| 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 | 5/29/26 | 68.3 2.2 | 1206 | 47.1 1.0 | 0035 | - | - | - | - | - | - | - | 0.01 | 50.54 | - | - | 30 10 |
| Pope Valley (Weeks Lake) | 5/29/26 | 73.4 2.1 | 1503 | 49.8 0.8 | 0059 | 50.1 1.0 | 95 5 | 41 2 | 1.7 0.4 | 11.0 5.3 | 1702 | SE | 144 | 0.01 | 26.64 | 0.127 0.014 | 393 88 | 50 10 |
| Dollarhide Base | 5/29/26 | 76.2 2.8 | 1144 | 54.8 3.3 | 0059 | 52.5 1.0 | 92 7 | 44 1 | 3.2 0.7 | 15.0 1.1 | 1319 | ENE | 65 | 0.00 | 23.55 | 0.153 0.022 | 469 126 | 80 20 |
| Dollarhide 1AS Remote | 5/29/26 | 76.5 2.1 | 1706 | 51.7 0.0 | 0032 | 52.2 1.1 | 93 1 | 45 2 | 2.7 0.0 | 14.7 0.9 | 1913 | SW | 225 | - | - | - | - | 50 10 |
| Dollarhide 16A Remote | 5/29/26 | 74.3 3.2 | 1422 | 53.6 1.9 | 0030 | 52.3 1.2 | 95 4 | 46 1 | - | - | - | - | - | - | - | - | 50 10 |
| Dollarhide 18A Remote | 5/29/26 | 74.3 1.5 | 1433 | 50.2 1.1 | 0058 | 52.1 1.0 | 98 1 | 45 2 | - | - | - | - | - | - | - | - | 80 20 |
| Hardin Rd (Eakle) | 5/29/26 | 75.2 4.4 | 1218 | 53.6 1.9 | 0101 | - | - | - | - | - | - | - | - | - | - | - | 80 20 |
| Angwin | 5/29/26 | 65.0 2.9 | 1356 | 49.6 4.7 | 0140 | 47.2 1.3 | 100 0 | 52 0 | 2.7 0.2 | 17.7 5.2 | 0529 | SE | 129 | 0.00 | 46.17 | 0.019 0.002 | 0 0 | 30 10 |
| Lower Angwin (Pioneer) | 5/29/26 | 66.6 1.3 | 1722 | 46.2 0.6 | 0059 | - | - | - | 2.0 0.3 | 11.8 0.0 | 0522 | WSW | 238 | - | - | - | - | 30 10 |
| Las Posadas (Cal Fire) | 5/29/26 | 69.0 2.0 | 1539 | 50.8 2.6 | 0446 | 49.7 1.7 | 94 5 | 48 0 | 6.7 1.0 | 20.9 3.1 | 0517 | S | 180 | 0.00 | 35.41 | 0.147 0.027 | 480 85 | - |
| Deer Park | 5/29/26 | 73.4 2.8 | 1507 | 52.4 1.6 | 0059 | 50.3 1.7 | 92 5 | 46 4 | 3.5 0.0 | 12.9 0.4 | 1505 | SE | 146 | 0.00 | 29.37 | 0.128 0.016 | 369 41 | 30 10 |
| Lower Chiles Valley (Brown) | 5/29/26 | 70.9 0.9 | 1722 | 52.0 1.8 | 0058 | 50.5 1.8 | 94 1 | 50 9 | 2.5 0.1 | 11.8 0.8 | 1835 | S | 186 | 0.01 | 26.24 | 0.121 0.023 | 410 98 | 30 10 |
| Moss Creek Vineyard/Reservior | 5/29/26 | 74.2 4.7 | 1312 | 51.8 0.9 | 0029 | 50.8 2.9 | 94 2 | 43 4 | - | - | - | - | 0.00 | 27.15 | - | - | 20 10 |
| Max | 76.5 | - | 54.8 | - | 52.5 | 100 | 52 | 6.7 | 20.9 | - | - | 0.01 | 50.54 | 0.153 | 480 | - | |
| Avg | - | - | - | - | 50.8 | - | - | 3.1 | - | - | - | - | - | - | - | - | |
| Min | 65.0 | - | 46.2 | - | 47.2 | 92 | 41 | 1.7 | 11.0 | - | - | 0.00 | 23.55 | 0.019 | 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 | 5/29/26 | 75.2 | 1508 | 47.9 | 0657 | 51.7 | 95 | 35 | - | - | - | - | 0.00 | 32.79 | - | - | 20 |
| Diamond Mtn (Schramsberg) | 5/29/26 | 70.6 2.2 | 1311 | 51.6 2.0 | 0059 | 50.2 1.5 | 97 3 | 47 3 | - | - | - | - | 0.00 | 31.46 | - | - | 30 10 |
| Diamond Mtn (McEachran) | 5/29/26 | 75.1 3.1 | 1303 | 52.4 1.4 | 0101 | 50.7 1.1 | 92 6 | 41 1 | - | - | - | - | - | - | - | - | 20 10 |
| St. Helena-North | 5/29/26 | 75.6 4.0 | 1404 | 53.0 0.7 | 0049 | 50.4 1.6 | 87 6 | 39 3 | 2.6 | 19.5 2.9 | 1414 | SSE | 148 | 0.00 | 31.48 | 0.151 0.014 | 445 11 | 50 20 |
| St. Helena (NVV Office) | 5/29/26 | 75.7 0.6 | 1707 | 54.1 1.2 | 0101 | - | - | - | 1.7 | 9.6 0.4 | 1434 | ENE | 64 | 0.00 | 29.13 | - | - | 70 20 |
| Tiara Fria (East St. Helena) | 5/29/26 | 72.5 0.5 | 1632 | 53.8 0.8 | 0059 | 52.3 1.4 | 91 4 | 47 7 | 2.7 | 11.9 0.5 | 1101 | SSE | 160 | 0.00 | 27.01 | - | - | 40 10 |
| Rutherford Hill Estate | 5/29/26 | 74.4 0.4 | 1549 | 51.6 0.1 | 0048 | 51.3 1.2 | 91 9 | 48 10 | 2.0 | 13.8 2.2 | 1931 | SW | 218 | 0.00 | 25.35 | 0.154 0.020 | 524 75 | 50 10 |
| Rutherford-North (Mee Ln) | 5/29/26 | 74.2 0.6 | 1533 | 51.6 1.4 | 0054 | 52.0 2.2 | 94 2 | 46 8 | 4.2 | 17.5 3.3 | 1851 | SE | 126 | 0.00 | 24.87 | 0.169 0.035 | 536 113 | 20 10 |
| Rutherford (STS) | 5/29/26 | 75.4 2.4 | 1320 | 51.9 0.7 | 0049 | 54.5 2.8 | 92 1 | 50 5 | 3.0 | 15.7 4.8 | 1236 | ESE | 108 | 0.00 | 26.10 | 0.185 0.059 | 632 208 | 80 20 |
| Oakville-NE (Ranch 88) | 5/29/26 | 75.1 1.3 | 1514 | 52.2 0.6 | 0052 | 52.0 1.5 | 96 3 | 44 8 | 3.2 | 17.2 4.7 | 1816 | SSE | 147 | 0.00 | 25.32 | 0.177 0.057 | 574 187 | 100 20 |
| OV561-East | 5/29/26 | 74.8 1.9 | 1706 | 53.0 0.1 | 0055 | - | - | - | - | - | - | - | - | - | - | - | 40 10 |
| Oakville | 5/29/26 | 71.9 0.5 | 1645 | 52.5 0.5 | 0057 | 52.3 1.9 | 94 2 | 49 12 | 4.2 | 17.2 0.6 | 1557 | SE | 132 | 0.00 | 26.11 | 0.184 0.044 | 634 165 | 20 10 |
| OV518-West | 5/29/26 | 72.0 0.1 | 1337 | 52.9 0.0 | 0050 | - | - | - | - | - | - | - | - | - | - | - | 20 10 |
| To Kalon Remote (TKKE) | 5/29/26 | 74.6 1.2 | 1641 | 52.9 0.5 | 0059 | - | - | - | - | - | - | - | - | - | - | - | 70 20 |
| To Kalon | 5/29/26 | 72.9 0.8 | 1643 | 52.1 1.0 | 0059 | 52.6 1.6 | 94 3 | 51 10 | 3.9 | 14.9 2.6 | 1507 | SE | 135 | 0.00 | 28.00 | 0.166 0.034 | 540 111 | 20 10 |
| To Kalon Remote (TKN5) | 5/29/26 | 75.1 2.1 | 1713 | 52.7 0.7 | 0058 | - | - | - | - | - | - | - | - | - | - | - | 70 20 |
| Yountville (Ranch 67) | 5/29/26 | 70.5 0.2 | 1630 | 51.5 0.9 | 0059 | 51.4 1.8 | 93 2 | 51 12 | 4.3 | 16.9 2.7 | 1451 | S | 175 | 0.00 | 24.03 | 0.188 0.044 | 688 181 | 20 10 |
| Stags Leap Dist (Silverado Vineyards) | 5/29/26 | 70.4 0.4 | 1648 | 51.7 0.8 | 0059 | 51.3 1.7 | 92 2 | 51 13 | 3.7 | 15.3 3.3 | 1051 | S | 171 | 0.00 | 28.04 | 0.183 0.048 | 641 189 | 0 10 |
| Borreo (Soda Canyon) | 5/29/26 | 69.7 0.0 | 1640 | 48.8 2.3 | 0056 | 50.8 2.6 | 96 0 | 52 13 | 2.2 | 11.8 1.8 | 1147 | ENE | 69 | 0.00 | 27.74 | 0.166 0.045 | 610 197 | 0 10 |
| Wappo Hill Floor | 5/29/26 | 72.7 0.5 | 1629 | 51.6 0.1 | 0059 | 52.5 1.9 | 100 0 | 51 12 | 3.7 | 14.6 1.6 | 1403 | ESE | 108 | 0.00 | 27.12 | 0.186 0.037 | 646 156 | 50 10 |
| Stags Leap Dist (Chimney Rock) | 5/29/26 | 71.0 1.3 | 1528 | 52.4 1.1 | 0059 | 53.8 1.8 | 96 2 | 58 14 | 3.7 | 14.0 0.5 | 1507 | S | 170 | 0.00 | 26.50 | 0.155 0.015 | 535 74 | 0 0 |
| Yountville-South (Ranch 87) | 5/29/26 | 72.5 0.9 | 1529 | 52.9 0.6 | 0008 | 53.3 1.5 | 100 0 | 51 12 | 2.7 | 15.7 4.7 | 1426 | S | 171 | 0.00 | 27.76 | 0.187 0.033 | 659 133 | 100 10 |
| Yountville-SE (Ranch 85) | 5/29/26 | 71.7 0.0 | 1618 | 52.3 1.0 | 0055 | 52.8 1.6 | 94 4 | 53 12 | 3.4 | 12.9 0.3 | 1506 | S | 188 | 0.00 | 26.09 | - | 0 0 | 20 10 |
| Oak Knoll-East (Ranch 53) | 5/29/26 | 70.9 1.2 | 1628 | 52.2 1.4 | 0059 | 51.7 1.3 | 92 2 | 51 13 | 3.1 | 12.6 5.6 | 1243 | S | 185 | 0.00 | 24.76 | 0.179 0.026 | 639 113 | 50 10 |
| Napa-NW (Ranch 54) | 5/29/26 | 73.9 2.9 | 1639 | 52.4 1.0 | 0026 | 52.0 0.9 | 91 9 | 45 9 | 0.9 | 10.7 2.0 | 1321 | S | 189 | 0.00 | 27.13 | - | 0 0 | 80 20 |
| Napa-North (Ranch 29) | 5/29/26 | 70.2 3.9 | 1626 | 52.4 0.9 | 0047 | 52.3 1.1 | 100 0 | 54 17 | 2.6 | 15.0 3.2 | 1402 | SW | 229 | 0.00 | 25.63 | 0.128 0.012 | 432 39 | 0 0 |
| Max | 75.7 | - | 54.1 | - | 54.5 | 100 | 58 | 4.3 | 19.5 | - | - | 0.00 | 32.79 | 0.188 | 688 | - | |
| Avg | - | - | - | - | 52.0 | - | - | 3.0 | - | - | - | - | - | - | - | - | |
| Min | 69.7 | - | 47.9 | - | 50.2 | 87 | 35 | 0.9 | 9.6 | - | - | 0.00 | 24.03 | 0.128 | 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 | 5/29/26 | 64.0 0.2 | 1607 | 51.5 3.3 | 0741 | 49.3 2.4 | 94 6 | 62 11 | 2.3 | 13.9 0.0 | 1618 | SSE | 160 | 0.00 | 34.60 | 0.133 0.025 | 506 108 | 20 10 |
| Mount George (Napa East) | 5/29/26 | 68.9 2.5 | 1557 | 53.0 0.2 | 0002 | 52.1 2.0 | 95 0 | 55 14 | 2.0 | 13.5 5.6 | 1329 | WSW | 242 | 0.01 | 17.28 | 0.148 0.019 | 538 60 | 0 0 |
| Napa-East (Palmaz 300') | 5/29/26 | 73.2 1.0 | 1600 | 52.2 0.2 | 2335 | 52.0 2.2 | 94 6 | 48 11 | 2.4 | 12.1 7.8 | 1425 | WSW | 237 | 0.01 | 23.52 | 0.142 0.007 | 476 10 | 0 0 |
| Napa-East (Palmaz 1200') | 5/29/26 | 65.2 1.9 | 1609 | 48.2 1.2 | 2345 | 45.6 0.6 | 100 0 | 29 23 | 2.1 | 13.0 3.9 | 1512 | NW | 320 | - | - | 0.146 0.006 | 558 22 | 20 10 |
| Napa-East (Palmaz 1400') | 5/29/26 | 65.4 0.8 | 1528 | 47.7 0.6 | 0058 | 51.1 2.6 | 100 0 | 62 13 | 2.8 | 14.4 0.5 | 0819 | WSW | 240 | 0.02 | 31.03 | 0.133 0.013 | 518 56 | 20 10 |
| Wooden Valley | 5/29/26 | 69.3 0.6 | 1532 | 50.8 0.3 | 0012 | 50.7 2.4 | 96 1 | 53 10 | 2.9 | 13.2 2.5 | 1324 | SSW | 211 | 0.01 | 29.46 | 0.148 0.007 | 539 19 | 30 10 |
| Napa-West Upper (Truchard) | 5/29/26 | 70.3 2.9 | 1527 | 49.8 1.9 | 0059 | 41.4 18.6 | 100 0 | 0 0 | 5.1 | 17.2 2.4 | 1329 | SSE | 161 | 0.00 | 24.70 | 0.172 0.002 | 602 49 | 0 0 |
| Napa-West Lower (Truchard) | 5/29/26 | 71.4 2.8 | 1525 | 50.0 2.7 | 0059 | 51.4 1.3 | 93 1 | 50 12 | - | - | - | - | - | - | - | - | 10 10 |
| Napa-South (Toyon Farms) | 5/29/26 | 69.1 5.6 | 1531 | 51.1 1.9 | 2346 | 53.4 0.2 | 99 1 | 62 16 | 3.8 | 14.6 3.8 | 1356 | S | 176 | 0.00 | 18.70 | 0.091 0.015 | 331 58 | 10 10 |
| Toyon Remote 1 | 5/29/26 | 70.5 2.3 | 1127 | 50.4 2.5 | 2350 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 5/29/26 | 69.0 4.9 | 1517 | 51.6 1.9 | 0058 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 5/29/26 | 70.6 1.8 | 1554 | 51.2 2.1 | 2351 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 5/29/26 | 68.9 2.8 | 1533 | 51.1 2.2 | 0005 | 51.1 1.4 | 94 1 | 53 16 | 3.0 | 16.1 0.4 | 1505 | SSE | 157 | 0.00 | 23.81 | 0.157 0.003 | 564 44 | 10 10 |
| Carneros (Saintsbury) | 5/29/26 | 68.1 3.1 | 1529 | 49.3 1.4 | 0059 | 51.2 1.5 | 100 0 | 55 16 | 6.0 | 16.9 2.1 | 1259 | S | 172 | 0.00 | 8.94 | - | - | 20 10 |
| Suscol Lower (Ranch 35) | 5/29/26 | 69.5 2.2 | 1617 | 51.0 1.5 | 2327 | 50.7 0.9 | - | - | 4.9 | 15.5 2.0 | 1310 | S | 190 | 0.00 | 23.25 | 0.149 0.013 | 497 42 | 20 10 |
| Suscol Mtn (Ranch 93) | 5/29/26 | 72.5 2.3 | 1447 | 49.5 0.6 | 0034 | 51.4 3.4 | 99 1 | 54 10 | 5.4 | 21.7 3.9 | 0817 | NW | 304 | 0.00 | 19.27 | - | - | 0 0 |
| Suscol Upper (Ranch 92) | 5/29/26 | 67.1 4.2 | 1551 | 50.1 0.5 | 0025 | 43.2 6.9 | 100 0 | 3 0 | 0.5 | 13.8 6.0 | 0548 | SW | 224 | 0.00 | 22.76 | - | - | 20 10 |
| Stanly (Ranch 45) | 5/29/26 | 68.9 4.2 | 1519 | 51.1 0.5 | 0042 | 51.3 1.6 | 92 3 | 53 15 | 6.4 | 17.4 2.8 | 1438 | S | 191 | 0.00 | 22.51 | 0.179 0.013 | 626 31 | 10 10 |
| Carneros Upper (Ranch 81) | 5/29/26 | 69.3 3.3 | 1522 | 50.4 1.8 | 0035 | 40.3 2.5 | - | - | 7.9 | 18.9 1.8 | 0617 | W | 276 | - | - | - | - | 20 10 |
| Carneros (Mitsuko) | 5/29/26 | 68.6 4.5 | 1456 | 51.2 1.9 | 0101 | - | - | - | - | - | - | - | - | - | - | - | 20 10 |
| Carneros Lower (Ranch 81) | 5/29/26 | 69.5 2.6 | 1251 | 51.3 1.7 | 0059 | 52.3 8.3 | 93 7 | 56 56 | 1.6 | 16.6 2.9 | 1512 | S | 170 | 0.09 | 19.55 | 0.142 0.000 | 501 28 | 20 10 |
| Carneros (Milton Rd) | 5/29/26 | 69.2 2.2 | 1540 | 51.8 2.1 | 2348 | 51.4 1.5 | 92 0 | 53 15 | - | - | - | - | 0.00 | 18.07 | - | - | 20 10 |
| Max | 73.2 | - | 53.0 | - | 53.4 | 100 | 62 | 7.9 | 21.7 | - | - | 0.09 | 34.60 | 0.179 | 626 | - | |
| Avg | - | - | - | - | 49.4 | - | - | 3.7 | - | - | - | - | - | - | - | - | |
| Min | 64.0 | - | 47.7 | - | 40.3 | 92 | 0 | 0.5 | 12.1 | - | - | 0.00 | 8.94 | 0.091 | 331 | - |