| Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | RH (%) | 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rockpile Lower (Cooley) | 1/30/26 | 70.8 0.5 | 1356 | 48.3 2.7 | 0618 | 40.6 1.3 | 55 | 74 14 | 25 7 | 1.4 | 7.2 2.8 | 0601 | NNE | 17 | 0.00 | 29.13 | - | - | 0 0 |
| Rockpile Upper (Cooley) | 1/30/26 | 67.4 1.2 | 1639 | 50.5 4.0 | 0650 | 37.6 2.2 | 48 | 67 13 | 24 1 | 3.0 | 9.2 6.4 | 0001 | N | 6 | 0.00 | 29.84 | 0.082 0.000 | 303 19 | 0 0 |
| Cloverdale-East (Ranch 83) | 1/30/26 | 71.0 4.4 | 1447 | 36.2 2.9 | 2359 | 39.9 2.2 | - | - | - | 3.6 | 18.1 0.7 | 0848 | NNE | 16 | 0.00 | 25.21 | 0.070 0.001 | 263 12 | 0 0 |
| Cloverdale-SE (Ranch 38) | 1/30/26 | 73.5 5.4 | 1530 | 43.7 3.0 | 0559 | 42.2 0.8 | 67 | 90 3 | 22 13 | 4.0 | 22.8 3.7 | 0909 | N | 1 | 0.00 | 26.66 | 0.069 0.002 | 258 13 | 0 0 |
| Geyserville-North (Hoffman) | 1/30/26 | 70.8 0.5 | 1500 | 35.2 1.4 | 0619 | 41.9 0.1 | 80 | 97 0 | 35 4 | 1.8 | 8.8 0.1 | 1111 | WNW | 294 | 0.00 | 25.50 | 0.063 0.002 | 241 17 | 0 0 |
| Geyserville (Ranch 3) | 1/30/26 | 70.0 0.7 | 1427 | 37.1 1.9 | 0658 | 42.7 0.2 | 83 | 100 0 | 33 4 | 2.0 | 10.1 0.9 | 1011 | WNW | 297 | 0.00 | 25.55 | 0.060 0.003 | 247 17 | 0 0 |
| Geyserville-East (Ranch 40) | 1/30/26 | 75.0 0.3 | 1403 | 43.2 2.4 | 0547 | 45.2 1.4 | 72 | 96 0 | 34 11 | 2.8 | 13.7 5.3 | 0241 | WNW | 301 | 0.00 | 25.99 | 0.071 0.001 | 268 20 | 0 0 |
| Geyserville-South (Nervo Station) | 1/30/26 | 70.8 0.9 | 1539 | 39.4 0.2 | 0528 | - | - | - | - | 0.9 | 7.1 1.0 | 1105 | NW | 320 | 0.00 | 19.54 | - | - | 0 0 |
| Jimtown-North (Piccolo Ranch 15) | 1/30/26 | 73.6 4.5 | 1521 | 35.4 1.9 | 0653 | 41.2 1.6 | 81 | 100 0 | 25 4 | 1.0 | 5.9 2.2 | 1329 | S | 179 | 0.00 | 23.77 | 0.052 0.004 | 227 19 | 0 0 |
| Jimtown-NE (Red Fan) | 8/26/25 | 88.9 0.8 | 1609 | 56.4 0.1 | 0146 | 53.1 1.9 | 64 | 94 2 | 20 8 | 3.5 | 13.4 0.5 | 1919 | S | 169 | 0.00 | 0.00 | 0.187 0.011 | 528 30 | 0 0 |
| HWY 128/Chalk Hill Rd (Landslide) | 1/30/26 | 73.3 0.0 | 1515 | 34.9 1.6 | 0549 | 41.6 0.8 | 84 | 100 0 | 36 9 | 1.0 | 5.7 2.5 | 1531 | S | 176 | 0.00 | 22.94 | 0.055 0.004 | 223 22 | 0 0 |
| N Chalk Hill Rd (Ranch 63) | 1/30/26 | 70.1 0.2 | 1511 | 34.5 1.6 | 0701 | 41.2 0.9 | 83 | 100 0 | 36 1 | 0.6 | 6.3 1.3 | 1538 | S | 191 | 0.00 | 24.29 | 0.055 0.002 | 228 13 | - |
| Knights Valley (Bavarian Lion) | 1/30/26 | 69.3 2.2 | 1435 | 33.0 0.2 | 0504 | 39.6 0.6 | 82 | 98 0 | 32 5 | 2.0 | 8.7 0.0 | 1521 | SSE | 159 | 0.00 | 22.82 | 0.063 0.001 | 254 18 | - |
| Upper Dry Creek Valley | 1/30/26 | 71.7 0.9 | 1357 | 37.7 0.5 | 0550 | 42.1 1.0 | 81 | 98 0 | 23 11 | 1.1 | 5.0 1.5 | 1159 | NW | 310 | 0.00 | 27.62 | 0.064 0.004 | 269 18 | - |
| Lower Dry Creek Valley | 1/30/26 | 73.9 0.8 | 1502 | 36.7 0.5 | 0708 | 43.1 0.6 | 84 | 100 0 | 29 4 | 0.5 | 6.8 1.9 | 0945 | NW | 322 | 0.00 | 27.19 | 0.056 0.004 | 245 19 | 0 0 |
| Max | 75.0 | - | 50.5 | - | 45.2 | 84 | 100 | 36 | 4.0 | 22.8 | - | - | 0.00 | 29.84 | 0.082 | 303 | - | |
| Avg | - | - | - | - | 41.5 | 75 | - | - | 1.8 | - | - | - | - | - | - | - | - | |
| Min | 67.4 | - | 33.0 | - | 37.6 | 48 | 67 | 22 | 0.5 | 5.0 | - | - | 0.00 | 19.54 | 0.052 | 223 | - |
| Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | RH (%) | Daily 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) | 1/30/26 | 70.8 3.1 | 1428 | 36.8 1.2 | 0651 | - | - | 100 0 | 38 8 | 0.5 | 7.7 1.1 | 0133 | 0.00 | 19.55 | - | - | 0 |
| Windsor-NW (Ranch 8) | 1/30/26 | 74.8 0.4 | 1427 | 41.2 1.6 | 0714 | 44.4 0.3 | 77 | 86 3 | 41 3 | 0.4 | 7.1 0.5 | 1406 | 0.00 | 23.60 | 0.061 0.004 | 263 12 | - |
| Windsor-East (Ranch 16) | 1/30/26 | 68.5 4.3 | 1412 | 36.0 0.7 | 0558 | 43.8 0.8 | 85 | 100 0 | 43 11 | 1.4 | 9.4 2.3 | 0958 | 0.00 | 17.44 | 0.064 0.004 | 262 20 | 0 |
| Mark West-North (Ranch 14) | 1/30/26 | 69.1 2.8 | 1406 | 37.0 1.2 | 0623 | 43.3 0.9 | 83 | 98 0 | 42 8 | 0.7 | 6.3 0.7 | 1519 | 0.00 | 19.07 | 0.008 0.000 | 0 0 | 0 |
| Windsor-SE (Silk Rd) | 1/30/26 | 67.7 2.9 | 1358 | 34.6 0.8 | 0551 | 42.2 0.7 | 85 | 100 0 | 44 9 | 0.9 | 7.0 0.7 | 1446 | 0.00 | 15.45 | 0.060 0.004 | 258 22 | 0 |
| Fulton-NW (Ranch 5) | 1/30/26 | 65.8 2.5 | 1433 | 35.2 1.3 | 0614 | 19.3 2.1 | 55 | 100 0 | 3 0 | 1.1 | 6.5 0.6 | 1511 | 0.00 | 19.05 | 0.059 0.005 | 247 25 | 0 |
| Windsor-South (Laughlin Rd) | 1/30/26 | 67.6 4.9 | 1327 | 36.3 0.1 | 0627 | 26.5 8.9 | 66 | 100 0 | 0 0 | - | - | - | 0.00 | 18.99 | - | - | - |
| Fulton-SE (Barnes Rd) | 1/30/26 | 66.7 1.5 | 1558 | 35.5 0.8 | 0552 | 44.0 0.8 | 86 | 98 0 | 54 9 | 0.4 | 7.8 1.3 | 1354 | 0.00 | 18.33 | - | - | - |
| Fulton-SW (Ranch 21) | 1/30/26 | 65.3 3.0 | 1338 | 35.1 0.8 | 0517 | -6.4 6.2 | 41 | 100 0 | 0 0 | 1.6 | 7.1 1.5 | 1459 | 0.00 | 18.60 | 0.067 0.004 | 278 25 | - |
| Santa Rosa-NW (Goldfields) | 1/30/26 | 67.7 3.4 | 1403 | 35.2 0.1 | 0558 | 44.2 1.0 | 86 | 100 0 | 50 12 | 1.6 | 7.8 1.5 | 1438 | 0.00 | 19.57 | 0.055 0.007 | 231 24 | - |
| Goldfields Remote | 1/30/26 | 66.4 2.0 | 1406 | 35.3 0.8 | 0603 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| NW Santa Rosa (Piner Road) | 1/30/26 | 65.8 2.6 | 1531 | 34.7 0.1 | 0604 | 44.6 0.7 | 92 | 100 0 | 61 14 | 1.0 | 7.1 2.1 | 1446 | 0.00 | 16.84 | - | - | - |
| River Rd South (Denner Ranch) | 1/30/26 | 68.0 5.4 | 1425 | 34.3 0.4 | 0614 | 44.5 0.3 | 89 | 100 0 | 50 11 | 1.9 | 8.3 0.7 | 1444 | - | - | - | - | - |
| West Santa Rosa (LOV Vineyard) | 1/30/26 | 66.3 3.6 | 1532 | 35.7 0.2 | 0553 | 43.8 0.7 | 86 | 100 0 | 51 13 | 0.8 | 7.5 1.4 | 1441 | 0.01 | 15.79 | 0.007 0.001 | 0 0 | 0 |
| Guerneville Rd (Prokopakis) | 1/30/26 | 65.7 1.9 | 1556 | 36.6 0.8 | 0531 | 44.4 0.3 | 87 | 100 0 | 53 11 | - | - | - | 0.00 | 17.70 | - | - | - |
| Guerneville Rd West (Balletto) | 1/30/26 | 65.4 3.5 | 1404 | 35.9 1.2 | 0537 | 43.9 0.4 | 90 | 100 0 | 57 10 | 1.3 | 7.5 0.5 | 1437 | 0.00 | 17.59 | - | - | - |
| Sanchietti Ranch | 1/30/26 | 65.8 0.8 | 1522 | 36.7 0.4 | 0539 | 45.6 0.5 | - | 100 0 | 65 9 | 1.6 | 8.5 1.3 | 1531 | 0.00 | 18.47 | - | - | - |
| Occidental Rd (Sebastopol) | 1/30/26 | 66.4 3.8 | 1522 | 35.0 1.9 | 0538 | 47.6 0.5 | 100 | 100 0 | 99 28 | 1.0 | 6.6 0.4 | 1454 | 0.00 | 6.79 | - | - | - |
| Lower Westside Rd (Ranch 12) | 1/30/26 | 74.3 2.7 | 1408 | 39.7 1.0 | 0707 | 43.9 0.8 | 79 | 98 2 | 31 2 | 0.5 | 5.8 0.4 | 1456 | 0.00 | 22.96 | - | - | 0 |
| Guerneville (Laughlin Rd) | 1/30/26 | 65.8 0.3 | 1413 | 42.1 1.0 | 0709 | 46.6 0.3 | 91 | 99 0 | 59 2 | 0.5 | 4.5 0.6 | 1511 | 0.01 | 31.37 | - | - | - |
| Korbel (Winery) | 1/30/26 | 68.1 0.8 | 1522 | 43.0 1.1 | 0728 | 47.1 0.2 | 90 | 100 0 | 41 10 | 0.9 | 8.1 4.2 | 1516 | 0.01 | 28.75 | - | - | - |
| Forestville (Shone Farms) | 1/30/26 | 68.9 2.2 | 1414 | 38.4 0.3 | 0523 | 44.9 0.2 | 84 | 98 0 | 40 1 | 1.0 | 7.8 2.3 | 1515 | 0.00 | 24.37 | 0.059 0.005 | 247 26 | 0 |
| Forestville-NE (Ranch 30) | 1/30/26 | 67.5 5.2 | 1435 | 39.0 0.3 | 0705 | 45.6 0.2 | 90 | 100 0 | 49 8 | 1.0 | 8.4 3.1 | 1513 | 0.00 | 22.70 | 0.060 0.005 | 259 19 | - |
| Green Valley Vineyard | 1/30/26 | 66.1 3.0 | 1449 | 38.8 0.9 | 0703 | 45.3 0.6 | 87 | 99 0 | 46 9 | 1.6 | 5.9 0.0 | 0411 | 0.00 | 27.56 | 0.008 0.001 | 0 8 | - |
| Green Valley (Sanchietti) | 1/30/26 | 69.3 3.1 | 1412 | 37.7 1.6 | 0345 | - | - | - | - | - | - | - | - | - | - | - | - |
| Keefer Ranch (Green Valley) | 1/30/26 | 67.1 2.7 | 1424 | 36.5 1.9 | 0345 | 43.4 0.4 | 89 | 100 0 | 52 10 | - | - | - | 0.00 | 24.74 | - | - | - |
| Graton-South (Mill Station Rd) | 1/30/26 | 66.3 3.9 | 1445 | 35.3 1.3 | 0710 | 43.2 0.5 | 88 | 100 0 | 48 10 | 0.1 | 4.8 1.4 | 1425 | 0.00 | 21.91 | - | - | 0 |
| Occidental (Horseshoe Bend) | 1/30/26 | 65.6 0.7 | 1442 | 48.2 2.5 | 0739 | 46.5 0.9 | - | 91 4 | 43 4 | - | - | - | 0.00 | 16.12 | - | - | - |
| Sexton Valley (Jacqueline's Blk) | 1/30/26 | 66.2 2.5 | 1451 | 36.0 1.2 | 0415 | 43.6 0.3 | 89 | 100 0 | 53 0 | 1.0 | 6.1 1.1 | 1529 | 0.01 | 7.43 | - | - | - |
| Sebastopol Hills (Burnside Rd) | 1/30/26 | 64.8 2.0 | 1441 | 42.6 1.4 | 0737 | 47.7 0.2 | 88 | 100 0 | 54 3 | 0.5 | 6.6 0.5 | 0820 | 0.00 | 21.70 | - | - | - |
| Seaview/Fort Ross (Hirsch) | 1/30/26 | 68.1 0.1 | 1349 | 52.0 4.4 | 0329 | 41.8 0.0 | 55 | 72 15 | 34 1 | 3.5 | 12.1 0.5 | 2001 | 0.00 | 38.17 | 0.080 0.008 | 280 22 | - |
| Max | 74.8 | - | 52.0 | - | 47.7 | 100 | 100 | 99 | 3.5 | 12.1 | - | 0.01 | 38.17 | 0.080 | 280 | - | |
| Avg | - | - | - | - | 41.3 | 82 | - | - | 1.1 | - | - | - | - | - | - | - | |
| Min | 64.8 | - | 34.3 | - | -6.4 | 41 | 72 | 0 | 0.1 | 4.5 | - | 0.00 | 6.79 | 0.007 | 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Upper Rincon Valley | 1/30/26 | 65.8 0.9 | 1359 | 45.1 2.7 | 0415 | 43.8 0.1 | 93 1 | 49 8 | 1.9 0.5 | 6.1 0.4 | 1419 | SSE | 159 | 0.00 | 5.41 | 0.067 0.009 | 289 26 | - |
| Lower Bennett Valley | 1/30/26 | 69.7 2.7 | 1317 | 33.7 0.7 | 0403 | 42.6 0.6 | 100 0 | 46 1 | 1.5 0.1 | 9.0 0.7 | 0941 | NNW | 335 | 0.00 | 17.66 | 0.062 0.003 | 262 21 | 0 0 |
| Kenwood (Wildwood) | 1/30/26 | 65.0 4.6 | 1419 | 36.3 1.0 | 0459 | 44.4 0.6 | 100 0 | 52 5 | 2.4 0.3 | 9.8 1.4 | 1405 | SSW | 194 | 0.00 | 21.27 | 0.059 0.004 | 243 16 | - |
| Sonoma Valley (Bedrock) | 1/30/26 | 64.3 0.2 | 1426 | 34.8 0.3 | 0649 | 42.8 0.1 | 98 0 | 51 0 | - | - | - | - | 0.00 | 17.18 | - | - | - |
| Sonoma-West (Arnold) | 1/30/26 | 66.5 0.0 | 1450 | 35.0 1.3 | 0624 | 44.3 0.4 | 100 0 | 53 1 | 1.6 0.1 | 10.2 3.1 | 1510 | SE | 128 | 0.00 | 14.43 | 0.071 0.006 | 300 28 | - |
| Sonoma Valley HS | 1/30/26 | 65.6 1.3 | 1447 | 36.8 0.1 | 0623 | 45.4 0.3 | 100 0 | 59 5 | 1.0 0.1 | 8.5 2.2 | 1510 | ESE | 122 | 0.01 | 5.15 | 0.060 0.002 | 269 20 | - |
| Sonoma East (Bundschu01) | 1/30/26 | 66.4 1.4 | 1434 | 35.0 0.2 | 0610 | 43.0 0.4 | 99 0 | 50 5 | 1.9 0.4 | 11.4 4.2 | 1344 | S | 170 | 0.00 | 11.78 | 0.067 0.002 | 282 23 | - |
| Schellville (Sasaki) | 1/20/26 | 53.6 10.2 | 1425 | 36.7 3.9 | 0123 | 42.3 2.2 | 97 1 | 75 26 | 1.3 0.0 | 7.1 1.7 | 0937 | NNE | 26 | 0.00 | 0.00 | - | - | 0 0 |
| Sonoma-SE (Napoli) | 1/30/26 | 67.0 0.7 | 1445 | 35.9 0.2 | 0501 | 43.0 0.5 | 97 0 | 51 1 | 1.0 0.1 | 10.5 2.7 | 1334 | SE | 140 | 0.00 | 11.05 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 1/30/26 | 65.7 0.2 | 1539 | 36.3 0.7 | 0507 | 44.0 1.6 | 98 0 | 51 1 | 3.1 0.9 | 13.2 5.6 | 1443 | ESE | 120 | 0.00 | 14.07 | 0.071 0.001 | 297 20 | - |
| Carneros (Ranch 71) | 1/30/26 | 64.3 0.4 | 1455 | 39.9 3.3 | 0641 | 46.8 0.3 | 100 4 | 52 3 | 3.2 1.6 | 13.3 6.4 | 0636 | NW | 312 | 0.00 | 12.09 | 0.067 0.001 | 280 18 | 0 0 |
| Carneros Upper (Ranch 81) | 1/30/26 | 67.4 3.5 | 1453 | 41.6 3.3 | 0618 | 44.9 0.9 | - | - | 3.2 0.4 | 12.6 4.1 | 1107 | W | 262 | - | - | - | - | - |
| Carneros Lower (Ranch 81) | 1/30/26 | 65.5 0.2 | 1436 | 39.5 1.5 | 0544 | 34.0 9.7 | 100 0 | 0 0 | 1.4 0.3 | 9.5 1.5 | 0644 | WNW | 300 | 0.00 | 12.89 | 0.048 0.000 | 178 12 | - |
| Rohnert Park-West (Stony Point) | 1/30/26 | 65.1 0.5 | 1442 | 34.6 0.4 | 0554 | 43.9 1.1 | 100 0 | 60 2 | 1.3 0.6 | 10.0 4.4 | 1456 | SE | 126 | 0.00 | 1.71 | - | - | - |
| Cartograph Wines Base | 1/30/26 | 63.7 2.5 | 1430 | 40.4 1.3 | 0730 | 48.4 0.8 | 100 0 | 66 8 | 2.2 0.7 | 11.9 5.7 | 1510 | ESE | 121 | 0.00 | 17.58 | 0.056 0.004 | 262 24 | - |
| Cartograph Wines Remote | 1/30/26 | 63.1 0.6 | 1336 | 35.8 0.1 | 0553 | - | - | - | - | - | - | - | - | - | - | - | - |
| Rice-Spivak Vineyard | 1/30/26 | 66.1 2.3 | 1419 | 32.2 0.2 | 0543 | - | - | - | - | - | - | - | - | - | - | - | - |
| Penngrove (Asellus) | 1/30/26 | 64.2 2.5 | 1407 | 35.6 0.0 | 0600 | 44.4 1.7 | 99 0 | 56 5 | 2.8 1.2 | 12.4 3.6 | 1529 | SSE | 153 | 0.00 | 15.60 | - | - | 0 0 |
| Petaluma (Ranch 10) | 1/30/26 | 66.9 1.5 | 1322 | 35.9 0.6 | 0352 | 44.4 1.7 | 100 0 | 55 7 | 1.2 0.5 | 8.7 2.9 | 1430 | SSE | 159 | 0.00 | 11.68 | 0.055 0.002 | 233 18 | 0 0 |
| Max | 69.7 | - | 45.1 | - | 48.4 | 100 | 66 | 3.2 | 13.3 | - | - | 0.01 | 21.27 | 0.071 | 300 | - | |
| Avg | - | - | - | - | 43.8 | - | - | 2.0 | - | - | - | - | - | - | - | - | |
| Min | 63.1 | - | 32.2 | - | 34.0 | 93 | 0 | 1.0 | 6.1 | - | - | 0.00 | 1.71 | 0.048 | 178 | - |