| 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) | 1/13/26 | 74.8 6.0 | 1510 | 49.4 1.8 | 0220 | 33.7 2.2 | 38 | 64 7 | 23 8 | 1.9 | 7.7 0.2 | 2355 | NNW | 339 | 0.00 | 28.82 | - | - | 0 0 |
| Rockpile Upper (Cooley) | 1/13/26 | 68.8 1.9 | 1355 | 54.5 7.0 | 0032 | 28.0 2.5 | 28 | 52 8 | 19 0 | 4.4 | 15.8 3.1 | 1739 | NNW | 335 | 0.00 | 29.56 | 0.112 0.016 | 302 7 | 0 0 |
| Cloverdale-East (Ranch 83) | 1/13/26 | 70.6 0.4 | 1524 | 33.2 0.4 | 0002 | 34.8 1.4 | - | - | - | 5.5 | 21.5 2.5 | 0853 | N | 354 | 0.00 | 25.01 | 0.077 0.010 | 251 5 | 0 0 |
| Cloverdale-SE (Ranch 38) | 1/13/26 | 71.1 1.1 | 1635 | 42.0 0.3 | 0401 | 40.1 1.3 | 64 | 90 1 | 32 2 | 6.1 | 23.4 4.8 | 0940 | N | 7 | 0.00 | 26.49 | 0.080 0.014 | 253 5 | 0 0 |
| Geyserville-North (Hoffman) | 1/13/26 | 71.1 6.0 | 1504 | 29.8 1.0 | 0726 | 38.7 1.4 | 81 | 97 0 | 35 4 | 1.3 | 6.7 0.5 | 1056 | NE | 50 | 0.00 | 25.50 | 0.058 0.002 | 244 5 | 0 0 |
| Geyserville (Ranch 3) | 1/13/26 | 69.0 4.6 | 1448 | 30.9 1.1 | 0738 | 38.8 1.0 | 83 | 100 0 | 35 2 | 1.2 | 5.5 2.5 | 1346 | WNW | 300 | 0.00 | 25.44 | 0.054 0.001 | 245 5 | 0 0 |
| Geyserville-East (Ranch 40) | 1/13/26 | 72.2 5.0 | 1429 | 40.2 0.8 | 0737 | 43.2 2.2 | 71 | 93 5 | 36 5 | 2.3 | 10.1 1.1 | 1603 | SSW | 201 | 0.00 | 25.86 | 0.066 0.001 | 271 6 | 0 0 |
| Geyserville-South (Nervo Station) | 1/13/26 | 68.1 3.2 | 1533 | 33.4 1.4 | 0647 | - | - | - | - | 0.9 | 5.8 0.3 | 1145 | E | 84 | 0.01 | 19.35 | - | - | 0 0 |
| Jimtown-North (Piccolo Ranch 15) | 1/13/26 | 74.6 5.1 | 1530 | 29.1 0.4 | 0603 | 37.3 1.4 | 82 | 100 0 | 30 3 | 0.7 | 3.9 0.7 | 0848 | ENE | 65 | 0.00 | 23.62 | 0.045 0.000 | 225 5 | 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) | 1/13/26 | 72.7 4.4 | 1549 | 28.2 0.2 | 0734 | 37.4 1.0 | 84 | 100 0 | 34 2 | 0.5 | 4.7 1.5 | 1247 | WNW | 282 | 0.00 | 22.79 | 0.048 0.001 | 229 6 | 0 0 |
| N Chalk Hill Rd (Ranch 63) | 1/13/26 | 68.5 3.4 | 1602 | 28.9 0.3 | 0721 | 37.6 1.2 | 83 | 100 0 | 40 0 | 0.7 | 4.2 0.8 | 1239 | WSW | 253 | 0.00 | 24.15 | 0.048 0.000 | 226 5 | - |
| Knights Valley (Bavarian Lion) | 1/13/26 | 72.3 4.2 | 1433 | 28.9 1.2 | 0541 | 36.6 1.6 | 84 | 98 0 | 36 2 | 1.6 | 7.0 0.2 | 0450 | ENE | 67 | 0.00 | 22.62 | 0.053 0.001 | 250 6 | - |
| Upper Dry Creek Valley | 1/13/26 | 69.2 3.7 | 1408 | 33.0 1.2 | 0648 | 39.7 1.3 | 83 | 99 0 | 39 1 | 0.8 | 4.2 3.1 | 1227 | SSE | 147 | 0.00 | 27.46 | 0.061 0.000 | 270 4 | - |
| Lower Dry Creek Valley | 1/13/26 | 69.8 3.7 | 1357 | 30.8 1.1 | 0748 | 39.2 1.1 | 83 | 100 0 | 38 1 | 1.2 | 7.2 0.8 | 1536 | N | 355 | 0.00 | 27.06 | 0.055 0.000 | 246 5 | 0 0 |
| Max | 74.8 | - | 54.5 | - | 43.2 | 84 | 100 | 40 | 6.1 | 23.4 | - | - | 0.01 | 29.56 | 0.112 | 302 | - | |
| Avg | - | - | - | - | 37.3 | 72 | - | - | 2.1 | - | - | - | - | - | - | - | - | |
| Min | 68.1 | - | 28.2 | - | 28.0 | 28 | 52 | 19 | 0.5 | 3.9 | - | - | 0.00 | 19.35 | 0.045 | 225 | - |
| 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) | 1/13/26 | 69.4 3.3 | 1648 | 31.4 1.3 | 0721 | - | - | 100 0 | 43 4 | 0.4 | 5.4 1.1 | 1112 | 0.00 | 19.43 | - | - | 0 |
| Windsor-NW (Ranch 8) | 1/13/26 | 71.3 3.2 | 1542 | 35.0 3.0 | 0700 | 41.4 2.1 | 78 | 90 2 | 46 1 | 0.7 | 6.2 0.9 | 2328 | 0.00 | 23.45 | 0.053 0.000 | 248 6 | - |
| Windsor-East (Ranch 16) | 1/13/26 | 70.1 3.3 | 1440 | 30.2 1.0 | 0722 | 39.0 1.6 | 84 | 100 0 | 39 2 | 0.6 | 5.1 0.4 | 1507 | 0.00 | 17.32 | 0.055 0.001 | 254 5 | 0 |
| Mark West-North (Ranch 14) | 1/13/26 | 67.9 2.5 | 1447 | 30.3 0.1 | 0710 | 38.6 1.4 | 81 | 98 0 | 38 1 | 0.5 | 4.8 0.4 | 1113 | 0.00 | 18.96 | 0.006 0.001 | 0 0 | 0 |
| Windsor-SE (Silk Rd) | 1/13/26 | 68.7 5.0 | 1447 | 29.3 0.3 | 0748 | 37.5 1.0 | 84 | 100 0 | 40 3 | 0.5 | 4.2 1.1 | 1300 | 0.00 | 15.29 | 0.054 0.001 | 263 5 | 0 |
| Fulton-NW (Ranch 5) | 1/13/26 | 64.8 2.5 | 1459 | 29.6 0.6 | 0728 | 23.7 8.6 | 65 | 100 0 | 3 0 | 0.6 | 4.7 1.1 | 1302 | 0.00 | 18.91 | 0.052 0.001 | 247 4 | 0 |
| Windsor-South (Laughlin Rd) | 1/13/26 | 69.7 3.9 | 1520 | 30.4 0.2 | 0657 | 19.3 4.4 | 62 | 100 0 | 0 0 | - | - | - | 0.00 | 18.80 | - | - | - |
| Fulton-SE (Barnes Rd) | 1/13/26 | 65.8 2.2 | 1603 | 30.0 0.5 | 0707 | 39.4 1.7 | 84 | 98 0 | 47 7 | 0.6 | 6.4 0.3 | 1219 | 0.00 | 18.16 | - | - | - |
| Fulton-SW (Ranch 21) | 1/13/26 | 65.4 3.2 | 1443 | 29.2 0.2 | 0751 | -4.0 0.9 | 44 | 100 0 | 0 0 | 1.2 | 5.9 0.7 | 1322 | 0.00 | 18.43 | 0.062 0.002 | 285 6 | - |
| Santa Rosa-NW (Goldfields) | 1/13/26 | 69.9 4.9 | 1449 | 30.1 0.1 | 0657 | 39.0 1.1 | 83 | 100 0 | 38 3 | 1.0 | 5.4 1.5 | 1307 | 0.00 | 19.41 | 0.050 0.000 | 238 3 | - |
| Goldfields Remote | 1/13/26 | 65.8 2.7 | 1442 | 30.4 0.4 | 0748 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| NW Santa Rosa (Piner Road) | 1/13/26 | 66.0 2.8 | 1514 | 29.4 0.5 | 0729 | 39.6 0.9 | 89 | 100 0 | 51 2 | 0.6 | 4.1 1.3 | 1135 | 0.00 | 16.65 | - | - | - |
| River Rd South (Denner Ranch) | 1/13/26 | 69.9 5.8 | 1544 | 29.9 0.7 | 0705 | 39.9 1.0 | 86 | 100 0 | 41 1 | 1.1 | 6.6 1.3 | 1104 | - | - | - | - | - |
| West Santa Rosa (LOV Vineyard) | 1/13/26 | 67.5 3.0 | 1435 | 30.2 0.8 | 0730 | 39.0 1.0 | 84 | 100 0 | 40 1 | 0.5 | 5.1 0.7 | 1029 | 0.05 | 14.31 | 0.005 0.002 | 0 0 | 0 |
| Guerneville Rd (Prokopakis) | 1/13/26 | 64.3 1.7 | 1514 | 31.3 1.1 | 0707 | 40.1 0.9 | 86 | 100 0 | 48 6 | - | - | - | 0.00 | 17.47 | - | - | - |
| Guerneville Rd West (Balletto) | 1/13/26 | 65.2 1.7 | 1518 | 30.4 0.9 | 0723 | 39.3 0.8 | 87 | 100 0 | 53 3 | 0.8 | 4.7 1.6 | 1155 | 0.00 | 17.41 | - | - | - |
| Sanchietti Ranch | 1/13/26 | 65.4 2.8 | 1642 | 31.3 1.1 | 0738 | 41.0 0.5 | - | 100 0 | 57 4 | 1.0 | 4.8 2.0 | 1443 | 0.00 | 18.31 | - | - | - |
| Occidental Rd (Sebastopol) | 1/13/26 | 65.7 2.2 | 1642 | 29.6 1.7 | 0745 | 43.5 0.7 | 98 | 100 0 | 74 5 | 0.8 | 6.6 0.7 | 1056 | 0.00 | 6.71 | - | - | - |
| Lower Westside Rd (Ranch 12) | 1/13/26 | 71.4 2.6 | 1438 | 33.5 1.3 | 0724 | 40.1 2.0 | 79 | 100 0 | 35 1 | 0.5 | 4.2 0.2 | 2305 | 0.00 | 22.83 | - | - | 0 |
| Guerneville (Laughlin Rd) | 1/13/26 | 61.9 0.7 | 1439 | 36.9 0.5 | 0755 | 43.3 1.0 | 93 | 99 0 | 64 1 | 0.6 | 3.1 0.4 | 1342 | 0.01 | 30.84 | - | - | - |
| Korbel (Winery) | 1/13/26 | 64.0 2.0 | 1527 | 38.4 1.0 | 0832 | 44.1 1.1 | 92 | 100 0 | 58 3 | 0.7 | 4.2 3.1 | 1309 | 0.01 | 28.37 | - | - | - |
| Forestville (Shone Farms) | 1/13/26 | 66.2 0.6 | 1507 | 33.0 0.3 | 0729 | 41.4 1.7 | 85 | 98 0 | 49 5 | 0.9 | 4.9 1.2 | 1450 | 0.01 | 24.14 | 0.055 0.001 | 252 9 | 0 |
| Forestville-NE (Ranch 30) | 1/13/26 | 66.9 1.0 | 1524 | 34.9 0.3 | 0614 | 43.0 1.5 | 89 | 100 0 | 52 7 | 0.7 | 4.7 1.7 | 1319 | 0.01 | 22.44 | 0.056 0.002 | 255 6 | - |
| Green Valley Vineyard | 1/13/26 | 66.1 2.4 | 1524 | 35.1 0.7 | 0605 | 41.9 1.4 | 85 | 99 0 | 45 2 | 1.6 | 5.5 0.2 | 0650 | 0.00 | 27.19 | 0.014 0.003 | 34 18 | - |
| Green Valley (Sanchietti) | 1/13/26 | 68.5 2.4 | 1535 | 31.8 1.2 | 0749 | - | - | - | - | - | - | - | - | - | - | - | - |
| Keefer Ranch (Green Valley) | 1/13/26 | 66.6 1.8 | 1533 | 31.1 1.7 | 0723 | 39.0 1.4 | 89 | 100 0 | 52 2 | - | - | - | 0.00 | 24.46 | - | - | - |
| Graton-South (Mill Station Rd) | 1/13/26 | 66.3 0.0 | 1400 | 30.6 0.5 | 0756 | 39.1 1.4 | 93 | 98 2 | 80 36 | 0.0 | 3.0 0.9 | 1656 | 0.01 | 21.64 | - | - | 0 |
| Occidental (Horseshoe Bend) | 1/13/26 | 68.4 4.4 | 1506 | 42.4 0.0 | 0613 | 43.0 1.5 | - | 96 6 | 45 2 | - | - | - | 0.03 | 15.63 | - | - | - |
| Sexton Valley (Jacqueline's Blk) | 1/13/26 | 65.5 1.0 | 1536 | 30.0 0.8 | 0738 | 39.2 0.9 | 88 | 100 0 | 51 1 | 0.7 | 5.6 0.2 | 1237 | 0.00 | 7.07 | - | - | - |
| Sebastopol Hills (Burnside Rd) | 1/13/26 | 64.9 2.2 | 1516 | 38.6 0.8 | 0641 | 44.3 0.4 | 82 | 99 0 | 50 4 | 0.6 | 5.8 0.1 | 0604 | 0.00 | 21.46 | - | - | - |
| Seaview/Fort Ross (Hirsch) | 1/13/26 | 72.1 5.4 | 1009 | 56.2 6.3 | 0001 | 32.3 3.2 | 34 | 55 14 | 14 0 | 1.9 | 6.2 2.3 | 1627 | 0.00 | 37.55 | 0.073 0.003 | 273 6 | - |
| Max | 72.1 | - | 56.2 | - | 44.3 | 98 | 100 | 80 | 1.9 | 6.6 | - | 0.05 | 37.55 | 0.073 | 285 | - | |
| Avg | - | - | - | - | 37.4 | 81 | - | - | 0.8 | - | - | - | - | - | - | - | |
| Min | 61.9 | - | 29.2 | - | -4.0 | 34 | 55 | 0 | 0.0 | 3.0 | - | 0.00 | 6.71 | 0.005 | 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 | 1/13/26 | 67.2 4.5 | 1606 | 42.4 1.4 | 0613 | 40.1 1.0 | 87 1 | 43 2 | 1.9 0.2 | 5.1 1.7 | 0530 | N | 4 | 0.00 | 5.41 | 0.070 0.003 | 303 7 | - |
| Lower Bennett Valley | 1/13/26 | 68.1 3.4 | 1529 | 28.4 0.2 | 0655 | 38.4 0.9 | 100 0 | 45 4 | 1.0 0.3 | 6.5 3.7 | 1033 | NNW | 330 | 0.00 | 17.51 | 0.057 0.002 | 262 6 | 0 0 |
| Kenwood (Wildwood) | 1/13/26 | 66.1 4.0 | 1434 | 31.8 0.1 | 0742 | 40.0 1.2 | 100 0 | 46 3 | 2.1 0.3 | 8.3 0.7 | 1101 | S | 181 | 0.00 | 21.09 | 0.052 0.001 | 232 1 | - |
| Sonoma Valley (Bedrock) | 1/13/26 | 64.8 4.5 | 1421 | 30.3 0.5 | 0605 | 38.8 1.4 | 98 0 | 44 5 | - | - | - | - | 0.01 | 9.25 | - | - | - |
| Sonoma-West (Arnold) | 1/13/26 | 67.4 4.0 | 1609 | 32.0 0.4 | 0446 | 39.9 1.2 | 100 0 | 42 8 | 1.3 0.3 | 6.1 1.3 | 1057 | S | 174 | 0.00 | 14.29 | 0.069 0.001 | 306 5 | - |
| Sonoma Valley HS | 1/13/26 | 65.8 4.1 | 1553 | 31.0 0.1 | 0739 | 41.0 0.9 | 100 0 | 53 6 | 0.6 0.2 | 7.4 0.5 | 1213 | SE | 145 | 0.02 | 5.05 | 0.056 0.002 | 267 6 | - |
| Sonoma East (Bundschu01) | 1/13/26 | 67.5 4.7 | 1504 | 30.6 1.0 | 0733 | 38.8 1.0 | 98 0 | 43 7 | 1.3 0.2 | 7.2 2.4 | 1317 | SSW | 197 | 0.00 | 11.63 | 0.064 0.001 | 288 5 | - |
| Schellville (Sasaki) | 1/13/26 | 67.5 4.2 | 1518 | 29.8 2.1 | 0659 | 39.0 2.4 | 97 0 | 44 5 | 0.7 0.7 | 7.1 0.7 | 1300 | NNE | 32 | 0.00 | 0.00 | - | - | 0 0 |
| Sonoma-SE (Napoli) | 1/13/26 | 68.7 4.2 | 1553 | 31.4 0.6 | 0649 | 39.2 1.1 | 97 1 | 42 3 | 0.5 0.3 | 7.8 1.0 | 1134 | SE | 143 | 0.00 | 10.94 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 1/13/26 | 66.4 3.2 | 1520 | 30.4 0.0 | 0704 | 39.3 1.3 | 98 0 | 48 2 | 2.3 0.0 | 10.3 0.8 | 1150 | ESE | 118 | 0.00 | 13.94 | 0.068 0.002 | 295 4 | - |
| Carneros (Ranch 71) | 1/13/26 | 64.3 2.6 | 1606 | 41.1 0.9 | 0449 | 43.4 2.0 | 91 6 | 48 1 | 2.0 0.3 | 9.8 1.7 | 1728 | E | 96 | 0.00 | 11.98 | 0.061 0.002 | 276 4 | 0 0 |
| Carneros Upper (Ranch 81) | 1/13/26 | 64.8 1.2 | 1413 | 41.5 0.9 | 0409 | 43.0 2.0 | - | - | 2.6 0.0 | 10.4 1.8 | 1121 | SE | 134 | - | - | - | - | - |
| Carneros Lower (Ranch 81) | 1/13/26 | 66.0 3.9 | 1355 | 32.4 0.2 | 0742 | 29.4 2.5 | 100 0 | 0 0 | 1.6 0.3 | 9.1 0.0 | 1127 | S | 170 | 0.00 | 12.79 | 0.045 0.004 | 173 8 | - |
| Rohnert Park-West (Stony Point) | 1/13/26 | 66.5 4.6 | 1533 | 31.2 0.2 | 0741 | 38.9 0.8 | 100 0 | 50 10 | 0.5 0.2 | 5.6 1.6 | 1127 | ENE | 78 | 0.00 | 1.57 | - | - | - |
| Cartograph Wines Base | 1/13/26 | 64.7 3.4 | 1549 | 38.1 2.0 | 0733 | 44.8 1.3 | 100 0 | 50 13 | 1.2 0.1 | 7.8 0.4 | 1218 | NE | 56 | 0.00 | 17.42 | 0.051 0.001 | 259 6 | - |
| Cartograph Wines Remote | 1/13/26 | 61.2 2.3 | 1304 | 31.4 0.2 | 0722 | - | - | - | - | - | - | - | - | - | - | - | - |
| Rice-Spivak Vineyard | 1/13/26 | 67.3 4.1 | 1532 | 27.2 2.1 | 0713 | - | - | - | - | - | - | - | - | - | - | - | - |
| Penngrove (Asellus) | 1/13/26 | 67.9 6.0 | 1506 | 30.4 1.1 | 0608 | 39.2 1.8 | 98 0 | 46 7 | 1.5 0.1 | 6.3 4.1 | 1617 | SE | 141 | 0.00 | 15.11 | - | - | 0 0 |
| Roger's Creek (Ranch 50) | 1/13/26 | 64.2 4.3 | 1602 | 43.9 0.1 | 0642 | 43.1 2.3 | 85 5 | 51 3 | 3.0 0.2 | 11.6 1.5 | 1112 | ENE | 74 | 0.00 | 14.80 | 0.056 0.001 | 262 5 | 0 0 |
| Petaluma (Ranch 10) | 1/13/26 | 65.9 3.0 | 1445 | 29.7 0.7 | 0707 | 38.6 1.7 | 100 0 | 49 1 | 0.8 0.1 | 6.7 0.4 | 1238 | SSE | 149 | 0.00 | 11.56 | 0.050 0.003 | 216 5 | 0 0 |
| Max | 68.7 | - | 43.9 | - | 44.8 | 100 | 53 | 3.0 | 11.6 | - | - | 0.02 | 21.09 | 0.070 | 306 | - | |
| Avg | - | - | - | - | 39.7 | - | - | 1.5 | - | - | - | - | - | - | - | - | |
| Min | 61.2 | - | 27.2 | - | 29.4 | 85 | 0 | 0.5 | 5.1 | - | - | 0.00 | 0.00 | 0.045 | 173 | - |