| 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) | 1/22/26 | 70.2 3.9 | 1405 | 46.8 0.5 | 0518 | 44.0 3.8 | 67 | 90 4 | 36 6 | 2.1 | 8.6 0.1 | 0159 | NW | 308 | 0.00 | 28.82 | - | - | 0 0 |
| Rockpile Upper (Cooley) | 1/22/26 | 66.4 3.4 | 1411 | 46.3 3.3 | 0021 | 40.8 6.9 | 61 | 87 12 | 38 10 | 5.0 | 18.4 1.8 | 0224 | NW | 323 | 0.00 | 29.56 | 0.087 0.018 | 287 113 | 0 0 |
| Cloverdale-East (Ranch 83) | 1/22/26 | 73.0 5.8 | 1424 | 37.3 3.1 | 2322 | 40.7 33.9 | - | - | - | 3.3 | 16.3 3.6 | 0908 | NNW | 341 | 0.00 | 25.01 | 0.070 0.024 | 250 95 | 0 0 |
| Cloverdale-SE (Ranch 38) | 1/22/26 | 70.9 4.7 | 1358 | 44.9 1.3 | 2355 | 45.7 1.2 | 75 | 96 2 | 39 4 | 4.0 | 14.7 1.0 | 1002 | N | 9 | 0.00 | 26.49 | 0.073 0.026 | 255 94 | 0 0 |
| Geyserville-North (Hoffman) | 1/22/26 | 68.4 4.2 | 1350 | 40.4 0.0 | 2218 | 45.2 0.2 | 80 | 97 0 | 40 6 | 1.9 | 8.6 2.9 | 1355 | SE | 142 | 0.00 | 25.50 | 0.065 0.026 | 244 97 | 0 0 |
| Geyserville (Ranch 3) | 1/22/26 | 67.7 4.3 | 1342 | 40.7 0.4 | 2226 | 45.5 0.1 | 82 | 100 0 | 40 11 | 2.2 | 10.0 5.5 | 1444 | ESE | 106 | 0.00 | 25.44 | 0.063 0.024 | 248 86 | 0 0 |
| Geyserville-East (Ranch 40) | 1/22/26 | 67.9 3.3 | 1318 | 44.8 3.2 | 0001 | 46.6 0.4 | 78 | 99 1 | 46 8 | 4.6 | 16.4 0.9 | 1444 | SSW | 194 | 0.00 | 25.86 | 0.077 0.033 | 275 91 | 0 0 |
| Geyserville-South (Nervo Station) | 1/22/26 | 67.6 5.8 | 1202 | 43.4 1.3 | 0738 | - | - | - | - | 1.8 | 9.5 0.3 | 0156 | WNW | 289 | 0.00 | 19.39 | - | - | 0 0 |
| Jimtown-North (Piccolo Ranch 15) | 1/22/26 | 69.3 5.2 | 1413 | 38.9 1.3 | 0624 | 43.6 1.1 | 79 | 100 0 | 40 9 | 1.1 | 7.7 0.7 | 1610 | SSW | 198 | 0.00 | 23.63 | 0.055 0.021 | 231 80 | 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) | 1/22/26 | 69.3 4.3 | 1457 | 39.0 0.0 | 0736 | 44.1 0.8 | 82 | 100 0 | 42 9 | 1.4 | 8.6 1.6 | 1537 | SW | 230 | 0.00 | 22.79 | 0.060 0.025 | 233 92 | 0 0 |
| N Chalk Hill Rd (Ranch 63) | 1/22/26 | 67.2 4.6 | 1405 | 39.2 0.7 | 0651 | 43.7 0.3 | 81 | 100 0 | 45 9 | 1.5 | 9.6 1.8 | 1428 | S | 170 | 0.00 | 24.15 | 0.059 0.025 | 228 80 | - |
| Knights Valley (Bavarian Lion) | 1/22/26 | 69.4 6.3 | 1536 | 36.8 1.9 | 2333 | 42.7 1.1 | 80 | 98 0 | 36 14 | 1.8 | 7.8 1.2 | 1322 | WNW | 296 | 0.00 | 22.63 | 0.062 0.021 | 252 79 | - |
| Upper Dry Creek Valley | 1/22/26 | 68.4 3.7 | 1353 | 41.0 0.2 | 0650 | 45.5 0.5 | 80 | 98 0 | 44 3 | 1.7 | 12.1 2.0 | 1456 | SE | 137 | 0.00 | 27.46 | 0.069 0.028 | 267 99 | - |
| Lower Dry Creek Valley | 1/22/26 | 69.4 3.7 | 1152 | 41.1 0.4 | 0617 | 46.3 0.9 | 82 | 100 0 | 43 3 | 2.6 | 10.7 0.9 | 1517 | SE | 146 | 0.00 | 27.06 | 0.066 0.027 | 251 89 | 0 0 |
| Max | 73.0 | - | 46.8 | - | 46.6 | 82 | 100 | 46 | 5.0 | 18.4 | - | - | 0.00 | 29.56 | 0.087 | 287 | - | |
| Avg | - | - | - | - | 44.2 | 77 | - | - | 2.5 | - | - | - | - | - | - | - | - | |
| Min | 66.4 | - | 36.8 | - | 40.7 | 61 | 87 | 36 | 1.1 | 7.7 | - | - | 0.00 | 19.39 | 0.055 | 228 | - |
| 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) | 1/22/26 | 67.9 4.8 | 1405 | 41.8 0.7 | 0543 | - | - | 100 0 | 47 4 | 1.6 | 9.9 0.6 | 1546 | 0.00 | 19.43 | - | - | 0 |
| Windsor-NW (Ranch 8) | 1/22/26 | 68.2 5.1 | 1406 | 44.0 2.2 | 0505 | 45.8 1.7 | 78 | 86 4 | 55 7 | 0.3 | 8.0 0.5 | 1752 | 0.00 | 23.45 | 0.057 0.021 | 251 89 | - |
| Windsor-East (Ranch 16) | 1/22/26 | 66.4 4.4 | 1431 | 41.0 0.8 | 0509 | 45.8 0.8 | 82 | 100 0 | 47 12 | 2.4 | 8.9 0.3 | 1529 | 0.00 | 17.32 | 0.066 0.029 | 260 99 | 0 |
| Mark West-North (Ranch 14) | 1/22/26 | 66.2 5.6 | 1420 | 41.9 1.1 | 0508 | 45.8 1.5 | 81 | 97 1 | 46 12 | 1.5 | 10.0 3.2 | 1429 | 0.00 | 18.96 | 0.014 0.008 | 0 0 | 0 |
| Windsor-SE (Silk Rd) | 1/22/26 | 65.7 5.5 | 1406 | 39.2 0.9 | 0537 | 45.3 0.7 | 84 | 99 1 | 48 11 | 1.9 | 9.0 1.6 | 1524 | 0.00 | 15.30 | 0.065 0.032 | 263 114 | 0 |
| Fulton-NW (Ranch 5) | 1/22/26 | 64.4 5.3 | 1423 | 42.5 3.7 | 0442 | 44.2 34.3 | 82 | 100 0 | 3 0 | 2.4 | 10.4 1.8 | 1529 | 0.00 | 18.91 | 0.061 0.018 | 237 86 | 0 |
| Windsor-South (Laughlin Rd) | 1/22/26 | 65.7 5.7 | 1451 | 41.6 1.2 | 0521 | 42.2 44.8 | 79 | 100 0 | 0 0 | - | - | - | 0.00 | 18.83 | - | - | - |
| Fulton-SE (Barnes Rd) | 1/22/26 | 65.2 6.3 | 1351 | 41.4 1.5 | 0518 | 46.3 2.0 | 83 | 98 0 | 51 12 | 1.2 | 9.4 1.7 | 1525 | 0.00 | 18.16 | - | - | - |
| Fulton-SW (Ranch 21) | 1/22/26 | 64.8 6.1 | 1303 | 41.4 2.6 | 0500 | 11.6 24.2 | 55 | 100 0 | 0 0 | 2.7 | 10.4 1.2 | 1233 | 0.00 | 18.44 | 0.066 0.022 | 244 97 | - |
| Santa Rosa-NW (Goldfields) | 1/22/26 | 65.6 5.5 | 1347 | 42.0 2.3 | 0511 | 46.4 1.8 | 84 | 100 0 | 49 13 | 2.7 | 11.5 2.3 | 1617 | 0.00 | 19.41 | 0.058 0.025 | 223 84 | - |
| Goldfields Remote | 1/22/26 | 65.7 5.6 | 1255 | 41.0 3.4 | 0505 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| NW Santa Rosa (Piner Road) | 1/22/26 | 64.3 6.7 | 1447 | 40.3 1.1 | 0519 | 47.2 1.9 | 90 | 100 0 | 57 16 | 1.7 | 10.6 2.2 | 1616 | 0.00 | 16.67 | - | - | - |
| River Rd South (Denner Ranch) | 1/22/26 | 64.7 4.5 | 1458 | 40.7 0.7 | 0728 | 46.6 1.4 | 89 | 100 0 | 56 7 | 3.2 | 11.8 0.7 | 1253 | - | - | - | - | - |
| West Santa Rosa (LOV Vineyard) | 1/22/26 | 65.4 5.4 | 1507 | 41.0 0.9 | 0518 | 45.7 1.2 | 85 | 100 0 | 48 14 | 1.7 | 11.0 2.2 | 1618 | 0.02 | 14.59 | 0.014 0.009 | 0 0 | 0 |
| Guerneville Rd (Prokopakis) | 1/22/26 | 65.2 6.1 | 1515 | 41.5 0.6 | 0524 | 46.2 1.2 | 86 | 100 0 | 53 12 | - | - | - | 0.00 | 17.50 | - | - | - |
| Guerneville Rd West (Balletto) | 1/22/26 | 64.7 6.5 | 1509 | 41.3 0.6 | 0510 | 46.5 1.3 | 88 | 100 0 | 57 15 | 2.3 | 11.0 2.5 | 1610 | 0.00 | 17.42 | - | - | - |
| Sanchietti Ranch | 1/22/26 | 64.6 7.2 | 1305 | 42.1 0.5 | 0748 | 47.6 1.5 | - | 100 0 | 64 14 | 2.5 | 9.9 1.3 | 1413 | 0.00 | 18.32 | - | - | - |
| Occidental Rd (Sebastopol) | 1/22/26 | 66.3 8.3 | 1454 | 40.1 0.1 | 0639 | 49.7 3.0 | 100 | 100 0 | 97 3 | 2.0 | 11.4 5.0 | 1600 | 0.01 | 6.76 | - | - | - |
| Lower Westside Rd (Ranch 12) | 1/22/26 | 70.0 4.9 | 1358 | 42.9 0.9 | 0543 | 45.9 0.9 | 79 | 97 3 | 43 5 | 1.1 | 7.7 0.7 | 1421 | 0.00 | 22.83 | - | - | 0 |
| Guerneville (Laughlin Rd) | 1/22/26 | 66.3 2.3 | 1404 | 43.8 0.2 | 2006 | 47.1 0.3 | 88 | 98 0 | 51 6 | 1.0 | 10.2 2.7 | 1559 | 0.00 | 30.91 | - | - | - |
| Korbel (Winery) | 1/22/26 | 67.4 4.0 | 1410 | 44.6 0.8 | 0800 | 47.2 0.4 | 86 | 100 0 | 50 4 | 0.9 | 10.4 3.4 | 1645 | 0.00 | 28.43 | - | - | - |
| Forestville (Shone Farms) | 1/22/26 | 66.4 5.4 | 1508 | 40.8 1.0 | 0716 | 46.7 1.9 | 84 | 98 1 | 55 7 | 1.8 | 10.8 3.1 | 1431 | 0.00 | 24.18 | 0.062 0.025 | 253 98 | 0 |
| Forestville-NE (Ranch 30) | 1/22/26 | 66.9 4.2 | 1244 | 40.1 0.7 | 0633 | 47.2 1.8 | 88 | 100 0 | 59 2 | 1.9 | 10.5 1.7 | 1321 | 0.00 | 22.50 | 0.064 0.028 | 266 108 | - |
| Green Valley Vineyard | 1/22/26 | 65.1 4.8 | 1418 | 42.2 2.2 | 0647 | 46.5 1.8 | 85 | 98 0 | 56 1 | 2.0 | 9.9 1.1 | 1228 | 0.00 | 27.24 | 0.012 0.007 | 0 0 | - |
| Green Valley (Sanchietti) | 1/22/26 | 67.2 4.1 | 1404 | 39.7 0.3 | 0640 | - | - | - | - | - | - | - | - | - | - | - | - |
| Keefer Ranch (Green Valley) | 1/22/26 | 64.8 4.8 | 1452 | 39.3 0.0 | 0554 | 45.9 1.1 | 88 | 99 1 | 64 0 | - | - | - | 0.00 | 24.46 | - | - | - |
| Graton-South (Mill Station Rd) | 1/22/26 | 63.4 2.9 | 1407 | 38.9 1.1 | 0609 | 45.4 0.9 | 87 | 100 0 | 54 8 | 0.6 | 7.5 3.4 | 1513 | 0.00 | 21.65 | - | - | 0 |
| Occidental (Horseshoe Bend) | 1/22/26 | 61.2 0.3 | 1457 | 43.9 1.6 | 2316 | 46.5 1.0 | - | 100 8 | 59 1 | - | - | - | 0.01 | 16.08 | - | - | - |
| Sexton Valley (Jacqueline's Blk) | 1/22/26 | 62.5 3.0 | 1238 | 38.2 1.3 | 0625 | 45.9 1.0 | 89 | 100 0 | 61 6 | 1.2 | 9.3 1.8 | 1219 | 0.00 | 7.09 | - | - | - |
| Sebastopol Hills (Burnside Rd) | 1/22/26 | 60.4 1.0 | 1427 | 44.8 2.2 | 0547 | 48.0 2.0 | 90 | 100 0 | 65 4 | 2.3 | 12.3 5.6 | 1641 | 0.00 | 21.46 | - | - | - |
| Seaview/Fort Ross (Hirsch) | 1/22/26 | 64.6 2.6 | 1402 | 46.5 3.3 | 1906 | 41.1 0.7 | 62 | 95 12 | 38 1 | 1.9 | 9.4 0.9 | 1457 | 0.00 | 37.55 | 0.065 0.018 | 268 106 | - |
| Max | 70.0 | - | 46.5 | - | 49.7 | 100 | 100 | 97 | 3.2 | 12.3 | - | 0.02 | 37.55 | 0.066 | 268 | - | |
| Avg | - | - | - | - | 44.9 | 84 | - | - | 1.8 | - | - | - | - | - | - | - | |
| Min | 60.4 | - | 38.2 | - | 11.6 | 55 | 86 | 0 | 0.3 | 7.5 | - | 0.00 | 6.76 | 0.012 | 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 | 1/22/26 | 63.8 2.9 | 0956 | 40.8 3.1 | 2342 | 43.5 0.5 | 98 4 | 46 11 | 1.8 0.1 | 8.9 0.1 | 1309 | SW | 233 | 0.00 | 5.41 | 0.071 0.030 | 301 123 | - |
| Lower Bennett Valley | 1/22/26 | 67.3 7.5 | 1332 | 38.1 0.2 | 0530 | 45.6 0.7 | 100 0 | 47 21 | 2.2 0.3 | 9.3 0.2 | 1401 | S | 191 | 0.00 | 17.51 | 0.068 0.033 | 277 123 | 0 0 |
| Kenwood (Wildwood) | 1/22/26 | 67.6 9.1 | 1346 | 41.4 1.8 | 2203 | 45.3 0.9 | 100 0 | 46 20 | 2.9 0.6 | 8.3 4.6 | 1037 | S | 176 | 0.00 | 21.09 | 0.060 0.027 | 241 82 | - |
| Sonoma Valley (Bedrock) | 1/22/26 | 66.2 8.8 | 1435 | 40.6 2.3 | 2222 | 44.0 1.4 | 97 1 | 45 20 | - | - | - | - | 0.00 | 17.00 | - | - | - |
| Sonoma-West (Arnold) | 1/22/26 | 68.1 11.2 | 1509 | 37.4 1.3 | 2344 | 44.6 1.0 | 100 0 | 49 17 | 2.0 0.3 | 10.8 1.9 | 1344 | SE | 143 | 0.00 | 14.29 | 0.074 0.042 | 303 141 | - |
| Sonoma Valley HS | 1/22/26 | 65.4 11.0 | 1425 | 40.2 0.4 | 2357 | 47.0 2.2 | 100 0 | 59 18 | 1.4 0.0 | 6.5 0.6 | 1612 | S | 170 | 0.01 | 5.11 | 0.060 0.032 | 266 123 | - |
| Sonoma East (Bundschu01) | 1/22/26 | 66.0 11.3 | 1407 | 37.5 1.7 | 2341 | 44.4 1.1 | 97 1 | 50 23 | 2.3 0.1 | 10.5 2.0 | 1421 | SSE | 154 | 0.00 | 11.65 | 0.070 0.040 | 295 146 | - |
| 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) | 1/22/26 | 67.1 11.1 | 1358 | 39.5 0.5 | 2359 | 44.7 1.3 | 96 1 | 48 23 | 1.2 0.2 | 9.5 2.3 | 1424 | SSE | 160 | 0.00 | 10.96 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 1/22/26 | 66.5 10.7 | 1342 | 39.9 1.5 | 0746 | 45.3 2.2 | 98 0 | 47 22 | 3.5 1.2 | 11.4 2.1 | 2035 | NW | 304 | 0.00 | 13.95 | 0.074 0.044 | 308 158 | - |
| Carneros (Ranch 71) | 1/22/26 | 66.6 13.1 | 1333 | 44.1 2.0 | 2339 | 45.8 1.0 | 97 3 | 47 28 | 3.1 0.9 | 11.4 0.0 | 0120 | E | 98 | 0.00 | 11.98 | 0.066 0.039 | 286 149 | 0 0 |
| Carneros Upper (Ranch 81) | 1/22/26 | 64.3 8.4 | 1314 | 44.8 2.8 | 2347 | 44.2 29.3 | - | - | 4.7 1.7 | 16.2 4.6 | 2023 | W | 263 | - | - | - | - | - |
| Carneros Lower (Ranch 81) | 1/22/26 | 65.8 11.0 | 1256 | 41.0 0.8 | 0757 | 45.6 53.9 | 100 0 | 48 47 | 2.0 0.6 | 9.3 1.7 | 1429 | SSE | 168 | 0.00 | 12.79 | 0.049 0.018 | 180 84 | - |
| Rohnert Park-West (Stony Point) | 1/22/26 | 63.0 7.4 | 1241 | 40.8 2.4 | 0752 | 47.3 3.0 | 100 0 | 64 11 | 1.9 0.5 | 10.9 1.5 | 1647 | SW | 226 | 0.00 | 1.58 | - | - | - |
| Cartograph Wines Base | 1/22/26 | 60.6 5.0 | 1152 | 45.0 3.7 | 0440 | 48.9 3.1 | 98 2 | 72 4 | 3.2 1.2 | 17.0 5.2 | 1626 | SW | 225 | 0.00 | 17.42 | 0.056 0.022 | 268 102 | - |
| Cartograph Wines Remote | 1/22/26 | 63.9 6.6 | 1127 | 39.0 0.2 | 0619 | - | - | - | - | - | - | - | - | - | - | - | - |
| Rice-Spivak Vineyard | 1/22/26 | 62.6 5.1 | 1220 | 36.7 0.1 | 0547 | - | - | - | - | - | - | - | - | - | - | - | - |
| Penngrove (Asellus) | 1/22/26 | 65.4 9.2 | 1506 | 41.9 3.1 | 1924 | 46.3 2.6 | 98 0 | 53 18 | 2.3 0.6 | 11.1 0.5 | 0805 | NW | 309 | 0.00 | 15.11 | - | - | 0 0 |
| Roger's Creek (Ranch 50) | 1/22/26 | 66.6 12.0 | 1450 | 44.5 0.9 | 0738 | 47.4 3.1 | 99 1 | 47 27 | 1.0 2.4 | 7.1 6.1 | 0101 | NW | 319 | 0.00 | 14.80 | 0.023 0.006 | 160 14 | 0 0 |
| Petaluma (Ranch 10) | 1/22/26 | 70.1 13.0 | 1602 | 41.4 1.6 | 0737 | 46.3 2.3 | 100 0 | 46 23 | 1.6 0.5 | 12.3 5.0 | 1710 | WNW | 290 | 0.00 | 11.56 | 0.057 0.030 | 224 98 | 0 0 |
| Max | 70.1 | - | 45.0 | - | 48.9 | 100 | 72 | 4.7 | 17.0 | - | - | 0.01 | 21.09 | 0.074 | 308 | - | |
| Avg | - | - | - | - | 45.7 | - | - | 2.3 | - | - | - | - | - | - | - | - | |
| Min | 60.6 | - | 36.7 | - | 43.5 | 96 | 45 | 1.0 | 6.5 | - | - | 0.00 | 1.58 | 0.023 | 160 | - |