| 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) | Seasonal Rainfall (In) | Daily ETo (in) | Daily Solar Rad (Cal/cm2) | Powdery Mildew Stress (pts) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rockpile Lower (Cooley) | 5/15/22 | 74.8 9.1 | 1536 | 51.4 1.3 | 2349 | 48.8 0.0 | 64 | 85 11 | 27 4 | 8.0 | 27.0 8.2 | 1749 | W | 278 | 0.00 | 28.63 | - | - | 0 0 |
| Rockpile Upper (Cooley) | 5/15/22 | 71.5 7.7 | 1533 | 47.2 0.3 | 0011 | 48.3 0.6 | 72 | 100 0 | 31 4 | 14.7 | 33.8 7.9 | 1856 | WNW | 303 | 0.00 | 29.21 | 0.204 0.037 | 683 64 | 0 0 |
| Cloverdale-East (Ranch 83) | 5/15/22 | 82.5 6.0 | 1527 | 55.8 2.8 | 0057 | 50.7 0.5 | 57 | 83 6 | 31 11 | 5.6 | 17.2 1.0 | 0927 | W | 263 | 0.00 | 21.67 | 0.224 0.026 | 642 65 | 30 20 |
| Cloverdale-SE (Ranch 38) | 5/15/22 | 81.7 8.6 | 1436 | 54.7 2.5 | 0056 | 50.8 0.6 | 59 | 84 8 | 30 8 | 10.3 | 24.2 1.3 | 0948 | N | 351 | 0.00 | 21.31 | 0.232 0.031 | 601 56 | 0 0 |
| Geyserville-North (Hoffman) | 5/15/22 | 83.3 6.8 | 1545 | 53.4 0.9 | 0610 | 50.2 0.6 | 56 | 91 5 | 23 2 | 4.2 | 16.4 0.3 | 1306 | W | 280 | 0.00 | 20.91 | 0.220 0.019 | 622 62 | 30 20 |
| Geyserville (Ranch 3) | 5/15/22 | 83.0 7.0 | 1538 | 54.2 0.5 | 0614 | 49.4 0.3 | 55 | 92 5 | 20 1 | 6.4 | 17.6 1.1 | 1659 | WNW | 284 | 0.00 | 20.86 | 0.236 0.017 | 617 62 | 40 20 |
| Geyserville-East (Ranch 40) | 5/15/22 | 83.1 7.2 | 1546 | 53.4 1.5 | 0059 | 50.7 0.1 | 59 | 89 5 | 26 5 | 7.2 | 25.1 1.7 | 2025 | NNW | 327 | 0.00 | 20.60 | 0.235 0.018 | 647 55 | 0 0 |
| Geyserville-South (Nervo Station) | 5/15/22 | 82.8 8.4 | 1539 | 55.1 0.6 | 0555 | 48.9 0.8 | 53 | 89 7 | 21 2 | 5.6 | 21.9 0.0 | 2219 | WNW | 286 | 0.00 | 18.70 | - | - | 30 20 |
| Lytton (River Oaks) | 5/15/22 | 84.4 6.8 | 1256 | 50.1 4.4 | 0612 | 49.1 0.6 | 54 | 94 8 | 22 4 | 6.9 | 21.3 5.1 | 1709 | WNW | 298 | 0.00 | 19.66 | 0.258 0.009 | 634 44 | 30 20 |
| Jimtown-North (Piccolo-R15) | 5/15/22 | 82.5 7.6 | 1555 | 50.1 0.1 | 0615 | 47.8 0.1 | 56 | 100 0 | 21 4 | 4.2 | 19.8 2.4 | 1710 | W | 281 | 0.00 | 23.34 | 0.225 0.001 | 614 42 | 30 20 |
| Jimtown-NE (Red Fan) | 5/15/22 | 83.6 7.6 | 1547 | 50.2 4.1 | 0613 | 49.9 0.6 | 59 | 96 2 | 23 5 | 5.0 | 18.8 3.1 | 1708 | WNW | 294 | 0.00 | 24.34 | 0.241 0.001 | 658 45 | 30 20 |
| HWY 128/Chalk Hill Rd (Landslide) | 5/15/22 | 84.5 5.7 | 1320 | 50.3 2.7 | 0621 | 49.8 0.5 | 58 | 97 0 | 24 4 | 3.8 | 18.3 5.4 | 1357 | NW | 316 | 0.00 | 26.75 | - | - | 50 20 |
| N Chalk Hill Rd (Ranch 63) | 5/15/22 | 83.5 6.9 | 1615 | 49.7 4.4 | 0610 | 48.8 1.0 | 54 | 100 13 | 21 3 | 4.3 | 18.7 4.9 | 1713 | NW | 312 | 0.00 | 25.87 | 0.223 0.001 | 584 51 | 30 20 |
| Knights Valley (Bavarian Lion) | 5/15/22 | 82.3 6.1 | 1608 | 48.8 4.7 | 0537 | 49.7 0.1 | 61 | 98 1 | 28 7 | 4.8 | 20.0 7.0 | 1713 | NW | 306 | 0.00 | 27.31 | 0.235 0.004 | 670 40 | 10 10 |
| Upper Dry Creek Valley | 5/15/22 | 82.2 7.6 | 1534 | 56.6 0.4 | 0554 | 49.4 0.6 | 54 | 88 9 | 21 2 | 5.6 | 18.9 4.1 | 1249 | WNW | 299 | 0.00 | 25.18 | 0.238 0.021 | 660 61 | 10 10 |
| Lower Dry Creek Valley | 5/15/22 | 83.7 7.7 | 1543 | 52.3 4.6 | 0600 | 48.0 1.6 | 53 | 94 14 | 16 1 | 7.9 | 21.0 1.9 | 1611 | NW | 313 | 0.00 | 25.34 | 0.263 0.000 | 622 54 | 30 20 |
| Max | 84.5 | - | 56.6 | - | 50.8 | 72 | 100 | 31 | 14.7 | 33.8 | - | - | 0.00 | 29.21 | 0.263 | 683 | - | |
| Avg | - | - | - | - | 49.4 | 58 | - | - | 6.5 | - | - | - | - | - | - | - | - | |
| Min | 71.5 | - | 47.2 | - | 47.8 | 53 | 83 | 16 | 3.8 | 16.4 | - | - | 0.00 | 18.70 | 0.204 | 584 | - |
| 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) | Seasonal Rainfall (In) | Daily ETo (in) | Daily Solar Rad (Cal/cm2) | Powdery Mildew Stress (pts) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Healdsburg-South (Sodini) | 5/15/22 | 85.8 5.9 | 1603 | 50.1 6.8 | 0619 | 47.2 2.9 | 94 15 | 20 2 | 4.9 | 20.9 5.7 | 1358 | NNW | 334 | 0.00 | 24.50 | - | - | 40 20 |
| Windsor-NW (Ranch 8) | 5/15/22 | 88.2 3.2 | 1607 | 52.2 1.0 | 0640 | 49.6 3.1 | 84 1 | 20 3 | 2.5 | 21.3 7.1 | 1544 | NW | 309 | 0.00 | 28.36 | 0.226 0.003 | 652 48 | 10 10 |
| Windsor-East (Ranch 16) | 5/15/22 | 85.1 3.2 | 1632 | 48.5 6.9 | 0619 | 48.9 2.3 | 96 11 | 20 2 | 3.3 | 16.9 3.5 | 1747 | NNW | 341 | 0.00 | 22.93 | 0.223 0.013 | 639 59 | 10 10 |
| Mark West-North (Ranch 14) | 5/15/22 | 85.2 2.0 | 1548 | 50.9 0.9 | 0607 | 50.4 0.3 | 92 3 | 19 2 | 1.9 | 13.1 1.9 | 1430 | NNE | 27 | 0.00 | 25.18 | 0.199 0.023 | 634 50 | 60 0 |
| Windsor-SE (Silk Rd) | 5/15/22 | 85.3 1.9 | 1544 | 47.7 2.2 | 0607 | 52.5 1.4 | 98 1 | 27 5 | 2.3 | 13.6 0.2 | 1626 | WSW | 242 | 0.00 | 25.32 | 0.203 0.018 | 629 51 | 0 0 |
| Fulton-NW (Ranch 5) | 5/15/22 | 85.6 0.5 | 1600 | 49.1 1.8 | 0607 | 51.8 1.0 | 94 4 | 27 4 | 3.2 | 14.6 1.0 | 1437 | NNW | 334 | 0.00 | 26.14 | 0.208 0.018 | 616 52 | 0 0 |
| Windsor-South (Laughlin Rd) | 5/15/22 | 85.9 2.5 | 1549 | 49.4 0.2 | 0624 | - | - | - | - | - | - | - | 0.00 | 27.98 | - | - | 40 20 |
| Fulton-SE (Barnes Rd) | 5/15/22 | 86.2 1.0 | 1542 | 49.8 1.3 | 0605 | 52.6 0.5 | 93 2 | 31 5 | 2.1 | 13.5 2.1 | 1625 | WSW | 250 | 0.00 | 24.90 | - | - | 60 60 |
| Fulton-SW (Ranch 21) | 5/15/22 | 84.9 1.4 | 1534 | 49.5 0.7 | 0606 | 51.5 0.7 | 94 3 | 31 8 | 4.7 | 19.6 2.3 | 1640 | W | 262 | 0.00 | 21.56 | 0.212 0.021 | 619 53 | 40 20 |
| Santa Rosa-NW (Goldfields) | 5/15/22 | 85.2 1.3 | 1536 | 49.4 0.6 | 0600 | 52.2 0.9 | 96 2 | 32 7 | 3.7 | 15.3 1.6 | 1731 | WNW | 290 | 0.00 | 23.80 | 0.186 0.020 | 522 62 | 0 0 |
| NW Santa Rosa (Piner Road) | 5/15/22 | 82.7 3.7 | 1528 | 47.9 1.8 | 0618 | 52.7 0.9 | 97 2 | 42 13 | 2.3 | 14.1 0.1 | 1436 | SW | 231 | 0.00 | 24.57 | - | - | 60 60 |
| River Rd South (Denner Ranch) | 5/15/22 | 83.6 2.5 | 1527 | 47.7 1.7 | 0608 | 51.9 0.7 | 100 0 | 36 13 | 4.2 | 19.5 2.9 | 1743 | WSW | 251 | - | - | - | - | 0 0 |
| West Santa Rosa (Hawk's Roost) | 5/15/22 | 82.7 2.3 | 1530 | 48.1 1.1 | 0600 | 52.1 1.1 | 97 2 | 38 13 | 2.0 | 14.9 2.6 | 1551 | WSW | 246 | 0.00 | 27.80 | 0.206 0.018 | 651 39 | 60 60 |
| Guerneville Rd (Prokopakis) | 5/15/22 | 83.0 6.2 | 1325 | 49.6 1.6 | 0615 | 52.4 0.8 | 95 4 | 39 15 | - | - | - | - | 0.00 | 25.45 | - | - | 0 0 |
| Guerneville Rd West (Balletto) | 5/15/22 | 82.1 3.8 | 1522 | 48.0 1.9 | 0603 | 52.9 0.9 | 97 1 | 43 14 | 3.2 | 17.8 3.2 | 1740 | W | 274 | 0.00 | 27.70 | - | - | 60 60 |
| Guerneville Rd East (Rich Ranch) | 5/15/22 | 83.8 2.4 | 1545 | 47.8 2.5 | 0554 | 51.4 0.9 | 95 2 | 37 12 | - | - | - | - | - | - | - | - | 0 0 |
| Occidental Rd (Sebastopol) | 5/15/22 | 81.8 3.4 | 1415 | 46.7 1.0 | 0557 | 62.1 0.4 | 100 0 | 98 18 | 2.8 | 18.4 2.6 | 1754 | WSW | 251 | 0.00 | 29.23 | - | - | 60 60 |
| Lower Westside Rd (Ranch 12) | 5/15/22 | 86.4 1.4 | 1518 | 49.4 2.2 | 0614 | 52.3 1.2 | 97 1 | 28 5 | 2.1 | 14.8 0.6 | 1536 | WSW | 258 | 0.00 | 29.22 | 0.201 0.023 | 595 62 | 10 10 |
| Guerneville (Laughlin Rd) | 5/15/22 | 84.7 0.4 | 1253 | 46.0 2.2 | 0611 | 50.2 0.8 | 96 2 | 32 6 | 2.5 | 14.5 0.2 | 1543 | SSE | 152 | 0.00 | 36.52 | - | - | 60 60 |
| Korbel (Winery) | 5/15/22 | 83.5 2.7 | 1338 | 48.2 2.6 | 0601 | 51.9 1.5 | 97 1 | 35 9 | 1.8 | 16.7 2.1 | 1631 | SSW | 207 | 0.00 | 34.18 | - | - | 60 20 |
| Forestville (Shone Farms) | 5/15/22 | 85.6 2.7 | 1426 | 48.8 0.8 | 0556 | 52.7 0.9 | 94 2 | 38 14 | 2.5 | 15.9 2.6 | 1646 | W | 279 | 0.00 | 31.36 | 0.204 0.021 | 645 53 | 0 0 |
| Forestville-NE (Ranch 30) | 5/15/22 | 84.9 3.6 | 1538 | 48.0 1.1 | 0634 | 53.2 0.7 | 97 1 | 39 12 | 3.2 | 18.5 3.7 | 1619 | WSW | 248 | 0.00 | 28.87 | 0.221 0.018 | 666 53 | 40 20 |
| Green Valley Vineyard | 5/15/22 | 78.8 6.1 | 1214 | 50.1 1.9 | 0611 | 51.1 0.2 | 97 1 | 41 16 | 4.0 | 19.3 2.6 | 1418 | WNW | 283 | 0.00 | 36.31 | 0.169 0.114 | 457 407 | 60 60 |
| Graton-West (Dutton Ranch) | 5/15/22 | 80.3 4.9 | 1202 | 47.3 2.3 | 0608 | 51.5 0.2 | 100 0 | 41 16 | 2.7 | 15.5 4.0 | 1621 | W | 266 | 0.00 | 39.40 | - | - | 60 60 |
| Graton-South (Mill Station Rd) | 5/15/22 | 79.2 2.1 | 1419 | 48.2 4.5 | 0615 | 50.7 0.1 | 94 5 | 43 9 | 3.2 | 15.6 2.4 | 1551 | W | 270 | 0.00 | 28.78 | - | - | 60 60 |
| Occidental (Horseshoe Bend) | 5/15/22 | 71.9 8.0 | 1331 | 48.1 2.8 | 0610 | 51.2 1.3 | 98 3 | 54 23 | - | - | - | - | 0.00 | 38.06 | - | - | 20 20 |
| Sexton Valley (Jacqueline's Blk) | 5/15/22 | 78.1 3.3 | 1359 | 46.6 1.8 | 0618 | 51.6 0.9 | 97 1 | 50 8 | 2.8 | 18.2 9.4 | 1628 | WSW | 258 | 0.00 | 34.04 | - | - | 60 60 |
| Sebastopol Hills (Burnside Rd) | 5/15/22 | 75.2 3.3 | 1354 | 48.1 4.0 | 0623 | 51.7 1.6 | 98 3 | 54 14 | 4.1 | 16.7 1.8 | 1554 | W | 259 | 0.00 | 31.42 | - | - | 0 0 |
| Seaview/Fort Ross (Hirsch) | 5/15/22 | 68.2 9.1 | 1406 | 48.9 0.2 | 0040 | 51.3 0.7 | 95 2 | 63 27 | 4.8 | 15.2 3.1 | 1049 | N | 0 | 0.00 | 48.87 | 0.169 0.048 | 650 75 | 0 0 |
| Max | 88.2 | - | 52.2 | - | 62.1 | 100 | 98 | 4.9 | 21.3 | - | - | 0.00 | 48.87 | 0.226 | 666 | - | |
| Avg | - | - | - | - | 51.8 | - | - | 3.1 | - | - | - | - | - | - | - | - | |
| Min | 68.2 | - | 46.0 | - | 47.2 | 84 | 19 | 1.8 | 13.1 | - | - | 0.00 | 21.56 | 0.169 | 457 | - |
| 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) | Seasonal Rainfall (In) | Daily ETo (in) | Daily Solar Rad (Cal/cm2) | Powdery Mildew Stress (pts) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Upper Rincon Valley | 5/15/22 | 78.1 4.7 | 1543 | 52.3 2.2 | 2157 | 51.9 1.3 | 91 3 | 45 19 | 2.6 | 11.7 1.3 | 1341 | SSE | 166 | 0.00 | 33.32 | 0.197 0.023 | 659 50 | 0 0 |
| Lower Bennett Valley | 5/15/22 | 75.9 6.4 | 1205 | 43.6 0.5 | 0057 | 51.6 0.7 | 100 0 | 50 21 | 3.4 | 17.0 1.3 | 1316 | SW | 222 | 0.00 | 26.94 | 0.188 0.030 | 642 53 | 0 0 |
| Kenwood (Wildwood) | 5/15/22 | 78.7 5.5 | 1511 | 42.9 0.3 | 2254 | 53.8 1.2 | 100 0 | 48 17 | 1.1 | 16.0 0.5 | 1619 | SW | 230 | 0.00 | 24.27 | 0.191 0.020 | 653 46 | 60 20 |
| Sonoma Valley (Bedrock) | 5/15/22 | 81.9 3.0 | 1550 | 46.9 2.4 | 0624 | 49.8 1.0 | 96 2 | 3 0 | 3.8 | 16.5 1.7 | 1505 | NNW | 330 | 0.00 | 28.70 | - | - | 60 60 |
| Sonoma-West (Arnold) | 5/15/22 | 78.0 7.7 | 1101 | 45.2 2.1 | 0530 | 50.6 0.5 | 95 2 | 45 17 | 5.0 | 25.0 8.7 | 1644 | SW | 218 | 0.00 | 21.19 | 0.199 0.025 | 632 38 | 60 60 |
| Sonoma Valley HS | 5/15/22 | 76.8 6.2 | 1124 | 49.8 2.1 | 0612 | 52.5 0.2 | 98 1 | 49 12 | 3.4 | 13.0 0.9 | 1858 | WSW | 240 | 0.00 | 21.92 | 0.193 0.030 | 668 33 | 0 0 |
| Sonoma East (Bundschu01) | 5/15/22 | 77.3 6.5 | 1202 | 48.0 2.8 | 0544 | 51.4 0.6 | 97 2 | 48 14 | 4.0 | 22.4 5.9 | 1403 | W | 266 | 0.00 | 21.10 | 0.194 0.032 | 657 48 | 0 0 |
| Schellville (Sasaki) | 5/15/22 | 76.0 11.3 | 1252 | 48.0 1.9 | 0605 | 51.6 0.6 | 95 0 | 49 17 | 4.1 | 21.2 5.7 | 1531 | W | 279 | 0.00 | 16.71 | - | - | 0 0 |
| Sonoma-SE (Napoli) | 5/15/22 | 77.0 9.4 | 1213 | 48.4 2.4 | 0552 | 51.1 0.7 | 95 1 | 46 16 | 3.5 | 20.9 4.4 | 1445 | SW | 221 | 0.00 | 17.78 | - | - | 0 0 |
| Carneros (Ranch 71) | 5/15/22 | 74.8 9.5 | 1436 | 52.3 1.0 | 0046 | 51.9 0.4 | 91 1 | 50 17 | 8.9 | 27.5 4.5 | 1357 | WSW | 256 | 0.00 | 20.34 | 0.210 0.040 | 680 38 | 0 0 |
| Carneros Upper (Ranch 81) | 5/15/22 | 75.1 10.5 | 1451 | 51.7 1.7 | 0059 | 51.7 0.5 | 93 3 | 48 18 | 11.2 | 29.1 3.8 | 1650 | WSW | 254 | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 5/15/22 | 78.5 9.2 | 1146 | 49.1 3.5 | 0524 | 52.0 0.9 | 100 0 | 46 16 | 1.7 | 14.4 1.7 | 1902 | WNW | 288 | 0.00 | 21.50 | 0.187 0.023 | 631 49 | 0 0 |
| Rohnert Park-West (Stony Point) | 5/15/22 | 74.1 4.9 | 1339 | 45.9 2.2 | 0610 | 52.1 0.5 | 98 1 | 55 10 | 4.0 | 19.1 2.5 | 1503 | SW | 226 | 0.00 | 23.45 | - | - | 0 0 |
| Penngrove (Asellus) | 5/15/22 | 71.9 7.4 | 1346 | 40.7 2.8 | 0625 | 47.1 1.0 | 88 0 | 55 17 | 2.9 | 17.7 5.5 | 1415 | SSW | 207 | 0.00 | 16.94 | - | - | 0 0 |
| Roger's Creek (Ranch 50) | 5/15/22 | 69.8 8.9 | 1419 | 49.8 0.4 | 0011 | 51.0 0.2 | 94 2 | 58 21 | 7.0 | 23.8 3.5 | 1702 | SW | 225 | 0.00 | 20.81 | 0.169 0.041 | 638 30 | 0 0 |
| Petaluma (Ranch 10) | 5/15/22 | 73.0 9.7 | 1124 | 45.2 0.0 | 0552 | 50.0 0.3 | 97 2 | 51 21 | 4.6 | 19.5 3.9 | 1735 | WSW | 254 | 0.00 | 16.42 | 0.188 0.032 | - | 0 0 |
| Max | 81.9 | - | 52.3 | - | 53.8 | 100 | 58 | 11.2 | 29.1 | - | - | 0.00 | 33.32 | 0.210 | 680 | - | |
| Avg | - | - | - | - | 51.3 | - | - | 4.4 | - | - | - | - | - | - | - | - | |
| Min | 69.8 | - | 40.7 | - | 47.1 | 88 | 3 | 1.1 | 11.7 | - | - | 0.00 | 16.42 | 0.169 | 631 | - |