| 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 | 1/25/26 | 53.8 8.3 | 1128 | 31.2 5.9 | 2226 | - | - | - | - | - | - | - | 0.00 | 34.57 | - | - | - |
| Pope Valley (Weeks Lake) | 1/25/26 | 56.3 9.7 | 1214 | 23.1 4.7 | 0459 | 28.7 5.9 | 100 0 | 28 17 | 0.9 | 6.4 19.1 | 1450 | SE | 132 | 0.00 | 16.94 | 0.036 0.073 | 142 146 | 0 0 |
| Whiskey River Winery | 12/13/25 | 52.8 3.6 | 1548 | 37.3 0.3 | 0759 | 36.3 2.0 | 88 11 | 68 4 | 0.0 | 0.0 2.4 | 0001 | SE | 128 | 0.00 | 7.07 | - | - | - |
| Dollarhide Base | 1/25/26 | 55.0 11.3 | 1237 | 30.0 7.8 | 0750 | 33.0 6.8 | 99 1 | 38 24 | 2.3 | 11.3 14.1 | 1454 | NE | 47 | 0.00 | 14.79 | 0.041 0.086 | 156 155 | - |
| Dollarhide 1AS Remote | 1/25/26 | 55.0 11.8 | 1253 | 22.4 3.1 | 0628 | 30.7 3.1 | 96 0 | 46 30 | 0.8 | 5.8 15.0 | 1454 | NE | 44 | - | - | - | - | - |
| Dollarhide 17B Remote | 1/25/26 | 55.2 14.3 | 1215 | 26.6 5.4 | 0637 | 32.3 3.9 | 99 1 | 43 29 | - | - | - | - | - | - | - | - | - |
| Dollarhide 18A Remote | 1/25/26 | 54.5 12.3 | 1258 | 20.9 3.6 | 0604 | 30.2 2.6 | 100 0 | 47 32 | - | - | - | - | - | - | - | - | - |
| Angwin | 1/25/26 | 49.1 7.6 | 0011 | 37.9 7.0 | 2007 | 20.4 4.4 | 88 40 | 17 5 | 7.7 | 17.9 13.2 | 0839 | N | 7 | 0.00 | 32.03 | 0.061 0.062 | 0 0 | 0 0 |
| Lower Angwin (Pioneer) | 1/25/26 | 51.6 9.0 | 0028 | 36.4 11.3 | 2055 | - | - | - | 3.9 | 12.5 12.6 | 0350 | NE | 51 | - | - | - | - | - |
| Deer Park | 1/25/26 | 57.4 10.8 | 0028 | 42.9 2.9 | 2347 | 28.2 7.2 | 83 16 | 14 4 | 4.1 | 15.9 8.3 | 0016 | NNE | 12 | 0.00 | 18.50 | 0.055 0.057 | 112 101 | - |
| Lower Chiles Valley (Brown) | 1/25/26 | 53.8 10.8 | 1231 | 31.2 2.5 | 0104 | 30.0 7.6 | 96 4 | 23 10 | 2.4 | 11.2 13.6 | 0345 | ENE | 77 | 0.00 | 14.39 | 0.046 0.078 | 147 156 | 0 0 |
| Moss Creek Vineyard/Reservior | 1/24/26 | 65.5 2.3 | 1442 | 36.2 2.1 | 0019 | 27.1 14.8 | 100 0 | 14 44 | - | - | - | - | 0.00 | 19.00 | - | - | - |
| Max | 57.4 | - | 42.9 | - | 33.0 | 100 | 47 | 7.7 | 17.9 | - | - | 0.00 | 34.57 | 0.061 | 156 | - | |
| Avg | - | - | - | - | 29.2 | - | - | 3.2 | - | - | - | - | - | - | - | - | |
| Min | 49.1 | - | 20.9 | - | 20.4 | 83 | 14 | 0.8 | 5.8 | - | - | 0.00 | 14.39 | 0.036 | 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 | 1/25/26 | 56.4 14.4 | 1156 | 34.9 5.2 | 2359 | 33.6 5.0 | 97 3 | 29 16 | - | - | - | - | 0.00 | 22.65 | - | - | - |
| Fotsch (Maple Lane) | 1/25/26 | 54.4 16.4 | 1354 | 34.6 1.2 | 0440 | 33.8 6.7 | 94 4 | 37 29 | 3.5 | 13.2 12.6 | 1023 | E | 97 | 0.00 | 20.61 | - | - | - |
| Diamond Mtn (Schramsberg) | 1/25/26 | 58.8 7.1 | 0018 | 44.7 3.5 | 2256 | 24.8 7.3 | 79 8 | 12 2 | - | - | - | - | 0.00 | 20.76 | - | - | - |
| Diamond Mtn (McEachran) | 1/25/26 | 60.0 7.8 | 0048 | 39.7 0.7 | 0832 | 30.7 8.9 | 85 15 | 12 3 | - | - | - | - | - | - | - | - | - |
| St. Helena-North | 1/25/26 | 54.0 17.1 | 1353 | 37.3 1.4 | 2347 | 33.7 7.2 | 89 10 | 36 30 | 3.2 | 12.3 1.1 | 1022 | SSE | 153 | 0.00 | 20.73 | 0.037 0.039 | 115 110 | - |
| St. Helena (NVV Office) | 1/25/26 | 55.6 13.8 | 1442 | 34.5 4.4 | 0623 | - | - | - | 1.2 | 7.3 10.0 | 1014 | ESE | 120 | 0.00 | 18.18 | - | - | - |
| Tiara Fria (East St. Helena) | 1/25/26 | 54.5 14.5 | 1446 | 30.8 5.1 | 0734 | 34.6 5.8 | 95 3 | 50 41 | 1.7 | 7.5 15.3 | 1019 | SE | 138 | 0.00 | 16.72 | - | - | - |
| Rutherford Hill Estate | 1/25/26 | 55.5 15.3 | 0138 | 40.4 0.7 | 0702 | 32.4 7.8 | 83 17 | 17 7 | 1.3 | 6.6 11.8 | 0054 | ENE | 73 | 0.00 | 17.00 | 0.032 0.047 | 137 123 | 0 0 |
| Rutherford-North (Mee Ln) | 1/25/26 | 55.5 13.8 | 1436 | 29.5 3.1 | 0710 | 34.3 6.8 | 98 2 | 53 42 | 2.0 | 9.9 12.9 | 1550 | ESE | 116 | 0.00 | 15.32 | 0.037 0.048 | 146 116 | 0 0 |
| Rutherford (STS) | 1/25/26 | 56.9 12.6 | 1421 | 29.9 6.4 | 0517 | 36.3 5.2 | 92 2 | 59 43 | 1.7 | 8.3 12.2 | 1516 | ESE | 109 | 0.00 | 16.02 | 0.039 0.071 | 174 128 | - |
| Oakville-NE (Ranch 88) | 1/25/26 | 55.7 13.9 | 1421 | 29.3 5.7 | 0703 | 33.6 6.4 | 94 3 | 40 30 | 1.4 | 8.8 11.7 | 1459 | S | 174 | 0.00 | 16.03 | 0.039 0.072 | 167 140 | 0 0 |
| OV561-East | 1/25/26 | 56.9 15.3 | 1436 | 31.4 6.3 | 0725 | - | - | - | - | - | - | - | - | - | - | - | - |
| Oakville | 1/25/26 | 54.5 14.2 | 1418 | 30.9 5.7 | 0730 | 34.8 6.2 | 97 2 | 38 27 | 2.6 | 10.2 15.7 | 1517 | SE | 146 | 0.00 | 16.58 | 0.042 0.079 | 178 118 | - |
| OV518-West | 1/25/26 | 55.1 12.7 | 1432 | 31.5 6.2 | 0740 | - | - | - | - | - | - | - | - | - | - | - | - |
| To Kalon Remote (TKKE) | 1/25/26 | 55.8 13.7 | 1415 | 30.0 6.3 | 0735 | - | - | - | - | - | - | - | - | - | - | - | - |
| To Kalon | 1/25/26 | 55.2 15.6 | 1403 | 31.0 7.3 | 0724 | 34.9 5.8 | 98 2 | 29 17 | 2.0 | 9.2 5.6 | 1512 | SE | 128 | 0.00 | 17.71 | 0.038 0.059 | 155 124 | - |
| To Kalon Remote (TKN5) | 1/25/26 | 56.3 13.4 | 1409 | 30.4 6.2 | 0729 | - | - | - | - | - | - | - | - | - | - | - | - |
| Yountville (Ranch 67) | 1/25/26 | 54.2 13.0 | 1412 | 30.6 6.9 | 0512 | 34.6 7.7 | 96 2 | 32 21 | 2.1 | 10.5 13.0 | 1213 | S | 187 | 0.00 | 15.16 | 0.046 0.085 | 274 48 | - |
| Stags Leap Dist (Silverado Vineyards) | 1/25/26 | 54.2 13.2 | 1155 | 31.1 5.4 | 0340 | 34.5 7.2 | 95 3 | 35 25 | 1.7 | 10.6 11.5 | 1141 | S | 169 | 0.00 | 18.44 | 0.042 0.062 | 188 106 | - |
| Borreo (Soda Canyon) | 1/25/26 | 58.4 7.7 | 0001 | 33.2 6.0 | 0626 | 32.8 10.1 | 92 7 | 13 3 | 1.7 | 15.6 11.1 | 0011 | N | 2 | 0.00 | 18.80 | 0.041 0.094 | 196 111 | - |
| Wappo Hill Floor | 1/25/26 | 55.0 12.6 | 1138 | 31.7 8.3 | 0432 | 36.1 6.6 | 100 0 | 31 18 | 1.7 | 9.9 15.3 | 1203 | SSW | 195 | 0.00 | 18.22 | 0.041 0.084 | 177 119 | - |
| Stags Leap Dist (Chimney Rock) | 1/25/26 | 55.1 14.0 | 1400 | 30.6 10.1 | 0531 | - | - | - | 1.8 | 11.6 13.2 | 1212 | SSW | 208 | 0.00 | 16.24 | 0.037 0.081 | 158 101 | 0 0 |
| Yountville-South (Ranch 87) | 1/25/26 | 55.0 15.0 | 1409 | 31.0 9.2 | 0352 | 36.5 6.8 | 100 0 | 31 19 | 1.7 | 9.7 8.8 | 1133 | SSE | 157 | 0.00 | 18.26 | 0.039 0.057 | 163 123 | - |
| Yountville-SE (Ranch 85) | 1/25/26 | 55.0 13.7 | 1410 | 31.8 9.4 | 0434 | 36.4 6.1 | 97 3 | 41 28 | 1.2 | 6.9 16.7 | 1110 | WNW | 293 | 0.00 | 17.18 | - | 0 0 | 0 0 |
| Oak Knoll-East (Ranch 53) | 1/25/26 | 54.7 13.9 | 1344 | 31.1 10.2 | 0520 | 36.8 7.3 | 94 4 | 52 41 | 1.7 | 9.1 9.8 | 0709 | E | 98 | 0.00 | 16.09 | 0.040 0.068 | 163 114 | - |
| Napa-NW (Ranch 54) | 1/25/26 | 54.4 13.9 | 1351 | 32.4 8.6 | 0318 | 36.7 7.1 | 91 9 | 38 27 | 1.8 | 10.4 11.3 | 1118 | SSE | 150 | 0.00 | 17.24 | - | 0 0 | 0 0 |
| Napa-North (Ranch 29) | 1/25/26 | 54.7 14.0 | 1347 | 31.2 4.9 | 0414 | 37.2 4.6 | 100 0 | 55 42 | 1.1 | 9.8 6.6 | 1210 | SW | 220 | 0.00 | 15.78 | 0.027 0.034 | 97 81 | - |
| Max | 60.0 | - | 44.7 | - | 37.2 | 100 | 59 | 3.5 | 15.6 | - | - | 0.00 | 22.65 | 0.046 | 274 | - | |
| Avg | - | - | - | - | 34.2 | - | - | 1.9 | - | - | - | - | - | - | - | - | |
| Min | 54.0 | - | 29.3 | - | 24.8 | 79 | 12 | 1.1 | 6.6 | - | - | 0.00 | 15.16 | 0.027 | 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 | 1/25/26 | 52.7 9.3 | 1356 | 42.4 5.0 | 2202 | 27.7 7.0 | 86 25 | 20 5 | 1.7 | 12.2 10.0 | 0259 | N | 10 | 0.00 | 22.87 | 0.047 0.053 | 177 103 | 0 0 |
| Mount George (Napa East) | 1/25/26 | 56.3 15.0 | 1407 | 31.6 5.2 | 0306 | 36.7 4.0 | 96 3 | 51 36 | 1.9 | 13.6 11.6 | 1412 | E | 82 | 0.00 | 7.16 | 0.045 0.063 | 194 114 | - |
| Napa-East (Palmaz 300') | 1/25/26 | 55.7 14.6 | 1412 | 35.8 0.5 | 0242 | 36.0 5.8 | 95 5 | 28 16 | 1.9 | 12.4 8.2 | 1000 | E | 86 | 0.00 | 14.03 | 0.040 0.041 | 164 100 | - |
| Napa-East (Palmaz 1200') | 1/25/26 | 54.8 9.3 | 0003 | 38.8 3.0 | 2306 | 33.5 11.1 | 100 0 | 16 3 | 5.3 | 21.3 0.8 | 0656 | E | 94 | - | - | 0.045 0.066 | 180 100 | - |
| Napa-East (Palmaz 1400') | 1/25/26 | 53.2 8.8 | 0001 | 40.0 2.4 | 0657 | 33.9 11.1 | 92 8 | 18 4 | 6.1 | 22.5 1.4 | 0348 | NE | 51 | 0.00 | 19.50 | 0.048 0.086 | 175 107 | - |
| Wooden Valley | 4/30/25 | 78.8 0.4 | 1303 | 51.0 7.3 | 0600 | 49.9 1.6 | 90 5 | 34 2 | 4.0 | 16.6 0.3 | 0031 | SW | 220 | 0.00 | 30.39 | 0.212 0.008 | 668 2 | 0 0 |
| Napa-West Upper (Truchard) | 1/25/26 | 53.4 15.1 | 1156 | 38.3 0.2 | 0431 | - | - | - | 2.6 | 10.6 6.9 | 1007 | NE | 51 | 0.00 | 15.55 | 0.039 0.057 | 170 129 | 0 0 |
| Napa-West Lower (Truchard) | 1/25/26 | 54.3 16.5 | 1341 | 28.4 2.2 | 0429 | 36.8 3.4 | 100 0 | 63 48 | - | - | - | - | - | - | - | - | 0 0 |
| Napa-South (Toyon Farms) | 1/25/26 | 55.4 16.2 | 1410 | 39.0 1.7 | 0513 | 40.9 3.7 | 98 2 | 60 43 | 0.9 | 7.8 2.5 | 1502 | SSE | 147 | 0.00 | 9.78 | 0.018 0.028 | 80 77 | 0 0 |
| Toyon Remote 1 | 1/25/26 | 54.5 13.9 | 1421 | 30.4 1.9 | 0501 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 1/25/26 | 54.8 13.9 | 1349 | 33.2 1.2 | 0720 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 1/25/26 | 54.6 14.5 | 1348 | 31.0 1.3 | 0459 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 1/25/26 | 53.1 14.4 | 1412 | 33.5 1.5 | 0728 | 38.4 3.2 | 96 1 | 66 51 | 2.6 | 11.7 6.0 | 1149 | ESE | 114 | 0.00 | 14.80 | 0.037 0.053 | 170 125 | - |
| Carneros (Saintsbury) | 1/25/26 | 53.1 15.4 | 1341 | 34.9 2.0 | 0520 | 38.8 5.7 | 100 0 | 67 53 | 2.9 | 12.4 2.2 | 0945 | E | 80 | 0.00 | 1.65 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 1/25/26 | 52.1 17.6 | 1358 | 34.3 2.6 | 0131 | 37.8 5.4 | - | - | 5.5 | 18.2 0.2 | 1200 | ENE | 76 | 0.00 | 14.19 | 0.042 0.059 | 161 125 | - |
| Suscol Mtn (Ranch 93) | 1/25/26 | 55.7 11.3 | 0016 | 40.2 1.6 | 0422 | 37.1 12.3 | 98 1 | 15 3 | 13.8 | 32.6 9.9 | 1247 | E | 96 | 0.00 | 9.84 | - | - | - |
| Suscol Upper (Ranch 92) | 1/25/26 | 52.7 15.0 | 0001 | 41.2 1.9 | 0539 | 38.7 11.6 | 100 0 | 22 9 | 5.2 | 22.0 4.2 | 1244 | NE | 55 | 0.00 | 13.66 | - | - | 0 0 |
| Stanly (Ranch 45) | 1/25/26 | 53.2 15.8 | 1358 | 33.5 1.3 | 0411 | 38.9 6.0 | 97 2 | 64 51 | 4.9 | 16.2 5.3 | 0451 | ESE | 106 | 0.00 | 15.30 | 0.043 0.070 | 171 154 | 0 0 |
| Carneros Upper (Ranch 81) | 1/25/26 | 52.1 15.0 | 1327 | 39.2 2.2 | 0305 | 39.3 44.0 | - | - | 6.5 | 18.9 5.5 | 1152 | E | 99 | - | - | - | - | - |
| Carneros (Mitsuko) | 1/25/26 | 52.6 16.3 | 1413 | 31.8 0.5 | 0544 | - | - | - | - | - | - | - | - | - | - | - | - |
| Carneros Lower (Ranch 81) | 1/25/26 | 52.0 16.6 | 1327 | 32.9 4.2 | 0307 | 33.3 19.2 | 100 0 | 0 0 | 1.9 | 11.7 5.4 | 1120 | SSE | 152 | 0.00 | 12.79 | 0.030 0.047 | 118 74 | - |
| Carneros (Milton Rd) | 1/25/26 | 51.6 17.4 | 1410 | 35.8 1.3 | 2233 | 39.7 5.0 | 93 2 | 63 48 | - | - | - | - | 0.00 | 5.74 | - | - | - |
| Max | 56.3 | - | 42.4 | - | 40.9 | 100 | 67 | 13.8 | 32.6 | - | - | 0.00 | 22.87 | 0.048 | 194 | - | |
| Avg | - | - | - | - | 36.7 | - | - | 4.2 | - | - | - | - | - | - | - | - | |
| Min | 51.6 | - | 28.4 | - | 27.7 | 86 | 0 | 0.9 | 7.8 | - | - | 0.00 | 1.65 | 0.018 | 80 | - |