| 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 | 7/21/26 | 91.2 4.5 | 1501 | 63.1 1.1 | 0130 | - | - | - | - | - | - | - | 0.00 | 0.00 | - | - | 60 10 |
| Pope Valley (Weeks Lake) | 7/21/26 | 97.9 6.9 | 1532 | 63.5 2.3 | 0614 | 45.0 1.3 | 65 8 | 8 4 | 2.2 0.7 | 13.8 3.3 | 1325 | SSW | 204 | 0.00 | 0.00 | 0.222 0.067 | 540 143 | 0 0 |
| Dollarhide Base | 7/21/26 | 101.8 8.2 | 1314 | 66.4 3.4 | 0602 | 50.7 0.8 | 68 7 | 11 4 | 4.0 1.1 | 17.0 2.7 | 1414 | WSW | 254 | 0.00 | 0.00 | 0.276 0.090 | 614 172 | 10 10 |
| Dollarhide 1AS Remote | 7/21/26 | 102.2 6.7 | 1316 | 63.6 1.5 | 0601 | 49.7 0.1 | 66 10 | 11 3 | 3.1 0.3 | 14.9 0.0 | 1646 | SSW | 211 | - | - | - | - | 0 0 |
| Dollarhide 16A Remote | 7/21/26 | 101.5 7.7 | 1545 | 65.6 2.8 | 0605 | 50.8 0.9 | 66 9 | 11 7 | - | - | - | - | - | - | - | - | 0 0 |
| Dollarhide 18A Remote | 7/21/26 | 99.8 9.2 | 1729 | 62.4 0.5 | 0611 | 49.9 0.2 | 70 6 | 10 6 | - | - | - | - | - | - | - | - | 0 0 |
| Hardin Rd (Eakle) | 7/21/26 | 99.9 9.2 | 1527 | 64.2 1.5 | 0621 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Angwin | 7/21/26 | 88.9 6.4 | 1246 | 61.7 0.9 | 0059 | 34.0 4.7 | 83 33 | 5 2 | 2.5 0.6 | 13.4 2.1 | 1549 | SE | 143 | 0.00 | 0.00 | 0.065 0.016 | 0 0 | 100 0 |
| Lower Angwin (Pioneer) | 7/21/26 | 91.0 4.7 | 1635 | 59.0 2.8 | 0106 | - | - | - | 2.1 0.6 | 12.5 0.9 | 0059 | SW | 225 | - | - | - | - | 90 10 |
| Las Posadas (Cal Fire) | 7/21/26 | 94.6 11.3 | 1613 | 64.3 7.1 | 0120 | 44.4 5.3 | 84 0 | 9 11 | 6.7 0.8 | 21.3 2.9 | 2214 | WSW | 257 | 0.00 | 0.00 | 0.281 0.100 | 528 161 | - |
| Deer Park | 7/21/26 | 99.1 11.3 | 1624 | 65.8 8.1 | 0216 | 47.9 3.5 | 81 1 | 11 6 | 3.8 0.9 | 16.7 3.3 | 0021 | WNW | 302 | 0.00 | 0.00 | 0.198 0.060 | 388 92 | 70 10 |
| Lower Chiles Valley (Brown) | 7/21/26 | 97.0 9.4 | 1626 | 62.0 3.8 | 0605 | 46.1 5.4 | 77 8 | 8 17 | 3.0 0.4 | 15.3 2.7 | 1438 | WNW | 303 | 0.00 | 0.00 | 0.240 0.091 | 586 230 | 30 10 |
| Moss Creek Vineyard/Reservior | 7/21/26 | 100.0 5.5 | 1530 | 66.1 4.5 | 0454 | 44.5 4.7 | 64 16 | 4 3 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Max | 102.2 | - | 66.4 | - | 50.8 | 84 | 11 | 6.7 | 21.3 | - | - | 0.00 | 0.00 | 0.281 | 614 | - | |
| Avg | - | - | - | - | 46.3 | - | - | 3.4 | - | - | - | - | - | - | - | - | |
| Min | 88.9 | - | 59.0 | - | 34.0 | 64 | 4 | 2.1 | 12.5 | - | - | 0.00 | 0.00 | 0.065 | 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 | 7/21/26 | 99.4 12.2 | 1523 | 62.8 4.9 | 0540 | 51.8 3.5 | 81 6 | 19 7 | - | - | - | - | 0.00 | 0.00 | - | - | 10 10 |
| Diamond Mtn (Schramsberg) | 7/21/26 | 97.3 10.3 | 1614 | 66.6 10.6 | 0011 | 43.7 5.8 | 81 5 | 15 1 | - | - | - | - | 0.00 | 0.00 | - | - | 70 10 |
| Diamond Mtn (McEachran) | 7/21/26 | 95.8 9.9 | 1725 | 64.8 7.6 | 0550 | 43.7 6.2 | 79 6 | 14 5 | - | - | - | - | - | - | - | - | 70 10 |
| St. Helena-North | 7/21/26 | 101.1 11.0 | 1527 | 64.0 4.4 | 0549 | 43.7 5.7 | 71 3 | 10 7 | 2.1 | 13.6 0.4 | 1956 | NW | 308 | 0.00 | 0.00 | 0.197 0.047 | 494 116 | 0 0 |
| St. Helena (NVV Office) | 7/21/26 | 101.3 11.3 | 1601 | 65.6 5.2 | 0544 | - | - | - | 1.5 | 9.6 1.3 | 1629 | NNW | 330 | 0.00 | 0.00 | - | - | 0 0 |
| Tiara Fria (East St. Helena) | 7/21/26 | 98.6 12.1 | 1621 | 64.7 4.2 | 0210 | 51.7 2.4 | 78 0 | 15 3 | 2.2 | 13.4 3.5 | 2306 | NW | 321 | 0.00 | 0.00 | - | - | 20 10 |
| Prisoner Winery | 7/21/26 | 101.2 10.9 | 1628 | 63.6 3.8 | 0151 | 52.4 2.1 | 83 1 | 16 1 | 1.3 | 7.5 0.6 | 1637 | SSE | 147 | 0.00 | 0.00 | 0.038 0.005 | 0 25 | 0 0 |
| Rutherford Hill Estate | 7/21/26 | 99.8 11.1 | 1614 | 64.4 5.7 | 0610 | 52.3 2.1 | 76 7 | 18 1 | 1.8 | 14.9 3.7 | 2010 | SW | 215 | 0.00 | 0.00 | 0.188 0.058 | 502 132 | 20 10 |
| Rutherford-North (Mee Ln) | 7/21/26 | 100.5 11.6 | 1553 | 62.8 2.8 | 0201 | 52.9 1.8 | 81 1 | 18 1 | 2.7 | 16.9 3.7 | 1635 | SE | 124 | 0.00 | 0.00 | 0.214 0.069 | 521 140 | 50 10 |
| Rutherford (STS) | 7/21/26 | 100.4 9.8 | 1528 | 62.2 3.0 | 0145 | 56.6 1.3 | 86 2 | 22 3 | 2.0 | 11.8 0.2 | 1605 | ESE | 112 | 0.00 | 0.00 | 0.219 0.074 | 580 163 | 20 10 |
| Oakville-NE (Ranch 88) | 7/21/26 | 99.2 10.1 | 1546 | 63.0 2.8 | 0613 | 51.9 2.1 | 77 0 | 15 4 | 2.1 | 14.6 1.5 | 1626 | S | 185 | 0.00 | 0.00 | 0.209 0.068 | 524 136 | 100 0 |
| OV561-East | 7/21/26 | 100.6 9.3 | 1605 | 63.9 3.7 | 0611 | - | - | - | - | - | - | - | - | - | - | - | 40 10 |
| Oakville | 7/21/26 | 95.5 8.9 | 1605 | 63.2 3.2 | 0600 | 53.4 1.9 | 81 0 | 18 2 | 3.3 | 15.3 1.8 | 1620 | SE | 140 | 0.00 | 0.00 | 0.234 0.082 | 567 155 | 90 10 |
| OV518-West | 7/21/26 | 95.1 9.0 | 1542 | 62.7 3.2 | 0556 | - | - | - | - | - | - | - | - | - | - | - | 90 10 |
| To Kalon Remote (TKKE) | 7/21/26 | 100.2 10.8 | 1540 | 63.6 3.0 | 0203 | - | - | - | - | - | - | - | - | - | - | - | 20 10 |
| To Kalon | 7/21/26 | 97.5 11.3 | 1548 | 63.0 3.2 | 0151 | 53.7 2.3 | 77 7 | 19 4 | 2.9 | 16.4 2.9 | 1618 | SE | 146 | 0.00 | 0.00 | 0.229 0.087 | 542 166 | 90 10 |
| To Kalon Remote (TKN5) | 7/21/26 | 99.8 11.2 | 1545 | 63.5 3.2 | 0201 | - | - | - | - | - | - | - | - | - | - | - | 20 10 |
| Yountville (Ranch 67) | 7/21/26 | 94.0 9.2 | 1525 | 62.5 3.5 | 0615 | 52.6 2.5 | 82 1 | 18 19 | 3.0 | 16.4 2.9 | 1811 | SSE | 153 | 0.00 | 0.00 | 0.223 0.075 | 566 136 | 90 10 |
| Stags Leap Dist (Silverado Vineyards) | 7/21/26 | 95.9 10.0 | 1507 | 62.8 3.5 | 0622 | 52.5 2.5 | 82 2 | 17 19 | 2.7 | 15.7 2.1 | 1918 | SE | 133 | 0.00 | 0.00 | 0.216 0.075 | 524 139 | 100 0 |
| Borreo (Soda Canyon) | 7/21/26 | 93.3 7.8 | 1507 | 62.3 4.6 | 0611 | 49.6 4.4 | 79 5 | 13 19 | 1.9 | 11.5 1.5 | 1335 | S | 177 | 0.00 | 0.00 | 0.217 0.068 | 597 144 | 100 0 |
| Wappo Hill Floor | 7/21/26 | 95.6 9.3 | 1529 | 62.9 2.7 | 0610 | 54.1 2.2 | 83 2 | 18 20 | 2.8 | 11.5 0.4 | 1542 | SSE | 152 | 0.00 | 0.00 | 0.222 0.077 | 561 159 | 90 10 |
| Stags Leap Dist (Chimney Rock) | 7/21/26 | 95.3 9.9 | 1509 | 63.2 3.3 | 0559 | 57.0 1.1 | 86 2 | 24 19 | 2.8 | 12.6 1.6 | 2025 | E | 84 | 0.00 | 0.00 | 0.210 0.074 | 520 144 | 90 10 |
| Yountville-South (Ranch 87) | 7/21/26 | 95.6 8.9 | 1541 | 62.3 2.4 | 0603 | 55.1 2.1 | 86 2 | 19 18 | 1.8 | 13.5 3.6 | 1611 | SSE | 159 | 0.00 | 0.00 | 0.199 0.073 | 537 178 | 80 10 |
| Yountville-SE (Ranch 85) | 7/21/26 | 94.8 9.8 | 1541 | 63.4 3.7 | 0612 | 55.2 1.8 | 86 1 | 20 20 | 2.6 | 12.4 0.7 | 1637 | SSE | 160 | 0.00 | 0.00 | - | 0 0 | 90 10 |
| Oak Knoll-East (Ranch 53) | 7/21/26 | 94.2 8.6 | 1633 | 63.4 3.5 | 0619 | 53.6 2.3 | 83 2 | 18 21 | 2.3 | 15.2 4.5 | 1451 | SE | 127 | 0.00 | 0.00 | 0.221 0.074 | 579 165 | 80 10 |
| Napa-NW (Ranch 54) | 7/21/26 | 96.6 7.2 | 1658 | 62.4 2.3 | 0608 | 52.9 3.3 | 78 3 | 15 14 | 0.6 | 7.2 2.0 | 1636 | S | 191 | 0.00 | 0.00 | - | 0 0 | 70 10 |
| Napa-North (Ranch 29) | 7/21/26 | 91.3 7.0 | 1517 | 63.6 4.3 | 0542 | 54.7 1.9 | 84 0 | 20 23 | 2.1 | 15.3 3.6 | 1538 | SSW | 194 | 0.00 | 0.00 | 0.165 0.058 | 395 110 | 90 10 |
| Max | 101.3 | - | 66.6 | - | 57.0 | 86 | 24 | 3.3 | 16.9 | - | - | 0.00 | 0.00 | 0.234 | 597 | - | |
| Avg | - | - | - | - | 52.0 | - | - | 2.2 | - | - | - | - | - | - | - | - | |
| Min | 91.3 | - | 62.2 | - | 43.7 | 71 | 10 | 0.6 | 7.2 | - | - | 0.00 | 0.00 | 0.038 | 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 | 7/20/26 | 83.9 0.0 | 1502 | 57.4 1.9 | 0700 | 49.2 2.9 | 84 5 | 15 15 | 1.3 | 10.2 0.7 | 1411 | E | 95 | 0.00 | 0.00 | 0.176 0.063 | 671 218 | 100 0 |
| Mount George (Napa East) | 7/21/26 | 97.0 2.2 | 1046 | 67.7 9.0 | 0101 | 55.2 1.9 | 85 3 | 16 19 | 1.6 | 11.7 0.4 | 1313 | SSW | 206 | 0.00 | 0.00 | 0.209 0.068 | 576 158 | 100 0 |
| Napa-East (Palmaz 300') | 7/21/26 | 97.3 6.6 | 1459 | 63.0 4.4 | 0615 | 52.0 3.8 | 83 0 | 15 13 | 1.5 | 12.6 0.3 | 2007 | SSE | 157 | 0.00 | 0.00 | 0.193 0.063 | 506 124 | 80 10 |
| Napa-East (Palmaz 1200') | 7/3/26 | 79.0 6.0 | 1616 | 49.0 3.8 | 0539 | 47.1 0.2 | 100 0 | 45 38 | 2.0 | 12.7 4.5 | 1533 | NW | 313 | - | - | 0.192 0.009 | 656 3 | 30 20 |
| Napa-East (Palmaz 1400') | 7/21/26 | 91.2 7.6 | 1544 | 63.4 8.5 | 0058 | 46.4 5.9 | 72 21 | 14 12 | 2.7 | 13.3 0.7 | 1529 | SW | 231 | 0.00 | 0.00 | 0.221 0.072 | 580 134 | 90 10 |
| Wooden Valley | 7/21/26 | 95.0 7.9 | 1553 | 65.4 4.6 | 0310 | 43.5 6.0 | 57 14 | 8 5 | 3.5 | 15.3 1.5 | 1734 | SW | 233 | 0.00 | 0.00 | 0.248 0.096 | 588 207 | 90 10 |
| Napa-West Upper (Truchard) | 7/21/26 | 95.4 9.6 | 1505 | 61.9 4.3 | 0610 | 54.1 2.1 | 86 0 | 17 21 | 2.9 | 14.3 1.8 | 1622 | SSE | 163 | 0.00 | 0.00 | 0.231 0.085 | 560 158 | 90 10 |
| Napa-West Lower (Truchard) | 7/21/26 | 93.9 8.3 | 1500 | 60.0 3.1 | 0609 | 53.6 2.1 | 86 1 | 17 21 | - | - | - | - | - | - | - | - | 90 10 |
| Napa-South (Toyon Farms) | 7/21/26 | 93.1 10.5 | 1605 | 61.9 3.9 | 0557 | 57.7 1.1 | 89 2 | 24 23 | 3.1 | 13.8 1.3 | 1738 | SSE | 163 | 0.00 | 0.00 | 0.146 0.059 | 296 63 | 90 10 |
| Toyon Remote 1 | 7/21/26 | 92.2 9.4 | 1455 | 60.1 3.6 | 0600 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 7/21/26 | 91.7 9.2 | 1620 | 61.2 2.8 | 0602 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 7/21/26 | 92.1 7.7 | 1518 | 60.7 3.0 | 0604 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 7/21/26 | 91.3 8.3 | 1628 | 61.7 3.8 | 0601 | 53.2 2.4 | 84 2 | 16 21 | 2.6 | 14.0 1.2 | 1538 | SSE | 155 | 0.00 | 0.00 | 0.220 0.081 | 589 182 | 90 10 |
| Carneros (Saintsbury) | 7/21/26 | 91.0 9.4 | 1618 | 60.5 3.8 | 0603 | 53.0 2.9 | 85 3 | 17 24 | 4.2 | 16.8 3.4 | 1749 | SSW | 198 | 0.00 | 0.00 | - | - | 90 10 |
| Suscol Lower (Ranch 35) | 7/21/26 | 92.3 8.7 | 1603 | 61.8 4.5 | 0556 | 50.7 4.7 | 82 3 | 14 25 | 4.9 | 17.8 3.6 | 1628 | S | 184 | 0.00 | 0.00 | 0.244 0.092 | 540 126 | 90 10 |
| Suscol Mtn (Ranch 93) | 7/21/26 | 96.5 11.3 | 1506 | 61.9 7.4 | 0441 | 49.6 4.8 | 91 3 | 13 25 | 3.9 | 17.2 0.6 | 2006 | WSW | 252 | 0.00 | 0.00 | - | - | 90 10 |
| Suscol Upper (Ranch 92) | 7/21/26 | 91.4 8.0 | 1631 | 62.2 7.0 | 0454 | 49.7 4.9 | 90 3 | 14 24 | 3.4 | 15.9 1.2 | 2221 | S | 169 | 0.00 | 0.00 | - | - | 50 10 |
| Stanly (Ranch 45) | 7/21/26 | 90.0 8.8 | 1528 | 62.0 4.0 | 0555 | 53.4 3.0 | 84 2 | 20 24 | 5.1 | 18.7 3.6 | 1730 | SSW | 210 | 0.00 | 0.00 | 0.257 0.093 | 613 142 | 80 10 |
| Carneros Upper (Ranch 81) | 7/21/26 | 94.0 10.3 | 1603 | 63.0 6.4 | 0541 | 50.3 4.5 | - | - | 4.9 | 19.1 1.1 | 1833 | S | 189 | - | - | - | - | 90 10 |
| Carneros (Mitsuko) | 7/21/26 | 90.3 8.3 | 1600 | 60.2 2.2 | 0559 | - | - | - | - | - | - | - | - | - | - | - | 90 10 |
| Carneros Lower (Ranch 81) | 7/21/26 | 92.4 6.1 | 1445 | 62.0 4.2 | 0606 | 52.9 3.3 | 83 5 | 20 16 | 1.9 | 13.7 2.1 | 1828 | S | 183 | 0.00 | 0.00 | 0.205 0.072 | 542 136 | 90 10 |
| Carneros (Milton Rd) | 7/21/26 | 90.7 9.7 | 1618 | 61.2 3.1 | 0549 | 53.2 3.0 | 84 2 | 18 26 | - | - | - | - | 0.00 | 0.00 | - | - | 100 0 |
| Max | 97.3 | - | 67.7 | - | 57.7 | 91 | 24 | 5.1 | 19.1 | - | - | 0.00 | 0.00 | 0.257 | 613 | - | |
| Avg | - | - | - | - | 51.8 | - | - | 3.3 | - | - | - | - | - | - | - | - | |
| Min | 90.0 | - | 60.0 | - | 43.5 | 57 | 8 | 1.5 | 11.7 | - | - | 0.00 | 0.00 | 0.146 | 296 | - |