| 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 | 3/30/26 | 74.5 6.5 | 1101 | 48.5 1.8 | 0337 | - | - | - | - | - | - | - | 0.00 | 42.33 | - | - | 90 10 |
| Pope Valley (Weeks Lake) | 3/30/26 | 77.3 10.6 | 1425 | 40.4 3.9 | 0547 | 44.4 1.6 | 100 0 | 19 5 | 1.1 | 7.7 6.1 | 1652 | SSW | 202 | 0.00 | 21.60 | 0.082 0.075 | 233 226 | 100 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 | 3/30/26 | 79.1 10.9 | 1427 | 45.8 0.4 | 0554 | 48.7 0.8 | 96 4 | 28 11 | 2.5 | 17.8 0.5 | 2139 | SSW | 209 | 0.00 | 19.16 | 0.105 0.085 | 266 254 | 100 20 |
| Dollarhide 1AS Remote | 3/14/26 | 81.7 1.0 | 1452 | 37.8 5.1 | 0742 | 46.2 3.0 | 95 0 | 28 2 | 1.7 | 12.6 2.7 | 1558 | SW | 228 | - | - | - | - | 100 0 |
| Dollarhide 17B Remote | 3/30/26 | 77.9 11.3 | 1459 | 43.9 2.7 | 0552 | 48.6 1.2 | 98 2 | 25 7 | - | - | - | - | - | - | - | - | 100 20 |
| Dollarhide 18A Remote | 3/30/26 | 77.8 12.8 | 1446 | 39.1 3.5 | 0549 | 47.0 2.8 | 99 1 | 31 14 | - | - | - | - | - | - | - | - | 100 20 |
| Angwin | 3/30/26 | 72.4 7.6 | 1053 | 54.9 7.2 | 0016 | 30.4 1.5 | 73 39 | 14 0 | 2.7 | 11.5 3.2 | 0018 | W | 263 | 0.00 | 38.60 | 0.050 0.031 | 0 0 | 90 10 |
| Lower Angwin (Pioneer) | 3/30/26 | 74.1 7.2 | 1047 | 49.0 1.9 | 0535 | - | - | - | 2.0 | 11.8 2.1 | 1634 | SW | 236 | - | - | - | - | 100 0 |
| Deer Park | 3/30/26 | 77.2 10.4 | 1448 | 57.3 4.6 | 0055 | 41.7 3.8 | 75 29 | 20 9 | 2.7 | 16.0 3.3 | 0006 | NW | 306 | 0.00 | 23.61 | 0.094 0.064 | 208 136 | 100 10 |
| Lower Chiles Valley (Brown) | 3/30/26 | 75.2 10.6 | 1458 | 42.0 0.6 | 0655 | 45.7 3.5 | 93 7 | 25 14 | 1.7 | 9.6 5.1 | 1506 | WNW | 296 | 0.00 | 20.67 | 0.093 0.074 | 252 243 | 100 0 |
| Moss Creek Vineyard/Reservior | 3/30/26 | 78.2 11.2 | 1436 | 45.4 0.9 | 0633 | 46.2 2.1 | 93 7 | 28 16 | - | - | - | - | 0.00 | 23.37 | - | - | 60 10 |
| Max | 79.1 | - | 57.3 | - | 48.7 | 100 | 31 | 2.7 | 17.8 | - | - | 0.00 | 42.33 | 0.105 | 266 | - | |
| Avg | - | - | - | - | 44.1 | - | - | 2.1 | - | - | - | - | - | - | - | - | |
| Min | 72.4 | - | 39.1 | - | 30.4 | 73 | 14 | 1.1 | 7.7 | - | - | 0.00 | 19.16 | 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Calistoga-North | 3/30/26 | 79.6 12.6 | 1412 | 48.1 2.2 | 0723 | 48.6 2.8 | 84 6 | 28 11 | - | - | - | - | 0.00 | 27.89 | - | - | 50 20 |
| 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) | 3/30/26 | 76.1 10.1 | 1435 | 54.8 7.9 | 0101 | 42.0 4.2 | 80 40 | 23 9 | - | - | - | - | 0.00 | 26.40 | - | - | 100 0 |
| Diamond Mtn (McEachran) | 3/30/26 | 76.1 10.6 | 1424 | 56.4 0.0 | 0101 | 43.1 3.1 | 77 16 | 24 11 | - | - | - | - | - | - | - | - | 90 20 |
| St. Helena-North | 3/30/26 | 81.2 10.6 | 1431 | 48.6 1.9 | 0717 | 43.2 3.3 | 74 10 | 19 11 | 2.0 | 17.1 5.9 | 0004 | NW | 314 | 0.00 | 26.66 | 0.091 0.051 | 227 162 | 90 20 |
| St. Helena (NVV Office) | 3/30/26 | 79.8 11.2 | 1500 | 49.3 1.4 | 0650 | - | - | - | 1.1 | 9.4 0.0 | 0045 | NW | 307 | 0.00 | 23.51 | - | - | 90 20 |
| Tiara Fria (East St. Helena) | 3/30/26 | 78.6 10.9 | 1505 | 48.6 1.8 | 0710 | 45.7 4.0 | 81 10 | 26 15 | 2.2 | 14.5 1.0 | 0047 | WNW | 300 | 0.00 | 21.80 | - | - | 90 20 |
| Rutherford Hill Estate | 3/30/26 | 78.6 12.9 | 1424 | 57.1 1.0 | 0615 | 44.7 3.5 | 76 4 | 27 15 | 1.2 | 11.6 0.9 | 1729 | S | 184 | 0.00 | 21.35 | 0.085 0.063 | 242 172 | 100 10 |
| Rutherford-North (Mee Ln) | 3/30/26 | 78.8 11.3 | 1459 | 48.0 1.5 | 0722 | 47.1 3.3 | 85 5 | 25 13 | 2.2 | 16.0 4.6 | 1745 | SE | 133 | 0.00 | 20.49 | 0.094 0.065 | 247 185 | 100 10 |
| Rutherford (STS) | 3/30/26 | 79.6 12.2 | 1459 | 49.0 1.3 | 0708 | 49.4 2.8 | 88 3 | 28 11 | 2.1 | 11.9 0.5 | 1655 | SSE | 148 | 0.00 | 21.65 | 0.099 0.083 | 288 224 | 90 20 |
| Oakville-NE (Ranch 88) | 3/30/26 | 78.0 13.2 | 1459 | 46.2 3.1 | 0705 | 44.2 3.3 | 83 6 | 21 11 | 1.9 | 14.2 2.4 | 1748 | SSW | 197 | 0.00 | 21.19 | 0.101 0.070 | 272 222 | 0 0 |
| OV561-East | 3/30/26 | 76.6 14.4 | 1445 | 47.7 3.4 | 0601 | - | - | - | - | - | - | - | - | - | - | - | 80 10 |
| Oakville | 3/30/26 | 77.7 11.7 | 1451 | 46.4 2.1 | 0546 | 46.4 2.6 | 88 8 | 22 11 | 2.5 | 16.7 1.9 | 1733 | ESE | 120 | 0.00 | 21.73 | 0.104 0.077 | 283 212 | 80 10 |
| OV518-West | 3/30/26 | 77.2 10.9 | 1456 | 47.5 2.6 | 0715 | - | - | - | - | - | - | - | - | - | - | - | 80 10 |
| To Kalon Remote (TKKE) | 3/30/26 | 79.8 10.9 | 1455 | 46.4 0.4 | 0526 | - | - | - | - | - | - | - | - | - | - | - | 90 20 |
| To Kalon | 3/30/26 | 78.3 11.7 | 1400 | 47.5 1.3 | 0610 | 46.6 3.6 | 86 7 | 26 14 | 2.4 | 14.0 1.2 | 1735 | SSE | 149 | 0.00 | 23.62 | 0.095 0.074 | 240 217 | 100 10 |
| To Kalon Remote (TKN5) | 3/30/26 | 79.0 11.5 | 1446 | 46.4 1.6 | 0529 | - | - | - | - | - | - | - | - | - | - | - | 90 20 |
| Yountville (Ranch 67) | 3/30/26 | 75.7 13.9 | 1428 | 47.4 3.2 | 0555 | 46.4 2.0 | 87 8 | 27 15 | 2.6 | 14.2 3.7 | 1830 | SSE | 158 | 0.00 | 19.96 | 0.108 0.062 | 323 195 | 80 10 |
| Stags Leap Dist (Silverado Vineyards) | 3/30/26 | 75.1 13.5 | 1423 | 48.5 3.2 | 0721 | 46.2 1.8 | 85 9 | 27 15 | 2.1 | 15.3 7.2 | 1712 | SSE | 148 | 0.00 | 23.91 | 0.102 0.050 | 290 201 | 90 10 |
| Borreo (Soda Canyon) | 3/30/26 | 73.5 13.6 | 1452 | 48.3 1.9 | 0647 | 45.4 1.9 | 81 8 | 29 15 | 1.4 | 8.1 1.3 | 1644 | SSE | 154 | 0.00 | 23.83 | 0.094 0.072 | 302 205 | 90 10 |
| Wappo Hill Floor | 3/30/26 | 76.6 13.9 | 1358 | 45.1 4.2 | 0716 | 47.1 1.4 | 96 4 | 29 14 | 2.3 | 12.0 2.6 | 1656 | ESE | 115 | 0.00 | 23.28 | 0.099 0.056 | 259 202 | 80 10 |
| Stags Leap Dist (Chimney Rock) | 3/30/26 | 76.0 12.7 | 1501 | 46.7 3.6 | 0617 | 48.1 1.2 | 92 8 | 34 14 | 2.4 | 13.3 3.1 | 1727 | ESE | 122 | 0.00 | 22.51 | 0.097 0.054 | 255 184 | 80 10 |
| Yountville-South (Ranch 87) | 3/30/26 | 76.2 13.9 | 1402 | 46.9 2.7 | 0647 | 48.3 2.4 | 92 8 | 28 13 | 1.7 | 10.4 0.3 | 1657 | SE | 128 | 0.00 | 23.66 | 0.088 0.053 | 242 156 | 60 20 |
| Yountville-SE (Ranch 85) | 3/30/26 | 76.4 12.7 | 1245 | 47.1 2.7 | 0537 | 48.1 1.0 | 92 6 | 29 12 | 1.9 | 11.8 3.0 | 1723 | SSE | 152 | 0.00 | 22.19 | - | 0 0 | 80 10 |
| Oak Knoll-East (Ranch 53) | 3/30/26 | 76.3 14.8 | 1459 | 47.7 2.8 | 0703 | 46.5 2.6 | 88 6 | 28 17 | 1.5 | 9.4 3.4 | 1650 | SE | 129 | 0.00 | 20.46 | 0.090 0.066 | 250 200 | 60 20 |
| Napa-NW (Ranch 54) | 3/30/26 | 76.6 13.1 | 1249 | 48.4 3.1 | 0659 | 46.5 3.5 | 84 6 | 26 14 | 1.7 | 11.8 0.3 | 1724 | S | 176 | 0.00 | 22.69 | - | 0 0 | 80 10 |
| Napa-North (Ranch 29) | 3/30/26 | 74.8 15.4 | 1445 | 47.7 1.9 | 0641 | 48.1 1.5 | 92 8 | 33 21 | 1.4 | 15.0 3.0 | 1644 | SSE | 165 | 0.00 | 20.32 | 0.065 0.053 | 149 144 | 80 10 |
| Max | 81.2 | - | 57.1 | - | 49.4 | 96 | 34 | 2.6 | 17.1 | - | - | 0.00 | 27.89 | 0.108 | 323 | - | |
| Avg | - | - | - | - | 46.3 | - | - | 1.9 | - | - | - | - | - | - | - | - | |
| Min | 73.5 | - | 45.1 | - | 42.0 | 74 | 19 | 1.1 | 8.1 | - | - | 0.00 | 19.96 | 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mt. Veeder | 3/30/26 | 74.4 8.9 | 0919 | 54.3 11.2 | 0059 | 39.6 3.5 | 77 39 | 14 2 | 1.0 | 4.9 3.9 | 0037 | N | 0 | 0.00 | 29.29 | 0.155 0.008 | 645 133 | 100 0 |
| Mount George (Napa East) | 3/30/26 | 74.2 13.3 | 1503 | 46.3 1.8 | 0638 | 46.8 2.1 | 86 8 | 35 20 | 1.0 | 7.2 2.4 | 1642 | SW | 225 | 0.00 | 11.88 | 0.089 0.067 | 282 211 | 80 10 |
| Napa-East (Palmaz 300') | 3/30/26 | 75.5 13.1 | 1459 | 48.2 0.5 | 0700 | 47.1 2.5 | 85 11 | 32 15 | 1.4 | 10.0 0.4 | 1634 | SW | 234 | 0.00 | 18.31 | 0.085 0.076 | 245 209 | 80 10 |
| Napa-East (Palmaz 1200') | 3/29/26 | 83.5 6.7 | 1544 | 50.9 5.5 | 0609 | 40.3 3.6 | 67 13 | 19 10 | 2.8 | 14.7 5.1 | 1508 | W | 263 | - | - | 0.168 0.016 | 491 14 | 100 0 |
| Napa-East (Palmaz 1400') | 3/30/26 | 76.8 6.6 | 1201 | 49.7 4.1 | 0627 | 42.9 2.8 | 88 27 | 20 1 | 2.1 | 11.0 1.5 | 2327 | W | 262 | 0.00 | 24.80 | 0.099 0.075 | 287 210 | 90 10 |
| Wooden Valley | 3/30/26 | 75.3 9.2 | 1153 | 42.6 1.3 | 0658 | 46.8 2.0 | 96 0 | 33 12 | 2.5 | 11.1 0.9 | 2105 | NNW | 338 | 0.00 | 24.00 | 0.100 0.067 | 274 233 | 90 10 |
| Napa-West Upper (Truchard) | 3/30/26 | 75.8 14.1 | 1439 | 54.3 0.1 | 0704 | 46.6 2.1 | 87 7 | 32 20 | 2.3 | 13.3 2.2 | 1622 | S | 182 | 0.00 | 20.16 | 0.099 0.093 | 268 231 | 80 10 |
| Napa-West Lower (Truchard) | 3/30/26 | 77.8 14.6 | 1442 | 43.5 1.8 | 0653 | 48.3 3.2 | 92 8 | 34 22 | - | - | - | - | - | - | - | - | 80 10 |
| Napa-South (Toyon Farms) | 3/30/26 | 74.5 13.6 | 1439 | 50.8 1.1 | 0656 | 51.3 1.0 | 88 10 | 44 21 | 1.9 | 13.8 0.8 | 1622 | S | 180 | 0.00 | 13.94 | 0.054 0.055 | 141 88 | 80 10 |
| Toyon Remote 1 | 3/30/26 | 74.9 13.9 | 1421 | 42.5 2.2 | 0605 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 3/30/26 | 75.0 12.7 | 1438 | 45.7 2.8 | 0619 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 3/30/26 | 75.2 15.2 | 1452 | 45.3 2.0 | 0646 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 3/30/26 | 75.6 12.8 | 1459 | 48.4 0.6 | 0649 | 48.2 3.2 | 83 10 | 35 19 | 2.0 | 9.1 3.8 | 1803 | SE | 134 | 0.00 | 19.35 | 0.097 0.080 | 291 212 | 80 10 |
| Carneros (Saintsbury) | 3/30/26 | 72.8 14.3 | 1438 | 48.8 3.3 | 0710 | 48.9 2.9 | 86 9 | 39 20 | 2.3 | 14.5 0.3 | 1700 | S | 172 | 0.00 | 5.62 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 3/30/26 | 74.3 13.8 | 1444 | 49.4 2.9 | 0524 | 46.3 1.9 | - | - | 3.9 | 16.9 2.6 | 1618 | SSW | 193 | 0.00 | 18.31 | 0.106 0.070 | 266 198 | 80 10 |
| Suscol Mtn (Ranch 93) | 3/30/26 | 72.0 13.9 | 1346 | 55.4 7.2 | 0024 | 43.1 4.6 | 86 26 | 27 12 | 2.8 | 11.9 7.8 | 1608 | WSW | 246 | 0.00 | 13.80 | - | - | 80 10 |
| Suscol Upper (Ranch 92) | 3/30/26 | 72.9 13.2 | 1239 | 56.2 3.5 | 0021 | 44.2 2.9 | 86 17 | 30 13 | 1.7 | 12.5 5.1 | 2030 | SSW | 211 | 0.00 | 18.16 | - | - | 90 10 |
| Stanly (Ranch 45) | 3/30/26 | 77.3 11.9 | 1435 | 46.1 2.0 | 0626 | 48.6 3.5 | 91 5 | 27 13 | 3.8 | 17.4 1.7 | 1622 | SSW | 195 | 0.00 | 19.65 | 0.112 0.091 | 289 247 | 80 10 |
| Carneros Upper (Ranch 81) | 3/30/26 | 75.4 11.3 | 1456 | 56.1 0.4 | 0008 | 46.2 2.2 | - | - | 2.9 | 13.0 4.3 | 1611 | S | 170 | - | - | - | - | 80 10 |
| Carneros (Mitsuko) | 3/30/26 | 75.1 11.6 | 1434 | 42.7 2.9 | 0625 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 3/30/26 | 76.1 16.6 | 1452 | 47.7 3.2 | 0617 | 49.8 4.9 | 88 12 | 39 38 | 1.3 | 10.5 3.4 | 1600 | SSE | 168 | 0.00 | 16.94 | 0.079 0.051 | 234 172 | 0 0 |
| Carneros (Milton Rd) | 3/30/26 | 74.6 13.6 | 1434 | 44.3 1.8 | 0645 | 48.6 2.8 | 91 4 | 37 22 | - | - | - | - | 0.00 | 17.00 | - | - | 40 10 |
| Max | 77.8 | - | 56.2 | - | 51.3 | 96 | 44 | 3.9 | 17.4 | - | - | 0.00 | 29.29 | 0.155 | 645 | - | |
| Avg | - | - | - | - | 46.7 | - | - | 2.2 | - | - | - | - | - | - | - | - | |
| Min | 72.0 | - | 42.5 | - | 39.6 | 77 | 14 | 1.0 | 4.9 | - | - | 0.00 | 5.62 | 0.054 | 141 | - |