| 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 | 4/10/26 | 57.8 9.2 | 1321 | 45.2 1.1 | 0215 | - | - | - | - | - | - | - | 1.11 | 44.70 | - | - | 70 10 |
| Pope Valley (Weeks Lake) | 4/10/26 | 64.3 8.9 | 1524 | 43.7 0.6 | 0245 | 50.8 1.9 | 100 0 | 56 13 | 1.7 | 14.2 2.2 | 1458 | SSW | 198 | 0.58 | 22.75 | 0.059 0.080 | 205 249 | 80 10 |
| Whiskey River Winery | 12/13/25 | 52.8 3.6 | 1548 | 37.3 0.3 | 0759 | 36.3 2.0 | 88 11 | 68 4 | 0.0 | 0.0 2.4 | 0001 | SE | 128 | 0.00 | 7.07 | - | - | - |
| Dollarhide Base | 4/10/26 | 66.2 10.4 | 1532 | 50.8 0.1 | 0329 | 52.7 0.2 | 100 0 | 66 21 | 3.6 | 22.0 0.4 | 1724 | WSW | 239 | 0.52 | 20.17 | 0.070 0.102 | 248 302 | 90 10 |
| Dollarhide 1AS Remote | 4/10/26 | 64.5 11.2 | 1533 | 46.3 0.2 | 0242 | 51.2 0.3 | 95 0 | 67 22 | 2.3 | 19.1 1.1 | 1522 | S | 188 | - | - | - | - | 80 10 |
| Dollarhide 17B Remote | 4/10/26 | 66.7 9.9 | 1523 | 47.0 1.0 | 0236 | 52.4 0.1 | 100 0 | 62 15 | - | - | - | - | - | - | - | - | 90 10 |
| Dollarhide 18A Remote | 4/10/26 | 66.4 9.2 | 1525 | 44.8 1.3 | 0220 | 51.4 0.9 | 100 1 | 62 16 | - | - | - | - | - | - | - | - | 80 10 |
| Angwin | 4/10/26 | 54.4 10.6 | 1457 | 46.9 2.2 | 0824 | 48.3 0.4 | 100 0 | 80 26 | 4.2 | 20.0 2.4 | 1346 | SSE | 162 | 0.81 | 40.60 | 0.003 0.021 | 0 0 | 10 10 |
| Lower Angwin (Pioneer) | 4/10/26 | 57.6 8.7 | 1509 | 46.8 2.6 | 0228 | - | - | - | 2.7 | 16.4 0.2 | 1430 | S | 189 | - | - | - | - | 20 10 |
| Deer Park | 4/10/26 | 65.3 8.7 | 1510 | 51.6 1.0 | 0132 | 52.0 0.6 | 97 2 | 58 12 | 2.8 | 14.7 0.2 | 1428 | SSE | 161 | 0.77 | 25.10 | 0.048 0.067 | 158 192 | 80 10 |
| Lower Chiles Valley (Brown) | 4/10/26 | 62.7 8.8 | 1623 | 44.9 0.1 | 0203 | 50.4 0.1 | 100 0 | 61 17 | 1.9 | 16.3 0.6 | 1754 | NW | 313 | 0.76 | 22.12 | 0.056 0.080 | 195 266 | 80 10 |
| Moss Creek Vineyard/Reservior | 4/10/26 | 64.2 11.4 | 1546 | 48.6 0.5 | 0242 | 50.9 1.0 | 95 1 | 62 26 | - | - | - | - | 0.34 | 24.24 | - | - | 90 10 |
| Max | 66.7 | - | 51.6 | - | 52.7 | 100 | 80 | 4.2 | 22.0 | - | - | 1.11 | 44.70 | 0.070 | 248 | - | |
| Avg | - | - | - | - | 51.1 | - | - | 2.7 | - | - | - | - | - | - | - | - | |
| Min | 54.4 | - | 43.7 | - | 48.3 | 95 | 56 | 1.7 | 14.2 | - | - | 0.34 | 20.17 | 0.003 | 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 | 4/10/26 | 65.1 20.1 | 1455 | 51.8 6.6 | 0221 | 54.1 1.2 | 100 1 | 71 35 | - | - | - | - | 0.87 | 29.32 | - | - | 50 10 |
| Fotsch (Maple Lane) | 3/9/26 | 75.9 3.7 | 1625 | 41.4 5.5 | 0743 | 44.5 1.8 | 97 3 | 26 3 | 3.3 | 15.6 1.3 | 1413 | WSW | 249 | 0.00 | 26.01 | - | - | 0 0 |
| Diamond Mtn (Schramsberg) | 4/10/26 | 61.3 9.7 | 1420 | 50.7 0.9 | 0138 | 52.4 0.9 | 100 0 | 64 14 | - | - | - | - | 0.57 | 27.61 | - | - | 80 10 |
| Diamond Mtn (McEachran) | 4/10/26 | 64.8 6.8 | 1458 | 50.9 0.7 | 2353 | 52.7 1.3 | 99 0 | 59 15 | - | - | - | - | - | - | - | - | 80 10 |
| St. Helena-North | 4/10/26 | 65.2 9.3 | 1458 | 50.9 1.9 | 0208 | 52.6 2.8 | 100 1 | 59 20 | 2.1 | 16.9 3.7 | 1442 | SSE | 164 | 0.68 | 28.03 | 0.050 0.077 | 164 247 | 80 10 |
| St. Helena (NVV Office) | 4/10/26 | 65.9 10.6 | 1517 | 51.4 0.8 | 0144 | - | - | - | 0.8 | 7.8 2.6 | 1518 | ESE | 110 | 0.87 | 24.92 | - | - | 90 10 |
| Tiara Fria (East St. Helena) | 4/10/26 | 65.0 9.9 | 1449 | 50.0 0.8 | 0143 | 53.0 2.2 | 96 0 | 60 18 | 2.2 | 15.9 1.2 | 1343 | SE | 124 | 0.73 | 23.06 | - | - | 80 10 |
| Rutherford Hill Estate | 4/10/26 | 65.4 9.9 | 1442 | 51.8 0.7 | 0131 | 52.8 1.1 | 100 0 | 63 21 | 1.7 | 14.0 2.6 | 1520 | S | 184 | 0.51 | 22.32 | 0.060 0.071 | 212 224 | 80 10 |
| Rutherford-North (Mee Ln) | 4/10/26 | 67.4 9.1 | 1532 | 47.2 1.6 | 0146 | 51.0 0.8 | 96 4 | 59 19 | 2.2 | 16.4 3.1 | 1513 | SE | 144 | 0.49 | 21.41 | 0.064 0.073 | 214 225 | 90 10 |
| Rutherford (STS) | 4/10/26 | 68.1 10.6 | 1433 | 49.5 2.6 | 0159 | 52.1 0.7 | 90 0 | 63 20 | 1.9 | 13.7 4.2 | 1512 | SSE | 151 | 0.62 | 22.70 | 0.071 0.085 | 247 276 | 90 10 |
| Oakville-NE (Ranch 88) | 4/10/26 | 66.1 11.0 | 1526 | 48.1 1.1 | 0126 | 52.0 3.0 | 98 3 | 58 21 | 1.5 | 15.8 0.8 | 1522 | SSW | 208 | 0.64 | 22.12 | 0.071 0.078 | 244 235 | 0 0 |
| OV561-East | 4/10/26 | 67.0 9.9 | 1522 | 49.7 1.3 | 0114 | - | - | - | - | - | - | - | - | - | - | - | 60 10 |
| Oakville | 4/10/26 | 65.8 9.4 | 1527 | 48.6 1.2 | 0158 | 52.5 1.8 | 97 0 | 60 18 | 2.8 | 14.8 1.0 | 1530 | S | 177 | 0.68 | 22.61 | 0.074 0.080 | 260 237 | 80 10 |
| OV518-West | 4/10/26 | 64.9 10.5 | 1522 | 48.0 0.0 | 0201 | - | - | - | - | - | - | - | - | - | - | - | 80 10 |
| To Kalon Remote (TKKE) | 4/10/26 | 66.7 10.3 | 1527 | 49.7 3.4 | 0147 | - | - | - | - | - | - | - | - | - | - | - | 90 10 |
| To Kalon | 4/10/26 | 66.0 9.0 | 1510 | 49.1 1.1 | 0147 | 53.0 1.3 | 98 0 | 61 15 | 2.5 | 15.0 0.1 | 1505 | SSE | 154 | 0.64 | 24.52 | 0.068 0.068 | 233 207 | 80 10 |
| To Kalon Remote (TKN5) | 4/10/26 | 66.9 9.4 | 1527 | 48.9 1.7 | 0136 | - | - | - | - | - | - | - | - | - | - | - | 70 10 |
| Yountville (Ranch 67) | 4/10/26 | 65.8 9.7 | 1703 | 47.6 0.2 | 0146 | 51.8 2.3 | 97 1 | 57 19 | 2.7 | 16.2 0.2 | 1509 | SSE | 155 | 0.69 | 20.89 | 0.078 0.083 | 305 237 | 80 10 |
| Stags Leap Dist (Silverado Vineyards) | 4/10/26 | 64.9 9.5 | 1659 | 47.1 0.1 | 0133 | 51.7 1.6 | 95 0 | 57 15 | 2.1 | 16.1 0.4 | 1508 | SSE | 153 | 0.69 | 24.85 | 0.068 0.072 | 240 228 | 90 10 |
| Borreo (Soda Canyon) | 4/10/26 | 63.7 9.1 | 1659 | 45.6 0.8 | 0151 | 51.3 1.3 | 97 1 | 62 20 | 1.4 | 13.0 1.7 | 1735 | SE | 137 | 0.72 | 24.86 | 0.058 0.081 | 210 277 | 70 10 |
| Wappo Hill Floor | 4/10/26 | 66.8 9.5 | 1707 | 45.9 0.1 | 0208 | 52.9 1.5 | 100 0 | 59 18 | 2.2 | 14.4 0.3 | 1508 | S | 171 | 0.76 | 24.26 | 0.069 0.085 | 244 249 | 90 10 |
| Stags Leap Dist (Chimney Rock) | 4/10/26 | 65.8 9.3 | 1658 | 47.3 0.4 | 0205 | 54.0 1.5 | 99 0 | 64 18 | 2.3 | 15.3 0.2 | 1501 | SW | 220 | 0.79 | 23.56 | 0.059 0.080 | 204 250 | 80 10 |
| Yountville-South (Ranch 87) | 4/10/26 | 66.5 8.2 | 1703 | 48.1 0.3 | 0128 | 53.6 1.8 | 100 0 | 58 14 | 2.0 | 14.4 0.3 | 1538 | SW | 235 | 0.76 | 24.67 | 0.069 0.071 | 244 213 | 40 10 |
| Yountville-SE (Ranch 85) | 4/10/26 | 66.3 9.6 | 1534 | 48.3 0.1 | 0204 | 53.6 1.6 | 100 3 | 60 16 | 1.1 | 11.0 1.3 | 1636 | SW | 224 | 0.72 | 23.16 | - | 0 0 | 60 10 |
| Oak Knoll-East (Ranch 53) | 4/3/26 | 80.5 10.3 | 1722 | 45.0 4.7 | 0045 | 27.6 11.1 | 76 19 | 10 11 | 5.2 | 21.4 7.7 | 0509 | NNW | 341 | 0.00 | 20.76 | 0.206 0.064 | 539 11 | 50 20 |
| Napa-NW (Ranch 54) | 4/10/26 | 67.6 9.7 | 1719 | 50.2 1.5 | 0148 | 53.6 2.8 | 100 0 | 56 17 | 0.8 | 11.1 0.8 | 1732 | SSW | 193 | 0.86 | 23.89 | - | 0 0 | 90 10 |
| Napa-North (Ranch 29) | 4/10/26 | 65.2 9.5 | 1521 | 50.3 1.1 | 0149 | 54.8 2.1 | 100 0 | 65 22 | 1.5 | 17.2 1.5 | 1549 | SSE | 163 | 0.63 | 21.25 | 0.050 0.061 | 170 174 | 90 10 |
| Max | 68.1 | - | 51.8 | - | 54.8 | 100 | 71 | 2.8 | 17.2 | - | - | 0.87 | 29.32 | 0.078 | 305 | - | |
| Avg | - | - | - | - | 52.8 | - | - | 1.9 | - | - | - | - | - | - | - | - | |
| Min | 61.3 | - | 45.6 | - | 51.0 | 90 | 56 | 0.8 | 7.8 | - | - | 0.49 | 20.89 | 0.050 | 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 | 4/10/26 | 57.2 10.6 | 1509 | 48.7 0.8 | 0038 | 50.3 0.7 | 100 4 | 78 32 | 1.8 | 14.6 0.1 | 1539 | SSW | 193 | 0.78 | 30.64 | 0.033 0.082 | 126 283 | 50 10 |
| Mount George (Napa East) | 4/10/26 | 66.1 6.7 | 1710 | 50.5 2.0 | 0149 | 54.2 2.3 | 97 1 | 63 15 | 1.2 | 12.1 0.1 | 1615 | ESE | 103 | 0.41 | 12.79 | 0.065 0.069 | 233 232 | 80 10 |
| Napa-East (Palmaz 300') | 4/10/26 | 66.3 8.4 | 1703 | 51.3 2.3 | 0148 | 53.1 0.9 | 97 3 | 58 14 | 1.5 | 13.2 0.9 | 1540 | SSW | 201 | 0.44 | 19.26 | 0.059 0.071 | 205 224 | 90 10 |
| Napa-East (Palmaz 1200') | 4/8/26 | 75.8 7.7 | 1612 | 44.0 1.8 | 0646 | 48.0 4.0 | 100 0 | 5 4 | 2.4 | 17.4 3.7 | 0940 | WNW | 300 | - | - | 0.147 0.013 | 523 4 | 60 10 |
| Napa-East (Palmaz 1400') | 4/10/26 | 58.6 10.2 | 1652 | 48.7 0.1 | 0156 | 52.0 0.0 | 100 0 | 74 20 | 2.4 | 15.9 0.7 | 1557 | WSW | 243 | 0.62 | 26.22 | 0.044 0.073 | 185 261 | 40 10 |
| Wooden Valley | 4/10/26 | 63.5 8.2 | 1458 | 48.3 1.5 | 0110 | 51.0 0.6 | 97 1 | 61 16 | 1.9 | 16.5 1.4 | 1821 | SW | 228 | 0.50 | 25.00 | 0.067 0.086 | 252 283 | 40 10 |
| Napa-West Upper (Truchard) | 4/10/26 | 65.3 9.4 | 1518 | 51.0 3.0 | 0059 | -7.6 19.2 | 100 0 | 0 0 | 3.2 | 20.5 4.4 | 1635 | S | 189 | 0.73 | 21.21 | 0.071 0.073 | 215 245 | 60 10 |
| Napa-West Lower (Truchard) | 4/10/26 | 67.7 9.6 | 1514 | 45.9 2.6 | 0122 | 52.4 1.7 | 100 0 | 62 20 | - | - | - | - | - | - | - | - | 60 10 |
| Napa-South (Toyon Farms) | 4/10/26 | 65.6 7.8 | 1631 | 51.7 1.6 | 0134 | 55.1 1.1 | 100 0 | 72 16 | 2.2 | 15.8 1.5 | 1632 | SSW | 192 | 0.77 | 15.04 | 0.033 0.043 | 128 114 | 60 10 |
| Toyon Remote 1 | 4/10/26 | 66.6 9.5 | 1509 | 44.9 1.1 | 0123 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 4/10/26 | 65.4 9.2 | 1632 | 47.5 0.3 | 0122 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 4/10/26 | 66.6 9.5 | 1630 | 46.9 1.3 | 0121 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 4/10/26 | 66.5 7.8 | 1514 | 49.2 2.9 | 0101 | 53.1 1.8 | 96 0 | 65 17 | 1.9 | 14.8 3.4 | 1429 | SSW | 211 | 0.79 | 20.47 | 0.060 0.080 | 216 268 | 90 10 |
| Carneros (Saintsbury) | 4/10/26 | 64.9 7.9 | 1503 | 48.9 3.9 | 0156 | 52.6 1.0 | 100 0 | 68 15 | 2.8 | 19.6 3.9 | 1625 | SSE | 166 | 0.70 | 6.67 | - | - | 40 10 |
| Suscol Lower (Ranch 35) | 4/10/26 | 66.2 7.5 | 1524 | 50.8 0.4 | 0139 | 53.1 0.3 | - | - | 3.7 | 19.9 3.8 | 1635 | SSW | 196 | 0.49 | 19.14 | 0.064 0.075 | 207 245 | 80 10 |
| Suscol Mtn (Ranch 93) | 4/10/26 | 62.6 10.3 | 1512 | 51.7 1.0 | 0651 | 52.0 0.3 | 98 1 | 68 21 | 4.6 | 22.5 3.3 | 1716 | W | 278 | 0.60 | 14.90 | - | - | 50 10 |
| Suscol Upper (Ranch 92) | 4/10/26 | 63.4 8.0 | 1512 | 52.4 1.2 | 0141 | 29.0 10.4 | 100 0 | 3 0 | 1.5 | 18.3 3.2 | 1744 | SW | 226 | 0.45 | 19.00 | - | - | 50 10 |
| Stanly (Ranch 45) | 4/10/26 | 65.9 9.0 | 1516 | 50.8 1.1 | 0121 | 52.2 0.4 | 95 0 | 63 17 | 4.4 | 19.6 2.9 | 1629 | SW | 224 | 0.79 | 20.91 | 0.074 0.099 | 259 310 | 90 10 |
| Carneros Upper (Ranch 81) | 4/10/26 | 64.7 9.0 | 1510 | 52.5 2.9 | 0153 | 14.4 17.4 | - | - | 4.9 | 21.2 0.4 | 1722 | WSW | 256 | - | - | - | - | 50 10 |
| Carneros (Mitsuko) | 4/10/26 | 65.7 7.8 | 1432 | 46.3 3.2 | 0119 | - | - | - | - | - | - | - | - | - | - | - | 10 10 |
| Carneros Lower (Ranch 81) | 4/10/26 | 64.4 12.1 | 1511 | 48.1 2.3 | 0146 | 29.2 4.7 | 100 0 | 0 0 | 1.3 | 13.7 2.3 | 1551 | SW | 214 | 0.00 | 16.94 | 0.059 0.060 | 188 206 | 10 10 |
| Carneros (Milton Rd) | 4/10/26 | 66.0 8.4 | 1625 | 48.5 0.5 | 0136 | 53.2 0.6 | 94 1 | 62 14 | - | - | - | - | 0.62 | 17.74 | - | - | 20 10 |
| Max | 67.7 | - | 52.5 | - | 55.1 | 100 | 78 | 4.9 | 22.5 | - | - | 0.79 | 30.64 | 0.074 | 259 | - | |
| Avg | - | - | - | - | 44.1 | - | - | 2.6 | - | - | - | - | - | - | - | - | |
| Min | 57.2 | - | 44.9 | - | -7.6 | 94 | 0 | 1.2 | 12.1 | - | - | 0.00 | 6.67 | 0.033 | 126 | - |