| 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Montesol | 9/3/26 | 64.8 3.0 | 1421 | 48.4 4.1 | 0055 | - | - | - | - | - | - | - | 0.53 | 0.82 | - | - | 60 10 |
| Pope Valley (Weeks Lake) | 9/3/26 | 68.5 6.2 | 1519 | 52.0 3.3 | 0034 | 54.4 3.0 | 94 6 | 54 16 | 2.5 0.5 | 18.6 3.1 | 1600 | SW | 226 | 0.03 | 0.03 | 0.054 0.049 | 149 148 | 0 0 |
| Dollarhide Base | 9/3/26 | 71.7 5.5 | 1528 | 56.9 0.2 | 0056 | 57.1 2.1 | 91 2 | 61 17 | 4.4 0.2 | 19.2 2.3 | 1502 | SW | 218 | 0.00 | 0.00 | 0.072 0.048 | 202 153 | 0 0 |
| Dollarhide 1AS Remote | 9/3/26 | 72.6 5.2 | 1522 | 53.4 1.4 | 0058 | 56.6 2.2 | 90 1 | 58 16 | 4.2 0.4 | 18.6 2.3 | 1535 | SSW | 203 | - | - | - | - | 20 10 |
| Dollarhide 16A Remote | 9/3/26 | 71.7 5.1 | 1521 | 55.3 1.8 | 0047 | 57.0 2.0 | 93 2 | 58 14 | - | - | - | - | - | - | - | - | 0 0 |
| Dollarhide 18A Remote | 9/3/26 | 70.1 5.9 | 1526 | 50.2 2.0 | 0101 | 56.1 2.2 | 95 3 | 62 18 | - | - | - | - | - | - | - | - | 0 0 |
| Hardin Rd (Eakle) | 9/3/26 | 69.6 7.6 | 1456 | 54.9 0.3 | 0101 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Angwin | 9/3/26 | 57.8 7.8 | 1312 | 51.2 0.2 | 0059 | 53.8 2.3 | 100 0 | 82 32 | 4.0 0.1 | 15.8 0.0 | 1210 | S | 183 | 0.24 | 0.29 | 0.002 0.012 | 0 0 | 60 10 |
| Lower Angwin (Pioneer) | 9/3/26 | 61.1 7.9 | 1343 | 52.3 0.2 | 0033 | - | - | - | 2.9 0.0 | 14.8 0.1 | 0311 | WNW | 288 | - | - | - | - | 60 10 |
| Las Posadas (Cal Fire) | 9/3/26 | 62.4 7.8 | 1446 | 54.6 1.6 | 2327 | 55.9 2.6 | 99 0 | 82 34 | 7.7 0.1 | 19.8 3.5 | 0925 | SSW | 196 | 0.15 | 0.22 | 0.036 0.057 | 140 145 | - |
| Deer Park | 9/3/26 | 66.7 9.2 | 1437 | 56.8 0.8 | 0628 | 56.3 2.9 | 95 1 | 65 28 | 3.3 0.8 | 15.8 0.3 | 1445 | WSW | 238 | 0.04 | 0.04 | 0.035 0.057 | 92 135 | 20 10 |
| Lower Chiles Valley (Brown) | 9/3/26 | 68.0 5.8 | 1323 | 55.2 8.1 | 0208 | 56.0 3.5 | 93 2 | 70 29 | 2.4 0.3 | 17.2 1.7 | 1342 | NW | 320 | 0.13 | 0.14 | 0.060 0.039 | 193 120 | 0 0 |
| Moss Creek Vineyard/Reservior | 9/3/26 | 67.1 9.2 | 1340 | 52.8 0.0 | 0132 | 56.2 3.7 | 93 1 | 72 33 | - | - | - | - | 0.04 | 0.04 | - | - | 0 0 |
| Max | 72.6 | - | 56.9 | - | 57.1 | 100 | 82 | 7.7 | 19.8 | - | - | 0.53 | 0.82 | 0.072 | 202 | - | |
| Avg | - | - | - | - | 55.9 | - | - | 3.9 | - | - | - | - | - | - | - | - | |
| Min | 57.8 | - | 48.4 | - | 53.8 | 90 | 54 | 2.4 | 14.8 | - | - | 0.00 | 0.00 | 0.002 | 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Calistoga-North | 9/3/26 | 68.7 9.3 | 1449 | 55.4 1.0 | 0027 | 58.3 2.5 | 98 1 | 71 27 | - | - | - | - | 0.06 | 0.09 | - | - | 20 10 |
| Diamond Mtn (Schramsberg) | 9/3/26 | 69.7 3.3 | 1338 | 54.9 0.4 | 0026 | 57.0 3.2 | 100 0 | 60 17 | - | - | - | - | 0.08 | 0.12 | - | - | 20 10 |
| Diamond Mtn (McEachran) | 9/3/26 | 69.1 3.9 | 1339 | 56.0 0.6 | 0008 | 56.8 2.5 | 97 0 | 62 17 | - | - | - | - | - | - | - | - | 0 0 |
| St. Helena-North | 9/3/26 | 72.6 4.8 | 1432 | 55.6 0.2 | 0059 | 55.8 3.4 | 100 1 | 54 21 | 1.3 | 9.6 5.5 | 1358 | S | 171 | 0.10 | 0.11 | 0.054 0.052 | 173 156 | 0 0 |
| St. Helena (NVV Office) | 9/3/26 | 73.2 5.2 | 1442 | 57.4 1.6 | 0053 | - | - | - | 0.9 | 10.2 0.7 | 1434 | W | 275 | 0.02 | 0.04 | - | - | 20 10 |
| Tiara Fria (East St. Helena) | 9/3/26 | 70.4 6.8 | 1423 | 54.4 0.9 | 0055 | 56.8 3.0 | 93 1 | 63 24 | 1.9 | 13.2 0.4 | 1445 | SW | 216 | 0.01 | 0.02 | - | - | 20 10 |
| Prisoner Winery | 9/3/26 | 73.4 3.5 | 1453 | 53.0 0.3 | 0215 | 57.1 3.1 | 97 3 | 56 18 | 1.3 | 11.3 3.1 | 1406 | SW | 221 | 0.02 | 0.06 | 0.009 0.069 | 0 222 | 0 0 |
| Rutherford Hill Estate | 9/3/26 | 69.5 8.4 | 1431 | 56.4 0.6 | 0043 | 56.8 2.4 | 95 4 | 67 29 | 1.4 | 14.7 2.4 | 1022 | S | 179 | 0.03 | 0.07 | 0.041 0.049 | 122 170 | 20 10 |
| Rutherford-North (Mee Ln) | 9/3/26 | 73.4 3.5 | 1457 | 50.9 0.9 | 0225 | 56.0 2.3 | 95 2 | 60 20 | 2.4 | 15.6 0.9 | 0938 | SE | 130 | 0.02 | 0.06 | 0.058 0.048 | 166 153 | 20 10 |
| Rutherford (STS) | 9/3/26 | 75.2 3.7 | 1442 | 51.2 0.7 | 0131 | 57.7 2.3 | 92 0 | 62 18 | 1.9 | 13.7 0.4 | 0959 | E | 96 | 0.02 | 0.04 | 0.068 0.052 | 214 168 | 80 10 |
| Oakville-NE (Ranch 88) | 9/3/26 | 71.3 5.8 | 1429 | 49.9 1.7 | 0218 | 55.9 4.2 | 100 15 | 60 24 | 1.9 | 15.1 1.2 | 1028 | SSE | 158 | 0.03 | 0.03 | 0.049 0.047 | 128 147 | 90 10 |
| OV561-East | 9/3/26 | 71.0 7.3 | 1432 | 54.2 0.8 | 0147 | - | - | - | - | - | - | - | - | - | - | - | 20 10 |
| Oakville | 9/3/26 | 71.1 5.5 | 1445 | 52.2 0.4 | 0205 | 56.8 3.6 | 95 5 | 62 23 | 3.1 | 15.2 0.8 | 1052 | ESE | 113 | 0.03 | 0.03 | 0.058 0.059 | 160 200 | 60 10 |
| OV518-West | 9/3/26 | 70.6 4.4 | 1452 | 53.6 1.4 | 0200 | - | - | - | - | - | - | - | - | - | - | - | 60 10 |
| To Kalon Remote (TKKE) | 9/3/26 | 74.7 3.9 | 1453 | 54.8 1.2 | 0144 | - | - | - | - | - | - | - | - | - | - | - | 80 10 |
| To Kalon | 9/3/26 | 72.0 4.8 | 1444 | 55.7 2.1 | 0101 | 57.6 3.3 | 95 3 | 63 22 | 2.8 | 13.8 0.6 | 1018 | SE | 137 | 0.00 | 0.00 | 0.063 0.052 | 182 161 | 50 10 |
| To Kalon Remote (TKN5) | 9/3/26 | 72.9 4.5 | 1445 | 56.6 3.0 | 0049 | - | - | - | - | - | - | - | - | - | - | - | 80 10 |
| Yountville (Ranch 67) | 9/3/26 | 68.4 7.7 | 1519 | 54.6 3.4 | 0153 | 56.3 3.9 | 94 5 | 68 29 | 2.9 | 12.9 3.1 | 0935 | SE | 124 | 0.04 | 0.04 | 0.060 0.057 | 205 201 | 60 10 |
| Stags Leap Dist (Silverado Vineyards) | 9/3/26 | 68.0 8.2 | 1522 | 55.4 3.3 | 0119 | 56.8 3.4 | 94 4 | 69 30 | 2.4 | 13.7 0.3 | 0921 | SSE | 163 | 0.03 | 0.07 | 0.046 0.046 | 126 170 | 70 10 |
| Borreo (Soda Canyon) | 9/3/26 | 63.9 10.3 | 1409 | 53.6 2.8 | 0127 | 56.5 3.6 | 96 2 | 80 39 | 1.3 | 11.0 0.6 | 1156 | SSE | 164 | 0.25 | 0.31 | 0.029 0.056 | 89 192 | 70 10 |
| Wappo Hill Floor | 9/3/26 | 69.2 7.3 | 1332 | 54.8 2.7 | 0018 | 57.9 3.7 | 100 0 | 72 32 | 2.4 | 12.0 0.7 | 1655 | NW | 322 | 0.04 | 0.09 | 0.038 0.060 | 101 191 | 80 10 |
| Stags Leap Dist (Chimney Rock) | 9/3/26 | 68.7 8.4 | 1328 | 55.2 2.8 | 0224 | 59.0 3.2 | 98 4 | 78 33 | 2.1 | 11.2 3.1 | 1017 | SSW | 192 | 0.08 | 0.10 | 0.033 0.054 | 92 174 | 80 10 |
| Yountville-South (Ranch 87) | 9/3/26 | 69.3 7.0 | 1330 | 53.9 1.5 | 0315 | 58.7 4.0 | 100 1 | 70 29 | 1.6 | 11.6 1.2 | 1109 | SSE | 164 | 0.04 | 0.09 | 0.042 0.066 | 122 223 | 90 10 |
| Yountville-SE (Ranch 85) | 9/3/26 | 68.6 8.7 | 1324 | 54.5 1.6 | 0223 | 58.6 4.0 | 100 5 | 74 35 | 1.8 | 9.6 3.9 | 1735 | NNE | 31 | 0.06 | 0.07 | - | 0 0 | 60 10 |
| Oak Knoll-East (Ranch 53) | 9/3/26 | 68.9 9.3 | 1315 | 52.2 0.9 | 0228 | 57.6 4.0 | 95 5 | 71 35 | 1.7 | 13.1 1.8 | 1221 | S | 177 | 0.14 | 0.15 | 0.044 0.065 | 126 219 | 90 10 |
| Napa-NW (Ranch 54) | 9/3/26 | 71.1 8.4 | 1254 | 52.3 0.5 | 0239 | 58.2 4.4 | 100 10 | 68 32 | 0.8 | 9.1 1.5 | 1359 | SW | 229 | 0.16 | 0.18 | - | 0 0 | 90 10 |
| Napa-North (Ranch 29) | 9/3/26 | 67.2 8.4 | 1305 | 54.4 1.9 | 0103 | 59.7 3.8 | 100 0 | 76 32 | 1.7 | 13.0 1.5 | 1052 | SSE | 167 | 0.08 | 0.10 | 0.026 0.044 | 68 138 | 80 10 |
| Max | 75.2 | - | 57.4 | - | 59.7 | 100 | 80 | 3.1 | 15.6 | - | - | 0.25 | 0.31 | 0.068 | 214 | - | |
| Avg | - | - | - | - | 57.4 | - | - | 1.9 | - | - | - | - | - | - | - | - | |
| Min | 63.9 | - | 49.9 | - | 55.8 | 92 | 54 | 0.8 | 9.1 | - | - | 0.00 | 0.00 | 0.009 | 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mt. Veeder | 9/3/26 | 61.5 6.7 | 1406 | 53.2 0.2 | 0041 | 56.2 2.9 | 100 0 | 90 37 | 2.0 | 13.9 2.4 | 0943 | SSE | 150 | 0.33 | 0.44 | 0.064 0.035 | 328 107 | 60 10 |
| Mount George (Napa East) | 9/3/26 | 76.0 1.8 | 0638 | 51.5 0.3 | 0135 | 57.9 3.5 | 98 3 | 76 31 | 1.3 | 11.3 0.7 | 1041 | WSW | 247 | 0.11 | 0.15 | 0.038 0.059 | 113 205 | 30 10 |
| Napa-East (Palmaz 300') | 9/3/26 | 67.2 10.9 | 1306 | 53.5 0.5 | 0142 | 58.3 3.4 | 100 6 | 74 33 | 0.7 | 12.3 1.6 | 1021 | WSW | 243 | 0.11 | 0.15 | 0.029 0.059 | 87 209 | 90 10 |
| Napa-East (Palmaz 1200') | 7/3/26 | 79.0 6.0 | 1616 | 49.0 3.8 | 0539 | 47.1 0.2 | 100 0 | 45 38 | 2.0 | 12.7 4.5 | 1533 | NW | 313 | - | - | 0.192 0.009 | 656 3 | 30 20 |
| Napa-East (Palmaz 1400') | 9/3/26 | 60.1 9.6 | 1347 | 53.4 0.3 | 0101 | 56.8 2.1 | 100 0 | 99 43 | 3.0 | 15.5 0.0 | 1204 | SW | 218 | 0.20 | 0.33 | 0.019 0.067 | 82 241 | 40 10 |
| Wooden Valley | 9/3/26 | 67.5 5.5 | 1313 | 56.3 5.5 | 0043 | 55.7 3.6 | 93 1 | 69 25 | 2.3 | 16.5 2.0 | 1635 | SSW | 202 | 0.03 | 0.04 | 0.059 0.065 | 202 208 | 20 10 |
| Napa-West Upper (Truchard) | 9/3/26 | 68.4 9.8 | 1352 | 54.8 0.5 | 0222 | 17.7 25.8 | 100 0 | 0 0 | 3.2 | 17.6 1.8 | 0950 | SSW | 196 | 0.06 | 0.09 | 0.061 0.056 | 135 195 | 80 10 |
| Napa-West Lower (Truchard) | 9/3/26 | 68.5 10.1 | 1253 | 49.0 0.5 | 0158 | 56.7 3.5 | 93 0 | 72 35 | - | - | - | - | - | - | - | - | 90 10 |
| Napa-South (Toyon Farms) | 9/3/26 | 67.8 9.2 | 1251 | 55.1 0.0 | 0115 | 59.7 2.4 | 100 1 | 79 32 | 3.4 | 17.3 0.3 | 1127 | SSE | 164 | 0.05 | 0.07 | 0.023 0.049 | 80 132 | 60 10 |
| Toyon Remote 1 | 9/3/26 | 68.7 9.8 | 1252 | 50.5 0.2 | 0127 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 9/3/26 | 68.4 8.4 | 1251 | 50.9 0.2 | 0111 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 9/3/26 | 69.2 11.1 | 1458 | 50.3 0.1 | 0203 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 9/3/26 | 69.5 7.2 | 1251 | 51.5 0.5 | 0148 | 57.7 3.2 | 95 2 | 69 29 | 1.8 | 12.5 1.0 | 1132 | S | 188 | 0.06 | 0.08 | 0.047 0.056 | 146 188 | 80 10 |
| Carneros (Saintsbury) | 9/3/26 | 66.2 9.6 | 1233 | 50.5 0.6 | 0059 | 55.6 1.5 | 100 0 | 74 32 | 4.1 | 18.6 0.2 | 1109 | S | 174 | 0.07 | 0.07 | - | - | 50 10 |
| Suscol Lower (Ranch 35) | 9/3/26 | 68.4 7.7 | 1254 | 53.9 0.2 | 0104 | 58.2 3.6 | 100 8 | 70 26 | 4.9 | 19.9 3.6 | 1508 | SSW | 209 | 0.13 | 0.14 | 0.052 0.073 | 127 242 | 40 10 |
| Suscol Mtn (Ranch 93) | 9/3/26 | 62.6 12.1 | 1353 | 55.3 0.1 | 0104 | 57.3 2.5 | 100 1 | 83 36 | 6.9 | 22.9 1.0 | 1144 | WNW | 288 | 0.22 | 0.32 | - | - | 40 10 |
| Suscol Upper (Ranch 92) | 9/3/26 | 63.3 11.3 | 1354 | 55.8 0.3 | 0158 | -16.9 65.4 | 100 0 | 0 0 | 4.2 | 21.8 3.4 | 1113 | SW | 230 | 0.10 | 0.15 | - | - | 10 10 |
| Stanly (Ranch 45) | 9/3/26 | 67.6 7.3 | 1311 | 54.4 3.9 | 0218 | 56.3 1.9 | 95 2 | 72 29 | 4.5 | 20.3 2.9 | 1123 | WNW | 286 | 0.14 | 0.14 | 0.060 0.082 | 174 274 | 80 10 |
| Carneros Upper (Ranch 81) | 9/3/26 | 67.4 8.6 | 1246 | 57.1 0.5 | 0116 | 43.5 11.0 | - | - | 6.0 | 23.3 1.4 | 1053 | SW | 224 | - | - | - | - | 30 10 |
| Carneros (Mitsuko) | 9/3/26 | 67.7 9.5 | 1335 | 51.8 2.6 | 0111 | - | - | - | - | - | - | - | - | - | - | - | 80 10 |
| Carneros Lower (Ranch 81) | 9/3/26 | 68.4 11.8 | 1311 | 53.7 1.7 | 0133 | 31.1 24.3 | 100 0 | 0 0 | 1.1 | 14.2 2.8 | 1012 | SSW | 192 | 0.00 | 0.00 | 0.007 0.003 | 2 1 | 60 10 |
| Carneros (Milton Rd) | 9/3/26 | 67.6 7.5 | 1106 | 52.1 1.1 | 0154 | 58.0 3.1 | 93 2 | 71 28 | - | - | - | - | 0.00 | 0.00 | - | - | 80 10 |
| Max | 76.0 | - | 57.1 | - | 59.7 | 100 | 99 | 6.9 | 23.3 | - | - | 0.33 | 0.44 | 0.064 | 328 | - | |
| Avg | - | - | - | - | 48.2 | - | - | 3.3 | - | - | - | - | - | - | - | - | |
| Min | 60.1 | - | 49.0 | - | -16.9 | 93 | 0 | 0.7 | 11.3 | - | - | 0.00 | 0.00 | 0.007 | 2 | - |