| 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 | 6/21/26 | 82.3 5.9 | 1451 | 50.1 8.3 | 0504 | - | - | - | - | - | - | - | 0.00 | 50.54 | - | - | 90 20 |
| Pope Valley (Weeks Lake) | 6/21/26 | 88.8 6.3 | 1524 | 44.9 3.2 | 0614 | 49.7 1.2 | 100 0 | 19 12 | 2.1 0.3 | 13.4 0.9 | 1548 | SW | 228 | 0.00 | 26.64 | 0.224 0.018 | 640 2 | 60 10 |
| Dollarhide Base | 6/21/26 | 90.3 4.1 | 1442 | 50.5 1.4 | 0605 | 54.8 1.2 | 96 0 | 29 6 | 3.6 0.1 | 20.5 4.4 | 1804 | SW | 214 | 0.00 | 23.55 | 0.265 0.017 | 741 4 | 50 10 |
| Dollarhide 1AS Remote | 6/21/26 | 91.6 5.1 | 1514 | 45.2 0.0 | 0558 | 53.3 1.2 | 93 1 | 29 1 | 3.2 0.1 | 18.0 0.3 | 1657 | SW | 222 | - | - | - | - | 50 10 |
| Dollarhide 16A Remote | 6/21/26 | 87.9 2.5 | 1439 | 49.6 2.3 | 0554 | 54.3 1.0 | 97 1 | 29 9 | - | - | - | - | - | - | - | - | 50 10 |
| Dollarhide 18A Remote | 6/21/26 | 87.9 3.6 | 1502 | 43.2 0.0 | 0550 | 52.5 0.9 | 96 1 | 33 0 | - | - | - | - | - | - | - | - | 30 10 |
| Hardin Rd (Eakle) | 6/21/26 | 90.4 4.4 | 1425 | 48.1 0.8 | 0607 | - | - | - | - | - | - | - | - | - | - | - | 80 10 |
| Angwin | 6/21/26 | 79.4 6.2 | 1557 | 57.4 9.7 | 0335 | 48.8 0.8 | 71 29 | 24 3 | 3.7 1.5 | 13.2 2.3 | 1605 | S | 174 | 0.00 | 46.17 | 0.056 0.031 | 0 0 | 90 20 |
| Lower Angwin (Pioneer) | 6/21/26 | 81.3 5.5 | 1611 | 42.7 2.8 | 0330 | - | - | - | 2.0 0.1 | 14.6 2.1 | 1543 | SW | 217 | - | - | - | - | 90 20 |
| Las Posadas (Cal Fire) | 6/21/26 | 82.8 4.9 | 1542 | 47.2 0.6 | 0444 | 52.4 1.7 | 99 4 | 32 11 | 9.0 0.8 | 22.4 1.5 | 1819 | SW | 236 | 0.00 | 35.41 | 0.233 0.013 | 637 16 | - |
| Deer Park | 6/21/26 | 86.1 4.6 | 1653 | 50.2 4.0 | 0446 | 52.3 1.7 | 97 11 | 26 12 | 3.0 1.2 | 15.9 0.7 | 1744 | WNW | 284 | 0.00 | 29.37 | 0.174 0.010 | 476 32 | 60 10 |
| Lower Chiles Valley (Brown) | 6/21/26 | 85.5 4.6 | 1550 | 50.0 3.4 | 0312 | 52.4 1.9 | 100 17 | 32 3 | 3.8 0.3 | 16.8 1.0 | 1530 | WSW | 254 | 0.00 | 26.24 | 0.213 0.011 | 677 30 | 100 0 |
| Moss Creek Vineyard/Reservior | 6/21/26 | 89.8 6.7 | 1203 | 47.2 2.7 | 0617 | 50.8 0.6 | 93 0 | 25 8 | - | - | - | - | 0.00 | 27.15 | - | - | 50 10 |
| Max | 91.6 | - | 57.4 | - | 54.8 | 100 | 33 | 9.0 | 22.4 | - | - | 0.00 | 50.54 | 0.265 | 741 | - | |
| Avg | - | - | - | - | 52.1 | - | - | 3.8 | - | - | - | - | - | - | - | - | |
| Min | 79.4 | - | 42.7 | - | 48.8 | 71 | 19 | 2.0 | 13.2 | - | - | 0.00 | 23.55 | 0.056 | 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 | 5/31/26 | 88.7 6.1 | 1339 | 45.9 5.6 | 0544 | 52.8 1.2 | 97 1 | 32 5 | - | - | - | - | 0.00 | 32.79 | - | - | 30 10 |
| Diamond Mtn (Schramsberg) | 6/21/26 | 85.9 6.1 | 1515 | 50.1 4.1 | 0441 | 52.0 1.4 | 100 17 | 24 15 | - | - | - | - | 0.00 | 31.46 | - | - | 90 20 |
| Diamond Mtn (McEachran) | 6/21/26 | 86.4 8.4 | 1519 | 50.9 3.7 | 0415 | 51.9 1.1 | 97 14 | 26 16 | - | - | - | - | - | - | - | - | 100 0 |
| St. Helena-North | 6/21/26 | 88.0 2.0 | 1646 | 50.7 4.0 | 0405 | 50.7 1.4 | 86 8 | 22 8 | 2.4 | 13.2 0.9 | 1540 | SSE | 152 | 0.00 | 31.48 | 0.194 0.003 | 570 25 | 40 10 |
| St. Helena (NVV Office) | 6/21/26 | 89.8 4.8 | 1639 | 52.8 3.6 | 0335 | - | - | - | 1.5 | 9.5 2.0 | 1800 | W | 267 | 0.00 | 29.13 | - | - | 80 10 |
| Tiara Fria (East St. Helena) | 6/21/26 | 83.2 0.3 | 1629 | 52.4 3.6 | 0328 | 53.9 2.3 | 91 6 | 43 6 | 2.4 | 12.5 0.3 | 1752 | SE | 141 | 0.00 | 27.01 | - | - | 100 10 |
| Rutherford Hill Estate | 6/21/26 | 84.5 0.7 | 1452 | 51.7 1.1 | 0223 | 53.8 2.1 | 97 8 | 40 5 | 1.6 | 12.5 1.5 | 1721 | SSW | 193 | 0.00 | 25.35 | 0.175 0.019 | 553 46 | 100 0 |
| Rutherford-North (Mee Ln) | 6/21/26 | 82.9 0.6 | 1648 | 47.6 4.9 | 0246 | 53.0 1.7 | 92 4 | 43 8 | 3.5 | 15.8 1.3 | 1539 | ESE | 122 | 0.00 | 24.87 | 0.193 0.020 | 571 66 | 100 0 |
| Rutherford (STS) | 6/21/26 | 84.5 0.3 | 1609 | 48.0 2.7 | 0240 | 55.6 1.3 | 93 0 | 46 7 | 2.5 | 13.5 0.7 | 1518 | SE | 139 | 0.00 | 26.10 | 0.210 0.018 | 661 58 | 100 0 |
| Oakville-NE (Ranch 88) | 6/21/26 | 83.7 0.2 | 1516 | 47.9 4.9 | 0318 | 51.9 1.9 | 87 5 | 40 8 | 2.7 | 15.3 1.4 | 1521 | SE | 140 | 0.00 | 25.32 | 0.197 0.016 | 590 67 | 100 0 |
| OV561-East | 6/21/26 | 83.8 0.3 | 1637 | 49.7 3.7 | 0314 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| Oakville | 6/21/26 | 80.4 1.7 | 1545 | 49.6 3.7 | 0258 | 53.2 2.0 | 92 4 | 47 11 | 4.0 | 17.5 3.2 | 1610 | SE | 142 | 0.00 | 26.11 | 0.204 0.022 | 629 72 | 100 0 |
| OV518-West | 6/21/26 | 79.6 0.2 | 1607 | 49.7 4.1 | 0251 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| To Kalon Remote (TKKE) | 6/21/26 | 84.0 0.9 | 1459 | 49.1 3.4 | 0225 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| To Kalon | 6/21/26 | 81.7 0.3 | 1621 | 49.2 2.7 | 0248 | 54.1 2.2 | 94 4 | 47 9 | 3.7 | 16.1 1.7 | 1720 | SSE | 151 | 0.00 | 28.00 | 0.190 0.019 | 579 74 | 100 0 |
| To Kalon Remote (TKN5) | 6/21/26 | 84.3 0.5 | 1531 | 49.5 4.8 | 0242 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| Yountville (Ranch 67) | 6/21/26 | 79.0 1.1 | 1602 | 49.5 4.7 | 0307 | 52.4 2.4 | 91 5 | 47 12 | 3.9 | 16.8 0.2 | 1429 | SSE | 157 | 0.00 | 24.03 | 0.199 0.028 | 672 58 | 100 0 |
| Stags Leap Dist (Silverado Vineyards) | 6/21/26 | 79.0 2.2 | 1646 | 49.6 4.2 | 0305 | 52.6 1.9 | 92 5 | 47 12 | 3.2 | 16.7 1.1 | 1655 | SSE | 163 | 0.00 | 28.04 | 0.191 0.026 | 597 91 | 100 10 |
| Borreo (Soda Canyon) | 6/21/26 | 77.2 0.2 | 1547 | 45.2 2.6 | 0335 | 51.4 1.9 | 96 4 | 47 9 | 2.0 | 10.0 4.0 | 1402 | ESE | 122 | 0.00 | 27.74 | 0.190 0.028 | 645 71 | 100 10 |
| Wappo Hill Floor | 6/21/26 | 80.6 1.0 | 1547 | 48.1 5.9 | 0308 | 53.8 2.2 | 100 12 | 48 12 | 3.2 | 13.8 0.7 | 1453 | SE | 139 | 0.00 | 27.12 | 0.195 0.031 | 625 78 | 100 0 |
| Stags Leap Dist (Chimney Rock) | 6/21/26 | 79.1 1.3 | 1618 | 48.8 4.4 | 0256 | 55.0 1.4 | 97 8 | 54 10 | 3.2 | 13.4 1.5 | 1611 | E | 98 | 0.00 | 26.50 | 0.172 0.029 | 556 75 | 100 0 |
| Yountville-South (Ranch 87) | 6/21/26 | 81.8 0.4 | 1549 | 49.1 3.2 | 0314 | 54.0 1.9 | 94 4 | 46 9 | 2.1 | 11.7 3.5 | 1545 | SSE | 167 | 0.00 | 27.76 | 0.191 0.033 | 628 88 | 100 0 |
| Yountville-SE (Ranch 85) | 6/21/26 | 78.4 1.6 | 1607 | 49.5 5.0 | 0257 | 54.3 2.0 | 96 6 | 51 12 | 3.2 | 15.3 0.6 | 1529 | SSE | 150 | 0.00 | 26.09 | - | 0 0 | 100 0 |
| Oak Knoll-East (Ranch 53) | 6/21/26 | 78.6 1.5 | 1531 | 49.1 4.9 | 0311 | 52.8 1.9 | 91 1 | 48 12 | 3.0 | 14.9 1.2 | 1734 | SSE | 148 | 0.00 | 24.76 | 0.195 0.034 | 645 96 | 100 0 |
| Napa-NW (Ranch 54) | 6/21/26 | 82.8 0.9 | 1752 | 49.1 3.5 | 0346 | 53.0 1.9 | 92 2 | 38 4 | 0.7 | 6.8 8.3 | 1403 | ESE | 107 | 0.00 | 27.13 | - | 0 0 | 100 0 |
| Napa-North (Ranch 29) | 6/21/26 | 78.2 0.6 | 1647 | 52.0 2.2 | 0303 | 54.5 2.8 | 100 10 | 50 10 | 1.8 | 12.5 3.6 | 1710 | SW | 226 | 0.00 | 25.63 | 0.140 0.016 | 449 5 | 100 0 |
| Max | 89.8 | - | 52.8 | - | 55.6 | 100 | 54 | 4.0 | 17.5 | - | - | 0.00 | 31.48 | 0.210 | 672 | - | |
| Avg | - | - | - | - | 53.2 | - | - | 2.7 | - | - | - | - | - | - | - | - | |
| Min | 77.2 | - | 45.2 | - | 50.7 | 86 | 22 | 0.7 | 6.8 | - | - | 0.00 | 24.03 | 0.140 | 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 | 6/21/26 | 79.5 3.2 | 1521 | 50.0 0.8 | 0544 | 52.2 2.6 | 93 6 | 37 6 | 1.8 | 11.5 0.9 | 1422 | S | 184 | 0.00 | 34.60 | 0.185 0.003 | 635 9 | 90 20 |
| Mount George (Napa East) | 6/21/26 | 81.8 1.3 | 1532 | 52.7 1.8 | 0333 | 55.6 1.6 | 96 1 | 51 8 | 1.9 | 9.8 2.9 | 1345 | W | 262 | 0.00 | 17.28 | 0.181 0.037 | 607 113 | 100 0 |
| Napa-East (Palmaz 300') | 6/21/26 | 81.4 0.1 | 1526 | 50.8 1.5 | 0150 | 53.9 2.3 | 100 8 | 45 9 | 1.9 | 10.7 4.5 | 1448 | SW | 227 | 0.00 | 23.52 | 0.171 0.020 | 553 34 | 100 0 |
| Napa-East (Palmaz 1200') | 6/12/26 | 86.5 8.3 | 1535 | 53.7 3.0 | 0050 | 52.0 10.9 | 86 8 | 34 25 | 2.3 | 14.6 1.8 | 1450 | NW | 311 | - | - | 0.233 0.035 | 717 12 | 90 20 |
| Napa-East (Palmaz 1400') | 6/21/26 | 75.3 2.0 | 1534 | 49.9 0.7 | 0600 | 53.1 2.4 | 100 6 | 53 5 | 3.0 | 12.4 5.8 | 1438 | SW | 235 | 0.00 | 31.03 | 0.180 0.023 | 644 68 | 40 10 |
| Wooden Valley | 6/21/26 | 80.8 4.0 | 1613 | 51.6 1.8 | 0525 | 51.7 2.3 | 93 9 | 41 1 | 4.4 | 13.3 4.7 | 0956 | SW | 236 | 0.00 | 29.46 | 0.209 0.009 | 691 17 | 100 0 |
| Napa-West Upper (Truchard) | 6/21/26 | 78.3 3.2 | 1613 | 48.4 1.9 | 0331 | 20.6 31.0 | 100 0 | 0 36 | 3.6 | 15.7 3.4 | 1651 | S | 170 | 0.00 | 24.70 | 0.191 0.047 | 598 121 | 100 0 |
| Napa-West Lower (Truchard) | 6/21/26 | 78.6 2.9 | 1613 | 42.4 3.3 | 0331 | 51.8 0.9 | 94 5 | 44 9 | - | - | - | - | - | - | - | - | 100 0 |
| Napa-South (Toyon Farms) | 6/21/26 | 75.3 3.6 | 1622 | 50.5 2.8 | 0318 | 55.3 1.2 | 99 3 | 56 11 | 3.4 | 15.8 2.3 | 1711 | SSE | 161 | 0.00 | 18.70 | 0.104 0.024 | 342 24 | 100 0 |
| Toyon Remote 1 | 6/21/26 | 76.7 7.0 | 1736 | 44.4 5.3 | 0320 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 6/21/26 | 75.2 4.9 | 1610 | 45.9 6.7 | 0319 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 6/21/26 | 78.1 4.4 | 1744 | 45.0 6.3 | 0306 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 6/21/26 | 78.6 0.4 | 1711 | 48.8 5.1 | 0317 | 53.0 2.0 | 95 4 | 45 6 | 2.7 | 13.9 4.4 | 1425 | SSE | 163 | 0.00 | 23.81 | 0.172 0.045 | 579 129 | 100 0 |
| Carneros (Saintsbury) | 6/21/26 | 74.5 4.5 | 1543 | 50.0 2.7 | 0301 | 53.3 2.0 | 100 8 | 50 12 | 5.1 | 18.1 2.0 | 1827 | SW | 214 | 0.00 | 8.94 | - | - | 80 10 |
| Suscol Lower (Ranch 35) | 6/21/26 | 76.5 1.6 | 1521 | 49.7 2.6 | 0240 | 53.2 2.5 | - | - | 4.0 | 16.2 2.3 | 1711 | S | 191 | 0.00 | 23.25 | 0.158 0.062 | 508 146 | 80 10 |
| Suscol Mtn (Ranch 93) | 6/21/26 | 79.0 0.8 | 1558 | 51.3 0.4 | 0330 | 54.2 3.2 | 100 2 | 50 9 | 5.0 | 15.4 6.2 | 1413 | NW | 310 | 0.00 | 19.27 | - | - | 100 20 |
| Suscol Upper (Ranch 92) | 6/21/26 | 76.1 1.6 | 1516 | 51.9 0.1 | 0051 | 43.9 0.6 | 100 0 | 3 0 | 0.3 | 12.1 6.9 | 1706 | S | 186 | 0.00 | 22.76 | - | - | 30 10 |
| Stanly (Ranch 45) | 6/21/26 | 75.2 4.5 | 1552 | 47.6 4.1 | 0222 | 53.0 1.8 | 94 4 | 53 17 | 4.7 | 16.3 4.6 | 1817 | S | 185 | 0.00 | 22.51 | 0.182 0.070 | 617 159 | 90 10 |
| Carneros Upper (Ranch 81) | 6/21/26 | 78.2 1.6 | 1646 | 52.2 1.5 | 0241 | 41.8 9.0 | - | - | 6.9 | 22.9 0.9 | 1802 | WSW | 250 | - | - | - | - | 90 10 |
| Carneros (Mitsuko) | 6/21/26 | 76.6 2.7 | 1724 | 50.5 3.1 | 0215 | - | - | - | - | - | - | - | - | - | - | - | 90 10 |
| Carneros Lower (Ranch 81) | 6/21/26 | 82.6 0.8 | 1709 | 52.6 1.3 | 0242 | 54.2 1.8 | 94 2 | 41 6 | 1.5 | 13.2 7.1 | 1444 | SSE | 161 | 0.00 | 19.55 | 0.157 0.040 | 526 114 | 100 0 |
| Carneros (Milton Rd) | 6/21/26 | 74.6 5.8 | 1535 | 48.5 3.8 | 0246 | 53.3 2.2 | 94 4 | 51 14 | - | - | - | - | 0.00 | 18.07 | - | - | 100 0 |
| Max | 82.6 | - | 52.7 | - | 55.6 | 100 | 56 | 6.9 | 22.9 | - | - | 0.00 | 34.60 | 0.209 | 691 | - | |
| Avg | - | - | - | - | 50.2 | - | - | 3.3 | - | - | - | - | - | - | - | - | |
| Min | 74.5 | - | 42.4 | - | 20.6 | 93 | 0 | 0.3 | 9.8 | - | - | 0.00 | 8.94 | 0.104 | 342 | - |