 5/18/25 | 81.9 5.0 | 1644 | 41.7 4.9 | 0602 | 41.0 3.9 | 97 7 | 13 16 | 2.8 | 14.9 0.5 | 1646 | NW | 313 | 0.00 | 34.21 | 0.233 0.027 | 719 39 | 60 60 |
Wappo Hill Floor | 5/18/25 | 84.1 6.3 | 1458 | 42.3 5.9 | 0619 | 42.1 4.3 | 95 10 | 15 15 | 4.4 | 17.8 2.4 | 2145 | N | 3 | 0.00 | 34.90 | 0.252 0.034 | 702 35 | 90 20 |
Stags Leap Dist (Chimney Rock) | 5/18/25 | 85.3 7.5 | 1533 | 42.1 6.8 | 0610 | - | - | - | 3.7 | 17.3 10.1 | 1634 | WNW | 286 | 0.00 | 26.78 | 0.223 0.022 | 613 38 | 100 0 |
Yountville-South (Ranch 87) | 5/18/25 | 83.7 6.2 | 1452 | 43.4 5.3 | 0527 | 43.0 4.2 | 96 6 | 16 15 | 2.7 | 16.7 1.1 | 1535 | WNW | 288 | 0.00 | 34.21 | 0.229 0.012 | 691 22 | 10 10 |
Yountville-SE (Ranch 85) | 5/18/25 | 84.0 6.4 | 1516 | 42.8 6.9 | 0613 | 43.1 4.1 | 94 6 | 15 15 | 3.8 | 16.0 3.0 | 1701 | NW | 307 | 0.00 | 33.42 | - | 0 0 | 100 0 |
Oak Knoll-East (Ranch 53) | 5/18/25 | 84.6 6.0 | 1546 | 43.4 5.5 | 0513 | 41.6 4.4 | 90 4 | 13 13 | 3.1 | 13.6 3.6 | 1425 | SE | 127 | 0.00 | 32.72 | 0.228 0.015 | 659 16 | 60 10 |
Napa-NW (Ranch 54) | 5/18/25 | 83.9 6.8 | 1504 | 43.7 5.7 | 0555 | 42.0 5.0 | 90 3 | 14 19 | 1.7 | 14.1 2.0 | 1609 | W | 280 | 0.00 | 35.15 | - | 0 0 | 100 0 |
Napa-North (Ranch 29) | 5/18/25 | 83.6 7.8 | 1728 | 43.0 8.4 | 0610 | 44.6 3.1 | 100 14 | 19 18 | 2.4 | 17.0 1.1 | 1448 | SSE | 168 | 0.00 | 27.45 | 0.055 0.001 | 0 0 | 100 0 |
Max | 86.1 | - | 50.4 | - | 45.2 | 100 | 26 | 6.0 | 23.2 | - | - | 0.00 | 44.47 | 0.252 | 728 | - | |
Avg | - | - | - | - | 42.2 | - | - | 3.3 | - | - | - | - | - | - | - | - | |
Min | 79.5 | - | 40.9 | - | 39.4 | 80 | 13 | 1.6 | 10.8 | - | - | 0.00 | 20.51 | 0.055 | 0 | - |
Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | 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 | 5/18/25 | 75.4 4.1 | 1533 | 50.2 1.4 | 0214 | 41.1 2.9 | 76 6 | 20 14 | 2.2 | 12.4 2.6 | 1017 | N | 7 | 0.00 | 50.04 | 0.201 0.028 | 666 97 | 70 20 |
Mount George (Napa East) | 5/18/25 | 82.9 5.0 | 1839 | 44.9 5.2 | 0543 | 46.6 5.0 | 96 7 | 22 16 | 1.7 | 12.1 5.4 | 1513 | SW | 226 | 0.00 | 24.20 | 0.213 0.010 | 689 18 | 100 20 |
Napa-East (Palmaz 300') | 5/18/25 | 81.4 5.1 | 1406 | 45.6 4.2 | 0546 | 44.8 3.1 | 68 21 | 45 11 | 2.0 | 15.0 3.0 | 1536 | SSW | 208 | 0.00 | 24.02 | 0.182 0.008 | 550 9 | 100 0 |
Napa-East (Palmaz 1200') | 5/18/25 | 76.4 6.2 | 1834 | 41.9 4.2 | 0544 | 30.2 1.7 | - | - | 2.8 | 14.2 0.6 | 1418 | W | 275 | - | - | 0.203 0.021 | 691 42 | 20 20 |
Napa-East (Palmaz 1400') | 5/18/25 | 75.9 5.7 | 1404 | 44.3 1.9 | 0609 | 44.0 3.6 | 95 5 | 24 20 | 3.3 | 16.7 0.5 | 1517 | WSW | 237 | 0.00 | 30.76 | 0.204 0.031 | 604 19 | 70 20 |
Wooden Valley | 4/30/25 | 78.8 0.4 | 1303 | 51.0 7.3 | 0600 | 49.9 1.6 | 90 5 | 34 2 | 4.0 | 16.6 0.3 | 0031 | SW | 220 | 0.00 | 30.39 | 0.212 0.008 | 668 2 | 0 0 |
Napa-West Upper (Truchard) | 5/18/25 | 81.5 9.8 | 1745 | 47.3 3.1 | 0609 | 44.6 3.5 | 100 1 | 0 42 | 4.1 | 22.2 4.0 | 1445 | S | 184 | 0.00 | 29.90 | 0.238 0.030 | 692 23 | 90 20 |
Napa-West Lower (Truchard) | 5/18/25 | 83.4 9.3 | 1755 | 40.5 4.0 | 0600 | 44.1 3.0 | 100 10 | 17 21 | - | - | - | - | - | - | - | - | 100 0 |
Napa-South (Toyon Farms) | 5/18/25 | 79.6 7.1 | 1419 | 46.6 3.5 | 0626 | 48.7 1.3 | 99 6 | 29 20 | 3.6 | 18.0 4.4 | 1607 | WSW | 240 | 0.00 | 24.68 | 0.132 0.018 | 349 7 | 90 20 |
Toyon Remote 1 | 5/18/25 | 83.9 6.1 | 1305 | 39.2 3.9 | 0437 | - | - | - | - | - | - | - | - | - | - | - | - |
Toyon Remote 2 | 5/18/25 | 80.8 7.8 | 1417 | 40.5 4.0 | 0525 | - | - | - | - | - | - | - | - | - | - | - | - |
Toyon Remote 3 | 5/18/25 | 83.7 7.1 | 1409 | 42.4 3.6 | 0544 | - | - | - | - | - | - | - | - | - | - | - | - |
Dealy Lane (Ranch 80) | 5/18/25 | 80.4 9.8 | 1341 | 43.4 3.1 | 0526 | 44.4 2.9 | 94 6 | 25 20 | 2.9 | 18.1 3.9 | 1654 | WSW | 238 | 0.00 | 28.74 | 0.228 0.029 | 721 26 | 100 10 |
Carneros (Saintsbury) | 5/18/25 | 79.6 8.8 | 1359 | 44.1 3.8 | 0611 | 44.8 2.9 | 97 7 | 24 20 | 4.7 | 21.7 7.2 | 1515 | SW | 220 | 0.00 | 0.49 | - | - | 0 0 |
Suscol Lower (Ranch 35) | 5/18/25 | 81.3 8.7 | 1436 | 44.1 4.7 | 0543 | 44.2 3.3 | - | - | 4.4 | 19.4 5.7 | 1459 | SSW | 209 | 0.00 | 13.92 | 0.218 0.021 | 619 17 | 0 0 |
Suscol Mtn (Ranch 93) | 5/18/25 | 80.4 9.3 | 1347 | 48.9 0.7 | 0221 | 44.1 3.0 | 86 9 | 27 21 | 7.4 | 26.9 7.6 | 2359 | NNE | 33 | 0.00 | 22.56 | - | - | 0 0 |
Suscol Upper (Ranch 92) | 5/18/25 | 77.1 7.9 | 1547 | 48.8 0.3 | 0214 | 44.2 3.3 | 89 4 | 27 19 | 6.0 | 21.8 7.3 | 0002 | NW | 319 | 0.00 | 0.65 | - | - | 0 0 |
Stanly (Ranch 45) | 5/18/25 | 80.3 8.6 | 1451 | 42.3 7.4 | 0624 | 44.3 3.1 | 96 13 | 24 17 | 5.9 | 22.6 7.9 | 1650 | WSW | 252 | 0.00 | 19.75 | 0.267 0.037 | 751 23 | 0 0 |
Carneros Upper (Ranch 81) | 5/18/25 | 77.6 9.5 | 1408 | 48.9 0.8 | 0617 | 43.4 3.5 | 86 3 | 28 20 | 8.3 | 26.9 7.2 | 1606 | WSW | 247 | - | - | - | - | 0 0 |
Carneros (Mitsuko) | 5/18/25 | 79.3 8.3 | 1352 | 40.6 3.0 | 0608 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
Carneros Lower (Ranch 81) | 5/18/25 | 81.1 9.9 | 1421 | 42.2 7.2 | 0619 | 45.2 3.4 | 98 9 | 29 19 | 1.2 | 13.2 4.5 | 2210 | NW | 308 | 0.00 | 24.49 | 0.201 0.019 | 670 25 | 50 20 |
Carneros (Milton Rd) | 5/18/25 | 80.3 8.3 | 1411 | 41.5 4.8 | 0514 | 44.4 3.5 | 95 4 | 27 18 | - | - | - | - | 0.00 | 22.47 | - | - | 0 0 |
Max | 83.9 | - | 50.2 | - | 48.7 | 100 | 45 | 8.3 | 26.9 | - | - | 0.00 | 50.04 | 0.267 | 751 | - | |
Avg | - | - | - | - | 43.7 | - | - | 4.0 | - | - | - | - | - | - | - | - | |
Min | 75.4 | - | 39.2 | - | 30.2 | 68 | 0 | 1.2 | 12.1 | - | - | 0.00 | 0.49 | 0.132 | 349 | - |