| 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 | 5/26/26 | 65.1 3.3 | 1345 | 36.5 5.5 | 0618 | - | - | - | - | - | - | - | 0.00 | 50.09 | - | - | 60 10 |
| Pope Valley (Weeks Lake) | 5/26/26 | 71.9 1.4 | 1307 | 42.4 0.0 | 0511 | 43.4 2.9 | 100 0 | 26 16 | 2.5 1.1 | 16.0 2.4 | 1551 | ENE | 76 | 0.01 | 26.25 | 0.123 0.049 | 400 208 | 80 10 |
| Dollarhide Base | 5/26/26 | 74.2 3.4 | 1232 | 47.6 2.9 | 0537 | 47.0 2.9 | 98 3 | 33 19 | 3.9 3.6 | 23.8 1.0 | 1553 | NNE | 24 | 0.03 | 23.17 | 0.141 0.050 | 470 230 | 80 10 |
| Dollarhide 1AS Remote | 5/26/26 | 75.2 4.7 | 1241 | 42.6 8.0 | 0555 | 46.2 3.2 | 94 2 | 32 19 | 2.8 3.7 | 18.3 3.6 | 1602 | N | 11 | - | - | - | - | 80 10 |
| Dollarhide 16A Remote | 5/26/26 | 73.7 4.2 | 1456 | 45.5 4.0 | 0545 | 46.7 2.9 | 98 2 | 33 20 | - | - | - | - | - | - | - | - | 80 10 |
| Dollarhide 18A Remote | 5/26/26 | 72.3 3.6 | 1532 | 41.8 8.6 | 0616 | 45.5 3.3 | 99 7 | 35 18 | - | - | - | - | - | - | - | - | 80 10 |
| Hardin Rd (Eakle) | 5/26/26 | 71.0 0.3 | 1224 | 46.2 4.9 | 0633 | - | - | - | - | - | - | - | - | - | - | - | 80 10 |
| Angwin | 5/26/26 | 62.9 4.3 | 1440 | 42.8 1.7 | 0605 | 41.7 4.0 | 100 0 | 39 21 | 2.9 1.3 | 18.0 1.8 | 1605 | N | 350 | 0.26 | 45.38 | 0.020 0.005 | 0 0 | 60 10 |
| Lower Angwin (Pioneer) | 5/26/26 | 67.5 6.4 | 1458 | 40.4 5.2 | 0625 | - | - | - | 2.4 2.1 | 15.2 2.5 | 0251 | W | 268 | - | - | - | - | 60 10 |
| Las Posadas (Cal Fire) | 5/26/26 | 67.1 3.3 | 1450 | 45.1 1.8 | 2358 | 44.8 2.1 | 97 0 | 37 20 | 6.0 4.7 | 24.8 3.0 | 1451 | SW | 234 | 0.26 | 34.76 | 0.138 0.013 | 486 6 | - |
| Deer Park | 5/26/26 | 71.1 5.7 | 1531 | 49.3 0.3 | 0701 | 44.7 2.9 | 88 8 | 32 21 | 4.6 1.2 | 26.4 7.3 | 1629 | NE | 42 | 0.20 | 28.92 | 0.129 0.017 | 370 18 | 60 10 |
| Lower Chiles Valley (Brown) | 5/26/26 | 70.9 5.0 | 1349 | 43.0 6.6 | 0005 | 44.8 2.5 | 100 7 | 30 23 | 3.2 2.1 | 17.5 3.4 | 1622 | NNE | 19 | 0.09 | 25.98 | 0.132 0.024 | 464 121 | 60 10 |
| Moss Creek Vineyard/Reservior | 5/26/26 | 70.7 0.5 | 1248 | 46.5 3.5 | 0039 | 45.1 1.7 | 97 3 | 29 15 | - | - | - | - | 0.02 | 27.07 | - | - | 50 10 |
| Max | 75.2 | - | 49.3 | - | 47.0 | 100 | 39 | 6.0 | 26.4 | - | - | 0.26 | 50.09 | 0.141 | 486 | - | |
| Avg | - | - | - | - | 45.0 | - | - | 3.5 | - | - | - | - | - | - | - | - | |
| Min | 62.9 | - | 36.5 | - | 41.7 | 88 | 26 | 2.4 | 15.2 | - | - | 0.00 | 23.17 | 0.020 | 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 | 5/25/26 | 55.0 18.5 | 0908 | 50.5 1.6 | 0548 | 48.1 3.9 | 96 1 | 81 29 | - | - | - | - | 0.00 | 32.79 | - | - | 30 10 |
| Diamond Mtn (Schramsberg) | 5/26/26 | 73.0 8.3 | 1513 | 47.6 1.3 | 0556 | 43.6 3.8 | 86 14 | 31 24 | - | - | - | - | 0.00 | 31.20 | - | - | 60 10 |
| Diamond Mtn (McEachran) | 5/26/26 | 69.7 7.3 | 1439 | 48.4 1.3 | 0042 | 43.5 3.9 | 84 10 | 33 25 | - | - | - | - | - | - | - | - | 50 10 |
| St. Helena-North | 5/26/26 | 75.2 6.4 | 1517 | 47.0 5.0 | 0059 | 43.3 2.8 | 85 3 | 25 20 | 1.9 | 16.0 1.5 | 1536 | WNW | 287 | 0.06 | 31.09 | 0.151 0.014 | 479 21 | 50 10 |
| St. Helena (NVV Office) | 5/26/26 | 76.3 8.0 | 1442 | 50.2 2.1 | 0059 | - | - | - | 1.8 | 16.0 2.6 | 1628 | NNW | 330 | 0.02 | 28.49 | - | - | 70 10 |
| Tiara Fria (East St. Helena) | 5/26/26 | 73.0 5.0 | 1532 | 49.5 3.3 | 0616 | 45.4 2.2 | 91 8 | 29 21 | 3.2 | 20.2 1.9 | 1642 | NNE | 30 | 0.02 | 26.46 | - | - | 70 10 |
| Rutherford Hill Estate | 5/26/26 | 76.5 5.7 | 1414 | 49.0 2.6 | 0055 | 46.1 2.0 | 90 2 | 29 17 | 2.0 | 21.0 0.4 | 1625 | NNW | 344 | 0.04 | 25.04 | 0.136 0.010 | 440 48 | 80 10 |
| Rutherford-North (Mee Ln) | 5/26/26 | 74.1 5.8 | 1503 | 45.1 8.0 | 0038 | 45.5 2.5 | 95 12 | 29 21 | 3.1 | 23.7 5.0 | 1636 | ENE | 61 | 0.01 | 24.53 | 0.153 0.003 | 489 44 | 50 10 |
| Rutherford (STS) | 5/26/26 | 74.4 6.0 | 1459 | 43.8 9.2 | 0058 | 47.6 2.5 | 93 5 | 33 23 | 3.0 | 20.7 0.4 | 1629 | NNW | 332 | 0.01 | 25.83 | 0.157 0.012 | 522 94 | 80 10 |
| Oakville-NE (Ranch 88) | 5/26/26 | 74.1 5.2 | 1357 | 46.1 7.0 | 0038 | 44.4 2.1 | 94 16 | 26 19 | 2.2 | 22.4 5.3 | 1633 | ENE | 76 | 0.05 | 24.97 | 0.146 0.014 | 471 65 | 100 0 |
| OV561-East | 5/26/26 | 74.5 7.0 | 1428 | 48.4 4.4 | 0622 | - | - | - | - | - | - | - | - | - | - | - | 70 10 |
| Oakville | 5/26/26 | 73.6 7.9 | 1516 | 46.7 5.8 | 0618 | 45.5 1.7 | 95 12 | 27 26 | 3.2 | 21.2 0.7 | 1639 | NNE | 24 | 0.16 | 25.67 | 0.171 0.003 | 575 53 | 50 10 |
| OV518-West | 5/26/26 | 72.1 7.5 | 1412 | 46.9 5.8 | 0621 | - | - | - | - | - | - | - | - | - | - | - | 50 10 |
| To Kalon Remote (TKKE) | 5/26/26 | 74.5 7.1 | 1401 | 46.1 6.8 | 0040 | - | - | - | - | - | - | - | - | - | - | - | 70 10 |
| To Kalon | 5/26/26 | 74.0 8.9 | 1518 | 46.3 5.6 | 0056 | 46.1 2.0 | 95 8 | 30 26 | 2.7 | 19.2 0.7 | 1639 | N | 354 | 0.03 | 27.73 | 0.155 0.001 | 509 45 | 50 10 |
| To Kalon Remote (TKN5) | 5/26/26 | 74.0 7.2 | 1519 | 47.0 5.5 | 0101 | - | - | - | - | - | - | - | - | - | - | - | 70 10 |
| Yountville (Ranch 67) | 5/26/26 | 72.7 5.8 | 1447 | 45.2 7.0 | 0621 | 44.6 1.5 | 95 14 | 28 20 | 2.9 | 23.9 5.2 | 1639 | N | 1 | 0.12 | 23.74 | 0.175 0.007 | 621 58 | 50 10 |
| Stags Leap Dist (Silverado Vineyards) | 5/26/26 | 73.0 4.0 | 1544 | 45.5 6.6 | 0630 | 45.3 1.7 | 94 12 | 29 17 | 1.7 | 16.2 4.5 | 1650 | N | 8 | 0.13 | 27.75 | 0.160 0.010 | 561 63 | 30 10 |
| Borreo (Soda Canyon) | 5/26/26 | 69.6 2.2 | 1426 | 43.9 6.2 | 0058 | 44.0 2.4 | 96 7 | 31 17 | 2.0 | 15.2 1.2 | 1644 | NNE | 23 | 0.02 | 27.54 | 0.136 0.021 | 470 113 | 30 10 |
| Wappo Hill Floor | 5/26/26 | 74.7 5.0 | 1515 | 45.3 7.4 | 0101 | 46.0 1.5 | 100 16 | 28 20 | 3.0 | 24.8 7.1 | 1645 | NNE | 21 | 0.09 | 26.84 | 0.157 0.014 | 518 80 | 80 10 |
| Stags Leap Dist (Chimney Rock) | 5/26/26 | 74.8 4.5 | 1526 | 45.2 8.1 | 0606 | 47.7 1.8 | 97 11 | 34 18 | 2.7 | 21.5 6.6 | 1621 | NNW | 347 | 0.07 | 26.21 | 0.143 0.011 | 474 57 | 20 10 |
| Yountville-South (Ranch 87) | 5/26/26 | 72.8 3.8 | 1549 | 46.4 6.5 | 0614 | 47.0 1.2 | 100 15 | 30 19 | 2.0 | 14.2 1.1 | 1546 | NW | 310 | 0.07 | 27.46 | 0.156 0.000 | 533 8 | 80 10 |
| Yountville-SE (Ranch 85) | 5/26/26 | 73.2 3.3 | 1506 | 47.7 5.0 | 0607 | 46.9 1.4 | 97 11 | 30 17 | 2.8 | 18.7 3.5 | 1601 | NW | 325 | 0.10 | 25.79 | - | 0 0 | 50 10 |
| Oak Knoll-East (Ranch 53) | 5/26/26 | 73.9 5.3 | 1332 | 48.4 4.3 | 0539 | 46.2 0.9 | 93 12 | 26 19 | 2.1 | 17.9 1.0 | 1652 | NNE | 17 | 0.04 | 24.34 | 0.148 0.017 | 499 61 | 80 10 |
| Napa-NW (Ranch 54) | 5/26/26 | 73.7 4.3 | 1640 | 48.7 4.3 | 0059 | 46.1 1.4 | 90 8 | 28 17 | 1.8 | 28.5 13.9 | 1651 | W | 265 | 0.00 | 26.77 | - | 0 0 | 80 10 |
| Napa-North (Ranch 29) | 5/26/26 | 71.3 4.0 | 1249 | 48.6 3.6 | 0056 | 47.9 0.2 | 100 16 | 32 17 | 2.0 | 16.3 1.0 | 1600 | S | 186 | 0.10 | 25.28 | 0.086 0.041 | 233 151 | 20 10 |
| Max | 76.5 | - | 50.2 | - | 47.9 | 100 | 34 | 3.2 | 28.5 | - | - | 0.16 | 31.20 | 0.175 | 621 | - | |
| Avg | - | - | - | - | 45.6 | - | - | 2.4 | - | - | - | - | - | - | - | - | |
| Min | 69.6 | - | 43.8 | - | 43.3 | 84 | 25 | 1.7 | 14.2 | - | - | 0.00 | 23.74 | 0.086 | 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 | 5/26/26 | 67.9 6.5 | 1436 | 46.7 0.2 | 0605 | 43.2 3.5 | 92 8 | 35 25 | 2.2 | 18.5 5.4 | 1648 | N | 350 | 0.00 | 34.19 | 0.138 0.016 | 490 10 | 50 10 |
| Mount George (Napa East) | 5/26/26 | 70.0 4.7 | 1328 | 46.6 5.7 | 0052 | 46.7 1.1 | 96 10 | 33 20 | 2.1 | 19.0 1.3 | 1606 | SW | 216 | 0.04 | 17.08 | 0.126 0.025 | 429 112 | 20 10 |
| Napa-East (Palmaz 300') | 5/26/26 | 73.9 5.2 | 1338 | 48.0 3.0 | 0042 | 47.5 0.3 | 95 8 | 29 17 | 2.3 | 17.3 0.2 | 1726 | E | 90 | 0.05 | 23.34 | 0.115 0.030 | 360 108 | 20 10 |
| Napa-East (Palmaz 1200') | 5/20/26 | 83.1 2.3 | 1549 | 49.6 2.8 | 0543 | 44.2 13.7 | 74 19 | 19 10 | 2.5 | 11.6 2.3 | 1413 | NNW | 333 | - | - | 0.212 0.024 | 676 30 | 100 10 |
| Napa-East (Palmaz 1400') | 5/26/26 | 68.1 6.9 | 1247 | 43.5 2.0 | 0037 | 46.4 0.8 | 100 0 | 37 24 | 2.8 | 18.0 4.7 | 1654 | NE | 49 | 0.04 | 30.84 | 0.128 0.004 | 473 26 | 50 10 |
| Wooden Valley | 5/26/26 | 67.9 3.4 | 1455 | 43.3 5.2 | 0040 | 45.0 1.6 | 97 6 | 38 15 | 2.8 | 18.6 3.9 | 0155 | NNW | 337 | 0.15 | 29.26 | 0.114 0.045 | 409 206 | 60 10 |
| Napa-West Upper (Truchard) | 5/26/26 | 72.4 5.8 | 1305 | 48.5 1.8 | 0639 | 48.2 0.6 | 100 0 | 0 52 | 4.4 | 24.9 2.6 | 1701 | NW | 318 | 0.04 | 24.45 | 0.179 0.033 | 604 111 | 20 10 |
| Napa-West Lower (Truchard) | 5/26/26 | 76.0 6.6 | 1301 | 44.9 6.1 | 0059 | 46.9 1.2 | 94 5 | 29 17 | - | - | - | - | - | - | - | - | 40 10 |
| Napa-South (Toyon Farms) | 5/26/26 | 72.5 5.6 | 1416 | 49.3 2.1 | 0036 | 50.0 0.1 | 99 8 | 41 16 | 3.0 | 19.4 2.4 | 1607 | SSW | 212 | 0.11 | 18.45 | 0.096 0.019 | 311 60 | 40 10 |
| Toyon Remote 1 | 5/26/26 | 78.3 6.8 | 1421 | 46.1 5.4 | 2225 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 5/26/26 | 72.8 5.6 | 1300 | 47.5 4.7 | 0623 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 5/26/26 | 77.8 6.7 | 1423 | 47.6 4.4 | 0100 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 5/26/26 | 71.7 5.5 | 1402 | 49.4 1.8 | 0059 | 46.4 1.2 | 90 4 | 34 14 | 3.3 | 20.5 1.2 | 1533 | WSW | 238 | 0.01 | 23.59 | 0.179 0.049 | 612 167 | 40 10 |
| Carneros (Saintsbury) | 5/26/26 | 72.1 5.7 | 1332 | 47.5 3.0 | 0059 | 47.1 1.0 | 92 4 | 33 16 | 5.9 | 24.5 2.3 | 1643 | SW | 232 | 0.03 | 8.71 | - | - | 50 10 |
| Suscol Lower (Ranch 35) | 5/26/26 | 73.6 6.2 | 1406 | 46.5 4.4 | 0045 | 46.6 1.0 | - | - | 5.2 | 30.0 10.0 | 1330 | WSW | 238 | 0.06 | 22.90 | 0.155 0.035 | 478 133 | 50 10 |
| Suscol Mtn (Ranch 93) | 5/26/26 | 71.3 6.3 | 1215 | 47.4 0.4 | 0644 | 46.3 0.7 | 99 1 | 39 17 | 8.8 | 32.4 2.0 | 1713 | WNW | 282 | 0.05 | 18.65 | - | - | 20 10 |
| Suscol Upper (Ranch 92) | 5/26/26 | 67.8 5.1 | 1332 | 48.0 0.2 | 0708 | 28.1 3.3 | 100 0 | 3 0 | 6.1 | 29.2 2.5 | 1715 | NW | 311 | 0.03 | 22.38 | - | - | 50 10 |
| Stanly (Ranch 45) | 5/25/26 | 68.8 7.4 | 1309 | 51.2 1.8 | 0624 | 47.8 2.4 | 86 0 | 46 4 | 8.6 | 20.6 2.2 | 1701 | W | 275 | 0.00 | 22.49 | 0.138 0.046 | 398 195 | 50 10 |
| Carneros Upper (Ranch 81) | 5/26/26 | 69.5 5.7 | 1402 | 49.5 0.3 | 0059 | 46.0 1.7 | - | - | 10.2 | 32.4 5.8 | 1619 | WSW | 249 | - | - | - | - | 50 10 |
| Carneros (Mitsuko) | 5/26/26 | 72.2 4.9 | 1335 | 43.7 7.5 | 0051 | - | - | - | - | - | - | - | - | - | - | - | 50 10 |
| Carneros Lower (Ranch 81) | 5/26/26 | 75.1 5.7 | 1500 | 48.7 2.3 | 0101 | 47.5 1.6 | 93 4 | 36 11 | 1.7 | 14.3 1.8 | 0810 | NNW | 328 | 0.00 | 19.42 | 0.164 0.067 | 569 239 | 50 10 |
| Carneros (Milton Rd) | 5/26/26 | 72.7 5.9 | 1417 | 44.7 6.9 | 0054 | 46.8 1.4 | 91 3 | 33 17 | - | - | - | - | 0.00 | 18.07 | - | - | 50 10 |
| Max | 78.3 | - | 49.5 | - | 50.0 | 100 | 41 | 10.2 | 32.4 | - | - | 0.15 | 34.19 | 0.179 | 612 | - | |
| Avg | - | - | - | - | 45.5 | - | - | 4.3 | - | - | - | - | - | - | - | - | |
| Min | 67.8 | - | 43.3 | - | 28.1 | 90 | 0 | 1.7 | 14.3 | - | - | 0.00 | 8.71 | 0.096 | 311 | - |