| 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) | 2/23/26 | 61.2 10.1 | 1228 | 50.2 6.8 | 0139 | 51.0 4.6 | 90 | 100 0 | 66 12 | 3.4 | 15.0 0.7 | 1109 | ESE | 116 | 0.31 | 34.62 | - | - | 0 0 |
| Rockpile Upper (Cooley) | 2/23/26 | 60.0 11.2 | 1233 | 47.6 7.2 | 0151 | 49.7 5.3 | 94 | 100 0 | 73 13 | 9.2 | 25.4 5.5 | 2225 | SSE | 156 | 0.28 | 35.29 | 0.049 0.030 | 209 98 | 0 0 |
| Cloverdale-East (Ranch 83) | 2/23/26 | 64.2 9.2 | 1242 | 52.3 6.1 | 0700 | 4.9 30.6 | - | - | - | 2.3 | 13.2 0.8 | 2317 | SE | 125 | 0.20 | 29.42 | 0.064 0.031 | 193 88 | 0 0 |
| Cloverdale-SE (Ranch 38) | 2/23/26 | 64.0 9.9 | 1309 | 52.3 6.7 | 0511 | 52.9 4.5 | 89 | 100 1 | 61 8 | 4.7 | 16.7 1.5 | 2253 | SE | 140 | 0.19 | 30.99 | 0.056 0.029 | 189 78 | 0 0 |
| Geyserville-North (Hoffman) | 2/23/26 | 65.2 9.2 | 1246 | 53.2 6.2 | 0721 | 54.0 5.1 | 93 | 95 2 | 87 20 | 2.6 | 10.0 0.8 | 1146 | SSE | 152 | 0.00 | 25.50 | 0.054 0.024 | 176 83 | 0 0 |
| Geyserville (Ranch 3) | 2/23/26 | 65.6 10.3 | 1247 | 53.2 6.1 | 0518 | 53.8 4.3 | 88 | 100 0 | 56 9 | 2.1 | 9.7 0.2 | 1637 | SSW | 200 | 0.19 | 30.37 | 0.057 0.027 | 194 90 | 0 0 |
| Geyserville-East (Ranch 40) | 2/23/26 | 64.0 9.8 | 1247 | 51.9 5.2 | 0402 | 53.1 5.1 | 89 | 100 1 | 69 2 | 5.7 | 17.8 5.8 | 2200 | SSE | 151 | 0.15 | 30.80 | 0.063 0.026 | 216 86 | 0 0 |
| Geyserville-South (Nervo Station) | 2/23/26 | 65.1 9.2 | 1327 | 52.6 6.1 | 0658 | - | - | - | - | 1.3 | 9.1 0.3 | 1642 | WSW | 239 | 0.15 | 23.60 | - | - | 0 0 |
| Jimtown-North (Piccolo Ranch 15) | 2/23/26 | 66.2 8.2 | 1338 | 52.2 4.5 | 0729 | 53.4 5.2 | 87 | 100 0 | 54 6 | 1.1 | 10.1 0.7 | 1155 | S | 189 | 0.16 | 27.90 | 0.055 0.022 | 192 82 | 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) | 2/23/26 | 68.7 11.0 | 1322 | 50.5 3.2 | 0550 | 53.5 5.0 | 86 | 100 3 | 54 8 | 1.2 | 7.8 6.1 | 1428 | S | 186 | 0.14 | 26.69 | 0.058 0.026 | 198 89 | 0 0 |
| N Chalk Hill Rd (Ranch 63) | 2/23/26 | 67.7 11.2 | 1404 | 47.5 1.0 | 0651 | 51.2 4.1 | 87 | 100 0 | 53 10 | 1.7 | 8.0 4.3 | 1424 | SSW | 202 | 0.18 | 28.12 | 0.058 0.025 | 204 90 | 0 0 |
| Knights Valley (Bavarian Lion) | 2/23/26 | 68.7 11.5 | 1341 | 50.0 4.7 | 0728 | 50.8 3.8 | 81 | 98 1 | 45 18 | 2.0 | 10.0 0.2 | 1210 | SSE | 155 | 0.09 | 26.46 | 0.075 0.028 | 255 77 | - |
| Upper Dry Creek Valley | 2/22/26 | 54.8 1.0 | 1552 | 46.6 14.7 | 0721 | 52.5 14.9 | 96 | 98 0 | 67 18 | 2.9 | 10.7 10.3 | 0330 | SE | 139 | 0.68 | 32.71 | 0.030 0.037 | 114 86 | - |
| Lower Dry Creek Valley | 2/23/26 | 66.8 10.7 | 1324 | 52.9 5.9 | 0456 | 53.6 4.0 | 88 | 100 0 | 53 18 | 2.0 | 10.2 1.5 | 1258 | SSE | 148 | 0.17 | 32.18 | 0.060 0.028 | 199 82 | 0 0 |
| Max | 68.7 | - | 53.2 | - | 54.0 | 94 | 100 | 87 | 9.2 | 25.4 | - | - | 0.31 | 35.29 | 0.075 | 255 | - | |
| Avg | - | - | - | - | 48.5 | 88 | - | - | 3.0 | - | - | - | - | - | - | - | - | |
| Min | 60.0 | - | 47.5 | - | 4.9 | 81 | 95 | 45 | 1.1 | 7.8 | - | - | 0.00 | 23.60 | 0.049 | 176 | - |
| 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) | 2/23/26 | 69.3 10.3 | 1330 | 52.8 5.8 | 0625 | 52.1 4.9 | 81 | 90 2 | 58 16 | 1.0 | 9.2 0.3 | 1320 | 0.13 | 27.64 | 0.064 0.026 | 234 82 | 0 |
| Windsor-East (Ranch 16) | 2/23/26 | 69.9 11.7 | 1342 | 50.2 2.5 | 0549 | 52.6 4.3 | 84 | 100 5 | 47 15 | 1.5 | 10.9 1.8 | 1359 | 0.12 | 20.62 | 0.069 0.028 | 231 88 | 0 |
| Mark West-North (Ranch 14) | 2/23/26 | 70.0 11.4 | 1340 | 51.8 4.1 | 0557 | 52.0 3.8 | 82 | 98 3 | 46 16 | 1.2 | 8.4 0.4 | 1242 | 0.11 | 22.38 | 0.013 0.007 | 0 0 | 0 |
| Windsor-SE (Silk Rd) | 2/23/26 | 68.2 10.4 | 1333 | 52.2 4.8 | 0601 | 52.8 3.7 | 85 | 99 1 | 51 15 | 1.6 | 9.2 1.3 | 1328 | 0.12 | 19.57 | 0.067 0.029 | 231 72 | 0 |
| Fulton-NW (Ranch 5) | 2/23/26 | 68.4 10.7 | 1338 | 51.9 4.1 | 0612 | 31.1 17.6 | 58 | 100 4 | 3 63 | 1.8 | 10.1 1.1 | 1321 | 0.08 | 22.62 | 0.075 0.032 | 239 71 | 0 |
| Windsor-South (Laughlin Rd) | 2/23/26 | 70.0 11.3 | 1306 | 52.3 5.3 | 0533 | 27.5 20.6 | 60 | 100 7 | 0 66 | - | - | - | 0.09 | 22.69 | - | - | - |
| Fulton-SE (Barnes Rd) | 2/23/26 | 68.1 7.7 | 1347 | 51.7 3.9 | 0448 | 52.3 3.7 | 82 | 98 3 | 50 14 | 1.4 | 12.4 1.5 | 1325 | 0.08 | 21.62 | - | - | - |
| Fulton-SW (Ranch 21) | 2/23/26 | 68.0 9.8 | 1336 | 51.6 4.6 | 0659 | 15.9 32.4 | 54 | 100 0 | 0 65 | 2.1 | 10.9 2.2 | 1403 | 0.07 | 22.14 | 0.076 0.029 | 242 53 | - |
| Santa Rosa-NW (Goldfields) | 2/23/26 | 68.7 8.2 | 1311 | 52.2 4.8 | 0640 | 52.6 3.9 | 84 | 100 4 | 49 15 | 2.0 | 11.1 2.9 | 1303 | 0.07 | 23.43 | 0.065 0.021 | 211 55 | - |
| Goldfields Remote | 2/23/26 | 68.8 9.9 | 1335 | 51.5 4.1 | 0536 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| NW Santa Rosa (Piner Road) | 2/23/26 | 67.0 9.0 | 1333 | 51.8 4.5 | 0539 | 54.1 3.2 | 90 | 100 0 | 57 11 | 1.5 | 9.3 1.3 | 1159 | 0.07 | 20.61 | - | - | 0 |
| River Rd South (Denner Ranch) | 2/23/26 | 68.2 9.0 | 1334 | 51.5 4.3 | 0701 | 53.1 2.7 | 88 | 100 0 | 55 12 | 2.8 | 12.1 0.0 | 1256 | - | - | - | - | 0 |
| West Santa Rosa (LOV Vineyard) | 2/23/26 | 67.8 10.3 | 1334 | 52.0 4.6 | 0713 | 52.2 3.6 | 84 | 100 5 | 52 12 | 1.5 | 10.0 2.1 | 1309 | 0.04 | 15.90 | 0.013 0.006 | 0 0 | 0 |
| Guerneville Rd (Prokopakis) | 2/23/26 | 67.6 9.5 | 1333 | 52.3 4.8 | 0725 | 52.7 3.5 | 85 | 100 2 | 51 14 | - | - | - | 0.08 | 21.68 | - | - | 0 |
| Guerneville Rd West (Balletto) | 2/23/26 | 67.5 10.4 | 1310 | 52.3 4.7 | 0710 | 53.6 3.7 | 88 | 100 2 | 59 11 | 2.0 | 10.5 0.9 | 1322 | 0.08 | 21.33 | - | - | 0 |
| Sanchietti Ranch | 2/23/26 | 67.1 8.7 | 1314 | 53.6 4.8 | 0708 | 54.4 4.1 | - | 99 5 | 63 11 | 2.2 | 11.6 0.5 | 1317 | 0.06 | 22.34 | - | - | - |
| Occidental Rd (Sebastopol) | 2/23/26 | 67.2 9.9 | 1300 | 51.5 4.0 | 0711 | 57.3 4.8 | 100 | 100 0 | 94 6 | 1.3 | 8.1 0.9 | 1325 | 0.01 | 6.89 | - | - | 0 |
| Lower Westside Rd (Ranch 12) | 2/23/26 | 71.3 10.2 | 1331 | 52.9 5.4 | 0639 | 52.7 3.8 | 82 | 100 4 | 46 21 | 0.0 | 0.0 0.0 | 0001 | 0.13 | 26.79 | - | - | 0 |
| Guerneville (Laughlin Rd) | 2/23/26 | 68.7 13.3 | 1318 | 51.6 4.7 | 0519 | 53.7 4.7 | 91 | 98 0 | 58 18 | 0.6 | 7.3 1.8 | 1239 | 0.25 | 36.82 | - | - | - |
| Korbel (Winery) | 2/23/26 | 66.2 10.7 | 1321 | 52.2 4.9 | 0513 | 53.9 4.6 | 91 | 100 0 | 57 12 | 1.3 | 9.9 0.6 | 1128 | 0.23 | 34.35 | - | - | - |
| Forestville (Shone Farms) | 2/23/26 | 68.7 11.4 | 1321 | 51.3 5.5 | 0138 | 52.6 3.8 | 86 | 98 1 | 53 14 | 1.7 | 10.4 2.0 | 1145 | 0.13 | 28.71 | 0.060 0.022 | 209 60 | 0 |
| Forestville-NE (Ranch 30) | 2/23/26 | 66.8 9.9 | 1318 | 51.6 5.6 | 0738 | 53.4 3.8 | 90 | 100 0 | 58 18 | 1.9 | 12.1 4.9 | 1157 | 0.13 | 26.98 | 0.063 0.026 | 226 73 | - |
| Green Valley Vineyard | 2/23/26 | 67.0 10.9 | 1333 | 51.5 5.6 | 0457 | 52.1 3.5 | 86 | 98 1 | 53 20 | 1.5 | 9.9 1.8 | 1327 | 0.12 | 33.24 | 0.087 0.146 | 327 645 | - |
| Green Valley (Sanchietti) | 2/23/26 | 69.4 11.7 | 1324 | 52.3 5.1 | 0732 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| Keefer Ranch (Green Valley) | 2/23/26 | 67.6 11.1 | 1334 | 51.6 4.6 | 0737 | 53.1 3.6 | 88 | 99 1 | 59 17 | - | - | - | 0.09 | 29.62 | - | - | - |
| Graton-South (Mill Station Rd) | 2/23/26 | 66.5 9.9 | 1336 | 51.5 4.7 | 0720 | 52.6 3.2 | 87 | 100 1 | 55 16 | 0.5 | 6.8 1.5 | 1304 | 0.09 | 27.07 | - | - | 0 |
| Occidental (Horseshoe Bend) | 2/23/26 | 64.6 11.0 | 1331 | 51.7 6.2 | 0455 | 52.3 4.8 | - | 100 2 | 63 11 | - | - | - | 0.02 | 16.31 | - | - | - |
| Sexton Valley (Jacqueline's Blk) | 2/23/26 | 66.6 10.1 | 1335 | 51.7 4.4 | 0719 | 53.2 3.2 | 88 | 100 1 | 61 17 | 1.1 | 9.4 4.1 | 1119 | 0.09 | 13.37 | - | - | 0 |
| Sebastopol Hills (Burnside Rd) | 2/23/26 | 64.9 8.9 | 1335 | 51.6 5.5 | 0642 | 52.8 3.8 | 90 | 100 1 | 65 14 | 0.9 | 7.5 0.6 | 1254 | 0.07 | 26.26 | - | - | 0 |
| Seaview/Fort Ross (Hirsch) | 2/23/26 | 59.6 9.1 | 1139 | 49.5 5.5 | 0413 | 50.1 4.1 | 91 | 97 0 | 73 13 | 4.5 | 17.1 10.8 | 1500 | 0.40 | 44.38 | 0.048 0.024 | 196 97 | - |
| Max | 71.3 | - | 53.6 | - | 57.3 | 100 | 100 | 94 | 4.5 | 17.1 | - | 0.40 | 44.38 | 0.087 | 327 | - | |
| Avg | - | - | - | - | 50.0 | 84 | - | - | 1.6 | - | - | - | - | - | - | - | |
| Min | 59.6 | - | 49.5 | - | 15.9 | 54 | 90 | 0 | 0.0 | 0.0 | - | 0.01 | 6.89 | 0.013 | 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 | 2/23/26 | 65.5 6.7 | 1319 | 50.4 3.6 | 0723 | 48.8 4.8 | 95 0 | 46 10 | 1.8 1.0 | 11.4 3.2 | 1234 | S | 186 | 0.00 | 5.41 | 0.073 0.016 | 256 73 | - |
| Lower Bennett Valley | 2/23/26 | 67.6 2.7 | 1353 | 48.1 1.8 | 0705 | 51.0 5.8 | 100 10 | 47 4 | 2.1 1.4 | 16.3 0.7 | 1207 | SE | 146 | 0.05 | 20.93 | 0.073 0.009 | 245 69 | 0 0 |
| Kenwood (Wildwood) | 2/23/26 | 66.1 1.7 | 1349 | 50.8 6.4 | 0450 | 51.3 5.7 | 98 6 | 54 1 | 2.3 0.2 | 12.7 0.5 | 1234 | SW | 216 | 0.04 | 25.98 | 0.072 0.010 | 254 40 | - |
| Sonoma Valley (Bedrock) | 2/23/26 | 66.2 1.4 | 1353 | 48.2 7.2 | 0537 | 49.5 5.9 | 96 6 | 50 2 | - | - | - | - | 0.02 | 22.37 | - | - | - |
| Sonoma-West (Arnold) | 2/23/26 | 68.5 0.4 | 1358 | 46.3 6.9 | 0658 | 50.9 5.6 | 100 5 | 50 3 | 1.4 0.4 | 7.2 4.9 | 1202 | SE | 145 | 0.03 | 17.05 | 0.078 0.002 | 297 2 | - |
| Sonoma Valley HS | 2/23/26 | 67.2 2.2 | 1359 | 46.3 6.2 | 0641 | 52.0 5.1 | 100 1 | 56 1 | 1.2 0.2 | 7.0 2.8 | 1405 | SW | 227 | 0.01 | 5.26 | 0.071 0.012 | 273 59 | - |
| Sonoma East (Bundschu01) | 2/23/26 | 67.8 4.5 | 1403 | 44.6 2.3 | 0646 | 49.8 5.1 | 97 5 | 50 1 | 2.0 0.5 | 11.2 1.5 | 1333 | S | 186 | 0.02 | 16.91 | 0.080 0.015 | 293 71 | - |
| 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) | 2/23/26 | 70.4 6.5 | 1409 | 44.9 2.6 | 0647 | 49.9 5.3 | 96 3 | 47 0 | 1.0 1.0 | 11.5 0.7 | 1237 | SSE | 148 | 0.01 | 14.63 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 2/23/26 | 69.7 3.5 | 1405 | 44.7 2.2 | 0624 | 50.4 5.7 | 97 4 | 47 1 | 2.3 0.7 | 10.9 1.8 | 1215 | ESE | 104 | 0.01 | 18.43 | 0.082 0.001 | 305 2 | - |
| Carneros (Ranch 71) | 2/23/26 | 66.7 3.0 | 1413 | 51.0 3.6 | 0219 | 50.9 6.8 | 95 5 | 54 7 | 2.3 1.8 | 10.8 1.7 | 1238 | E | 99 | 0.01 | 15.83 | 0.077 0.003 | 293 14 | 0 0 |
| Carneros Upper (Ranch 81) | 2/23/26 | 68.6 3.5 | 1402 | 51.4 3.9 | 0708 | 50.3 7.0 | - | - | 3.1 2.2 | 12.1 6.6 | 2336 | S | 184 | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 2/23/26 | 69.2 4.3 | 1416 | 45.8 1.8 | 0633 | 38.6 6.2 | 100 8 | 0 46 | 1.0 0.6 | 7.7 4.4 | 1213 | SSE | 162 | 0.01 | 16.56 | 0.063 0.003 | 231 3 | 0 0 |
| Rohnert Park-West (Stony Point) | 2/23/26 | 65.9 7.8 | 1343 | 51.7 1.1 | 0435 | 53.0 4.8 | 99 7 | 61 2 | 1.9 1.3 | 12.1 2.0 | 1207 | SE | 124 | 0.05 | 5.21 | - | - | - |
| Cartograph Wines Base | 2/23/26 | 64.0 5.8 | 1341 | 51.6 2.2 | 0639 | 53.3 4.7 | 100 4 | 68 4 | 2.4 0.6 | 12.6 0.9 | 1203 | SE | 127 | 0.05 | 21.48 | 0.063 0.028 | 240 108 | - |
| Cartograph Wines Remote | 2/23/26 | 66.0 6.9 | 1153 | 50.5 2.1 | 0437 | - | - | - | - | - | - | - | - | - | - | - | - |
| Rice-Spivak Vineyard | 2/23/26 | 65.8 6.6 | 1341 | 49.8 1.6 | 0439 | - | - | - | - | - | - | - | - | - | - | - | - |
| Penngrove (Asellus) | 2/23/26 | 66.4 3.5 | 1342 | 48.9 1.6 | 0337 | 51.3 6.4 | 97 7 | 52 1 | 3.1 3.3 | 14.5 3.7 | 1347 | SE | 142 | 0.11 | 34.22 | - | - | 0 0 |
| Petaluma (Ranch 10) | 2/23/26 | 69.8 1.1 | 1332 | 49.5 2.0 | 0710 | 51.5 6.1 | 95 2 | 45 1 | 1.0 1.2 | 5.8 2.8 | 1222 | SE | 127 | 0.03 | 15.23 | 0.070 0.007 | 251 15 | 0 0 |
| Max | 70.4 | - | 51.7 | - | 53.3 | 100 | 68 | 3.1 | 16.3 | - | - | 0.11 | 34.22 | 0.082 | 305 | - | |
| Avg | - | - | - | - | 50.2 | - | - | 1.9 | - | - | - | - | - | - | - | - | |
| Min | 64.0 | - | 44.6 | - | 38.6 | 95 | 0 | 1.0 | 5.8 | - | - | 0.00 | 5.21 | 0.063 | 231 | - |