| 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) | 2/22/26 | 51.1 1.2 | 1541 | 43.4 6.3 | 0549 | 46.4 9.6 | 96 | 100 14 | 78 20 | - | 15.7 5.1 | 0031 | ESE | 116 | 0.71 | 34.31 | - | - | 0 0 |
| Rockpile Upper (Cooley) | 2/22/26 | 48.8 2.2 | 1608 | 40.4 5.9 | 0551 | 44.3 8.8 | 98 | 100 8 | 86 24 | 10.8 | 30.9 12.9 | 0009 | SE | 143 | 0.69 | 35.01 | 0.019 0.026 | 111 23 | 0 0 |
| Cloverdale-East (Ranch 83) | 2/22/26 | 55.0 1.2 | 1536 | 46.2 14.7 | 0641 | 35.5 18.7 | - | - | - | 3.1 | 13.9 9.6 | 1616 | SE | 138 | 0.48 | 29.22 | 0.033 0.037 | 105 86 | 0 0 |
| Cloverdale-SE (Ranch 38) | 2/22/26 | 54.0 0.3 | 1433 | 45.5 10.4 | 0650 | 48.3 9.6 | 93 | 99 5 | 68 12 | 5.9 | 18.2 10.2 | 0103 | SE | 141 | 0.52 | 30.80 | 0.027 0.042 | 112 80 | 0 0 |
| Geyserville-North (Hoffman) | 2/22/26 | 56.0 1.3 | 1315 | 47.0 15.7 | 0519 | 48.9 11.1 | 89 | 97 1 | 67 16 | 3.0 | 9.2 11.8 | 0319 | SSE | 150 | 0.00 | 25.50 | 0.030 0.032 | 93 68 | 0 0 |
| Geyserville (Ranch 3) | 2/22/26 | 55.4 1.6 | 1409 | 47.2 14.1 | 0511 | 49.5 11.5 | 92 | 100 0 | 65 18 | 2.9 | 9.9 10.3 | 0541 | SE | 139 | 0.54 | 30.18 | 0.030 0.034 | 104 77 | 0 0 |
| Geyserville-East (Ranch 40) | 2/22/26 | 54.2 1.0 | 1403 | 46.8 10.6 | 0731 | 48.0 9.7 | 90 | 99 8 | 67 11 | 8.2 | 23.6 10.8 | 0544 | ESE | 114 | 0.37 | 30.65 | 0.037 0.038 | 129 72 | 0 0 |
| Geyserville-South (Nervo Station) | 2/22/26 | 55.8 1.9 | 1348 | 46.5 12.5 | 0731 | - | - | - | - | 1.7 | 9.5 10.4 | 0310 | SSE | 147 | 0.46 | 23.45 | - | - | 0 0 |
| Jimtown-North (Piccolo Ranch 15) | 2/22/26 | 58.0 0.3 | 1400 | 47.8 16.0 | 0730 | 48.1 11.3 | 85 | 100 0 | 60 17 | 1.7 | 9.4 10.3 | 0132 | E | 80 | 0.29 | 27.74 | 0.033 0.031 | 110 96 | 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) | 2/22/26 | 57.7 2.4 | 1322 | 47.3 16.0 | 0533 | 48.5 11.5 | 86 | 97 3 | 62 19 | 2.2 | 13.9 4.6 | 0320 | ENE | 61 | 0.14 | 26.55 | 0.032 0.036 | 110 107 | 0 0 |
| N Chalk Hill Rd (Ranch 63) | 2/22/26 | 56.4 2.0 | 1401 | 46.5 16.1 | 0751 | 47.0 10.7 | 87 | 100 0 | 63 19 | 2.1 | 12.2 6.4 | 0029 | E | 87 | 0.18 | 27.94 | 0.033 0.039 | 114 87 | 0 0 |
| Knights Valley (Bavarian Lion) | 2/22/26 | 57.2 1.3 | 1148 | 45.4 16.5 | 0556 | 47.0 11.5 | 85 | 97 1 | 63 19 | 2.5 | 10.3 6.4 | 0349 | SE | 146 | 0.08 | 26.37 | 0.047 0.030 | 178 83 | - |
| Upper Dry Creek Valley | 2/20/26 | 54.5 2.3 | 1527 | 31.4 3.8 | 0700 | 33.2 1.8 | 78 | 97 0 | 35 9 | 1.7 | 11.1 13.3 | 1432 | SE | 135 | 0.00 | 32.03 | 0.066 | 296 | - |
| Lower Dry Creek Valley | 2/22/26 | 56.2 1.1 | 1250 | 46.9 14.5 | 0650 | 49.6 11.4 | 93 | 100 0 | 71 23 | 2.0 | 8.7 12.6 | 0055 | SE | 138 | 0.53 | 32.01 | 0.032 0.033 | 117 71 | 0 0 |
| Max | 58.0 | - | 47.8 | - | 49.6 | 98 | 100 | 86 | 10.8 | 30.9 | - | - | 0.71 | 35.01 | 0.047 | 178 | - | |
| Avg | - | - | - | - | 46.8 | 90 | - | - | 3.8 | - | - | - | - | - | - | - | - | |
| Min | 48.8 | - | 40.4 | - | 35.5 | 85 | 97 | 60 | 1.7 | 8.7 | - | - | 0.00 | 23.45 | 0.019 | 93 | - |
| 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) | 2/22/26 | 59.0 0.3 | 1319 | 47.1 13.1 | 0722 | 47.2 7.8 | 84 | 88 2 | 74 20 | 1.2 | 9.5 7.4 | 0022 | 0.18 | 27.51 | 0.038 0.023 | 151 87 | 0 |
| Windsor-East (Ranch 16) | 2/22/26 | 58.2 1.0 | 1324 | 47.7 16.2 | 0706 | 48.3 10.8 | 84 | 95 5 | 62 17 | 2.5 | 12.7 8.0 | 0027 | 0.04 | 20.50 | 0.041 0.038 | 143 110 | 0 |
| Mark West-North (Ranch 14) | 2/22/26 | 58.6 1.2 | 1345 | 47.7 15.7 | 0733 | 48.2 10.8 | 84 | 95 2 | 62 19 | 0.9 | 8.0 6.7 | 0041 | 0.04 | 22.27 | 0.006 0.020 | 0 0 | 0 |
| Windsor-SE (Silk Rd) | 2/22/26 | 57.8 0.9 | 1320 | 47.4 15.7 | 0717 | 49.1 10.8 | 89 | 98 1 | 67 19 | 1.2 | 7.9 9.3 | 0611 | 0.12 | 19.45 | 0.038 0.026 | 159 68 | 0 |
| Fulton-NW (Ranch 5) | 2/22/26 | 57.6 1.8 | 1345 | 47.8 15.9 | 0732 | 48.7 17.6 | 86 | 96 4 | 66 63 | 2.3 | 9.0 8.0 | 0131 | 0.04 | 22.54 | 0.043 0.032 | 169 90 | 0 |
| Windsor-South (Laughlin Rd) | 2/21/26 | 59.0 4.0 | 1408 | 32.5 2.8 | 0347 | 38.2 4.2 | 76 | 100 6 | 48 5 | - | - | - | 0.00 | 22.53 | - | - | - |
| Fulton-SE (Barnes Rd) | 2/22/26 | 60.4 2.0 | 1324 | 47.8 15.8 | 0711 | 48.6 10.4 | 83 | 94 2 | 64 15 | 2.0 | 10.8 5.0 | 0101 | 0.02 | 21.54 | - | - | - |
| Fulton-SW (Ranch 21) | 2/22/26 | 58.2 0.6 | 1312 | 47.0 15.1 | 0736 | 48.4 34.4 | 86 | 100 0 | 66 65 | 2.4 | 13.1 7.2 | 0203 | 0.03 | 22.07 | 0.047 0.029 | 188 82 | - |
| Santa Rosa-NW (Goldfields) | 2/22/26 | 60.4 0.6 | 1317 | 47.5 14.9 | 0737 | 48.7 10.1 | 84 | 96 4 | 64 18 | 2.9 | 14.0 6.0 | 0129 | 0.04 | 23.36 | 0.044 0.026 | 155 59 | - |
| Goldfields Remote | 2/22/26 | 58.9 0.3 | 1327 | 47.4 16.0 | 0729 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| NW Santa Rosa (Piner Road) | 2/22/26 | 58.1 0.2 | 1330 | 47.3 16.0 | 0740 | 50.9 11.0 | 92 | 100 0 | 69 15 | 1.6 | 10.6 5.3 | 0121 | 0.04 | 20.54 | - | - | 0 |
| River Rd South (Denner Ranch) | 2/22/26 | 59.2 0.7 | 1332 | 47.3 15.7 | 0723 | 50.3 11.4 | 92 | 100 0 | 67 18 | 2.7 | 12.1 19.7 | 0137 | - | - | - | - | 0 |
| West Santa Rosa (LOV Vineyard) | 2/22/26 | 57.5 2.0 | 1603 | 47.4 15.6 | 0729 | 48.6 10.4 | 85 | 95 5 | 64 19 | 1.5 | 7.9 10.3 | 0133 | 0.01 | 15.86 | 0.007 0.013 | 1 1 | 0 |
| Guerneville Rd (Prokopakis) | 2/22/26 | 58.1 0.5 | 1340 | 47.5 14.4 | 0730 | 49.2 10.2 | 87 | 98 2 | 66 18 | - | - | - | 0.10 | 21.60 | - | - | 0 |
| Guerneville Rd West (Balletto) | 2/22/26 | 57.1 1.8 | 1328 | 47.6 15.8 | 0735 | 49.9 10.2 | 90 | 98 2 | 70 16 | 2.5 | 11.4 12.0 | 0127 | 0.07 | 21.25 | - | - | 0 |
| Sanchietti Ranch | 2/22/26 | 58.4 1.0 | 1627 | 48.8 15.4 | 0733 | 50.4 9.2 | - | 94 5 | 75 18 | 2.8 | 11.1 10.2 | 0107 | 0.04 | 22.28 | - | - | - |
| Occidental Rd (Sebastopol) | 2/22/26 | 57.4 3.5 | 1603 | 47.5 15.6 | 0717 | 52.5 8.1 | 100 | 100 0 | 100 31 | 2.1 | 9.0 12.9 | 0815 | 0.00 | 6.88 | - | - | 0 |
| Lower Westside Rd (Ranch 12) | 2/22/26 | 61.1 1.9 | 1344 | 47.4 13.7 | 0724 | 49.0 10.7 | 87 | 96 1 | 67 23 | 0.0 | 0.0 0.1 | 0001 | 0.18 | 26.66 | - | - | 0 |
| Guerneville (Laughlin Rd) | 2/22/26 | 55.4 1.0 | 1510 | 46.9 12.5 | 0654 | 49.0 9.3 | 94 | 98 1 | 76 24 | 0.7 | 5.5 12.6 | 0309 | 0.69 | 36.57 | - | - | - |
| Korbel (Winery) | 2/22/26 | 55.5 1.3 | 1459 | 47.3 11.6 | 0709 | 49.3 9.3 | 92 | 100 0 | 69 18 | 1.0 | 9.4 7.5 | 0126 | 0.64 | 34.12 | - | - | - |
| Forestville (Shone Farms) | 2/22/26 | 57.3 1.2 | 1327 | 45.8 14.9 | 0538 | 48.9 10.3 | 90 | 98 0 | 68 18 | 1.6 | 8.4 12.2 | 0324 | 0.20 | 28.58 | 0.038 0.022 | 148 48 | 0 |
| Forestville-NE (Ranch 30) | 2/22/26 | 56.9 0.7 | 1301 | 46.1 13.6 | 0638 | 49.6 9.9 | 94 | 100 0 | 76 19 | 1.3 | 7.2 14.8 | 0804 | 0.22 | 26.85 | 0.037 0.023 | 152 48 | - |
| Green Valley Vineyard | 2/22/26 | 56.1 2.8 | 1547 | 45.9 13.1 | 0717 | 48.6 9.7 | 90 | 97 1 | 73 23 | 1.2 | 8.1 11.8 | 1503 | 0.43 | 33.12 | 0.233 0.131 | 972 553 | - |
| Green Valley (Sanchietti) | 2/22/26 | 57.7 2.4 | 1548 | 47.2 15.8 | 0517 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| Keefer Ranch (Green Valley) | 2/22/26 | 56.5 3.5 | 1552 | 47.0 16.1 | 0523 | 49.5 10.1 | 92 | 98 2 | 76 21 | - | - | - | 0.32 | 29.53 | - | - | - |
| Graton-South (Mill Station Rd) | 2/22/26 | 56.7 2.4 | 1548 | 46.8 16.7 | 0730 | 49.3 11.3 | 91 | 99 0 | 71 23 | 0.3 | 5.3 7.1 | 0227 | 0.24 | 26.98 | - | - | 0 |
| Occidental (Horseshoe Bend) | 2/22/26 | 53.7 2.2 | 1543 | 45.5 5.8 | 0717 | 47.5 7.9 | - | 98 12 | 74 19 | - | - | - | 0.00 | 16.29 | - | - | - |
| Sexton Valley (Jacqueline's Blk) | 2/22/26 | 56.6 2.2 | 1544 | 47.3 17.2 | 0718 | 50.0 10.9 | 94 | 98 1 | 78 24 | 0.7 | 5.3 10.2 | 1415 | 0.42 | 13.28 | - | - | 0 |
| Sebastopol Hills (Burnside Rd) | 2/22/26 | 56.0 0.1 | 1557 | 46.0 9.9 | 0706 | 49.0 8.4 | 93 | 99 2 | 79 22 | 0.7 | 6.9 15.0 | 0056 | 0.28 | 26.19 | - | - | 0 |
| Seaview/Fort Ross (Hirsch) | 2/22/26 | 50.6 2.5 | 2347 | 44.0 6.5 | 0445 | 46.0 6.8 | 96 | 97 5 | 86 13 | 6.8 | 27.9 2.7 | 0101 | 1.15 | 43.98 | 0.024 0.013 | 99 42 | - |
| Max | 61.1 | - | 48.8 | - | 52.5 | 100 | 100 | 100 | 6.8 | 27.9 | - | 1.15 | 43.98 | 0.233 | 972 | - | |
| Avg | - | - | - | - | 49.1 | 89 | - | - | 1.8 | - | - | - | - | - | - | - | |
| Min | 50.6 | - | 44.0 | - | 46.0 | 83 | 88 | 62 | 0.0 | 0.0 | - | 0.00 | 6.88 | 0.006 | 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 | 2/22/26 | 58.8 4.3 | 1428 | 46.9 11.5 | 0714 | 44.0 8.3 | 95 8 | 56 10 | 2.8 0.8 | 14.6 3.3 | 0143 | E | 101 | 0.00 | 5.41 | 0.057 0.009 | 183 66 | - |
| Lower Bennett Valley | 2/22/26 | 64.9 8.4 | 1311 | 49.9 20.3 | 0248 | 45.3 7.5 | 90 10 | 52 2 | 3.4 0.8 | 15.6 0.3 | 0347 | ESE | 107 | 0.00 | 20.88 | 0.064 0.003 | 176 59 | 0 0 |
| Kenwood (Wildwood) | 2/22/26 | 64.4 6.4 | 1350 | 44.4 13.2 | 0228 | 45.6 8.0 | 92 8 | 53 5 | 2.4 0.5 | 12.2 3.5 | 1239 | SSW | 192 | 0.00 | 25.94 | 0.062 0.009 | 214 74 | - |
| Sonoma Valley (Bedrock) | 2/22/26 | 64.9 6.1 | 1416 | 41.0 11.7 | 0336 | 43.5 7.8 | 90 8 | 48 3 | - | - | - | - | 0.00 | 22.35 | - | - | - |
| Sonoma-West (Arnold) | 2/22/26 | 68.8 8.2 | 1456 | 39.4 7.8 | 0222 | 45.2 7.4 | 95 5 | 46 1 | 1.8 0.4 | 12.1 4.2 | 1416 | S | 177 | 0.03 | 17.02 | 0.080 0.001 | 300 45 | - |
| Sonoma Valley HS | 2/22/26 | 65.0 5.9 | 1458 | 40.1 8.5 | 0308 | 47.0 7.6 | 99 1 | 57 3 | 1.4 0.3 | 9.9 3.3 | 1555 | SSW | 200 | 0.02 | 5.25 | 0.059 0.011 | 214 96 | - |
| Sonoma East (Bundschu01) | 2/22/26 | 63.3 4.0 | 1515 | 42.4 10.5 | 0305 | 44.6 7.4 | 92 4 | 50 3 | 2.4 0.6 | 12.7 3.3 | 1518 | S | 170 | 0.00 | 16.89 | 0.065 0.017 | 223 122 | - |
| 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) | 2/22/26 | 63.9 3.5 | 1511 | 42.3 10.1 | 0250 | 44.6 7.1 | 93 3 | 47 2 | 2.0 0.3 | 10.8 2.7 | 1513 | S | 188 | 0.00 | 14.62 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 2/22/26 | 66.2 6.1 | 1517 | 42.5 9.8 | 0324 | 44.6 6.6 | 93 4 | 46 1 | 3.0 0.5 | 12.7 1.4 | 1448 | S | 189 | 0.00 | 18.42 | 0.083 0.001 | 307 52 | - |
| Carneros (Ranch 71) | 2/22/26 | 63.7 5.1 | 1244 | 47.4 11.2 | 0517 | 44.1 5.5 | 90 2 | 46 1 | 4.0 0.2 | 12.4 0.7 | 0010 | E | 95 | 0.00 | 15.82 | 0.080 0.004 | 279 45 | 0 0 |
| Carneros Upper (Ranch 81) | 2/22/26 | 65.0 5.2 | 1315 | 47.4 9.8 | 0220 | 43.3 5.4 | - | - | 5.3 0.6 | 18.6 0.6 | 1606 | SW | 215 | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 2/22/26 | 64.9 5.3 | 1308 | 44.0 10.2 | 0311 | 44.8 6.1 | 92 8 | 47 0 | 1.6 0.1 | 12.1 0.8 | 1357 | S | 172 | 0.00 | 16.55 | 0.066 0.002 | 235 26 | 0 0 |
| Rohnert Park-West (Stony Point) | 2/22/26 | 58.2 0.2 | 1649 | 50.6 19.2 | 0343 | 48.1 8.7 | 92 7 | 63 7 | 3.2 0.8 | 14.1 6.4 | 0004 | ESE | 121 | 0.00 | 5.16 | - | - | - |
| Cartograph Wines Base | 2/22/26 | 58.2 0.5 | 1637 | 49.4 15.0 | 0512 | 48.6 7.3 | 96 4 | 72 16 | 3.0 1.5 | 13.5 11.0 | 0426 | SE | 131 | 0.02 | 21.43 | 0.035 0.030 | 132 144 | - |
| Cartograph Wines Remote | 2/22/26 | 59.1 0.5 | 1555 | 48.4 16.9 | 0644 | - | - | - | - | - | - | - | - | - | - | - | - |
| Rice-Spivak Vineyard | 2/22/26 | 59.2 2.1 | 1555 | 48.3 20.2 | 2020 | - | - | - | - | - | - | - | - | - | - | - | - |
| Penngrove (Asellus) | 2/22/26 | 62.9 4.8 | 1323 | 50.4 16.7 | 0325 | 45.0 6.5 | 90 5 | 51 6 | 6.4 0.3 | 18.2 0.3 | 0030 | E | 100 | 4.98 | 34.11 | - | - | 0 0 |
| Petaluma (Ranch 10) | 2/22/26 | 68.7 8.0 | 1354 | 47.5 12.0 | 0307 | 45.4 5.4 | 93 2 | 44 2 | 2.2 0.4 | 8.6 0.4 | 1556 | WSW | 252 | 0.00 | 15.20 | 0.077 0.010 | 266 2 | 0 0 |
| Max | 68.8 | - | 50.6 | - | 48.6 | 99 | 72 | 6.4 | 18.6 | - | - | 4.98 | 34.11 | 0.083 | 307 | - | |
| Avg | - | - | - | - | 45.2 | - | - | 3.0 | - | - | - | - | - | - | - | - | |
| Min | 58.2 | - | 39.4 | - | 43.3 | 90 | 44 | 1.4 | 8.6 | - | - | 0.00 | 5.16 | 0.035 | 132 | - |