| Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | RH (%) | Max RH (%) | 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) | 3/30/25 | 57.7 1.9 | 1433 | 40.5 3.1 | 0504 | 45.0 7.0 | 92 | 100 4 | 72 36 | 5.5 | 25.5 12.1 | 0737 | SE | 126 | 0.57 | 49.04 | - | - | 0 0 |
| Rockpile Upper (Cooley) | 3/30/25 | 53.7 3.7 | 1523 | 37.4 0.8 | 0451 | 43.8 6.5 | 98 | 100 0 | 81 40 | 13.0 | 37.9 16.9 | 0603 | SE | 131 | 0.72 | 48.53 | 0.051 0.059 | 322 158 | 0 0 |
| Cloverdale-East (Ranch 83) | 3/30/25 | 63.2 0.8 | 1433 | 44.2 7.8 | 0645 | 47.8 9.2 | - | - | - | 6.1 | 18.5 3.4 | 2145 | SE | 136 | 0.51 | 39.70 | 0.078 0.039 | 322 113 | 0 0 |
| Cloverdale-SE (Ranch 38) | 3/30/25 | 60.5 2.8 | 1453 | 43.3 5.6 | 0619 | 47.5 7.5 | 90 | 99 2 | 71 34 | 8.8 | 21.3 3.9 | 2226 | SE | 127 | 0.51 | 42.17 | 0.057 0.059 | 263 167 | 0 0 |
| Geyserville-North (Hoffman) | 3/30/25 | 61.9 1.8 | 1407 | 44.8 5.5 | 0634 | 48.0 7.8 | 85 | 97 3 | 66 29 | 6.0 | 16.1 5.5 | 0617 | SE | 143 | 0.55 | 35.27 | 0.070 0.050 | 268 170 | 10 10 |
| Geyserville (Ranch 3) | 3/30/25 | 62.2 1.5 | 1402 | 44.8 5.6 | 0626 | 48.4 8.2 | 87 | 100 0 | 63 30 | 5.6 | 14.8 1.8 | 1349 | SE | 142 | 0.62 | 46.05 | 0.069 0.049 | 281 154 | 10 10 |
| Geyserville-East (Ranch 40) | 3/30/25 | 60.2 1.8 | 1525 | 43.3 4.4 | 0551 | 47.0 6.6 | 88 | 99 4 | 73 31 | 13.3 | 35.7 17.6 | 0624 | SE | 135 | 0.48 | 45.12 | 0.072 0.055 | 344 134 | 10 10 |
| Geyserville-South (Nervo Station) | 3/30/25 | 59.8 2.5 | 1425 | 44.0 4.9 | 0622 | - | - | - | - | 5.2 | 17.2 4.4 | 1401 | SW | 231 | 0.44 | 36.47 | - | - | 10 10 |
| Lytton (River Oaks) | 3/30/25 | 62.6 2.0 | 1425 | 44.9 8.3 | 0608 | 48.1 8.3 | 86 | 97 0 | 64 28 | 5.6 | 18.7 4.8 | 1533 | SSW | 204 | 0.62 | 46.80 | 0.074 0.049 | 299 164 | 0 0 |
| Jimtown-North (Piccolo Ranch 15) | 3/30/25 | 61.7 2.4 | 1422 | 45.2 8.6 | 0628 | 47.0 7.4 | 82 | 100 0 | 63 28 | 4.5 | 20.4 7.2 | 1618 | SSW | 207 | 0.47 | 44.50 | 0.079 0.034 | 318 120 | 0 0 |
| Jimtown-NE (Red Fan) | 3/30/25 | 62.7 1.6 | 1518 | 45.7 9.8 | 0539 | 47.9 7.8 | 83 | 96 4 | 64 26 | 5.8 | 21.0 8.6 | 0609 | ESE | 104 | 0.42 | 37.38 | 0.088 0.040 | 360 126 | 0 0 |
| HWY 128/Chalk Hill Rd (Landslide) | 3/30/25 | 60.9 3.1 | 1517 | 45.4 9.7 | 0625 | 48.3 8.0 | 87 | 97 3 | 70 30 | 4.7 | 16.9 4.3 | 1547 | SSW | 213 | 0.59 | 19.04 | 0.014 0.010 | 0 0 | 0 0 |
| N Chalk Hill Rd (Ranch 63) | 3/30/25 | 60.2 3.1 | 1521 | 44.8 9.4 | 0616 | 47.7 7.9 | 86 | 100 0 | 68 28 | 4.8 | 18.5 4.2 | 1516 | SSW | 208 | 0.72 | 47.37 | 0.066 0.048 | 279 153 | 0 0 |
| Knights Valley (Bavarian Lion) | 3/30/25 | 59.2 4.1 | 1621 | 44.8 11.2 | 0631 | 47.1 8.1 | 86 | 96 2 | 65 30 | 5.0 | 18.6 5.6 | 0550 | SE | 130 | 0.67 | 46.97 | 0.057 0.064 | 238 242 | 0 0 |
| Upper Dry Creek Valley | 3/30/25 | 60.3 3.3 | 1504 | 44.8 7.9 | 0530 | 48.1 9.2 | 88 | 97 1 | 65 39 | 4.7 | 14.2 0.6 | 1607 | SSW | 200 | 0.73 | 48.00 | 0.069 0.059 | 283 196 | 20 10 |
| Lower Dry Creek Valley | 3/30/25 | 61.8 2.5 | 1409 | 45.1 7.2 | 0645 | 48.9 9.1 | 89 | 100 0 | 63 32 | 4.7 | 13.9 2.6 | 1352 | S | 178 | 0.76 | 49.30 | 0.064 0.066 | 259 213 | 0 0 |
| Max | 63.2 | - | 45.7 | - | 48.9 | 98 | 100 | 81 | 13.3 | 37.9 | - | - | 0.76 | 49.30 | 0.088 | 360 | - | |
| Avg | - | - | - | - | 47.4 | 88 | - | - | 6.5 | - | - | - | - | - | - | - | - | |
| Min | 53.7 | - | 37.4 | - | 43.8 | 82 | 96 | 63 | 4.5 | 13.9 | - | - | 0.42 | 19.04 | 0.014 | 0 | - |
| Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | RH (%) | Max RH (%) | 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) | 3/30/25 | 60.1 3.6 | 1557 | 45.1 9.4 | 0548 | - | - | 100 0 | 66 28 | 2.9 | 14.4 2.8 | 1152 | 0.74 | 44.97 | - | - | 0 |
| Windsor-NW (Ranch 8) | 3/30/25 | 61.3 2.1 | 1524 | 45.2 7.5 | 0614 | 47.5 6.1 | 84 | 87 2 | 76 31 | 2.9 | 14.5 2.6 | 1357 | 0.81 | 44.33 | 0.061 0.061 | 253 245 | 0 |
| Windsor-East (Ranch 16) | 3/30/25 | 60.9 2.3 | 1610 | 45.6 10.4 | 0548 | 48.6 8.1 | 87 | 96 4 | 70 28 | 4.9 | 16.6 4.6 | 0710 | 0.60 | 37.97 | 0.050 0.070 | 198 271 | 0 |
| Mark West-North (Ranch 14) | 3/30/25 | 61.4 2.3 | 1522 | 45.5 8.7 | 0553 | 48.6 8.6 | 87 | 98 1 | 68 29 | 3.3 | 13.8 2.0 | 1157 | 0.64 | 43.26 | 0.051 0.071 | 200 275 | 0 |
| Windsor-SE (Silk Rd) | 3/30/25 | 59.8 2.9 | 1435 | 45.7 9.2 | 0638 | 49.3 8.5 | 89 | 98 1 | 70 33 | 4.3 | 15.8 2.6 | 1523 | 0.84 | 47.08 | 0.058 0.062 | 246 223 | 0 |
| Fulton-NW (Ranch 5) | 3/30/25 | 60.6 1.9 | 1504 | 45.7 8.7 | 0547 | 49.2 8.0 | 89 | 97 3 | 72 29 | 5.3 | 19.0 6.6 | 0952 | 0.60 | 42.07 | 0.059 0.065 | 255 234 | 0 |
| Windsor-South (Laughlin Rd) | 3/30/25 | 61.8 2.3 | 1518 | 45.3 7.6 | 0605 | - | - | - | - | - | - | - | 0.07 | 42.63 | - | - | 0 |
| Fulton-SE (Barnes Rd) | 3/30/25 | 60.9 1.8 | 1539 | 46.3 9.1 | 0558 | 48.6 8.2 | 85 | 94 2 | 69 25 | 5.1 | 18.6 4.7 | 1600 | 0.51 | 38.66 | - | - | 0 |
| Fulton-SW (Ranch 21) | 3/30/25 | 60.9 1.8 | 1517 | 45.8 9.0 | 0534 | - | - | - | - | 6.3 | 23.6 9.5 | 1129 | 0.60 | 31.87 | 0.066 0.064 | 283 245 | 0 |
| Santa Rosa-NW (Goldfields) | 3/30/25 | 60.4 2.9 | 1513 | 45.9 8.8 | 0541 | 49.0 8.0 | 88 | 97 0 | 74 34 | 6.2 | 20.8 7.8 | 0922 | 0.63 | 42.01 | 0.053 0.065 | 215 231 | 0 |
| Goldfields Remote | 3/30/25 | 60.8 2.8 | 1508 | 46.1 9.5 | 0537 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| NW Santa Rosa (Piner Road) | 3/30/25 | 59.8 2.6 | 1514 | 45.9 9.2 | 0652 | 51.2 8.1 | 96 | 100 0 | 83 36 | 5.1 | 19.3 6.1 | 1116 | 0.00 | 37.21 | - | - | 0 |
| River Rd South (Denner Ranch) | 3/30/25 | 60.5 2.0 | 1608 | 45.4 9.3 | 0645 | 49.1 7.8 | 89 | 97 0 | 74 34 | 6.9 | 25.9 9.2 | 1054 | - | - | - | - | 0 |
| West Santa Rosa (LOV Vineyard) | 3/30/25 | 60.5 2.0 | 1513 | 45.7 9.1 | 0633 | 49.2 8.4 | 89 | 98 1 | 74 38 | 3.1 | 16.1 4.7 | 1223 | 0.64 | 42.96 | 0.010 0.011 | 0 0 | 0 |
| Guerneville Rd (Prokopakis) | 3/30/25 | 61.0 3.3 | 1515 | 46.1 7.7 | 0636 | 49.8 8.1 | 89 | 99 1 | 73 37 | - | - | - | 0.53 | 33.79 | - | - | 0 |
| Guerneville Rd West (Balletto) | 3/30/25 | 59.9 1.7 | 1503 | 46.3 8.6 | 0632 | 49.9 7.3 | 90 | 99 0 | 79 35 | 5.6 | 20.2 7.4 | 1147 | 0.46 | 29.22 | - | - | 0 |
| Guerneville Rd East (Rich Ranch) | 3/30/25 | 61.1 2.5 | 1504 | 46.2 9.7 | 0553 | 48.8 8.1 | 86 | 95 3 | 73 34 | - | - | - | - | - | - | - | 0 |
| Sanchietti Ranch | 3/30/25 | 61.0 1.1 | 1449 | 47.2 10.1 | 0409 | 50.0 6.9 | - | 95 3 | 78 27 | 6.0 | 22.6 8.7 | 1135 | 0.52 | 40.05 | - | - | 0 |
| Occidental Rd (Sebastopol) | 3/30/25 | 59.5 3.2 | 1450 | 45.6 9.3 | 0536 | 52.0 3.4 | 100 | 100 0 | 100 27 | 4.8 | 23.9 8.3 | 1119 | 0.47 | 28.26 | - | - | 0 |
| Lower Westside Rd (Ranch 12) | 3/30/25 | 60.3 3.1 | 1502 | 45.6 8.6 | 0635 | 49.2 9.1 | 90 | 100 0 | 70 34 | 1.8 | 13.6 1.4 | 1140 | 0.86 | 45.14 | 0.006 0.016 | 0 0 | 0 |
| Guerneville (Laughlin Rd) | 3/30/25 | 59.1 4.9 | 1422 | 45.5 7.3 | 0504 | 48.5 7.1 | 89 | 96 3 | 72 34 | 2.2 | 17.2 3.9 | 1423 | 0.87 | 56.79 | - | - | 0 |
| Korbel (Winery) | 3/30/25 | 58.1 4.1 | 1755 | 46.0 6.7 | 0622 | 49.0 7.7 | 90 | 98 2 | 72 35 | 0.0 | 2.6 11.1 | 2016 | 0.89 | 51.30 | - | - | 0 |
| Forestville (Shone Farms) | 3/30/25 | 60.5 4.1 | 1539 | 44.3 8.1 | 0533 | 49.1 8.1 | 90 | 98 0 | 73 31 | 3.9 | 16.6 2.0 | 1131 | 0.97 | 51.23 | 0.052 0.067 | 212 260 | 0 |
| Forestville-NE (Ranch 30) | 3/30/25 | 59.4 4.3 | 1603 | 44.9 7.9 | 0651 | 49.4 7.1 | 92 | 98 1 | 76 32 | 4.5 | 23.1 9.0 | 1126 | 0.89 | 45.40 | 0.052 0.072 | 223 271 | 0 |
| Green Valley Vineyard | 3/30/25 | 58.6 2.6 | 1456 | 44.5 7.6 | 0611 | 48.7 7.7 | 90 | 98 0 | 75 33 | 4.1 | 26.7 12.9 | 1039 | 1.15 | 59.00 | 0.010 0.011 | 0 0 | 0 |
| Green Valley (Sanchietti) | 3/30/25 | 60.1 4.6 | 1425 | 46.1 10.0 | 0637 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| Keefer Ranch (Green Valley) | 3/30/25 | 58.6 3.1 | 1444 | 45.7 10.3 | 0623 | 50.8 8.1 | 95 | 100 0 | 81 32 | - | - | - | 0.94 | 54.80 | - | - | 0 |
| Graton-South (Mill Station Rd) | 3/30/25 | 58.0 2.3 | 1452 | 45.4 9.8 | 0555 | 49.6 7.1 | 92 | 100 11 | 79 34 | 2.2 | 14.2 5.3 | 1036 | 0.77 | 44.64 | - | - | 0 |
| Occidental (Horseshoe Bend) | 3/30/25 | 55.3 3.6 | 1715 | 43.7 2.6 | 0527 | 48.6 7.3 | - | 100 3 | 84 37 | - | - | - | 0.83 | 41.23 | - | - | 0 |
| Sexton Valley (Jacqueline's Blk) | 3/30/25 | 57.8 2.4 | 1552 | 45.8 10.8 | 0555 | 50.1 8.2 | 93 | 99 1 | 81 31 | 2.5 | 14.2 1.5 | 1058 | 0.75 | 39.81 | - | - | 0 |
| Sebastopol Hills (Burnside Rd) | 3/30/25 | 55.8 2.5 | 1541 | 44.3 5.1 | 0601 | 49.4 6.9 | 95 | 100 2 | 83 31 | 4.8 | 22.5 9.1 | 1129 | 0.75 | 43.91 | - | - | 0 |
| Seaview/Fort Ross (Hirsch) | 3/30/25 | 51.4 1.5 | 1300 | 40.4 1.7 | 0442 | 45.6 6.3 | 97 | 97 0 | 92 31 | 6.3 | 30.0 11.0 | 0506 | 1.45 | 72.04 | 0.038 0.066 | 168 327 | 0 |
| Max | 61.8 | - | 47.2 | - | 52.0 | 100 | 100 | 100 | 6.9 | 30.0 | - | 1.45 | 72.04 | 0.066 | 283 | - | |
| Avg | - | - | - | - | 49.2 | 90 | - | - | 4.2 | - | - | - | - | - | - | - | |
| Min | 51.4 | - | 40.4 | - | 45.6 | 84 | 87 | 66 | 0.0 | 2.6 | - | 0.00 | 28.26 | 0.006 | 0 | - |
| Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | Max RH (%) | 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 | 3/30/25 | 56.0 3.1 | 1636 | 42.7 4.9 | 0540 | 45.9 6.9 | 98 4 | 68 23 | 5.0 2.8 | 25.2 13.8 | 0623 | S | 170 | 0.43 | 49.61 | 0.036 0.082 | 153 349 | 0 0 |
| Lower Bennett Valley | 3/30/25 | 60.1 2.7 | 1535 | 45.1 12.4 | 0540 | 48.1 7.9 | 96 4 | 69 22 | 5.2 2.7 | 25.6 11.7 | 0541 | ESE | 116 | 0.35 | 29.43 | 0.045 0.077 | 162 336 | 0 0 |
| Kenwood (Wildwood) | 3/30/25 | 62.6 0.5 | 1549 | 45.3 9.7 | 0715 | 47.6 6.6 | 98 1 | 62 20 | 5.0 2.5 | 17.3 0.9 | 0605 | S | 178 | 0.28 | 41.27 | 0.061 0.056 | 258 223 | 0 0 |
| Sonoma Valley (Bedrock) | 3/30/25 | 61.2 0.2 | 1452 | 44.9 7.0 | 0519 | 46.5 6.6 | 96 3 | 65 29 | 0.0 0.0 | 0.0 0.0 | 0101 | SSE | 166 | 0.22 | 39.08 | - | - | 0 0 |
| Sonoma-West (Arnold) | 3/30/25 | 64.1 0.2 | 1501 | 46.6 8.2 | 0543 | 48.4 6.6 | 100 6 | 63 23 | 4.5 1.7 | 22.8 7.8 | 1247 | SSW | 192 | 0.18 | 32.05 | 0.090 0.051 | 367 200 | 0 0 |
| Sonoma Valley HS | 3/30/25 | 63.1 0.6 | 1534 | 46.4 8.1 | 0525 | 49.8 6.8 | 100 0 | 70 25 | 3.4 1.5 | 13.2 4.2 | 1637 | SSE | 168 | 0.00 | 0.74 | 0.071 0.048 | 289 210 | 0 0 |
| Sonoma East (Bundschu01) | 3/30/25 | 63.3 0.6 | 1537 | 47.0 11.2 | 0517 | 48.4 6.9 | 94 4 | 65 31 | 6.1 3.4 | 23.7 9.4 | 1417 | S | 188 | 0.14 | 16.72 | 0.070 0.056 | 265 240 | 0 0 |
| Schellville (Sasaki) | 3/30/25 | 64.8 1.0 | 1525 | 47.5 10.1 | 0530 | 48.8 7.0 | 96 0 | 62 22 | 3.9 1.0 | 20.2 5.7 | 1201 | SE | 128 | 0.12 | 2.09 | - | - | 0 0 |
| Sonoma-SE (Napoli) | 3/30/25 | 63.8 1.1 | 1527 | 46.7 9.7 | 0523 | 48.5 7.2 | 94 1 | 64 27 | 4.5 2.2 | 24.2 11.7 | 1226 | S | 178 | 0.09 | 19.77 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 3/30/25 | 63.8 0.5 | 1537 | 47.2 9.0 | 0548 | 49.1 7.4 | 96 0 | 64 32 | 7.3 3.8 | 24.5 7.2 | 1501 | SSW | 208 | 0.17 | 25.69 | 0.091 0.040 | 377 130 | 0 0 |
| Carneros (Ranch 71) | 3/30/25 | 62.8 0.3 | 1601 | 46.2 5.3 | 0515 | 48.7 7.3 | 98 7 | 68 31 | 6.7 3.0 | 24.2 8.5 | 1230 | SSW | 202 | 0.16 | 26.72 | 0.076 0.055 | 321 190 | 0 0 |
| Carneros Upper (Ranch 81) | 3/30/25 | 61.2 1.9 | 1305 | 46.1 4.4 | 0515 | 48.4 8.1 | 100 12 | 61 31 | 10.6 5.6 | 34.4 11.7 | 1302 | SW | 217 | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 3/30/25 | 62.6 1.3 | 1307 | 46.5 10.4 | 0522 | 49.7 8.5 | 100 0 | 75 37 | 2.4 1.3 | 20.6 0.6 | 1223 | SSE | 164 | 0.17 | 23.92 | 0.071 0.046 | 288 191 | 0 0 |
| Rohnert Park-West (Stony Point) | 3/30/25 | 59.3 1.2 | 1600 | 46.4 10.2 | 0542 | 49.6 6.8 | 98 1 | 75 24 | 6.3 3.3 | 25.9 9.0 | 1052 | SSE | 152 | 0.00 | 21.33 | - | - | 0 0 |
| Cartograph Wines Base | 3/30/25 | 57.9 1.7 | 1451 | 45.2 5.4 | 0536 | 49.5 6.1 | 100 1 | 80 26 | 6.6 2.8 | 24.9 6.2 | 0640 | SE | 137 | 0.42 | 35.47 | 0.040 0.069 | 176 306 | 0 0 |
| Cartograph Wines Remote | 3/30/25 | 59.6 2.6 | 1444 | 45.7 9.9 | 0532 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Rice-Spivak Vineyard | 3/30/25 | 59.2 2.8 | 1453 | 45.8 14.0 | 0526 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Penngrove (Asellus) | 3/30/25 | 62.6 0.5 | 1459 | 46.5 9.6 | 0535 | 48.3 7.0 | 95 3 | 65 23 | 9.0 6.2 | 30.3 17.1 | 0638 | E | 101 | 0.01 | 1.04 | - | - | 0 0 |
| Roger's Creek (Ranch 50) | 3/30/25 | 60.1 0.5 | 1606 | 43.8 4.7 | 0551 | 47.5 6.8 | 100 0 | 67 25 | 6.3 1.8 | 20.5 3.8 | 0632 | ESE | 104 | 0.18 | 30.62 | 0.065 0.053 | 282 209 | 0 0 |
| Petaluma (Ranch 10) | 3/30/25 | 64.2 1.6 | 1535 | 46.4 10.9 | 0526 | 49.1 8.0 | 96 4 | 64 31 | 2.9 0.9 | 16.0 4.0 | 1439 | SW | 226 | 0.10 | 23.00 | 0.076 0.045 | 290 162 | 0 0 |
| Max | 64.8 | - | 47.5 | - | 49.8 | 100 | 80 | 10.6 | 34.4 | - | - | 0.43 | 49.61 | 0.091 | 377 | - | |
| Avg | - | - | - | - | 48.4 | - | - | 5.3 | - | - | - | - | - | - | - | - | |
| Min | 56.0 | - | 42.7 | - | 45.9 | 94 | 61 | 0.0 | 0.0 | - | - | 0.00 | 0.74 | 0.036 | 153 | - |