| 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) | 1/25/26 | 56.0 12.9 | 0007 | 41.1 7.6 | 2238 | 22.6 4.2 | 43 | 89 14 | 11 5 | 1.8 | 7.8 9.4 | 0049 | NNW | 343 | 0.00 | 28.82 | - | - | 0 0 |
| Rockpile Upper (Cooley) | 1/25/26 | 55.2 8.6 | 0007 | 39.0 9.6 | 2136 | 17.6 2.4 | 37 | 93 34 | 9 3 | 4.1 | 12.3 10.7 | 2103 | SE | 129 | 0.00 | 29.56 | 0.061 0.069 | 145 191 | 0 0 |
| Cloverdale-East (Ranch 83) | 1/25/26 | 52.0 21.0 | 1345 | 30.2 6.2 | 2347 | 29.6 0.9 | - | - | - | 3.2 | 18.4 2.6 | 0333 | N | 353 | 0.00 | 25.01 | 0.040 0.046 | 141 147 | 0 0 |
| Cloverdale-SE (Ranch 38) | 1/25/26 | 52.0 22.2 | 1345 | 34.1 6.2 | 0725 | 29.7 0.7 | 58 | 88 11 | 26 18 | 3.8 | 16.7 11.8 | 0138 | N | 0 | 0.00 | 26.49 | 0.045 0.052 | 133 154 | 0 0 |
| Geyserville-North (Hoffman) | 1/25/26 | 50.3 20.9 | 1511 | 27.2 7.8 | 0502 | 31.3 1.2 | 78 | 95 3 | 54 45 | 1.3 | 6.4 11.9 | 1254 | SE | 142 | 0.00 | 25.50 | 0.028 0.067 | 110 167 | 0 0 |
| Geyserville (Ranch 3) | 1/25/26 | 50.0 20.4 | 1458 | 28.8 7.2 | 0450 | 32.4 2.2 | 81 | 100 0 | 52 44 | 1.5 | 7.0 12.2 | 1310 | E | 100 | 0.00 | 25.44 | 0.028 0.066 | 121 159 | 0 0 |
| Geyserville-East (Ranch 40) | 1/25/26 | 50.7 19.8 | 0120 | 37.1 2.0 | 0822 | 31.3 2.1 | 63 | 93 7 | 28 17 | 2.4 | 8.7 17.0 | 1230 | SSW | 199 | 0.00 | 25.87 | 0.034 0.076 | 136 169 | 0 0 |
| Geyserville-South (Nervo Station) | 1/25/26 | 50.0 22.2 | 1408 | 34.0 3.8 | 0759 | - | - | - | - | 0.9 | 5.8 5.4 | 0121 | WNW | 299 | 0.00 | 19.40 | - | - | 0 0 |
| Jimtown-North (Piccolo Ranch 15) | 1/25/26 | 51.8 19.8 | 1408 | 27.5 5.2 | 0506 | 31.2 0.5 | 79 | 100 0 | 53 43 | 0.9 | 5.5 17.1 | 0001 | NNE | 28 | 0.00 | 23.64 | 0.025 0.070 | 125 136 | 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) | 1/25/26 | 52.6 19.8 | 1423 | 27.3 5.4 | 0553 | 32.2 0.5 | 83 | 97 3 | 52 43 | 0.8 | 5.5 15.1 | 1040 | W | 278 | 0.00 | 22.79 | 0.025 0.071 | 113 150 | 0 0 |
| N Chalk Hill Rd (Ranch 63) | 1/25/26 | 51.8 18.9 | 1506 | 27.2 4.8 | 0536 | 31.8 0.4 | 82 | 100 0 | 52 44 | 0.7 | 4.6 19.2 | 0103 | ENE | 71 | 0.00 | 24.16 | 0.024 0.060 | 124 134 | - |
| Knights Valley (Bavarian Lion) | 1/25/26 | 54.2 15.1 | 0021 | 29.7 8.0 | 0643 | 31.4 11.7 | 72 | 97 1 | 15 9 | 2.1 | 11.6 10.8 | 0311 | E | 94 | 0.00 | 22.64 | 0.033 0.085 | 148 135 | - |
| Upper Dry Creek Valley | 1/25/26 | 51.4 21.4 | 1457 | 28.3 6.9 | 0507 | 31.6 0.9 | 78 | 97 2 | 47 42 | 1.0 | 7.4 9.8 | 1301 | ESE | 115 | 0.00 | 27.46 | 0.029 0.058 | 126 180 | - |
| Lower Dry Creek Valley | 1/25/26 | 52.0 22.9 | 1449 | 28.2 3.4 | 0603 | 32.7 1.7 | 84 | 100 0 | 48 40 | 1.2 | 4.9 4.2 | 0008 | NNW | 346 | 0.00 | 27.06 | 0.029 0.037 | 134 146 | 0 0 |
| Max | 56.0 | - | 41.1 | - | 32.7 | 84 | 100 | 54 | 4.1 | 18.4 | - | - | 0.00 | 29.56 | 0.061 | 148 | - | |
| Avg | - | - | - | - | 29.7 | 70 | - | - | 1.8 | - | - | - | - | - | - | - | - | |
| Min | 50.0 | - | 27.2 | - | 17.6 | 37 | 88 | 9 | 0.7 | 4.6 | - | - | 0.00 | 19.40 | 0.024 | 110 | - |
| 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) | 1/25/26 | 52.8 20.0 | 1539 | 29.3 5.0 | 0539 | - | - | 100 0 | 44 34 | 0.2 | 4.3 17.3 | 0140 | 0.00 | 19.43 | - | - | 0 |
| Windsor-NW (Ranch 8) | 1/25/26 | 54.3 22.7 | 1414 | 32.6 7.1 | 0602 | 35.8 1.6 | 80 | 88 5 | 54 40 | 1.0 | 5.6 11.8 | 1459 | 0.00 | 23.46 | 0.028 0.067 | 139 146 | - |
| Windsor-East (Ranch 16) | 1/25/26 | 53.1 19.5 | 1528 | 28.3 6.9 | 0519 | 35.0 4.9 | 86 | 100 0 | 61 53 | 1.0 | 6.2 10.1 | 1010 | 0.00 | 17.32 | 0.026 0.065 | 128 171 | 0 |
| Mark West-North (Ranch 14) | 1/25/26 | 53.3 18.4 | 1521 | 29.8 6.5 | 0444 | 35.2 3.6 | 84 | 98 1 | 60 51 | 0.5 | 6.3 7.9 | 1644 | 0.00 | 18.96 | 0.003 0.032 | 0 0 | 0 |
| Windsor-SE (Silk Rd) | 1/25/26 | 53.3 16.7 | 1538 | 28.5 4.6 | 0506 | 35.6 3.3 | 87 | 98 2 | 60 51 | 0.8 | 5.3 12.1 | 1641 | 0.00 | 15.31 | 0.028 0.066 | 133 163 | 0 |
| Fulton-NW (Ranch 5) | 1/25/26 | 53.3 17.5 | 1522 | 29.2 8.2 | 0526 | 25.1 26.5 | 73 | 100 0 | 3 0 | 1.1 | 6.0 6.7 | 1710 | 0.00 | 18.92 | 0.033 0.060 | 135 136 | 0 |
| Windsor-South (Laughlin Rd) | 1/25/26 | 53.5 18.6 | 1429 | 31.4 7.5 | 0427 | 37.0 49.6 | 85 | 94 3 | 63 63 | - | - | - | 0.00 | 18.84 | - | - | - |
| Fulton-SE (Barnes Rd) | 1/25/26 | 53.2 17.1 | 1516 | 29.5 7.6 | 0609 | 36.1 0.5 | 86 | 97 1 | 66 54 | 0.6 | 9.2 3.5 | 1710 | 0.00 | 18.16 | - | - | - |
| Fulton-SW (Ranch 21) | 1/25/26 | 52.7 18.0 | 1527 | 30.7 6.3 | 0533 | 19.4 35.0 | 72 | 100 0 | 0 0 | 1.7 | 7.9 7.4 | 1705 | 0.00 | 18.44 | 0.034 0.058 | 139 149 | - |
| Santa Rosa-NW (Goldfields) | 1/25/26 | 53.7 20.6 | 1437 | 30.9 5.4 | 0510 | 36.8 3.0 | 87 | 100 0 | 63 53 | 1.8 | 7.7 8.7 | 1702 | 0.00 | 19.41 | 0.027 0.053 | 124 129 | - |
| Goldfields Remote | 1/25/26 | 53.4 17.5 | 1521 | 29.6 4.8 | 0507 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| NW Santa Rosa (Piner Road) | 1/25/26 | 52.4 18.3 | 1501 | 29.1 4.5 | 0511 | 37.9 1.6 | 94 | 100 0 | 73 58 | 1.0 | 7.1 6.1 | 1701 | 0.00 | 16.67 | - | - | - |
| River Rd South (Denner Ranch) | 1/25/26 | 54.3 20.5 | 1505 | 30.2 7.4 | 0528 | 38.4 3.3 | 92 | 100 0 | 65 55 | 2.0 | 9.6 9.4 | 1703 | - | - | - | - | - |
| West Santa Rosa (LOV Vineyard) | 1/25/26 | 53.1 18.6 | 1529 | 30.3 6.1 | 0454 | 36.9 2.7 | 88 | 100 0 | 67 58 | 1.1 | 7.4 6.1 | 0141 | 0.51 | 15.14 | 0.004 0.025 | 0 0 | 0 |
| Guerneville Rd (Prokopakis) | 1/25/26 | 52.6 17.7 | 1513 | 31.4 6.6 | 0524 | 37.9 2.5 | 89 | 100 0 | 68 59 | - | - | - | 0.00 | 17.51 | - | - | - |
| Guerneville Rd West (Balletto) | 1/25/26 | 53.0 17.8 | 1509 | 29.1 4.2 | 0426 | 37.4 0.5 | 91 | 100 0 | 72 59 | 1.5 | 7.8 7.5 | 1555 | 0.00 | 17.42 | - | - | - |
| Sanchietti Ranch | 1/25/26 | 53.6 17.2 | 1440 | 31.5 3.5 | 0433 | 39.1 1.6 | - | 100 0 | 76 61 | 2.1 | 10.4 4.5 | 1650 | 0.00 | 18.32 | - | - | - |
| Occidental Rd (Sebastopol) | 1/25/26 | 52.9 17.6 | 1453 | 29.6 2.2 | 0412 | 40.0 2.5 | 100 | 100 0 | 100 75 | 1.5 | 8.1 5.9 | 1510 | 0.00 | 6.77 | - | - | - |
| Lower Westside Rd (Ranch 12) | 1/25/26 | 54.5 22.8 | 1350 | 32.0 5.5 | 0359 | 34.6 2.7 | 78 | 94 6 | 45 38 | 0.4 | 4.0 10.8 | 2122 | 0.00 | 22.83 | - | - | 0 |
| Guerneville (Laughlin Rd) | 1/25/26 | 53.6 17.6 | 1432 | 29.4 2.3 | 0453 | 36.3 4.0 | 89 | 98 1 | 57 45 | 0.5 | 6.9 3.3 | 1605 | 0.00 | 30.92 | - | - | - |
| Korbel (Winery) | 1/25/26 | 53.0 18.9 | 1429 | 32.8 2.6 | 0712 | 38.2 1.6 | 91 | 100 0 | 61 52 | 0.9 | 9.1 8.8 | 1424 | 0.00 | 28.43 | - | - | - |
| Forestville (Shone Farms) | 1/25/26 | 52.9 18.0 | 1534 | 31.2 5.0 | 0507 | 37.5 4.3 | 85 | 97 2 | 63 53 | 1.0 | 5.0 13.4 | 1434 | 0.00 | 24.19 | 0.030 0.066 | 135 152 | 0 |
| Forestville-NE (Ranch 30) | 1/25/26 | 53.1 20.1 | 1401 | 30.6 6.3 | 0356 | 38.0 0.0 | 91 | 100 0 | 64 49 | 1.0 | 7.2 11.1 | 1722 | 0.00 | 22.51 | 0.030 0.051 | 140 155 | - |
| Green Valley Vineyard | 1/25/26 | 52.1 18.4 | 1333 | 33.6 5.9 | 0547 | 37.3 3.4 | 83 | 98 1 | 49 40 | 1.6 | 7.2 10.1 | 1600 | 0.00 | 27.26 | 0.006 0.031 | 0 1 | - |
| Green Valley (Sanchietti) | 1/25/26 | 53.8 19.1 | 1341 | 29.4 2.8 | 0422 | - | - | - | - | - | - | - | - | - | - | - | - |
| Keefer Ranch (Green Valley) | 1/25/26 | 53.1 17.0 | 1516 | 28.6 3.4 | 0432 | 37.2 1.1 | 91 | 98 2 | 73 57 | - | - | - | 0.00 | 24.48 | - | - | - |
| Graton-South (Mill Station Rd) | 1/25/26 | 53.1 17.8 | 1446 | 28.2 4.7 | 0441 | 37.0 2.3 | 90 | 98 2 | 69 60 | 0.2 | 5.5 2.9 | 1449 | 0.00 | 21.67 | - | - | 0 |
| Occidental (Horseshoe Bend) | 1/25/26 | 57.6 10.6 | 0123 | 38.7 2.3 | 0640 | 36.2 5.3 | - | 97 3 | 14 2 | - | - | - | 0.00 | 16.09 | - | - | - |
| Sexton Valley (Jacqueline's Blk) | 1/25/26 | 53.3 16.9 | 1407 | 27.9 4.4 | 0513 | 37.1 4.0 | 92 | 99 1 | 72 57 | 1.1 | 8.6 1.7 | 1502 | 0.00 | 7.10 | - | - | - |
| Sebastopol Hills (Burnside Rd) | 1/25/26 | 56.0 12.8 | 0013 | 38.0 1.2 | 0629 | 38.8 2.7 | 84 | 99 1 | 19 3 | 0.3 | 8.2 1.9 | 1435 | 0.00 | 21.47 | - | - | - |
| Seaview/Fort Ross (Hirsch) | 1/25/26 | 55.2 9.6 | 1233 | 41.9 7.7 | 2048 | 23.0 2.4 | 40 | 86 13 | 12 2 | 4.9 | 20.0 3.1 | 1904 | 0.00 | 37.55 | 0.064 0.051 | 165 146 | - |
| Max | 57.6 | - | 41.9 | - | 40.0 | 100 | 100 | 100 | 4.9 | 20.0 | - | 0.51 | 37.55 | 0.064 | 165 | - | |
| Avg | - | - | - | - | 35.5 | 85 | - | - | 1.2 | - | - | - | - | - | - | - | |
| Min | 52.1 | - | 27.9 | - | 19.4 | 40 | 86 | 0 | 0.2 | 4.0 | - | 0.00 | 6.77 | 0.003 | 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 | 1/25/26 | 50.9 17.5 | 1414 | 35.9 5.6 | 0747 | 31.4 9.6 | 91 0 | 17 9 | 1.6 1.2 | 6.8 9.3 | 2050 | N | 11 | 0.00 | 5.41 | 0.033 0.069 | 157 179 | - |
| Lower Bennett Valley | 1/25/26 | 55.9 13.7 | 1337 | 27.3 4.8 | 0443 | 34.4 4.0 | 100 0 | 57 48 | 1.9 1.0 | 9.8 8.5 | 1655 | ESE | 106 | 0.00 | 17.52 | 0.037 0.050 | 173 125 | 0 0 |
| Kenwood (Wildwood) | 1/25/26 | 56.4 12.8 | 0002 | 35.3 3.8 | 2253 | 38.9 11.5 | 100 0 | 17 6 | 3.3 0.1 | 13.1 9.7 | 0002 | ESE | 112 | 0.00 | 21.10 | 0.038 0.055 | 185 78 | - |
| Sonoma Valley (Bedrock) | 1/25/26 | 51.3 16.7 | 1337 | 34.0 4.6 | 2312 | 37.8 8.3 | 97 1 | 60 51 | - | - | - | - | 0.00 | 17.00 | - | - | - |
| Sonoma-West (Arnold) | 1/25/26 | 52.5 17.1 | 1319 | 30.4 3.8 | 0251 | 38.3 3.4 | 100 0 | 69 57 | 1.8 1.1 | 11.5 5.5 | 1203 | SE | 127 | 0.00 | 14.29 | 0.037 0.063 | 179 150 | - |
| Sonoma Valley HS | 1/25/26 | 52.1 16.8 | 1344 | 32.5 6.0 | 0332 | 39.8 2.5 | 100 0 | 74 59 | 1.5 0.9 | 10.6 0.3 | 1143 | SE | 124 | 0.01 | 5.13 | 0.034 0.047 | 164 130 | - |
| Sonoma East (Bundschu01) | 1/25/26 | 52.4 16.6 | 1414 | 29.9 5.1 | 0427 | 37.1 3.2 | 97 0 | 66 56 | 2.8 0.1 | 13.6 6.6 | 1201 | SSE | 154 | 0.00 | 11.65 | 0.038 0.056 | 172 147 | - |
| 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) | 1/25/26 | 52.7 18.3 | 1334 | 31.2 5.4 | 0429 | 37.2 2.6 | 95 1 | 69 56 | 1.5 0.5 | 12.5 4.7 | 1143 | SE | 131 | 0.00 | 10.96 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 1/25/26 | 51.6 17.6 | 1351 | 32.4 4.2 | 0725 | 38.0 2.1 | 98 0 | 70 58 | 4.4 1.3 | 16.2 1.3 | 1147 | ESE | 114 | 0.00 | 13.95 | 0.037 0.054 | 167 149 | - |
| Carneros (Ranch 71) | 1/25/26 | 50.6 17.7 | 1409 | 38.1 3.8 | 0258 | 39.5 6.4 | 95 5 | 52 41 | 4.4 0.8 | 16.8 0.3 | 1117 | ESE | 105 | 0.00 | 11.98 | 0.036 0.059 | 155 143 | 0 0 |
| Carneros Upper (Ranch 81) | 1/25/26 | 52.1 15.0 | 1327 | 39.2 2.2 | 0305 | 39.3 44.0 | - | - | 6.5 1.8 | 18.9 5.5 | 1152 | E | 99 | - | - | - | - | - |
| Carneros Lower (Ranch 81) | 1/25/26 | 52.0 16.6 | 1327 | 32.9 4.2 | 0307 | 33.3 19.2 | 100 0 | 0 0 | 1.9 0.5 | 11.7 5.4 | 1120 | SSE | 152 | 0.00 | 12.79 | 0.030 0.047 | 118 74 | - |
| Rohnert Park-West (Stony Point) | 1/25/26 | 52.5 18.6 | 1356 | 28.5 2.6 | 0335 | 38.7 3.8 | 100 0 | 75 56 | 2.8 1.6 | 12.5 3.7 | 1646 | SSE | 151 | 0.00 | 1.58 | - | - | - |
| Cartograph Wines Base | 1/25/26 | 51.0 15.7 | 1309 | 38.8 2.4 | 0838 | 41.0 1.3 | 98 2 | 43 19 | 4.0 1.6 | 15.3 3.7 | 1718 | SE | 132 | 0.00 | 17.42 | 0.032 0.034 | 163 124 | - |
| Cartograph Wines Remote | 1/25/26 | 53.1 12.2 | 1239 | 31.6 1.1 | 0120 | - | - | - | - | - | - | - | - | - | - | - | - |
| Rice-Spivak Vineyard | 1/25/26 | 52.5 17.1 | 1301 | 27.4 0.9 | 0126 | - | - | - | - | - | - | - | - | - | - | - | - |
| Penngrove (Asellus) | 1/25/26 | 51.8 17.4 | 1323 | 32.5 0.3 | 0126 | 39.4 1.3 | 97 1 | 69 59 | 5.5 3.0 | 17.0 2.4 | 1207 | SE | 134 | 0.00 | 15.53 | - | - | 0 0 |
| Roger's Creek (Ranch 50) | 1/25/26 | 53.5 17.8 | 1353 | 34.6 3.9 | 0728 | 37.5 1.2 | 98 2 | 58 47 | 1.3 0.1 | 9.3 0.5 | 1225 | SSW | 202 | 0.00 | 14.80 | 0.035 0.032 | 160 114 | 0 0 |
| Petaluma (Ranch 10) | 1/25/26 | 53.5 19.0 | 1313 | 33.6 1.4 | 0110 | 40.4 0.6 | 96 4 | 68 58 | 2.6 1.3 | 8.3 1.6 | 1202 | SE | 136 | 0.00 | 11.56 | 0.033 0.030 | 138 114 | 0 0 |
| Max | 56.4 | - | 39.2 | - | 41.0 | 100 | 75 | 6.5 | 18.9 | - | - | 0.01 | 21.10 | 0.038 | 185 | - | |
| Avg | - | - | - | - | 37.8 | - | - | 3.0 | - | - | - | - | - | - | - | - | |
| Min | 50.6 | - | 27.3 | - | 31.4 | 91 | 0 | 1.3 | 6.8 | - | - | 0.00 | 1.58 | 0.030 | 118 | - |