| 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 | 5/3/26 | 60.4 10.9 | 1510 | 44.8 0.8 | 0207 | - | - | - | - | - | - | - | 0.00 | 49.63 | - | - | 20 10 |
| Pope Valley (Weeks Lake) | 5/3/26 | 67.5 4.9 | 1532 | 45.4 0.4 | 0054 | 47.0 2.6 | 100 0 | 47 0 | 2.3 | 14.7 1.1 | 1427 | S | 177 | 0.00 | 25.63 | 0.127 0.028 | 437 103 | 60 10 |
| Dollarhide Base | 5/3/26 | 69.3 4.6 | 1432 | 50.3 0.4 | 0347 | 49.6 2.7 | 95 2 | 53 0 | 5.7 | 19.6 2.9 | 1538 | SW | 217 | 0.00 | 22.64 | 0.141 0.033 | 491 124 | 70 10 |
| Dollarhide 1AS Remote | 5/3/26 | 68.4 5.4 | 1511 | 49.4 1.7 | 0059 | 49.1 2.5 | 92 2 | 52 1 | 4.4 | 17.2 2.1 | 1526 | SW | 220 | - | - | - | - | 60 10 |
| Dollarhide 17B Remote | 5/3/26 | 69.6 4.6 | 1420 | 48.1 0.1 | 0218 | 49.8 2.6 | 98 0 | 52 1 | - | - | - | - | - | - | - | - | 60 10 |
| Dollarhide 18A Remote | 5/3/26 | 67.2 5.7 | 1432 | 48.4 3.1 | 0059 | 49.0 2.2 | 94 6 | 54 1 | - | - | - | - | - | - | - | - | 40 10 |
| Angwin | 5/3/26 | 57.4 5.8 | 1435 | 45.2 1.3 | 0919 | 45.4 0.8 | 100 0 | 63 27 | 3.1 | 18.9 2.2 | 1453 | SSE | 157 | 0.00 | 44.48 | 0.012 0.005 | 0 0 | 0 0 |
| Lower Angwin (Pioneer) | 5/3/26 | 60.4 4.8 | 1506 | 46.3 0.6 | 0054 | - | - | - | 4.1 | 15.8 2.8 | 1641 | WSW | 241 | - | - | - | - | 20 10 |
| Deer Park | 5/3/26 | 66.1 3.1 | 1517 | 50.2 0.1 | 0052 | 47.2 3.0 | 89 7 | 49 6 | 3.7 | 14.4 1.8 | 1556 | SW | 228 | 0.00 | 28.19 | 0.098 0.008 | 295 52 | 10 10 |
| Lower Chiles Valley (Brown) | 5/3/26 | 65.0 4.4 | 1445 | 48.2 1.7 | 0042 | 46.8 3.2 | 92 3 | 51 2 | 3.7 | 16.8 2.4 | 1517 | NW | 315 | 0.00 | 25.25 | 0.121 0.027 | 441 117 | 40 10 |
| Moss Creek Vineyard/Reservior | 5/3/26 | 68.9 2.3 | 1446 | 48.4 1.6 | 0003 | 46.8 2.1 | 94 1 | 43 6 | - | - | - | - | 0.00 | 26.50 | - | - | 40 10 |
| Max | 69.6 | - | 50.3 | - | 49.8 | 100 | 63 | 5.7 | 19.6 | - | - | 0.00 | 49.63 | 0.141 | 491 | - | |
| Avg | - | - | - | - | 47.8 | - | - | 3.9 | - | - | - | - | - | - | - | - | |
| Min | 57.4 | - | 44.8 | - | 45.4 | 89 | 43 | 2.3 | 14.4 | - | - | 0.00 | 22.64 | 0.012 | 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 | 5/3/26 | 83.7 | 1431 | 45.5 | 0608 | 49.3 | 99 | 43 | - | - | - | - | 0.00 | 32.32 | - | - | 20 |
| Diamond Mtn (Schramsberg) | 5/3/26 | 65.0 3.6 | 1557 | 49.2 0.1 | 0101 | 46.9 3.5 | 92 8 | 50 6 | - | - | - | - | 0.00 | 30.72 | - | - | 10 10 |
| Diamond Mtn (McEachran) | 5/3/26 | 64.5 4.3 | 1558 | 51.1 0.2 | 0059 | 47.0 3.3 | 89 7 | 51 6 | - | - | - | - | - | - | - | - | 10 10 |
| St. Helena-North | 5/3/26 | 67.9 3.2 | 1659 | 52.0 0.9 | 0059 | 45.6 3.4 | 78 9 | 42 6 | 2.0 | 15.6 0.9 | 1457 | SSE | 157 | 0.00 | 30.46 | 0.104 0.011 | 341 45 | 60 10 |
| St. Helena (NVV Office) | 5/3/26 | 69.5 2.3 | 1523 | 52.5 0.6 | 0043 | - | - | - | 1.7 | 12.1 0.6 | 1722 | WSW | 253 | 0.00 | 27.95 | - | - | 80 10 |
| Tiara Fria (East St. Helena) | 5/3/26 | 67.9 0.8 | 1528 | 51.5 1.9 | 0047 | 47.4 2.8 | 86 4 | 46 10 | 3.3 | 15.1 1.3 | 1615 | WNW | 284 | 0.00 | 25.95 | - | - | 30 10 |
| Rutherford Hill Estate | 5/3/26 | 69.2 1.0 | 1518 | 50.7 0.6 | 0059 | 47.7 2.6 | 87 7 | 46 7 | 2.0 | 13.6 2.4 | 1635 | W | 268 | 0.00 | 24.50 | 0.110 0.016 | 378 72 | 30 10 |
| Rutherford-North (Mee Ln) | 5/3/26 | 69.7 0.9 | 1542 | 47.9 2.2 | 0051 | 47.4 2.6 | 91 3 | 43 12 | 2.8 | 15.1 4.2 | 1627 | WSW | 257 | 0.00 | 23.98 | 0.119 0.010 | 385 56 | 40 10 |
| Rutherford (STS) | 5/3/26 | 69.8 0.8 | 1546 | 48.1 4.0 | 0038 | 49.5 2.6 | 92 2 | 50 10 | 2.7 | 16.3 0.5 | 1712 | W | 264 | 0.00 | 25.26 | 0.133 0.007 | 467 43 | 70 10 |
| Oakville-NE (Ranch 88) | 5/3/26 | 70.4 1.0 | 1505 | 48.4 3.6 | 0032 | 46.2 2.9 | 88 2 | 40 13 | 2.6 | 15.2 4.6 | 1212 | NNW | 331 | 0.00 | 24.39 | 0.126 0.016 | 411 80 | 0 0 |
| OV561-East | 5/3/26 | 69.4 0.2 | 1507 | 50.7 1.3 | 0057 | - | - | - | - | - | - | - | - | - | - | - | 10 10 |
| Oakville | 5/3/26 | 68.3 1.3 | 1510 | 49.8 2.3 | 2355 | 47.0 2.5 | 88 3 | 44 13 | 3.9 | 16.4 2.7 | 1516 | W | 266 | 0.00 | 24.96 | 0.131 0.008 | 438 72 | 10 10 |
| OV518-West | 5/3/26 | 67.5 0.6 | 1448 | 49.3 2.9 | 0054 | - | - | - | - | - | - | - | - | - | - | - | 30 10 |
| To Kalon Remote (TKKE) | 5/3/26 | 69.8 0.6 | 1429 | 48.9 3.9 | 2354 | - | - | - | - | - | - | - | - | - | - | - | 70 10 |
| To Kalon | 5/3/26 | 68.9 1.0 | 1507 | 50.3 1.7 | 0101 | 48.0 2.5 | 89 4 | 47 11 | 3.3 | 13.7 2.8 | 1441 | WNW | 296 | 0.00 | 27.15 | 0.119 0.008 | 393 56 | 10 10 |
| To Kalon Remote (TKN5) | 5/3/26 | 69.3 1.7 | 1453 | 50.8 1.6 | 0005 | - | - | - | - | - | - | - | - | - | - | - | 30 10 |
| Yountville (Ranch 67) | 5/3/26 | 68.0 1.6 | 1537 | 49.4 1.8 | 0059 | 46.1 2.5 | 88 1 | 43 14 | 2.9 | 15.0 2.5 | 1422 | NNW | 336 | 0.00 | 23.06 | 0.126 0.011 | 440 76 | 10 10 |
| Stags Leap Dist (Silverado Vineyards) | 5/3/26 | 68.0 2.3 | 1508 | 50.1 0.7 | 0055 | 46.9 2.0 | 87 1 | 43 15 | 1.6 | 12.9 5.2 | 1619 | SSE | 161 | 0.00 | 27.09 | 0.112 0.015 | 389 70 | 0 0 |
| Borreo (Soda Canyon) | 5/3/26 | 66.2 2.7 | 1526 | 46.3 0.7 | 0054 | 46.4 2.2 | 94 1 | 46 14 | 1.8 | 11.4 1.9 | 1428 | SSE | 160 | 0.00 | 27.02 | 0.117 0.014 | 424 27 | 0 0 |
| Wappo Hill Floor | 5/3/26 | 69.2 1.9 | 1508 | 49.0 2.4 | 0101 | 47.6 2.1 | 88 1 | 43 13 | 3.0 | 14.1 0.0 | 1514 | S | 176 | 0.00 | 26.26 | 0.131 0.003 | 433 21 | 40 10 |
| Stags Leap Dist (Chimney Rock) | 5/3/26 | 68.3 1.7 | 1538 | 49.4 2.7 | 0101 | 49.5 1.9 | 93 1 | 52 12 | 2.9 | 14.9 0.9 | 1542 | SW | 231 | 0.00 | 25.63 | 0.111 0.002 | 367 24 | 0 0 |
| Yountville-South (Ranch 87) | 5/3/26 | 69.3 1.5 | 1523 | 49.5 0.8 | 0059 | 48.2 2.3 | 92 3 | 44 13 | 2.5 | 13.2 2.5 | 1618 | SW | 217 | 0.00 | 26.90 | 0.123 0.005 | 417 46 | 60 10 |
| Yountville-SE (Ranch 85) | 5/3/26 | 69.8 3.3 | 1458 | 50.4 1.8 | 0044 | 48.4 2.0 | 91 0 | 44 15 | 1.6 | 10.7 4.1 | 1258 | NW | 317 | 0.00 | 25.19 | - | 0 0 | 10 10 |
| Oak Knoll-East (Ranch 53) | 5/3/26 | 68.8 2.5 | 1453 | 49.1 1.9 | 2329 | 47.0 2.4 | 90 2 | 43 12 | 2.3 | 12.9 0.3 | 1355 | SSW | 202 | 0.00 | 23.77 | 0.129 0.004 | 431 19 | 40 10 |
| Napa-NW (Ranch 54) | 5/3/26 | 69.8 0.3 | 1515 | 49.1 1.8 | 0043 | 47.2 2.5 | 90 2 | 43 7 | 1.7 | 10.5 0.6 | 1045 | W | 277 | 0.00 | 26.23 | - | 0 0 | 70 10 |
| Napa-North (Ranch 29) | 5/3/26 | 66.6 1.0 | 1502 | 50.0 1.9 | 0053 | 47.6 2.6 | 98 1 | 48 9 | 3.0 | 12.9 1.0 | 1700 | WSW | 241 | 0.00 | 24.67 | 0.085 0.000 | 234 46 | 0 0 |
| Max | 83.7 | - | 52.5 | - | 49.5 | 99 | 52 | 3.9 | 16.4 | - | - | 0.00 | 32.32 | 0.133 | 467 | - | |
| Avg | - | - | - | - | 47.5 | - | - | 2.5 | - | - | - | - | - | - | - | - | |
| Min | 64.5 | - | 45.5 | - | 45.6 | 78 | 40 | 1.6 | 10.5 | - | - | 0.00 | 23.06 | 0.085 | 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 | 5/3/26 | 61.0 0.9 | 1511 | 47.0 0.8 | 0541 | 45.8 3.0 | 100 0 | 56 10 | 1.4 | 12.1 3.2 | 1541 | SSE | 147 | 0.00 | 33.62 | 0.134 0.019 | 658 83 | 0 0 |
| Mount George (Napa East) | 5/3/26 | 69.8 4.9 | 1231 | 58.5 2.2 | 0101 | 54.7 1.4 | 100 9 | 52 10 | 2.2 | 12.6 1.1 | 1559 | WSW | 252 | 0.00 | 16.54 | 0.104 0.005 | 333 30 | 0 0 |
| Napa-East (Palmaz 300') | 5/3/26 | 67.5 2.5 | 1531 | 49.2 2.7 | 0059 | 47.8 1.9 | 93 4 | 48 11 | 2.7 | 13.2 0.6 | 1452 | SW | 219 | 0.00 | 22.81 | 0.096 0.009 | 296 10 | 0 0 |
| Napa-East (Palmaz 1200') | 5/3/26 | 62.0 2.9 | 1536 | 44.7 3.6 | 0058 | 44.3 0.2 | 100 0 | 7 6 | 2.3 | 13.6 0.7 | 1217 | WNW | 301 | - | - | 0.094 0.024 | 342 77 | 0 0 |
| Napa-East (Palmaz 1400') | 5/3/26 | 61.9 2.8 | 1416 | 45.9 1.2 | 0007 | 47.2 1.9 | 100 0 | 59 15 | 3.2 | 18.0 4.5 | 1258 | W | 262 | 0.00 | 30.26 | 0.097 0.032 | 376 103 | 0 0 |
| Wooden Valley | 5/3/26 | 65.7 2.7 | 1528 | 49.8 0.1 | 0110 | 45.9 2.5 | 88 4 | 50 12 | 4.7 | 16.2 0.5 | 1338 | NW | 322 | 0.00 | 28.57 | 0.136 0.017 | 508 31 | 10 10 |
| Napa-West Upper (Truchard) | 5/3/26 | 67.4 1.9 | 1509 | 50.0 0.1 | 0056 | 48.5 5.2 | 100 0 | 49 48 | 4.9 | 14.8 3.2 | 1711 | WSW | 240 | 0.00 | 23.93 | 0.106 0.010 | 329 9 | 0 0 |
| Napa-West Lower (Truchard) | 5/3/26 | 69.0 1.1 | 1507 | 46.0 2.4 | 0047 | 47.9 1.6 | 92 2 | 45 7 | - | - | - | - | - | - | - | - | 70 10 |
| Napa-South (Toyon Farms) | 5/3/26 | 66.6 1.6 | 1603 | 49.9 1.5 | 0045 | 50.4 1.3 | 94 4 | 59 6 | 3.0 | 13.2 1.0 | 1657 | WSW | 242 | 0.00 | 17.89 | 0.055 0.005 | 161 21 | 0 0 |
| Toyon Remote 1 | 5/3/26 | 69.2 1.5 | 1600 | 44.2 5.0 | 0053 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 5/3/26 | 67.2 1.2 | 1605 | 47.6 4.0 | 0044 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 5/3/26 | 69.6 0.8 | 1559 | 47.7 3.5 | 0057 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 5/3/26 | 67.1 1.0 | 1612 | 50.2 1.4 | 2351 | 48.0 1.5 | 89 5 | 49 6 | 2.6 | 13.5 4.9 | 1834 | NW | 311 | 0.00 | 23.12 | 0.096 0.003 | 316 24 | 0 0 |
| Carneros (Saintsbury) | 5/3/26 | 66.4 0.6 | 1607 | 48.8 1.9 | 0038 | 48.1 1.3 | 92 7 | 50 6 | 4.6 | 15.0 3.2 | 1545 | WSW | 257 | 0.00 | 8.68 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 5/3/26 | 67.2 3.2 | 1443 | 48.1 3.4 | 0057 | 47.9 1.6 | - | - | 4.4 | 16.5 0.9 | 1443 | S | 186 | 0.00 | 22.41 | 0.105 0.021 | 314 35 | 0 0 |
| Suscol Mtn (Ranch 93) | 5/3/26 | 67.8 3.2 | 1457 | 48.7 0.2 | 0056 | 47.3 1.7 | 95 4 | 55 12 | 10.3 | 23.6 5.2 | 1554 | NW | 304 | 0.00 | 18.04 | - | - | 0 0 |
| Suscol Upper (Ranch 92) | 5/3/26 | 64.6 3.0 | 1504 | 49.5 0.2 | 0049 | 47.6 22.2 | 93 7 | 54 51 | 5.5 | 22.5 6.2 | 1555 | SW | 228 | 0.00 | 21.98 | - | - | 0 0 |
| Stanly (Ranch 45) | 5/3/26 | 67.9 2.5 | 1605 | 49.3 2.6 | 0054 | 48.1 1.3 | 90 1 | 49 7 | 4.9 | 17.8 0.2 | 1443 | SSW | 198 | 0.00 | 22.49 | 0.108 0.008 | 318 28 | 0 0 |
| Carneros Upper (Ranch 81) | 5/3/26 | 64.8 0.6 | 1333 | 49.6 1.7 | 0023 | 47.9 1.1 | - | - | 7.4 | 19.1 5.9 | 1901 | W | 262 | - | - | - | - | 0 0 |
| Carneros (Mitsuko) | 5/3/26 | 66.5 0.5 | 1612 | 47.1 4.3 | 0033 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 5/3/26 | 69.4 1.0 | 1616 | 49.0 2.5 | 2353 | 49.2 1.1 | 92 0 | 48 7 | 0.7 | 9.4 1.8 | 1717 | NW | 315 | 0.00 | 19.29 | 0.077 0.000 | 256 24 | 0 0 |
| Carneros (Milton Rd) | 5/3/26 | 67.3 1.8 | 1557 | 48.9 2.7 | 0021 | 48.6 1.6 | 92 1 | 52 5 | - | - | - | - | 0.00 | 18.07 | - | - | 0 0 |
| Max | 69.8 | - | 58.5 | - | 54.7 | 100 | 59 | 10.3 | 23.6 | - | - | 0.00 | 33.62 | 0.136 | 658 | - | |
| Avg | - | - | - | - | 48.1 | - | - | 4.0 | - | - | - | - | - | - | - | - | |
| Min | 61.0 | - | 44.2 | - | 44.3 | 88 | 7 | 0.7 | 9.4 | - | - | 0.00 | 8.68 | 0.055 | 161 | - |