| 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 | 10/21/26 | 70.3 1.0 | 1434 | 46.9 9.6 | 0051 | - | - | - | - | - | - | - | 0.00 | 0.82 | - | - | 10 10 |
| Pope Valley (Weeks Lake) | 10/21/26 | 73.8 0.4 | 1428 | 43.5 6.5 | 0718 | 44.0 4.3 | 96 4 | 29 4 | 1.0 0.0 | 12.7 3.7 | 1726 | ESE | 105 | 0.01 | 0.04 | 0.050 0.021 | 131 108 | 0 0 |
| Dollarhide Base | 10/21/26 | 75.2 0.5 | 1407 | 47.8 4.0 | 0735 | 46.4 3.1 | 86 10 | 35 4 | 2.0 0.2 | 13.6 0.3 | 1659 | SSE | 155 | 0.00 | 0.00 | 0.058 0.035 | 134 143 | 0 10 |
| Dollarhide 1AS Remote | 10/21/26 | 74.7 1.3 | 1406 | 43.7 5.7 | 0648 | 45.0 3.3 | 90 2 | 34 4 | 1.1 0.1 | 13.2 1.0 | 1712 | SSE | 165 | - | - | - | - | 0 0 |
| Dollarhide 16A Remote | 10/21/26 | 73.8 0.0 | 1333 | 46.9 4.7 | 0725 | 46.6 3.8 | 92 4 | 35 5 | - | - | - | - | - | - | - | - | 0 0 |
| Dollarhide 18A Remote | 10/21/26 | 74.0 2.0 | 1421 | 42.7 6.4 | 0726 | 45.0 3.2 | 93 2 | 36 7 | - | - | - | - | - | - | - | - | 0 0 |
| Hardin Rd (Eakle) | 10/13/26 | 77.0 2.0 | 1534 | 32.3 1.2 | 0726 | - | - | - | - | - | - | - | - | - | - | - | 20 20 |
| Angwin | 10/21/26 | 65.6 1.0 | 1438 | 52.0 7.4 | 0026 | 40.0 3.8 | 82 5 | 29 3 | 3.2 0.8 | 15.3 2.8 | 1659 | S | 184 | 0.00 | 0.30 | 0.035 0.009 | 0 0 | 70 10 |
| Lower Angwin (Pioneer) | 10/21/26 | 67.7 0.7 | 1417 | 43.3 9.7 | 0547 | - | - | - | 1.6 0.4 | 11.0 1.5 | 1653 | SSE | 164 | - | - | - | - | 40 10 |
| Las Posadas (Cal Fire) | 10/21/26 | 68.9 0.2 | 1416 | 51.7 9.0 | 0019 | 43.4 3.1 | 84 5 | 36 3 | 4.4 0.3 | 21.3 6.7 | 0646 | W | 264 | 0.00 | 0.23 | 0.073 0.016 | 129 121 | - |
| Deer Park | 10/21/26 | 70.6 4.7 | 1442 | 54.9 8.4 | 0432 | 45.0 3.8 | 77 10 | 41 14 | 3.0 1.0 | 18.8 6.8 | 1653 | SSE | 147 | 0.00 | 0.04 | 0.059 0.015 | 93 112 | 70 10 |
| Lower Chiles Valley (Brown) | 10/21/26 | 71.0 2.2 | 1436 | 44.8 6.9 | 0018 | 43.5 4.1 | 94 2 | 35 10 | 1.6 0.1 | 10.0 0.8 | 1653 | S | 188 | 0.00 | 0.14 | 0.053 0.045 | 113 211 | 0 0 |
| Moss Creek Vineyard/Reservior | 10/21/26 | 68.8 3.4 | 1418 | 49.6 4.6 | 2359 | 44.1 3.1 | 90 0 | 36 10 | - | - | - | - | 0.00 | 0.04 | - | - | 0 0 |
| Max | 75.2 | - | 54.9 | - | 46.6 | 96 | 41 | 4.4 | 21.3 | - | - | 0.01 | 0.82 | 0.073 | 134 | - | |
| Avg | - | - | - | - | 44.3 | - | - | 2.2 | - | - | - | - | - | - | - | - | |
| Min | 65.6 | - | 42.7 | - | 40.0 | 77 | 29 | 1.0 | 10.0 | - | - | 0.00 | 0.00 | 0.035 | 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 | 10/21/26 | 72.3 3.0 | 1432 | 49.0 8.4 | 0717 | 48.5 5.0 | 92 5 | 45 16 | - | - | - | - | 0.00 | 0.15 | - | - | 0 10 |
| Diamond Mtn (Schramsberg) | 10/21/26 | 70.2 0.9 | 1419 | 55.6 8.0 | 0500 | 45.4 5.7 | 85 2 | 37 11 | - | - | - | - | 0.01 | 0.14 | - | - | 70 10 |
| Diamond Mtn (McEachran) | 10/21/26 | 71.8 3.4 | 1424 | 54.3 9.3 | 0613 | 46.3 5.4 | 87 2 | 40 15 | - | - | - | - | - | - | - | - | 70 10 |
| St. Helena-North | 10/21/26 | 73.7 4.0 | 1434 | 48.4 6.8 | 0707 | 45.6 5.9 | 85 0 | 34 12 | 1.3 | 18.2 9.0 | 1650 | SE | 132 | 0.00 | 0.11 | 0.048 0.031 | 117 156 | 0 0 |
| St. Helena (NVV Office) | 10/21/26 | 73.5 4.2 | 1428 | 50.1 7.3 | 0606 | - | - | - | 0.8 | 8.8 3.5 | 1646 | SSE | 157 | 0.01 | 0.05 | - | - | 0 0 |
| Tiara Fria (East St. Helena) | 10/21/26 | 72.1 3.0 | 1432 | 47.2 6.6 | 0644 | 47.6 5.2 | 94 3 | 37 9 | 1.2 | 15.1 7.7 | 1641 | SE | 139 | 0.00 | 0.02 | - | - | 0 10 |
| Prisoner Winery | 10/21/26 | 73.1 2.9 | 1430 | 47.4 6.5 | 0646 | 47.9 5.2 | 96 1 | 36 10 | 1.0 | 8.8 0.9 | 1307 | NW | 309 | 0.00 | 0.06 | 0.012 0.000 | 0 0 | 0 0 |
| Rutherford Hill Estate | 10/21/26 | 72.2 2.4 | 1412 | 52.8 6.5 | 0642 | 46.3 3.2 | 77 15 | 39 11 | 1.2 | 18.2 11.6 | 1640 | SE | 138 | 0.00 | 0.08 | 0.043 0.024 | 111 118 | 0 10 |
| Rutherford-North (Mee Ln) | 10/21/26 | 73.4 1.9 | 1426 | 45.9 6.8 | 0712 | 47.3 4.8 | 95 3 | 38 10 | 1.5 | 15.8 6.8 | 1623 | SSE | 157 | 0.00 | 0.06 | 0.045 0.026 | 109 124 | 20 10 |
| Rutherford (STS) | 10/21/26 | 73.2 4.3 | 1340 | 45.5 5.8 | 0657 | 49.2 4.2 | 90 3 | 43 11 | 1.2 | 12.7 6.3 | 1620 | ESE | 104 | 0.01 | 0.06 | 0.042 0.033 | 123 145 | 20 10 |
| Oakville-NE (Ranch 88) | 10/21/26 | 71.6 3.7 | 1429 | 45.0 8.1 | 0700 | 46.2 5.7 | 98 10 | 40 13 | 0.6 | 14.1 7.2 | 1635 | SW | 216 | 0.00 | 0.04 | 0.038 0.029 | 105 139 | 0 0 |
| OV561-East | 10/20/26 | 74.8 3.1 | 1531 | 40.4 0.3 | 0744 | - | - | - | - | - | - | - | - | - | - | - | 0 10 |
| Oakville | 10/20/26 | 75.3 4.3 | 1549 | 38.8 0.5 | 0732 | 42.7 0.5 | 95 4 | 28 9 | 1.2 | 8.2 5.1 | 1145 | WNW | 297 | 0.00 | 0.03 | 0.073 0.022 | 258 61 | 10 10 |
| OV518-West | 10/20/26 | 73.0 4.4 | 1547 | 39.5 0.7 | 0728 | - | - | - | - | - | - | - | - | - | - | - | 10 10 |
| To Kalon Remote (TKKE) | 10/15/26 | 96.3 12.0 | 1554 | 39.4 5.0 | 0718 | - | - | - | - | - | - | - | - | - | - | - | 30 10 |
| To Kalon | 10/15/26 | 95.3 13.1 | 1514 | 40.3 4.1 | 0658 | 35.6 0.2 | 83 2 | 10 9 | 1.8 | 12.7 1.3 | 1317 | NNE | 21 | 0.00 | 0.00 | 0.140 0.009 | 398 1 | 30 10 |
| To Kalon Remote (TKN5) | 10/15/26 | 94.1 9.5 | 1554 | 39.5 4.7 | 0707 | - | - | - | - | - | - | - | - | - | - | - | 30 10 |
| Yountville (Ranch 67) | 10/21/26 | 69.3 3.2 | 1343 | 45.2 6.1 | 0637 | 46.6 4.8 | 94 4 | 42 12 | 1.3 | 12.5 5.6 | 1634 | ESE | 122 | 0.01 | 0.06 | 0.054 0.025 | 214 137 | 0 0 |
| Stags Leap Dist (Silverado Vineyards) | 10/21/26 | 69.5 3.3 | 1342 | 45.9 5.1 | 0640 | 46.7 5.0 | 95 2 | 43 13 | 1.0 | 10.9 4.6 | 1622 | SSE | 150 | 0.01 | 0.08 | 0.042 0.036 | 116 171 | 0 0 |
| Borreo (Soda Canyon) | 10/21/26 | 67.7 3.5 | 1345 | 48.4 7.1 | 0003 | 45.4 4.7 | 89 0 | 45 13 | 1.2 | 8.7 1.2 | 0843 | N | 4 | 0.00 | 0.31 | 0.044 0.042 | 122 196 | 10 10 |
| Wappo Hill Floor | 10/21/26 | 69.8 4.1 | 1509 | 46.9 5.6 | 2336 | 47.5 5.6 | 100 0 | 45 15 | 1.6 | 8.8 1.8 | 1539 | SE | 142 | 0.00 | 0.10 | 0.044 0.041 | 111 184 | 0 10 |
| Stags Leap Dist (Chimney Rock) | 10/21/26 | 69.5 4.7 | 1501 | 46.9 6.8 | 0637 | 48.8 4.4 | 98 1 | 51 15 | 1.1 | 9.8 1.6 | 1615 | SSE | 149 | 0.00 | 0.10 | 0.039 0.042 | 107 182 | 0 0 |
| Yountville-South (Ranch 87) | 10/21/26 | 69.6 3.8 | 1426 | 48.3 8.5 | 0535 | 48.6 5.1 | 100 0 | 46 15 | 1.0 | 8.3 1.0 | 1614 | SSE | 157 | 0.01 | 0.10 | 0.037 0.033 | 102 145 | 50 10 |
| Yountville-SE (Ranch 85) | 10/21/26 | 69.5 4.1 | 1504 | 47.9 7.1 | 0614 | 48.5 5.1 | 100 6 | 47 16 | 1.0 | 8.1 2.2 | 1628 | SSW | 204 | 0.01 | 0.09 | - | 0 0 | 0 0 |
| Oak Knoll-East (Ranch 53) | 10/21/26 | 69.3 4.5 | 1448 | 48.9 7.4 | 0733 | 48.0 5.0 | 95 3 | 45 15 | 0.8 | 8.8 0.2 | 1612 | S | 181 | 0.02 | 0.17 | 0.038 0.045 | 111 196 | 50 10 |
| Napa-NW (Ranch 54) | 10/21/26 | 71.1 3.3 | 1457 | 49.5 6.6 | 0533 | 47.7 5.5 | 93 1 | 44 15 | 0.4 | 4.6 1.4 | 2123 | WNW | 288 | 0.00 | 0.18 | - | 0 0 | 0 10 |
| Napa-North (Ranch 29) | 10/21/26 | 68.9 5.0 | 1449 | 47.8 5.7 | 0629 | 48.9 5.1 | 100 0 | 47 17 | 0.6 | 7.5 0.0 | 1601 | SSW | 193 | 0.00 | 0.10 | 0.025 0.025 | 64 82 | 0 0 |
| Max | 73.7 | - | 55.6 | - | 49.2 | 100 | 51 | 1.6 | 18.2 | - | - | 0.02 | 0.31 | 0.054 | 214 | - | |
| Avg | - | - | - | - | 47.3 | - | - | 1.0 | - | - | - | - | - | - | - | - | |
| Min | 67.7 | - | 45.0 | - | 45.4 | 77 | 34 | 0.4 | 4.6 | - | - | 0.00 | 0.02 | 0.012 | 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 | 10/21/26 | 66.3 0.6 | 1325 | 53.4 5.9 | 2209 | 43.8 4.1 | 92 10 | 32 1 | 1.3 | 9.9 0.9 | 1644 | SSW | 199 | 0.02 | 0.47 | 0.066 0.026 | 301 111 | 70 10 |
| Mount George (Napa East) | 10/21/26 | 74.7 2.4 | 1331 | 48.3 5.5 | 2309 | 48.5 5.5 | 94 0 | 46 14 | 0.8 | 8.0 0.1 | 1621 | S | 173 | 0.00 | 0.16 | 0.041 0.037 | 119 170 | 0 0 |
| Napa-East (Palmaz 300') | 10/21/26 | 71.6 4.5 | 1444 | 50.1 6.2 | 0722 | 47.0 4.3 | 87 7 | 41 14 | 1.2 | 10.8 3.4 | 1943 | E | 99 | 0.00 | 0.16 | 0.038 0.039 | 98 150 | 0 10 |
| Napa-East (Palmaz 1200') | 10/21/26 | 65.5 3.8 | 1344 | 47.8 4.9 | 2255 | 45.6 5.0 | 94 6 | 50 46 | 1.8 | 14.9 7.1 | 1608 | ESE | 102 | - | - | 0.042 0.035 | 108 169 | 0 0 |
| Napa-East (Palmaz 1400') | 10/21/26 | 66.3 2.9 | 1347 | 46.9 2.5 | 2256 | 45.6 4.6 | 95 5 | 47 16 | 1.7 | 12.4 2.9 | 1611 | ESE | 117 | 0.00 | 0.33 | 0.047 0.032 | 130 156 | 0 0 |
| Wooden Valley | 10/21/26 | 69.3 2.7 | 1355 | 43.9 2.0 | 2357 | 43.5 3.4 | 93 1 | 38 12 | 1.3 | 10.8 2.5 | 1542 | SSE | 159 | 0.00 | 0.04 | 0.048 0.033 | 128 172 | 0 10 |
| Napa-West Upper (Truchard) | 10/21/26 | 69.5 8.2 | 1452 | 53.7 7.1 | 0012 | 47.8 5.0 | 100 5 | 47 21 | 1.4 | 9.4 0.5 | 1603 | S | 183 | 0.00 | 0.10 | 0.041 0.043 | 105 200 | 0 0 |
| Napa-West Lower (Truchard) | 10/21/26 | 69.8 7.6 | 1454 | 46.7 7.3 | 2320 | 46.2 5.6 | 93 1 | 45 19 | - | - | - | - | - | - | - | - | 10 10 |
| Napa-South (Toyon Farms) | 10/21/26 | 69.2 8.1 | 1432 | 52.2 5.9 | 0743 | 50.5 4.4 | 97 3 | 53 21 | 1.2 | 10.0 1.5 | 1602 | S | 176 | 0.01 | 0.08 | 0.022 0.031 | 64 92 | 0 0 |
| Toyon Remote 1 | 10/21/26 | 70.0 5.4 | 1449 | 48.1 6.5 | 0524 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 10/21/26 | 69.4 6.4 | 1451 | 48.7 5.9 | 0546 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 10/21/26 | 69.7 6.0 | 1452 | 48.2 6.7 | 0518 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 10/21/26 | 69.4 5.1 | 1457 | 50.1 6.9 | 0507 | 48.1 6.0 | 93 1 | 46 17 | 1.5 | 9.1 2.1 | 1535 | SE | 138 | 0.01 | 0.09 | 0.040 0.045 | 113 196 | 0 0 |
| Carneros (Saintsbury) | 10/21/26 | 68.5 6.5 | 1440 | 49.2 5.3 | 2327 | 47.9 5.3 | 96 5 | 48 19 | 1.7 | 11.2 2.5 | 1559 | SSE | 156 | 0.02 | 0.10 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 10/21/26 | 68.9 5.0 | 1443 | 50.3 7.2 | 2335 | 47.3 4.8 | 92 0 | 46 17 | 2.1 | 9.0 4.9 | 1543 | SSW | 192 | 0.00 | 0.15 | 0.046 0.047 | 109 187 | 0 0 |
| Suscol Mtn (Ranch 93) | 10/21/26 | 65.9 8.7 | 1440 | 55.9 7.1 | 2057 | 46.5 4.8 | 84 6 | 44 13 | 3.9 | 17.2 1.2 | 0836 | NNE | 15 | 0.00 | 0.40 | - | - | 30 10 |
| Suscol Upper (Ranch 92) | 10/21/26 | 66.4 5.5 | 1439 | 54.5 5.9 | 2115 | 47.3 5.1 | 87 3 | 46 16 | 0.7 | 11.1 1.1 | 0901 | NW | 322 | 0.00 | 0.15 | - | - | 30 10 |
| Stanly (Ranch 45) | 10/21/26 | 68.9 10.5 | 1158 | 49.8 4.1 | 0511 | 48.4 4.3 | 92 4 | 43 18 | 2.3 | 9.2 0.3 | 1544 | SSW | 194 | 0.01 | 0.16 | 0.046 0.053 | 112 221 | 0 0 |
| Carneros Upper (Ranch 81) | 10/21/26 | 68.6 6.1 | 1434 | 56.1 8.1 | 0044 | 48.0 6.1 | - | - | 1.7 | 13.2 3.4 | 1559 | SSE | 151 | - | - | - | - | 0 0 |
| Carneros (Mitsuko) | 10/21/26 | 69.3 6.0 | 1429 | 47.0 7.7 | 0556 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 10/21/26 | 69.0 4.0 | 1449 | 48.8 6.0 | 0626 | 47.0 3.4 | 100 6 | 0 32 | 0.7 | 9.4 2.0 | 1557 | S | 174 | 0.01 | 0.02 | 0.008 0.001 | 0 0 | 0 0 |
| Carneros (Milton Rd) | 10/21/26 | 69.3 6.5 | 1427 | 48.9 6.7 | 0531 | 48.0 5.6 | 91 2 | 50 23 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Max | 74.7 | - | 56.1 | - | 50.5 | 100 | 53 | 3.9 | 17.2 | - | - | 0.02 | 0.47 | 0.066 | 301 | - | |
| Avg | - | - | - | - | 47.1 | - | - | 1.6 | - | - | - | - | - | - | - | - | |
| Min | 65.5 | - | 43.9 | - | 43.5 | 84 | 0 | 0.7 | 8.0 | - | - | 0.00 | 0.00 | 0.008 | 0 | - |