| 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) | 2/15/26 | 48.4 2.7 | 1507 | 45.9 4.1 | 0744 | 46.8 4.1 | 100 | 100 0 | 96 25 | 5.4 | 19.6 5.3 | 0540 | ESE | 116 | 2.31 | 32.23 | - | - | 0 0 |
| Rockpile Upper (Cooley) | 2/15/26 | 45.9 2.2 | 1527 | 43.0 3.3 | 0756 | 44.2 2.5 | 100 | 100 0 | 100 22 | 12.4 | 39.5 10.3 | 1103 | SE | 146 | 2.35 | 33.01 | 0.004 0.020 | 30 72 | 0 0 |
| Cloverdale-East (Ranch 83) | 2/15/26 | 53.5 1.9 | 1353 | 48.6 6.1 | 2358 | 45.7 1.8 | - | - | - | 4.6 | 22.5 4.6 | 0529 | SE | 132 | 1.56 | 27.36 | 0.019 0.025 | 58 72 | 0 0 |
| Cloverdale-SE (Ranch 38) | 2/15/26 | 52.0 3.0 | 1346 | 48.4 4.6 | 2358 | 48.3 3.7 | 95 | 98 0 | 89 19 | 7.0 | 24.3 0.5 | 0506 | SE | 145 | 1.65 | 28.93 | 0.015 0.027 | 53 77 | 0 0 |
| Geyserville-North (Hoffman) | 2/15/26 | 54.2 2.0 | 1236 | 49.3 7.5 | 1909 | 49.0 3.8 | 92 | 97 2 | 82 17 | 4.0 | 20.2 7.4 | 1512 | SSE | 167 | 0.00 | 25.50 | 0.015 0.025 | 37 75 | 0 0 |
| Geyserville (Ranch 3) | 2/15/26 | 53.6 2.6 | 1232 | 49.2 5.7 | 1908 | 50.2 5.2 | 98 | 100 0 | 82 20 | 3.8 | 23.8 8.2 | 1510 | SE | 128 | 2.05 | 28.17 | 0.011 0.030 | 40 85 | 0 0 |
| Geyserville-East (Ranch 40) | 2/15/26 | 52.5 1.1 | 1316 | 47.8 3.7 | 1911 | 47.5 2.7 | 92 | 99 0 | 80 8 | 12.0 | 29.9 1.5 | 0404 | SSE | 150 | 2.24 | 28.76 | 0.023 0.018 | 51 79 | 0 0 |
| Geyserville-South (Nervo Station) | 2/15/26 | 53.0 2.4 | 1230 | 48.7 4.4 | 1855 | - | - | - | - | 3.1 | 21.9 7.7 | 1809 | SW | 224 | 1.78 | 21.90 | - | - | 0 0 |
| Jimtown-North (Piccolo Ranch 15) | 2/15/26 | 55.3 1.4 | 1314 | 50.1 7.5 | 0136 | 47.9 4.0 | 87 | 100 0 | 71 12 | 3.3 | 15.4 3.7 | 1118 | SSE | 148 | 1.71 | 25.94 | 0.023 0.012 | 55 54 | 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) | 2/15/26 | 54.8 2.3 | 1311 | 49.8 8.1 | 2325 | 48.6 3.3 | 90 | 97 0 | 76 13 | 4.0 | 16.6 6.5 | 1106 | ENE | 70 | 1.63 | 24.92 | 0.020 0.011 | 46 45 | 0 0 |
| N Chalk Hill Rd (Ranch 63) | 2/15/26 | 54.0 2.6 | 1313 | 48.5 7.0 | 2318 | 48.0 3.6 | 92 | 100 0 | 78 16 | 3.9 | 13.0 0.2 | 0548 | E | 93 | 1.79 | 26.43 | 0.018 0.019 | 46 64 | 0 0 |
| Knights Valley (Bavarian Lion) | 2/15/26 | 53.8 1.7 | 1244 | 48.4 4.7 | 2330 | 47.2 2.6 | 89 | 97 0 | 75 15 | 4.9 | 15.0 3.2 | 1113 | SE | 135 | 1.31 | 24.71 | 0.026 0.010 | 72 52 | - |
| Upper Dry Creek Valley | 2/11/26 | 59.8 0.2 | 1310 | 49.1 13.2 | 0016 | 50.4 6.6 | 92 | 98 0 | 63 19 | 2.4 | 15.7 6.0 | 1313 | E | 85 | 0.62 | 28.48 | 0.029 0.003 | 100 3 | - |
| Lower Dry Creek Valley | 2/15/26 | 54.1 2.3 | 1323 | 49.9 7.8 | 0139 | 50.8 5.2 | 99 | 100 0 | 85 22 | 0.1 | 10.2 3.4 | 0410 | ESE | 115 | 2.14 | 30.09 | 0.012 0.029 | 43 94 | 0 0 |
| Max | 55.3 | - | 50.1 | - | 50.8 | 100 | 100 | 100 | 12.4 | 39.5 | - | - | 2.35 | 33.01 | 0.026 | 72 | - | |
| Avg | - | - | - | - | 47.8 | 94 | - | - | 5.3 | - | - | - | - | - | - | - | - | |
| Min | 45.9 | - | 43.0 | - | 44.2 | 87 | 97 | 71 | 0.1 | 10.2 | - | - | 0.00 | 21.90 | 0.004 | 30 | - |
| 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) | 2/15/26 | 55.5 1.2 | 1210 | 49.8 5.7 | 0700 | 46.8 1.6 | 84 | 86 2 | 82 11 | 2.3 | 17.9 5.8 | 1802 | 1.80 | 25.96 | 0.022 0.017 | 60 91 | 0 |
| Windsor-East (Ranch 16) | 2/15/26 | 56.3 0.2 | 1258 | 50.0 6.8 | 0200 | 48.6 3.2 | 88 | 96 4 | 71 6 | 5.2 | 17.7 7.5 | 1142 | 1.44 | 19.14 | 0.028 0.012 | 69 58 | 0 |
| Mark West-North (Ranch 14) | 2/15/26 | 56.5 0.0 | 1152 | 50.0 7.0 | 0151 | 48.8 3.9 | 90 | 97 1 | 70 8 | 2.9 | 11.7 1.3 | 1317 | 1.49 | 20.91 | 0.009 0.003 | 0 0 | 0 |
| Windsor-SE (Silk Rd) | 2/15/26 | 56.4 0.4 | 1239 | 49.8 8.3 | 2344 | 49.3 3.8 | 91 | 98 1 | 71 7 | 2.9 | 17.5 6.1 | 1314 | 1.86 | 17.85 | 0.020 0.022 | 56 89 | 0 |
| Fulton-NW (Ranch 5) | 2/15/26 | 56.3 0.1 | 1201 | 49.9 7.6 | 0055 | 49.1 23.3 | 90 | 100 0 | 73 70 | 4.8 | 20.5 6.9 | 1301 | 1.52 | 21.00 | 0.024 0.018 | 64 77 | 0 |
| Windsor-South (Laughlin Rd) | 2/14/26 | 56.6 9.2 | 1350 | 42.5 5.3 | 0104 | 40.6 14.3 | 79 | 100 0 | 0 0 | - | - | - | 0.03 | 19.45 | - | - | - |
| Fulton-SE (Barnes Rd) | 2/15/26 | 56.4 0.2 | 1258 | 50.6 8.2 | 0703 | 48.9 3.8 | 88 | 96 1 | 72 8 | 2.1 | 19.4 7.6 | 1301 | 1.37 | 19.95 | - | - | - |
| Fulton-SW (Ranch 21) | 2/15/26 | 56.2 0.3 | 1257 | 49.8 7.8 | 0130 | 37.5 28.6 | 80 | 100 0 | 0 0 | 5.4 | 19.9 5.3 | 1326 | 1.53 | 20.52 | 0.032 0.011 | 71 87 | - |
| Santa Rosa-NW (Goldfields) | 2/15/26 | 56.9 0.4 | 1255 | 49.9 7.6 | 0131 | 49.1 3.4 | 90 | 100 0 | 69 5 | 5.8 | 23.1 9.3 | 1310 | 1.63 | 21.60 | 0.026 0.014 | 60 71 | - |
| Goldfields Remote | 2/15/26 | 57.1 0.7 | 1254 | 49.8 8.3 | 2323 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| NW Santa Rosa (Piner Road) | 2/15/26 | 56.9 0.6 | 1256 | 49.6 8.4 | 2333 | 50.8 3.9 | 96 | 100 0 | 75 5 | 4.3 | 17.7 5.5 | 1308 | 1.62 | 18.85 | - | - | 0 |
| River Rd South (Denner Ranch) | 2/15/26 | 56.2 0.6 | 1254 | 48.8 8.2 | 2358 | 50.6 4.3 | 97 | 100 0 | 72 4 | 6.2 | 23.7 7.7 | 1303 | - | - | - | - | 0 |
| West Santa Rosa (LOV Vineyard) | 2/15/26 | 57.0 0.4 | 1244 | 49.4 7.4 | 2349 | 49.0 3.7 | 90 | 97 3 | 68 5 | 1.6 | 14.2 0.2 | 1836 | 0.00 | 15.81 | 0.006 0.004 | 1 0 | 0 |
| Guerneville Rd (Prokopakis) | 2/15/26 | 56.8 0.1 | 1248 | 49.6 7.2 | 2347 | 49.4 3.6 | 91 | 99 1 | 71 8 | - | - | - | 1.70 | 19.89 | - | - | 0 |
| Guerneville Rd West (Balletto) | 2/15/26 | 57.1 0.7 | 1245 | 49.8 7.2 | 2335 | 50.0 3.6 | 93 | 99 1 | 74 5 | 5.2 | 19.2 5.2 | 1304 | 1.63 | 19.63 | - | - | 0 |
| Sanchietti Ranch | 2/15/26 | 57.8 0.2 | 1234 | 50.8 8.1 | 2324 | 50.7 3.6 | - | 97 2 | 78 7 | 5.8 | 22.4 6.6 | 1113 | 1.62 | 20.45 | - | - | - |
| Occidental Rd (Sebastopol) | 2/15/26 | 56.8 0.2 | 1238 | 48.8 7.6 | 2340 | 51.5 2.5 | 100 | 100 0 | 100 0 | 2.9 | 16.0 0.7 | 0958 | 0.01 | 6.85 | - | - | 0 |
| Lower Westside Rd (Ranch 12) | 2/15/26 | 56.0 1.8 | 1258 | 50.0 6.1 | 0720 | 49.4 4.2 | 92 | 97 0 | 74 13 | 1.4 | 9.6 0.7 | 1314 | 1.70 | 25.18 | - | - | 0 |
| Guerneville (Laughlin Rd) | 2/15/26 | 53.9 2.5 | 1202 | 49.8 2.6 | 0013 | 49.9 3.0 | 95 | 98 0 | 86 21 | 1.0 | 9.0 5.3 | 1459 | 1.80 | 34.20 | - | - | - |
| Korbel (Winery) | 2/15/26 | 54.6 1.8 | 1212 | 50.4 4.6 | 0119 | 49.7 2.9 | 93 | 98 2 | 79 15 | 3.4 | 16.0 5.4 | 0439 | 2.03 | 31.91 | - | - | - |
| Forestville (Shone Farms) | 2/15/26 | 57.2 0.6 | 1306 | 48.1 5.3 | 0634 | 49.1 3.6 | 92 | 98 0 | 76 10 | 3.6 | 17.4 3.9 | 1139 | 1.81 | 26.82 | 0.020 0.016 | 57 60 | 0 |
| Forestville-NE (Ranch 30) | 2/15/26 | 55.4 0.2 | 1256 | 48.8 6.5 | 0656 | 49.6 3.3 | 96 | 99 1 | 81 9 | 4.3 | 18.5 2.6 | 1309 | 1.76 | 25.16 | 0.018 0.016 | 62 57 | - |
| Green Valley Vineyard | 2/15/26 | 54.7 0.8 | 1242 | 49.2 7.5 | 0001 | 49.3 3.8 | 94 | 98 1 | 79 13 | 2.4 | 14.7 0.0 | 1333 | 2.25 | 30.76 | 0.004 0.005 | 0 0 | - |
| Green Valley (Sanchietti) | 2/15/26 | 56.8 0.5 | 1238 | 50.3 9.1 | 0058 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| Keefer Ranch (Green Valley) | 2/15/26 | 55.7 0.5 | 1247 | 50.0 10.4 | 0001 | 50.1 4.1 | 94 | 97 1 | 81 11 | - | - | - | 2.06 | 27.58 | - | - | - |
| Graton-South (Mill Station Rd) | 2/15/26 | 56.0 0.0 | 1234 | 49.6 8.5 | 0714 | 49.8 4.5 | 94 | 99 0 | 76 12 | 1.5 | 11.3 3.2 | 1009 | 1.96 | 24.72 | - | - | 0 |
| Occidental (Horseshoe Bend) | 2/15/26 | 52.1 1.3 | 1158 | 48.8 4.5 | 2342 | 49.0 3.5 | - | 100 3 | 87 17 | - | - | - | 0.02 | 16.23 | - | - | - |
| Sexton Valley (Jacqueline's Blk) | 2/15/26 | 55.8 0.8 | 1232 | 50.1 8.9 | 0727 | 50.3 4.4 | 95 | 99 0 | 82 13 | 2.0 | 11.1 0.7 | 1101 | 1.95 | 10.38 | - | - | 0 |
| Sebastopol Hills (Burnside Rd) | 2/15/26 | 54.2 0.1 | 1234 | 48.8 4.5 | 0727 | 49.7 3.2 | 98 | 100 0 | 88 13 | 1.8 | 13.6 1.8 | 1442 | 1.54 | 24.00 | - | - | 0 |
| Seaview/Fort Ross (Hirsch) | 2/15/26 | 48.6 1.0 | 1419 | 44.6 2.5 | 2359 | 46.4 2.8 | 97 | 97 0 | 92 14 | 7.3 | 32.8 14.2 | 0959 | 1.89 | 41.33 | 0.012 0.018 | 46 79 | - |
| Max | 57.8 | - | 50.8 | - | 51.5 | 100 | 100 | 100 | 7.3 | 32.8 | - | 2.25 | 41.33 | 0.032 | 71 | - | |
| Avg | - | - | - | - | 48.7 | 92 | - | - | 3.6 | - | - | - | - | - | - | - | |
| Min | 48.6 | - | 42.5 | - | 37.5 | 79 | 86 | 0 | 1.0 | 9.0 | - | 0.00 | 6.85 | 0.004 | 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 | 2/15/26 | 52.7 0.1 | 1247 | 47.5 5.6 | 2128 | 46.0 2.3 | 97 1 | 73 5 | 4.9 2.7 | 21.6 5.5 | 1857 | S | 173 | 0.00 | 5.41 | 0.028 0.004 | 81 39 | - |
| Lower Bennett Valley | 2/15/26 | 56.4 0.2 | 1237 | 49.6 11.9 | 2058 | 48.3 3.6 | 100 0 | 71 5 | 4.8 2.3 | 17.8 4.4 | 0824 | SW | 217 | 1.09 | 19.21 | 0.035 0.006 | 109 41 | 0 0 |
| Kenwood (Wildwood) | 2/15/26 | 55.0 1.6 | 1225 | 48.1 10.7 | 0701 | 49.2 4.2 | 100 0 | 82 17 | 3.1 0.2 | 14.4 0.5 | 1835 | SSW | 206 | 1.90 | 23.73 | 0.030 0.011 | 120 29 | - |
| Sonoma Valley (Bedrock) | 2/15/26 | 55.1 1.3 | 1506 | 47.9 10.2 | 0419 | 48.0 4.5 | 97 1 | 76 15 | - | - | - | - | 1.82 | 19.62 | - | - | - |
| Sonoma-West (Arnold) | 2/15/26 | 58.2 0.3 | 1436 | 48.6 9.4 | 0407 | 49.5 4.2 | 100 0 | 72 7 | 1.9 0.5 | 12.2 1.6 | 1510 | SSW | 206 | 0.66 | 15.47 | 0.031 0.015 | 116 49 | - |
| Sonoma Valley HS | 2/15/26 | 57.0 0.1 | 1211 | 49.3 9.6 | 0407 | 51.0 4.4 | 100 0 | 74 3 | 1.7 0.0 | 8.7 1.8 | 1545 | SE | 133 | 0.00 | 5.19 | 0.027 0.012 | 104 47 | - |
| Sonoma East (Bundschu01) | 2/15/26 | 58.6 1.2 | 1441 | 50.4 10.7 | 2054 | 48.1 3.1 | 94 4 | 61 4 | 4.3 1.6 | 19.7 6.4 | 1755 | ESE | 117 | 1.46 | 13.72 | 0.040 0.003 | 106 44 | - |
| 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) | 2/15/26 | 59.7 0.0 | 1139 | 49.8 9.6 | 0356 | 48.4 3.1 | 94 2 | 61 2 | 2.2 0.5 | 12.1 0.3 | 1522 | SSE | 158 | 0.98 | 12.29 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 2/15/26 | 57.9 0.8 | 1144 | 49.7 8.9 | 0349 | 48.7 3.4 | 96 1 | 70 7 | 4.4 1.0 | 15.6 0.6 | 1458 | S | 177 | 1.08 | 15.49 | 0.036 0.011 | 104 56 | - |
| Carneros (Ranch 71) | 2/15/26 | 56.7 0.2 | 1449 | 49.5 3.6 | 2056 | 48.1 1.8 | 97 3 | 70 1 | 5.4 1.9 | 13.8 2.4 | 1530 | SE | 133 | 0.96 | 13.42 | 0.036 0.004 | 100 37 | 0 0 |
| Carneros Upper (Ranch 81) | 2/15/26 | 57.0 0.4 | 1437 | 49.3 4.0 | 0350 | 29.4 14.1 | - | - | 5.5 0.5 | 24.0 4.7 | 1951 | WSW | 237 | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 2/15/26 | 57.4 0.6 | 1453 | 49.2 5.7 | 0401 | 33.1 11.3 | 100 0 | 0 0 | 1.6 0.2 | 15.3 3.9 | 1524 | S | 184 | 0.79 | 14.11 | 0.029 0.002 | 78 31 | 0 0 |
| Rohnert Park-West (Stony Point) | 2/15/26 | 57.1 0.6 | 1231 | 49.6 10.5 | 2312 | 50.1 4.8 | 99 1 | 77 6 | 5.3 3.0 | 19.2 5.4 | 0922 | ESE | 115 | 1.36 | 3.51 | - | - | - |
| Cartograph Wines Base | 2/15/26 | 56.2 0.6 | 1227 | 48.9 7.4 | 2356 | 50.1 3.3 | 100 0 | 83 8 | 4.9 1.9 | 18.8 3.9 | 1300 | ESE | 106 | 1.30 | 19.64 | 0.026 0.012 | 112 47 | - |
| Cartograph Wines Remote | 2/15/26 | 58.0 0.2 | 1224 | 48.9 9.6 | 2314 | - | - | - | - | - | - | - | - | - | - | - | - |
| Rice-Spivak Vineyard | 2/15/26 | 58.1 0.9 | 1224 | 48.4 13.5 | 2357 | - | - | - | - | - | - | - | - | - | - | - | - |
| Penngrove (Asellus) | 2/15/26 | 58.3 1.5 | 1215 | 50.3 11.3 | 2200 | 48.3 3.9 | 96 2 | 66 4 | 8.7 5.1 | 22.2 7.7 | 1837 | SE | 127 | 0.00 | 23.93 | - | - | 0 0 |
| Petaluma (Ranch 10) | 2/15/26 | 57.5 1.3 | 1450 | 49.8 8.9 | 0632 | 49.8 4.3 | 100 0 | 75 16 | 2.8 1.4 | 9.9 1.7 | 1518 | SSE | 156 | 1.40 | 13.32 | 0.030 0.010 | 109 42 | 0 0 |
| Max | 59.7 | - | 50.4 | - | 51.0 | 100 | 83 | 8.7 | 24.0 | - | - | 1.90 | 23.93 | 0.040 | 120 | - | |
| Avg | - | - | - | - | 46.6 | - | - | 4.1 | - | - | - | - | - | - | - | - | |
| Min | 52.7 | - | 47.5 | - | 29.4 | 94 | 0 | 1.6 | 8.7 | - | - | 0.00 | 3.51 | 0.026 | 78 | - |