| Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | RH (%) | 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rockpile Lower (Cooley) | 4/24/25 | 62.5 8.4 | 1306 | 41.6 0.3 | 0303 | 43.3 0.6 | 81 | 97 5 | 53 12 | 3.6 | 17.4 2.1 | 2059 | WSW | 255 | 0.00 | 50.36 | - | - | 0 0 |
| Rockpile Upper (Cooley) | 4/24/25 | 59.5 7.9 | 1431 | 39.0 0.7 | 0321 | 42.8 0.3 | 89 | 100 0 | 61 16 | 7.7 | 27.4 2.6 | 2102 | NW | 316 | 0.00 | 49.83 | 0.094 0.076 | 391 277 | 0 0 |
| Cloverdale-East (Ranch 83) | 4/24/25 | 63.5 8.3 | 1511 | 42.3 2.9 | 0154 | 44.2 0.8 | - | - | - | 3.7 | 15.4 1.7 | 2010 | NNW | 341 | 0.00 | 40.71 | 0.106 0.062 | 358 230 | 40 10 |
| Cloverdale-SE (Ranch 38) | 4/24/25 | 61.0 8.2 | 1516 | 44.6 1.1 | 0323 | 45.5 0.5 | 82 | 95 5 | 64 18 | 5.3 | 16.8 3.6 | 1354 | NE | 42 | 0.00 | 43.04 | 0.093 0.067 | 350 245 | 0 0 |
| Geyserville-North (Hoffman) | 4/24/25 | 59.5 9.2 | 1636 | 42.8 3.1 | 0130 | 45.6 1.0 | 71 | 78 22 | 64 20 | 4.0 | 12.2 3.2 | 1442 | SE | 134 | 0.00 | 36.20 | 0.076 0.080 | 263 320 | 0 0 |
| Geyserville (Ranch 3) | 4/24/25 | 60.4 8.9 | 1653 | 44.0 3.5 | 0115 | 44.5 0.4 | 74 | 92 8 | 60 21 | 3.3 | 15.5 0.9 | 2056 | WNW | 289 | 0.00 | 47.00 | 0.081 0.079 | 267 322 | 20 10 |
| Geyserville-East (Ranch 40) | 4/24/25 | 59.8 8.7 | 1505 | 44.7 4.5 | 0541 | 45.9 0.3 | 86 | 99 0 | 68 22 | 4.0 | 17.5 2.6 | 1438 | S | 175 | 0.00 | 46.05 | 0.067 0.090 | 262 368 | 0 0 |
| Geyserville-South (Nervo Station) | 4/24/25 | 59.5 7.6 | 1632 | 45.0 3.9 | 0146 | - | - | - | - | 2.4 | 13.8 0.3 | 2335 | WNW | 288 | 0.00 | 37.23 | - | - | 0 0 |
| Lytton (River Oaks) | 4/24/25 | 59.1 10.4 | 1613 | 44.2 3.3 | 0101 | 45.1 0.5 | 78 | 96 3 | 62 20 | 2.9 | 10.7 3.2 | 1608 | ESE | 109 | 0.00 | 47.60 | 0.067 0.091 | 226 361 | 0 0 |
| Jimtown-North (Piccolo Ranch 15) | 4/24/25 | 59.8 8.8 | 1627 | 45.6 3.6 | 0101 | 44.6 0.3 | 76 | 100 0 | 59 19 | 1.8 | 10.1 3.3 | 1646 | SSW | 200 | 0.00 | 45.30 | 0.064 0.081 | 226 325 | 0 0 |
| Jimtown-NE (Red Fan) | 4/24/25 | 60.1 9.1 | 1557 | 46.4 4.6 | 0101 | 45.7 0.4 | 79 | 95 5 | 61 21 | 2.7 | 10.8 4.0 | 1522 | SE | 135 | 0.00 | 38.06 | 0.069 0.097 | 239 381 | 0 0 |
| HWY 128/Chalk Hill Rd (Landslide) | 4/24/25 | 58.8 9.0 | 1643 | 45.3 4.8 | 0101 | 45.9 0.7 | 81 | 96 4 | 64 18 | 2.2 | 9.7 6.9 | 1526 | SE | 129 | 0.00 | 19.68 | 0.013 0.012 | 0 0 | 0 0 |
| N Chalk Hill Rd (Ranch 63) | 4/24/25 | 59.3 8.1 | 1634 | 44.4 3.3 | 0101 | 44.7 0.3 | 78 | 95 5 | 60 16 | 0.9 | 9.6 6.8 | 1530 | E | 84 | 0.00 | 48.07 | 0.056 0.089 | 210 334 | 0 0 |
| Knights Valley (Bavarian Lion) | 4/24/25 | 58.1 10.5 | 1657 | 45.3 5.3 | 0101 | 45.2 0.7 | 82 | 95 3 | 64 18 | 2.2 | 8.0 4.7 | 0036 | W | 262 | 0.00 | 47.81 | 0.049 0.110 | 175 447 | 0 0 |
| Upper Dry Creek Valley | 4/24/25 | 60.8 8.8 | 1605 | 42.0 3.7 | 0211 | 44.4 0.2 | 75 | 96 3 | 58 18 | 3.3 | 12.1 4.1 | 1510 | SE | 146 | 0.00 | 48.97 | 0.098 0.070 | 343 282 | 0 10 |
| Lower Dry Creek Valley | 4/24/25 | 61.0 7.3 | 1623 | 42.2 0.9 | 0234 | 45.0 0.0 | 77 | 100 0 | 57 16 | 3.3 | 11.6 6.2 | 1703 | ESE | 120 | 0.00 | 50.10 | 0.086 0.078 | 296 299 | 0 0 |
| Max | 63.5 | - | 46.4 | - | 45.9 | 89 | 100 | 68 | 7.7 | 27.4 | - | - | 0.00 | 50.36 | 0.106 | 391 | - | |
| Avg | - | - | - | - | 44.8 | 79 | - | - | 3.3 | - | - | - | - | - | - | - | - | |
| Min | 58.1 | - | 39.0 | - | 42.8 | 71 | 78 | 53 | 0.9 | 8.0 | - | - | 0.00 | 19.68 | 0.013 | 0 | - |
| Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | RH (%) | Max RH (%) | Daily Min RH (%) | Wind Spd (mph) | Daily Max Wind (mph) | Time of Max Wind | Daily Rain (In) | Season Precip (In) | Daily ETo (in) | Daily Solar Rad (Cal/cm2) | Powdery Mildew Stress (pts) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Healdsburg-South (Sodini) | 4/24/25 | 59.0 7.5 | 1651 | 43.7 3.4 | 0102 | - | - | 96 4 | 62 15 | 1.4 | 10.5 5.6 | 1854 | 0.00 | 45.52 | - | - | 0 |
| Windsor-NW (Ranch 8) | 4/24/25 | 59.2 7.7 | 1447 | 45.3 2.8 | 0151 | 45.9 0.4 | 81 | 85 4 | 69 15 | 1.8 | 9.9 4.3 | 2109 | 0.00 | 44.90 | 0.063 0.094 | 243 377 | 0 |
| Windsor-East (Ranch 16) | 4/24/25 | 58.8 7.3 | 1657 | 38.9 2.8 | 0118 | 45.2 1.7 | 82 | 100 0 | 60 12 | 2.0 | 10.7 6.1 | 1659 | 0.00 | 38.45 | 0.051 0.108 | 172 446 | 0 |
| Mark West-North (Ranch 14) | 4/24/25 | 58.1 6.2 | 1731 | 43.2 2.6 | 0143 | 44.9 0.6 | 80 | 94 5 | 61 15 | 1.5 | 10.6 2.7 | 1519 | 0.00 | 43.81 | 0.043 0.108 | 143 455 | 0 |
| Windsor-SE (Silk Rd) | 4/24/25 | 59.0 6.9 | 1651 | 42.9 1.9 | 0209 | 45.6 0.6 | 82 | 97 3 | 61 12 | 1.9 | 8.9 6.3 | 2103 | 0.00 | 47.68 | 0.051 0.100 | 181 411 | 0 |
| Fulton-NW (Ranch 5) | 4/24/25 | 58.1 6.3 | 1723 | 41.9 1.9 | 0137 | 45.5 0.8 | 82 | 96 4 | 63 12 | 2.2 | 8.9 6.7 | 1726 | 0.00 | 42.55 | 0.051 0.106 | 172 457 | 0 |
| Windsor-South (Laughlin Rd) | 4/24/25 | 58.5 7.3 | 1715 | 44.0 1.5 | 0203 | - | - | - | - | - | - | - | 0.00 | 43.00 | - | - | 0 |
| Fulton-SE (Barnes Rd) | 4/24/25 | 57.8 5.2 | 1602 | 43.5 3.3 | 0127 | 45.3 0.8 | 81 | 94 2 | 63 8 | 2.3 | 12.4 3.2 | 1658 | 0.00 | 39.36 | - | - | 0 |
| Fulton-SW (Ranch 21) | 4/24/25 | 57.9 6.6 | 1703 | 42.0 1.5 | 0143 | - | - | - | - | 2.3 | 11.0 4.9 | 1711 | 0.00 | 32.47 | 0.055 0.110 | 193 476 | 0 |
| Santa Rosa-NW (Goldfields) | 4/24/25 | 58.4 5.8 | 1702 | 43.7 2.3 | 0131 | 45.6 0.4 | 82 | 97 3 | 63 9 | 2.2 | 9.4 7.0 | 2057 | 0.00 | 42.66 | 0.048 0.095 | 158 400 | 0 |
| Goldfields Remote | 4/24/25 | 50.2 14.5 | 2331 | 49.7 9.4 | 0042 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| NW Santa Rosa (Piner Road) | 4/24/25 | 57.6 6.0 | 1639 | 42.5 1.6 | 0138 | 47.8 1.0 | 91 | 100 0 | 70 8 | 1.6 | 10.9 2.5 | 1708 | 0.00 | 37.36 | - | - | 0 |
| River Rd South (Denner Ranch) | 4/24/25 | 58.7 5.7 | 1635 | 41.9 0.5 | 0152 | 45.9 0.2 | 84 | 97 1 | 63 11 | 2.4 | 11.6 5.9 | 1711 | - | - | - | - | 0 |
| West Santa Rosa (LOV Vineyard) | 4/24/25 | 58.3 5.9 | 1648 | 42.5 1.0 | 0139 | 45.6 0.3 | 83 | 97 2 | 63 8 | 1.3 | 10.7 0.3 | 1728 | 0.00 | 43.62 | 0.009 0.007 | 0 0 | 0 |
| Guerneville Rd (Prokopakis) | 4/24/25 | 59.8 7.0 | 1723 | 44.2 0.4 | 0132 | 45.8 0.0 | 82 | 97 3 | 61 11 | - | - | - | 0.00 | 34.35 | - | - | 0 |
| Guerneville Rd West (Balletto) | 4/24/25 | 58.1 6.1 | 1650 | 42.7 1.3 | 0133 | 46.4 0.2 | 85 | 97 2 | 67 7 | 1.9 | 10.8 2.8 | 1701 | 0.00 | 29.79 | - | - | 0 |
| Guerneville Rd East (Rich Ranch) | 4/24/25 | 58.2 5.6 | 1635 | 42.1 1.1 | 0129 | 45.6 0.8 | 83 | 97 3 | 62 8 | - | - | - | - | - | - | - | 0 |
| Sanchietti Ranch | 4/24/25 | 58.7 4.9 | 1601 | 42.5 2.1 | 0113 | 47.3 1.1 | - | 97 2 | 70 8 | 2.1 | 12.3 3.1 | 1640 | 0.00 | 40.63 | - | - | 0 |
| Occidental Rd (Sebastopol) | 4/24/25 | 58.0 6.1 | 1535 | 41.0 1.2 | 0141 | 50.2 0.3 | 100 | 100 0 | 100 0 | 1.8 | 13.2 0.4 | 1705 | 0.00 | 28.73 | - | - | 0 |
| Lower Westside Rd (Ranch 12) | 4/24/25 | 59.5 7.2 | 1616 | 43.2 2.2 | 0153 | 45.4 0.7 | 80 | 97 3 | 60 17 | 1.2 | 8.4 4.2 | 1651 | 0.00 | 45.76 | 0.010 0.014 | 0 0 | 0 |
| Guerneville (Laughlin Rd) | 4/24/25 | 61.3 8.2 | 1444 | 43.2 1.0 | 0101 | 44.8 0.5 | 77 | 96 3 | 54 11 | 2.2 | 13.2 0.7 | 1455 | 0.00 | 57.95 | - | - | 0 |
| Korbel (Winery) | 4/24/25 | 60.9 8.4 | 1608 | 45.8 2.5 | 0121 | 45.7 0.0 | 79 | 95 5 | 58 11 | 0.2 | 6.0 6.6 | 0916 | 0.00 | 52.27 | - | - | 0 |
| Forestville (Shone Farms) | 4/24/25 | 60.6 7.1 | 1709 | 42.2 1.3 | 0146 | 45.4 0.5 | 81 | 96 2 | 62 14 | 1.8 | 9.2 7.2 | 1520 | 0.00 | 52.06 | 0.053 0.103 | 191 409 | 0 |
| Forestville-NE (Ranch 30) | 4/24/25 | 59.3 7.1 | 1607 | 42.8 0.9 | 0120 | 46.3 0.6 | 84 | 97 2 | 67 14 | 2.1 | 10.5 7.0 | 1836 | 0.00 | 46.19 | 0.057 0.103 | 210 419 | 0 |
| Green Valley Vineyard | 4/24/25 | 58.1 7.0 | 1611 | 42.1 2.8 | 0156 | 45.2 0.6 | 84 | 97 1 | 62 18 | 1.8 | 16.2 4.2 | 1724 | 0.00 | 59.83 | 0.010 0.011 | 0 2 | 0 |
| Green Valley (Sanchietti) | 4/24/25 | 61.0 7.0 | 1557 | 41.3 1.3 | 0131 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| Keefer Ranch (Green Valley) | 4/24/25 | 58.8 6.7 | 1601 | 40.7 1.4 | 0203 | 47.2 1.0 | 88 | 100 0 | 69 12 | - | - | - | 0.00 | 55.46 | - | - | 0 |
| Graton-South (Mill Station Rd) | 4/24/25 | 57.7 5.6 | 1535 | 40.1 1.7 | 0202 | 46.4 1.9 | 83 | 89 11 | 73 18 | 0.3 | 7.3 1.0 | 1651 | 0.00 | 45.28 | - | - | 0 |
| Occidental (Horseshoe Bend) | 4/24/25 | 57.1 4.4 | 1553 | 43.3 1.6 | 0141 | 44.8 0.2 | - | 98 0 | 65 10 | - | - | - | 0.00 | 41.88 | - | - | 0 |
| Sexton Valley (Jacqueline's Blk) | 4/24/25 | 58.4 3.8 | 1522 | 40.6 4.2 | 0129 | 46.0 1.6 | 87 | 98 1 | 67 5 | 1.4 | 13.1 2.4 | 1650 | 0.00 | 40.61 | - | - | 0 |
| Sebastopol Hills (Burnside Rd) | 4/24/25 | 56.2 3.2 | 1535 | 44.3 3.9 | 0133 | 46.1 0.5 | 90 | 100 1 | 71 3 | 2.5 | 13.7 1.3 | 1645 | 0.00 | 44.63 | - | - | 0 |
| Seaview/Fort Ross (Hirsch) | 4/24/25 | 54.9 5.2 | 1425 | 40.7 1.2 | 0103 | 42.6 0.2 | 90 | 97 0 | 71 10 | 3.2 | 12.1 1.5 | 2122 | 0.00 | 72.94 | 0.084 0.066 | 383 287 | 0 |
| Max | 61.3 | - | 49.7 | - | 50.2 | 100 | 100 | 100 | 3.2 | 16.2 | - | 0.00 | 72.94 | 0.084 | 383 | - | |
| Avg | - | - | - | - | 45.9 | 84 | - | - | 1.8 | - | - | - | - | - | - | - | |
| Min | 50.2 | - | 38.9 | - | 42.6 | 77 | 85 | 54 | 0.2 | 6.0 | - | 0.00 | 28.73 | 0.009 | 0 | - |
| Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Upper Rincon Valley | 4/24/25 | 53.4 7.9 | 1532 | 41.0 1.9 | 0212 | 44.0 1.1 | 98 1 | 69 18 | 1.5 1.2 | 8.6 4.1 | 1706 | SE | 137 | 0.00 | 50.62 | 0.040 0.118 | 161 507 | 0 0 |
| Lower Bennett Valley | 4/24/25 | 56.2 5.3 | 1616 | 40.8 4.8 | 0152 | 45.4 0.6 | 100 0 | 67 6 | 2.6 1.5 | 13.0 2.1 | 1828 | SW | 228 | 0.00 | 30.29 | 0.049 0.095 | 176 449 | 0 0 |
| Kenwood (Wildwood) | 4/24/25 | 56.5 8.7 | 1550 | 41.0 1.9 | 0101 | 45.5 0.8 | 99 1 | 67 14 | 2.6 1.0 | 13.2 2.2 | 1940 | NNW | 346 | 0.00 | 42.03 | 0.057 0.095 | 226 394 | 0 0 |
| Sonoma Valley (Bedrock) | 4/24/25 | 57.4 6.2 | 1604 | 44.5 9.4 | 0118 | 44.0 1.5 | 93 5 | 60 7 | 0.0 0.0 | 0.0 0.0 | 0101 | NE | 45 | 0.00 | 39.69 | - | - | 0 0 |
| Sonoma-West (Arnold) | 4/24/25 | 60.2 5.2 | 1512 | 44.3 7.4 | 0101 | 45.3 1.1 | 95 5 | 56 5 | 4.0 0.2 | 14.7 1.5 | 1456 | WNW | 286 | 0.00 | 32.62 | 0.081 0.091 | 312 389 | 0 0 |
| Sonoma Valley HS | 4/24/25 | 58.7 5.8 | 1442 | 48.2 9.2 | 0107 | 46.4 0.6 | 92 8 | 64 5 | 3.0 0.0 | 11.7 1.4 | 1920 | W | 264 | 0.00 | 0.74 | 0.071 0.078 | 278 355 | 0 0 |
| Sonoma East (Bundschu01) | 4/24/25 | 59.8 5.3 | 1529 | 48.6 10.4 | 0652 | 44.8 0.3 | 86 12 | 56 6 | 4.3 0.4 | 16.9 0.2 | 1929 | WNW | 294 | 0.00 | 17.10 | 0.075 0.079 | 256 355 | 0 0 |
| Schellville (Sasaki) | 4/24/25 | 60.0 5.6 | 1410 | 48.7 6.1 | 0646 | 44.9 0.6 | 87 8 | 54 3 | 5.4 0.6 | 17.8 3.4 | 1607 | SSE | 157 | 0.00 | 2.41 | - | - | 0 0 |
| Sonoma-SE (Napoli) | 4/24/25 | 60.9 6.5 | 1442 | 48.4 7.6 | 0649 | 45.2 0.4 | 87 8 | 55 5 | 4.0 0.4 | 14.8 1.0 | 1451 | SW | 220 | 0.00 | 20.19 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 4/24/25 | 60.4 5.4 | 1438 | 48.6 4.5 | 0642 | 45.0 1.0 | 88 7 | 56 3 | 6.2 0.6 | 17.7 0.1 | 1745 | WSW | 240 | 0.00 | 26.00 | 0.086 0.076 | 301 343 | 0 0 |
| Carneros (Ranch 71) | 4/24/25 | 59.2 5.1 | 1443 | 47.2 3.7 | 0701 | 44.9 1.0 | 92 4 | 57 2 | 7.2 1.4 | 20.9 0.9 | 1936 | WSW | 255 | 0.00 | 27.10 | 0.083 0.070 | 299 320 | 0 0 |
| Carneros Upper (Ranch 81) | 4/22/25 | 68.7 10.7 | 1436 | 46.5 1.5 | 0015 | 49.4 0.1 | 100 0 | 48 8 | 8.2 3.1 | 24.8 1.5 | 1942 | WSW | 248 | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 4/22/25 | 68.3 15.3 | 1726 | 46.5 4.6 | 0011 | 49.7 0.7 | 100 0 | 52 15 | 2.4 1.7 | 16.4 8.8 | 1537 | S | 174 | 0.00 | 24.33 | 0.145 0.006 | 555 24 | 0 0 |
| Rohnert Park-West (Stony Point) | 4/24/25 | 57.1 3.2 | 1606 | 41.0 4.9 | 0110 | 46.6 1.8 | 98 1 | 70 3 | 3.3 0.1 | 16.0 1.2 | 1823 | WSW | 251 | 0.00 | 21.33 | - | - | 0 0 |
| Cartograph Wines Base | 4/24/25 | 56.0 3.5 | 1515 | 43.4 6.0 | 0104 | 46.5 0.9 | 100 0 | 72 4 | 4.6 0.1 | 19.4 0.8 | 1726 | SW | 233 | 0.00 | 36.21 | 0.059 0.069 | 249 362 | 0 0 |
| Cartograph Wines Remote | 4/24/25 | 57.7 4.3 | 1530 | 40.6 3.9 | 0101 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Rice-Spivak Vineyard | 4/24/25 | 57.7 4.0 | 1532 | 36.1 4.0 | 0101 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Penngrove (Asellus) | 4/24/25 | 56.0 4.6 | 1550 | 46.6 8.9 | 0405 | 45.4 0.5 | 95 4 | 64 5 | 2.8 0.7 | 13.8 0.0 | 1810 | S | 189 | 0.00 | 1.07 | - | - | 0 0 |
| Roger's Creek (Ranch 50) | 4/24/25 | 54.4 5.9 | 1603 | 45.0 0.0 | 0614 | 44.8 0.6 | 100 0 | 63 7 | 6.4 0.9 | 18.7 0.2 | 1942 | WSW | 240 | 0.00 | 31.10 | 0.064 0.078 | 254 374 | 0 0 |
| Petaluma (Ranch 10) | 4/24/25 | 58.8 4.6 | 1534 | 48.4 8.0 | 0619 | 44.6 0.0 | 88 8 | 56 3 | 4.9 1.1 | 16.9 2.1 | 1836 | W | 259 | 0.00 | 23.42 | 0.074 0.075 | 233 342 | 0 0 |
| Max | 60.9 | - | 48.7 | - | 46.6 | 100 | 72 | 7.2 | 20.9 | - | - | 0.00 | 50.62 | 0.086 | 312 | - | |
| Avg | - | - | - | - | 45.2 | - | - | 3.9 | - | - | - | - | - | - | - | - | |
| Min | 53.4 | - | 36.1 | - | 44.0 | 86 | 54 | 0.0 | 0.0 | - | - | 0.00 | 0.74 | 0.040 | 161 | - |