| 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 | 7/20/26 | 86.7 3.9 | 1129 | 62.0 9.2 | 0635 | - | - | - | - | - | - | - | 0.00 | 0.00 | - | - | 70 20 |
| Pope Valley (Weeks Lake) | 7/20/26 | 91.0 5.1 | 1535 | 61.2 15.4 | 0525 | 46.2 0.3 | 73 20 | 12 2 | 1.6 0.2 | 17.1 5.7 | 1613 | SE | 135 | 0.00 | 0.00 | 0.155 0.043 | 397 131 | 0 0 |
| Dollarhide Base | 7/20/26 | 93.6 6.0 | 1604 | 62.9 10.3 | 0546 | 49.9 3.3 | 75 20 | 16 1 | 2.9 0.1 | 14.3 0.1 | 1621 | SSW | 202 | 0.00 | 0.00 | 0.186 0.047 | 442 148 | 0 0 |
| Dollarhide 1AS Remote | 7/20/26 | 95.5 5.4 | 1604 | 62.1 13.9 | 0553 | 49.6 1.6 | 76 13 | 14 2 | 2.7 0.1 | 14.9 0.8 | 1919 | SSW | 192 | - | - | - | - | 0 0 |
| Dollarhide 16A Remote | 7/20/26 | 93.8 6.7 | 1617 | 62.8 10.3 | 0518 | 49.8 3.4 | 75 18 | 18 6 | - | - | - | - | - | - | - | - | 0 0 |
| Dollarhide 18A Remote | 7/20/26 | 90.6 6.3 | 1540 | 62.0 15.3 | 0550 | 49.7 0.7 | 76 18 | 16 1 | - | - | - | - | - | - | - | - | 0 0 |
| Hardin Rd (Eakle) | 7/20/26 | 90.7 6.2 | 1618 | 62.7 12.3 | 0528 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Angwin | 7/20/26 | 82.5 3.6 | 1151 | 62.6 3.6 | 0613 | 29.3 8.7 | 51 7 | 4 1 | 1.9 1.1 | 11.2 0.0 | 1653 | SSE | 158 | 0.00 | 0.00 | 0.049 0.023 | 0 0 | 100 0 |
| Lower Angwin (Pioneer) | 7/20/26 | 86.3 1.8 | 1150 | 56.2 13.3 | 0430 | - | - | - | 1.6 0.4 | 11.6 1.8 | 1604 | WSW | 254 | - | - | - | - | 100 20 |
| Las Posadas (Cal Fire) | 7/20/26 | 83.3 7.3 | 1201 | 57.2 9.3 | 0500 | 49.8 2.3 | 84 14 | 19 4 | 5.9 0.8 | 18.5 0.0 | 0606 | SW | 229 | 0.00 | 0.00 | 0.181 0.037 | 366 166 | - |
| Deer Park | 7/20/26 | 87.8 2.3 | 1601 | 57.7 6.1 | 0648 | 51.5 1.9 | 82 13 | 17 14 | 2.9 0.4 | 13.4 1.7 | 1835 | NW | 309 | 0.00 | 0.00 | 0.138 0.026 | 297 108 | 80 20 |
| Lower Chiles Valley (Brown) | 7/20/26 | 87.6 4.1 | 1534 | 58.3 6.7 | 0345 | 51.5 0.7 | 85 15 | 25 14 | 3.4 0.9 | 12.6 1.8 | 1544 | WNW | 298 | 0.00 | 0.00 | 0.149 0.056 | 357 207 | 40 20 |
| Moss Creek Vineyard/Reservior | 7/20/26 | 94.5 3.0 | 1556 | 61.6 10.2 | 0550 | 49.2 0.5 | 81 8 | 7 9 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Max | 95.5 | - | 62.9 | - | 51.5 | 85 | 25 | 5.9 | 18.5 | - | - | 0.00 | 0.00 | 0.186 | 442 | - | |
| Avg | - | - | - | - | 47.6 | - | - | 2.9 | - | - | - | - | - | - | - | - | |
| Min | 82.5 | - | 56.2 | - | 29.3 | 51 | 4 | 1.6 | 11.2 | - | - | 0.00 | 0.00 | 0.049 | 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 | 7/20/26 | 87.2 7.7 | 1612 | 57.9 8.1 | 0631 | 55.4 1.2 | 86 10 | 26 1 | - | - | - | - | 0.00 | 0.00 | - | - | 20 20 |
| Diamond Mtn (Schramsberg) | 7/20/26 | 87.0 3.6 | 1506 | 56.0 5.3 | 0621 | 49.5 3.4 | 86 14 | 14 14 | - | - | - | - | 0.00 | 0.00 | - | - | 80 20 |
| Diamond Mtn (McEachran) | 7/20/26 | 85.9 6.3 | 1444 | 57.2 5.2 | 0618 | 50.0 3.7 | 85 10 | 18 9 | - | - | - | - | - | - | - | - | 80 20 |
| St. Helena-North | 7/20/26 | 90.1 1.5 | 1558 | 59.6 7.1 | 0625 | 49.4 2.6 | 74 9 | 17 10 | 1.9 | 13.2 0.4 | 1254 | SSE | 162 | 0.00 | 0.00 | 0.150 0.050 | 377 128 | 0 0 |
| St. Helena (NVV Office) | 7/20/26 | 90.0 0.2 | 1811 | 60.5 5.7 | 0630 | - | - | - | 1.2 | 8.2 1.0 | 1308 | SE | 136 | 0.00 | 0.00 | - | - | 0 10 |
| Tiara Fria (East St. Helena) | 7/20/26 | 86.5 0.5 | 1816 | 60.5 6.7 | 0642 | 54.0 0.3 | 77 13 | 18 17 | 1.9 | 9.9 0.7 | 0607 | WNW | 302 | 0.00 | 0.00 | - | - | 30 10 |
| Prisoner Winery | 7/20/26 | 90.3 1.4 | 1802 | 59.8 10.2 | 0318 | 54.4 0.2 | 82 15 | 15 17 | 1.2 | 8.0 0.2 | 1255 | SSE | 160 | 0.00 | 0.00 | 0.033 0.123 | 25 436 | 0 10 |
| Rutherford Hill Estate | 7/20/26 | 88.7 0.2 | 1607 | 58.7 5.8 | 0510 | 54.4 0.2 | 82 11 | 17 15 | 1.2 | 11.2 0.0 | 1246 | SSW | 202 | 0.00 | 0.00 | 0.130 0.027 | 370 104 | 30 10 |
| Rutherford-North (Mee Ln) | 7/20/26 | 88.9 1.9 | 1804 | 60.0 12.1 | 0434 | 54.6 1.1 | 81 12 | 16 19 | 2.2 | 13.2 1.8 | 1256 | SE | 138 | 0.00 | 0.00 | 0.145 0.032 | 381 106 | 60 10 |
| Rutherford (STS) | 7/20/26 | 90.6 1.7 | 1602 | 59.2 11.5 | 0435 | 57.9 1.8 | 88 5 | 19 22 | 1.5 | 12.1 0.3 | 1235 | SE | 128 | 0.00 | 0.00 | 0.145 0.034 | 417 115 | 30 10 |
| Oakville-NE (Ranch 88) | 7/20/26 | 89.1 1.3 | 1602 | 60.1 10.6 | 0429 | 54.0 1.3 | 78 10 | 20 14 | 1.6 | 13.0 1.4 | 1242 | SSW | 195 | 0.00 | 0.00 | 0.141 0.034 | 388 104 | 100 0 |
| OV561-East | 7/20/26 | 91.3 5.0 | 1603 | 60.1 7.6 | 0529 | - | - | - | - | - | - | - | - | - | - | - | 50 10 |
| Oakville | 7/20/26 | 86.6 3.3 | 1731 | 60.0 7.8 | 0559 | 55.2 1.2 | 80 11 | 19 22 | 2.6 | 13.6 3.1 | 1234 | SE | 133 | 0.00 | 0.00 | 0.152 0.032 | 412 118 | 100 0 |
| OV518-West | 7/20/26 | 86.1 3.4 | 1730 | 59.5 7.8 | 0539 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| To Kalon Remote (TKKE) | 7/20/26 | 89.4 1.2 | 1601 | 60.6 10.7 | 0428 | - | - | - | - | - | - | - | - | - | - | - | 30 10 |
| To Kalon | 7/20/26 | 86.2 1.6 | 1813 | 59.8 9.8 | 0512 | 56.0 1.2 | 84 10 | 22 19 | 2.4 | 13.5 2.9 | 1240 | SE | 126 | 0.00 | 0.00 | 0.142 0.036 | 376 123 | 100 0 |
| To Kalon Remote (TKN5) | 7/20/26 | 88.6 0.6 | 1601 | 60.4 9.9 | 0446 | - | - | - | - | - | - | - | - | - | - | - | 30 10 |
| Yountville (Ranch 67) | 7/20/26 | 84.8 2.3 | 1728 | 59.0 6.2 | 0515 | 55.0 1.7 | 81 9 | 37 4 | 2.7 | 13.6 1.6 | 1238 | SSE | 166 | 0.00 | 0.00 | 0.148 0.042 | 430 158 | 100 0 |
| Stags Leap Dist (Silverado Vineyards) | 7/20/26 | 85.9 3.0 | 1600 | 59.2 6.8 | 0516 | 55.0 1.6 | 80 11 | 36 4 | 2.3 | 13.7 2.6 | 1244 | SSE | 148 | 0.00 | 0.00 | 0.141 0.046 | 385 164 | 100 0 |
| Borreo (Soda Canyon) | 7/20/26 | 85.5 2.4 | 1633 | 57.6 7.9 | 0539 | 54.0 1.6 | 84 10 | 32 5 | 1.5 | 10.0 0.2 | 1650 | SSW | 198 | 0.00 | 0.00 | 0.149 0.033 | 453 140 | 100 0 |
| Wappo Hill Floor | 7/20/26 | 86.3 1.9 | 1608 | 60.2 7.9 | 0534 | 56.3 1.6 | 82 18 | 38 3 | 2.3 | 11.9 0.8 | 1246 | SE | 142 | 0.00 | 0.00 | 0.145 0.037 | 402 143 | 100 0 |
| Stags Leap Dist (Chimney Rock) | 7/20/26 | 85.4 2.3 | 1621 | 59.9 6.7 | 0504 | 58.1 2.1 | 85 10 | 43 4 | 2.3 | 11.0 3.1 | 1238 | SSE | 148 | 0.00 | 0.00 | 0.136 0.026 | 377 113 | 100 0 |
| Yountville-South (Ranch 87) | 7/20/26 | 86.7 1.7 | 1601 | 59.9 8.1 | 0523 | 57.2 2.3 | 84 9 | 37 3 | 1.6 | 10.0 1.5 | 1224 | SSE | 163 | 0.00 | 0.00 | 0.126 0.049 | 359 189 | 90 10 |
| Yountville-SE (Ranch 85) | 7/20/26 | 85.0 3.6 | 1607 | 59.7 6.9 | 0437 | 57.0 1.9 | 85 9 | 40 5 | 2.0 | 11.7 2.4 | 1234 | SE | 137 | 0.00 | 0.00 | - | 0 0 | 100 0 |
| Oak Knoll-East (Ranch 53) | 7/20/26 | 85.6 2.5 | 1612 | 59.9 7.6 | 0641 | 55.9 2.3 | 81 10 | 38 2 | 2.2 | 10.7 1.3 | 1601 | SE | 138 | 0.00 | 0.00 | 0.147 0.029 | 414 133 | 90 10 |
| Napa-NW (Ranch 54) | 7/20/26 | 89.4 2.8 | 1607 | 60.1 10.1 | 0642 | 56.1 2.3 | 81 11 | 29 8 | 0.6 | 9.2 3.1 | 1655 | SW | 230 | 0.00 | 0.00 | - | 0 0 | 80 10 |
| Napa-North (Ranch 29) | 7/20/26 | 84.3 4.6 | 1556 | 59.2 5.9 | 0511 | 56.6 1.7 | 84 16 | 42 5 | 1.6 | 11.6 1.2 | 1633 | WSW | 239 | 0.00 | 0.00 | 0.107 0.011 | 285 51 | 100 0 |
| Max | 91.3 | - | 60.6 | - | 58.1 | 88 | 43 | 2.7 | 13.7 | - | - | 0.00 | 0.00 | 0.152 | 453 | - | |
| Avg | - | - | - | - | 54.8 | - | - | 1.8 | - | - | - | - | - | - | - | - | |
| Min | 84.3 | - | 56.0 | - | 49.4 | 74 | 14 | 0.6 | 8.0 | - | - | 0.00 | 0.00 | 0.033 | 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) | 7/20/26 | 94.8 8.7 | 1602 | 58.7 7.7 | 0541 | 57.0 1.6 | 82 12 | 36 8 | 1.4 | 12.1 2.0 | 1647 | W | 262 | 0.00 | 0.00 | 0.141 0.028 | 418 120 | 100 0 |
| Napa-East (Palmaz 300') | 7/20/26 | 90.7 6.6 | 1608 | 58.6 6.9 | 0602 | 55.8 1.8 | 84 16 | 28 11 | 0.9 | 12.3 2.5 | 1652 | WSW | 241 | 0.00 | 0.00 | 0.130 0.026 | 382 84 | 90 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') | 7/20/26 | 83.6 3.4 | 1601 | 55.0 5.8 | 0612 | 52.3 1.1 | 93 7 | 27 14 | 2.2 | 12.6 1.6 | 1612 | SW | 217 | 0.00 | 0.00 | 0.149 0.027 | 446 120 | 100 0 |
| Wooden Valley | 7/20/26 | 87.1 0.2 | 1645 | 60.8 6.2 | 0610 | 49.4 1.0 | 71 12 | 14 12 | 3.2 | 13.8 2.9 | 1528 | NNW | 333 | 0.00 | 0.00 | 0.152 0.054 | 381 181 | 100 10 |
| Napa-West Upper (Truchard) | 7/20/26 | 85.8 2.9 | 1622 | 57.6 8.9 | 0543 | 56.2 34.8 | 86 14 | 38 37 | 2.1 | 12.5 3.2 | 1637 | SSW | 195 | 0.00 | 0.00 | 0.146 0.033 | 403 137 | 100 0 |
| Napa-West Lower (Truchard) | 7/20/26 | 85.6 3.6 | 1621 | 56.9 12.6 | 0428 | 55.7 2.9 | 85 9 | 37 5 | - | - | - | - | - | - | - | - | 100 0 |
| Napa-South (Toyon Farms) | 7/20/26 | 82.6 2.9 | 1519 | 58.0 6.8 | 0418 | 58.8 2.9 | 91 8 | 47 6 | 2.6 | 12.5 2.7 | 1632 | SSE | 168 | 0.00 | 0.00 | 0.087 0.010 | 232 56 | 100 0 |
| Toyon Remote 1 | 7/20/26 | 82.8 3.2 | 1618 | 56.6 6.5 | 0420 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 7/20/26 | 82.5 3.8 | 1618 | 58.4 7.8 | 0512 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 7/20/26 | 84.4 4.8 | 1626 | 57.7 8.4 | 0450 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 7/20/26 | 83.0 4.9 | 1620 | 57.9 7.3 | 0557 | 55.6 2.1 | 86 9 | 37 11 | 2.1 | 12.7 0.3 | 1349 | SE | 146 | 0.00 | 0.00 | 0.139 0.030 | 407 148 | 100 0 |
| Carneros (Saintsbury) | 7/20/26 | 81.6 3.9 | 1544 | 56.7 7.4 | 0624 | 55.8 2.5 | 88 12 | 41 6 | 3.6 | 13.4 1.2 | 1559 | SSE | 162 | 0.00 | 0.00 | - | - | 100 10 |
| Suscol Lower (Ranch 35) | 7/20/26 | 83.6 5.5 | 1621 | 57.3 5.3 | 0421 | 55.4 2.1 | 85 15 | 39 6 | 3.6 | 14.2 0.1 | 1638 | SW | 223 | 0.00 | 0.00 | 0.152 0.011 | 414 87 | 100 0 |
| Suscol Mtn (Ranch 93) | 7/20/26 | 85.2 3.9 | 1547 | 54.5 4.9 | 0601 | 54.4 0.2 | 94 6 | 38 6 | 4.1 | 16.6 2.3 | 1649 | WNW | 288 | 0.00 | 0.00 | - | - | 100 0 |
| Suscol Upper (Ranch 92) | 7/20/26 | 83.4 4.8 | 1619 | 55.2 5.1 | 0605 | 54.6 14.7 | 92 8 | 38 37 | 1.2 | 14.6 0.9 | 1641 | SW | 220 | 0.00 | 0.00 | - | - | 60 20 |
| Stanly (Ranch 45) | 7/20/26 | 81.2 5.5 | 1631 | 57.9 9.3 | 0616 | 56.4 3.0 | 85 7 | 43 7 | 4.3 | 15.0 0.4 | 1640 | SSW | 210 | 0.00 | 0.00 | 0.164 0.010 | 471 96 | 90 20 |
| Carneros Upper (Ranch 81) | 7/20/26 | 83.7 1.3 | 1528 | 56.6 5.0 | 0547 | 54.8 22.1 | - | - | 5.3 | 18.0 2.1 | 0540 | WSW | 240 | - | - | - | - | 100 0 |
| Carneros (Mitsuko) | 7/20/26 | 82.0 4.5 | 1726 | 58.0 5.8 | 0621 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| Carneros Lower (Ranch 81) | 7/20/26 | 86.3 6.4 | 1722 | 57.8 4.7 | 0556 | 56.1 2.0 | 88 4 | 37 11 | 1.3 | 11.6 1.2 | 1544 | S | 174 | 0.00 | 0.00 | 0.133 0.029 | 405 123 | 100 0 |
| Carneros (Milton Rd) | 7/20/26 | 81.0 4.3 | 1616 | 58.2 7.4 | 0136 | 56.2 2.6 | 86 6 | 43 6 | - | - | - | - | 0.00 | 0.00 | - | - | 100 0 |
| Max | 94.8 | - | 60.8 | - | 58.8 | 94 | 47 | 5.3 | 18.0 | - | - | 0.00 | 0.00 | 0.176 | 671 | - | |
| Avg | - | - | - | - | 54.9 | - | - | 2.6 | - | - | - | - | - | - | - | - | |
| Min | 81.0 | - | 54.5 | - | 49.2 | 71 | 14 | 0.9 | 10.2 | - | - | 0.00 | 0.00 | 0.087 | 232 | - |