| 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) | 2/25/26 | 66.0 10.2 | 1348 | 53.0 2.4 | 0701 | 54.5 0.9 | 93 | 100 0 | 71 29 | 1.6 | 8.3 7.4 | 1918 | NW | 305 | 0.04 | 36.96 | - | - | 0 0 |
| Rockpile Upper (Cooley) | 2/25/26 | 61.6 7.8 | 1402 | 50.5 2.4 | 0625 | 53.0 1.8 | 97 | 100 0 | 82 18 | 3.8 | 14.0 12.9 | 1811 | NNW | 327 | 0.06 | 37.63 | 0.047 0.036 | 200 139 | 0 0 |
| Cloverdale-East (Ranch 83) | 2/25/26 | 69.2 9.9 | 1338 | 52.3 1.2 | 2359 | 1.2 51.0 | - | - | - | 1.1 | 6.4 12.4 | 1636 | S | 179 | 0.02 | 30.98 | 0.062 0.037 | 197 134 | 0 0 |
| Cloverdale-SE (Ranch 38) | 2/25/26 | 68.7 10.7 | 1404 | 54.0 0.5 | 2359 | 56.4 1.1 | 93 | 100 1 | 69 27 | 2.7 | 9.3 14.5 | 0023 | NW | 304 | 0.03 | 32.45 | 0.051 0.032 | 196 119 | 0 0 |
| Geyserville-North (Hoffman) | 2/25/26 | 68.1 8.7 | 1441 | 50.6 3.7 | 2357 | 56.5 0.4 | 91 | 98 1 | 67 27 | 1.6 | 8.3 5.3 | 0030 | ESE | 121 | 0.00 | 25.50 | 0.048 0.034 | 166 128 | 0 0 |
| Geyserville (Ranch 3) | 2/25/26 | 68.1 9.5 | 1426 | 52.3 1.8 | 2354 | 57.2 0.3 | 93 | 100 0 | 64 36 | 1.5 | 7.5 6.8 | 0032 | E | 95 | 0.03 | 31.63 | 0.050 0.040 | 186 144 | 0 0 |
| Geyserville-East (Ranch 40) | 2/25/26 | 67.1 10.7 | 1418 | 54.9 1.5 | 0633 | 56.8 1.7 | 96 | 100 0 | 77 18 | 0.1 | 12.8 15.2 | 0001 | SSE | 156 | 0.02 | 32.08 | 0.047 0.037 | 182 142 | 0 0 |
| Geyserville-South (Nervo Station) | 2/25/26 | 67.7 9.6 | 1433 | 54.6 1.1 | 2359 | - | - | - | - | 0.4 | 6.1 9.1 | 0001 | E | 100 | 0.03 | 24.64 | - | - | 0 0 |
| Jimtown-North (Piccolo Ranch 15) | 2/25/26 | 68.6 9.5 | 1439 | 55.5 1.3 | 2137 | 56.9 0.3 | 92 | 100 0 | 64 35 | 0.9 | 5.3 4.8 | 1304 | NNW | 344 | 0.04 | 29.33 | 0.046 0.035 | 172 133 | 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) | 2/25/26 | 67.6 8.0 | 1419 | 53.1 1.6 | 2152 | 57.0 0.8 | 93 | 100 0 | 68 25 | 0.8 | 6.7 6.4 | 1318 | WNW | 294 | 0.07 | 28.05 | 0.044 0.030 | 158 115 | 0 0 |
| N Chalk Hill Rd (Ranch 63) | 2/25/26 | 66.2 11.5 | 1507 | 51.3 0.1 | 0647 | 53.8 0.8 | 94 | 100 0 | 70 29 | 1.2 | 6.8 2.8 | 0010 | S | 178 | 0.07 | 29.58 | 0.023 0.022 | 74 74 | 0 0 |
| Knights Valley (Bavarian Lion) | 2/25/26 | 65.4 4.5 | 1303 | 51.6 2.0 | 2203 | 55.5 0.5 | 92 | 98 0 | 71 13 | 1.3 | 7.1 2.3 | 1308 | NNW | 330 | 0.14 | 27.71 | 0.049 0.028 | 187 118 | - |
| Upper Dry Creek Valley | 2/24/26 | 59.1 6.1 | 1222 | 53.7 0.9 | 0019 | 55.8 3.0 | 97 | 98 1 | 95 41 | 5.0 | 15.0 4.2 | 1213 | SE | 133 | 1.57 | 34.50 | 0.017 0.044 | 55 156 | - |
| Lower Dry Creek Valley | 2/25/26 | 70.6 11.0 | 1420 | 54.9 1.1 | 2341 | 57.5 0.6 | 92 | 100 0 | 60 40 | 1.0 | 9.5 4.6 | 0012 | ESE | 103 | 0.01 | 33.46 | 0.053 0.036 | 197 125 | 0 0 |
| Max | 70.6 | - | 55.5 | - | 57.5 | 97 | 100 | 82 | 3.8 | 14.0 | - | - | 0.14 | 37.63 | 0.062 | 200 | - | |
| Avg | - | - | - | - | 51.4 | 93 | - | - | 1.4 | - | - | - | - | - | - | - | - | |
| Min | 61.6 | - | 50.5 | - | 1.2 | 91 | 98 | 60 | 0.1 | 5.3 | - | - | 0.00 | 24.64 | 0.023 | 74 | - |
| 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) | 2/11/26 | 61.5 0.6 | 1136 | 49.6 13.4 | 0010 | - | - | 95 5 | 60 9 | 3.9 | 21.6 12.3 | 0227 | 0.18 | 19.98 | - | - | 0 |
| Windsor-NW (Ranch 8) | 2/25/26 | 68.3 8.9 | 1433 | 56.1 2.4 | 0625 | 55.2 2.6 | 85 | 89 1 | 75 7 | 1.1 | 7.2 9.5 | 1106 | 0.02 | 29.04 | 0.055 0.030 | 201 133 | 0 |
| Windsor-East (Ranch 16) | 2/25/26 | 66.6 5.9 | 1500 | 54.0 0.6 | 2153 | 57.1 0.8 | 93 | 100 0 | 72 16 | 1.2 | 7.5 5.6 | 0022 | 0.06 | 21.84 | 0.041 0.022 | 148 93 | 0 |
| Mark West-North (Ranch 14) | 2/25/26 | 65.3 5.0 | 1523 | 53.4 1.2 | 2236 | 56.6 0.5 | 92 | 98 0 | 73 15 | 0.9 | 5.4 6.7 | 0010 | 0.04 | 23.65 | 0.004 0.001 | 0 0 | 0 |
| Windsor-SE (Silk Rd) | 2/25/26 | 66.6 7.2 | 1459 | 54.4 0.4 | 2154 | 57.1 0.8 | 93 | 99 0 | 71 22 | 1.1 | 6.8 7.6 | 1350 | 0.02 | 21.03 | 0.047 0.029 | 175 110 | 0 |
| Fulton-NW (Ranch 5) | 2/25/26 | 65.6 4.9 | 1545 | 52.3 2.2 | 2225 | 17.0 11.0 | 45 | 100 0 | 3 0 | 1.4 | 7.9 6.0 | 0034 | 0.04 | 23.93 | 0.062 0.017 | 169 109 | 0 |
| Windsor-South (Laughlin Rd) | 2/25/26 | 66.6 6.8 | 1403 | 54.8 0.8 | 2216 | 14.4 20.4 | 49 | 100 0 | 0 0 | - | - | - | 0.18 | 24.07 | - | - | - |
| Fulton-SE (Barnes Rd) | 2/25/26 | 65.0 3.0 | 1511 | 53.9 1.2 | 2224 | 56.8 0.7 | 92 | 98 0 | 75 7 | 1.2 | 6.6 5.8 | 1305 | 0.06 | 22.97 | - | - | - |
| Fulton-SW (Ranch 21) | 2/25/26 | 64.8 4.8 | 1426 | 51.8 2.4 | 2254 | -12.9 10.5 | 34 | 100 0 | 0 0 | 1.5 | 8.0 7.4 | 0025 | 0.03 | 23.41 | 0.063 0.008 | 164 108 | - |
| Santa Rosa-NW (Goldfields) | 2/25/26 | 65.7 5.0 | 1428 | 52.4 2.2 | 2238 | 57.0 0.5 | 94 | 100 0 | 74 11 | 1.5 | 7.5 6.4 | 0028 | 0.03 | 24.81 | 0.037 0.022 | 132 87 | - |
| Goldfields Remote | 2/25/26 | 65.6 4.8 | 1526 | 51.0 3.5 | 2250 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| NW Santa Rosa (Piner Road) | 2/25/26 | 64.8 4.0 | 1524 | 52.3 2.0 | 2235 | 58.0 0.5 | 98 | 100 0 | 84 12 | 1.1 | 6.1 7.1 | 1637 | 0.02 | 21.85 | - | - | 0 |
| River Rd South (Denner Ranch) | 2/25/26 | 66.4 7.1 | 1514 | 55.3 1.7 | 2256 | 57.9 1.2 | 98 | 100 0 | 73 27 | 1.9 | 7.5 11.6 | 0156 | - | - | - | - | 0 |
| West Santa Rosa (LOV Vineyard) | 2/25/26 | 65.5 5.2 | 1423 | 53.5 0.9 | 2217 | 56.8 0.9 | 94 | 100 0 | 75 11 | 0.8 | 6.3 8.2 | 1632 | 0.16 | 16.13 | 0.003 0.001 | 1 0 | 0 |
| Guerneville Rd (Prokopakis) | 2/25/26 | 65.8 5.7 | 1533 | 55.1 0.6 | 2258 | 57.2 0.8 | 93 | 100 0 | 74 14 | - | - | - | 0.02 | 22.99 | - | - | 0 |
| Guerneville Rd West (Balletto) | 2/25/26 | 65.2 4.7 | 1522 | 53.6 1.1 | 2235 | 57.5 0.7 | 96 | 100 0 | 80 9 | 1.3 | 7.1 7.5 | 1624 | 0.01 | 22.50 | - | - | 0 |
| Sanchietti Ranch | 2/25/26 | 65.4 3.2 | 1501 | 53.3 2.1 | 2300 | 57.7 0.6 | - | 99 1 | 81 5 | 1.6 | 6.7 9.2 | 0209 | 0.02 | 23.43 | - | - | - |
| Occidental Rd (Sebastopol) | 2/25/26 | 65.6 5.2 | 1510 | 51.9 1.9 | 2247 | 58.2 1.0 | 100 | 100 0 | 100 0 | 1.0 | 7.2 12.3 | 1650 | 0.01 | 6.90 | - | - | 0 |
| Lower Westside Rd (Ranch 12) | 2/25/26 | 70.7 11.0 | 1305 | 55.6 1.4 | 2146 | 57.0 0.9 | 90 | 100 0 | 60 33 | 0.0 | 0.0 0.0 | 0001 | 0.02 | 28.11 | - | - | 0 |
| Guerneville (Laughlin Rd) | 2/25/26 | 68.8 10.1 | 1252 | 54.8 0.8 | 2359 | 56.5 0.8 | 92 | 98 0 | 66 27 | 0.9 | 7.5 2.3 | 1533 | 0.05 | 39.17 | - | - | - |
| Korbel (Winery) | 2/25/26 | 66.6 8.0 | 1424 | 54.9 0.7 | 2359 | 56.9 0.6 | 94 | 100 0 | 73 20 | 0.9 | 6.6 1.8 | 1431 | 0.04 | 36.40 | - | - | - |
| Forestville (Shone Farms) | 2/25/26 | 66.9 6.8 | 1629 | 54.6 2.7 | 0716 | 56.9 1.2 | 93 | 98 1 | 77 17 | 1.2 | 6.2 11.4 | 1716 | 0.01 | 30.21 | 0.043 0.027 | 151 100 | 0 |
| Forestville-NE (Ranch 30) | 2/25/26 | 66.7 8.3 | 1502 | 54.7 1.6 | 2359 | 57.2 1.5 | 95 | 100 0 | 78 18 | 1.3 | 7.7 9.7 | 0022 | 0.01 | 28.37 | 0.044 0.031 | 166 117 | - |
| Green Valley Vineyard | 2/25/26 | 65.0 6.1 | 1455 | 51.5 1.6 | 2313 | 56.2 0.8 | 94 | 99 0 | 76 17 | 1.1 | 5.5 10.1 | 0020 | 0.03 | 34.95 | 0.029 0.026 | 96 96 | - |
| Green Valley (Sanchietti) | 2/25/26 | 66.9 6.5 | 1435 | 54.2 0.1 | 2331 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| Keefer Ranch (Green Valley) | 2/25/26 | 65.4 5.8 | 1509 | 51.6 2.4 | 2228 | 56.7 0.8 | 94 | 98 0 | 79 14 | - | - | - | 0.02 | 31.22 | - | - | - |
| Graton-South (Mill Station Rd) | 2/25/26 | 64.8 5.4 | 1456 | 51.6 1.8 | 2302 | 56.7 0.7 | 96 | 100 1 | 80 10 | 0.2 | 5.1 5.0 | 0028 | 0.11 | 27.55 | - | - | 0 |
| Occidental (Horseshoe Bend) | 2/25/26 | 60.8 4.4 | 1458 | 52.7 0.1 | 2319 | 56.2 1.0 | - | 100 0 | 91 5 | - | - | - | 0.01 | 16.33 | - | - | - |
| Sexton Valley (Jacqueline's Blk) | 2/25/26 | 65.0 5.9 | 1509 | 49.5 4.6 | 2353 | 56.9 0.5 | 96 | 99 0 | 84 11 | 0.8 | 9.4 2.0 | 1607 | 0.06 | 15.24 | - | - | 0 |
| Sebastopol Hills (Burnside Rd) | 2/25/26 | 62.2 4.5 | 1454 | 53.2 0.5 | 2326 | 56.8 0.7 | 100 | 100 0 | 94 2 | 1.6 | 10.9 5.9 | 0111 | 0.06 | 27.82 | - | - | 0 |
| Seaview/Fort Ross (Hirsch) | 2/25/26 | 59.8 6.0 | 1403 | 51.0 0.7 | 0400 | 53.0 1.1 | 95 | 97 0 | 79 18 | 1.5 | 6.6 18.2 | 0341 | 0.03 | 48.28 | 0.046 0.036 | 194 160 | - |
| Max | 70.7 | - | 56.1 | - | 58.2 | 100 | 100 | 100 | 1.9 | 10.9 | - | 0.18 | 48.28 | 0.063 | 201 | - | |
| Avg | - | - | - | - | 51.4 | 88 | - | - | 1.1 | - | - | - | - | - | - | - | |
| Min | 59.8 | - | 49.5 | - | -12.9 | 34 | 89 | 0 | 0.0 | 0.0 | - | 0.01 | 6.90 | 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 | 2/25/26 | 61.4 3.0 | 1532 | 52.4 0.8 | 2251 | 55.0 1.2 | 98 0 | 82 4 | 1.2 1.2 | 5.8 9.5 | 0419 | S | 180 | 0.00 | 5.41 | 0.032 0.017 | 122 75 | - |
| Lower Bennett Valley | 2/25/26 | 63.4 0.4 | 1449 | 49.0 5.3 | 2359 | 56.5 0.7 | 100 0 | 80 2 | 1.2 3.4 | 7.5 10.3 | 0052 | N | 355 | 0.08 | 21.99 | 0.036 0.000 | 134 19 | 0 0 |
| Kenwood (Wildwood) | 2/25/26 | 64.4 1.2 | 1311 | 51.9 1.8 | 2359 | 56.9 1.6 | 100 0 | 78 7 | 1.8 1.7 | 10.8 4.9 | 1400 | NW | 326 | 0.09 | 26.86 | 0.045 0.015 | 171 90 | - |
| Sonoma Valley (Bedrock) | 2/25/26 | 64.7 0.3 | 1407 | 52.0 0.8 | 2357 | 55.5 1.8 | 98 1 | 75 12 | - | - | - | - | 0.08 | 23.06 | - | - | - |
| Sonoma-West (Arnold) | 2/25/26 | 66.4 0.2 | 1452 | 50.6 2.6 | 2312 | 56.8 1.4 | 100 0 | 73 9 | 1.2 1.2 | 7.5 8.0 | 1458 | N | 0 | 0.03 | 17.11 | 0.044 0.007 | 162 2 | - |
| Sonoma Valley HS | 2/25/26 | 65.9 0.6 | 1524 | 52.6 1.3 | 2319 | 58.1 1.7 | 100 0 | 79 11 | 1.1 1.3 | 3.9 7.4 | 1844 | SSW | 205 | 0.00 | 5.27 | 0.041 0.003 | 154 10 | - |
| Sonoma East (Bundschu01) | 2/25/26 | 66.5 1.5 | 1528 | 51.6 2.3 | 2344 | 56.5 1.9 | 98 3 | 72 9 | 2.1 2.1 | 7.2 10.1 | 1031 | WSW | 238 | 0.05 | 17.45 | 0.046 0.006 | 166 14 | - |
| Schellville (Sasaki) | 2/4/26 | 70.2 | 1502 | 39.9 | 0001 | 48.4 | 98 | 51 | 2.9 | 11.8 | 1113 | NE | 34 | 0.00 | 0.00 | - | - | 0 |
| Sonoma-SE (Napoli) | 2/25/26 | 67.4 2.1 | 1524 | 51.4 2.4 | 2357 | 56.4 1.8 | 97 2 | 73 9 | 0.7 1.5 | 7.1 7.4 | 1035 | WSW | 247 | 0.01 | 14.93 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 2/25/26 | 65.9 1.7 | 1514 | 53.5 0.1 | 2322 | 56.6 2.1 | 97 1 | 74 13 | 3.2 0.9 | 9.8 8.7 | 0329 | S | 173 | 0.01 | 18.74 | 0.049 0.007 | 178 5 | - |
| Carneros (Ranch 71) | 2/25/26 | 65.2 2.8 | 1438 | 55.3 0.6 | 2309 | 57.3 2.7 | 100 0 | 77 16 | 3.0 0.3 | 10.1 3.5 | 0259 | SSE | 166 | 0.03 | 16.19 | 0.042 0.010 | 154 17 | 0 0 |
| Carneros Upper (Ranch 81) | 2/25/26 | 65.2 1.5 | 1513 | 56.1 1.3 | 2358 | 38.6 0.5 | - | - | 5.4 2.6 | 16.0 7.1 | 0041 | SSW | 201 | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 2/25/26 | 66.6 1.9 | 1442 | 51.6 2.8 | 2311 | -3.7 35.4 | 100 0 | 0 0 | 1.1 0.9 | 8.6 5.8 | 0329 | SSE | 159 | 0.03 | 16.94 | 0.052 0.003 | 119 33 | 0 0 |
| Rohnert Park-West (Stony Point) | 2/25/26 | 64.2 0.1 | 1604 | 51.8 2.9 | 2316 | 56.9 0.3 | 100 0 | 82 1 | 1.0 3.0 | 8.4 9.3 | 1654 | WSW | 253 | 0.03 | 6.27 | - | - | - |
| Cartograph Wines Base | 2/25/26 | 63.5 2.2 | 1507 | 51.5 1.9 | 2308 | 56.7 0.4 | 100 2 | 88 0 | 2.3 2.8 | 12.0 4.9 | 0045 | S | 174 | 0.03 | 22.35 | 0.036 0.011 | 140 48 | - |
| Cartograph Wines Remote | 2/25/26 | 64.9 1.8 | 1457 | 48.8 4.9 | 2308 | - | - | - | - | - | - | - | - | - | - | - | - |
| Rice-Spivak Vineyard | 2/25/26 | 65.4 1.8 | 1502 | 45.2 8.6 | 2301 | - | - | - | - | - | - | - | - | - | - | - | - |
| Penngrove (Asellus) | 2/25/26 | 64.9 1.1 | 1313 | 51.4 3.8 | 2201 | 56.0 0.6 | 98 1 | 76 3 | 1.7 3.9 | 9.5 7.1 | 1411 | NNW | 348 | 0.08 | 36.02 | - | - | 0 0 |
| Petaluma (Ranch 10) | 2/25/26 | 66.7 0.8 | 1254 | 51.4 3.3 | 2348 | 56.6 1.0 | 100 0 | 71 4 | 1.2 0.0 | 8.9 2.9 | 1733 | W | 274 | 0.01 | 15.66 | 0.050 0.015 | 177 64 | 0 0 |
| Max | 67.4 | - | 56.1 | - | 58.1 | 100 | 88 | 5.4 | 16.0 | - | - | 0.09 | 36.02 | 0.052 | 178 | - | |
| Avg | - | - | - | - | 51.7 | - | - | 1.9 | - | - | - | - | - | - | - | - | |
| Min | 61.4 | - | 45.2 | - | -3.7 | 97 | 0 | 0.7 | 3.9 | - | - | 0.00 | 5.27 | 0.032 | 119 | - |