| 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 | 2/24/26 | 54.7 8.0 | 1314 | 51.0 4.5 | 0007 | - | - | - | - | - | - | - | 1.70 | 42.21 | - | - | - |
| Pope Valley (Weeks Lake) | 2/24/26 | 66.8 2.3 | 1140 | 53.1 6.7 | 0219 | 53.5 5.3 | 100 0 | 61 18 | 3.2 | 17.8 6.8 | 1118 | S | 188 | 0.45 | 21.59 | 0.063 0.013 | 201 45 | 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 | 2/24/26 | 67.0 2.4 | 1224 | 54.8 7.6 | 0230 | 55.4 4.5 | 98 2 | 67 18 | 6.1 | 28.2 13.8 | 0921 | SSE | 159 | 0.24 | 19.15 | 0.075 0.011 | 254 17 | - |
| Dollarhide 1AS Remote | 2/24/26 | 67.1 2.2 | 1155 | 54.0 9.6 | 0255 | 54.7 5.7 | 94 0 | 67 19 | 4.8 | 26.6 12.6 | 0917 | SSE | 163 | - | - | - | - | - |
| Dollarhide 17B Remote | 2/24/26 | 68.6 1.3 | 1206 | 53.9 6.7 | 0216 | 55.5 4.7 | 98 2 | 66 16 | - | - | - | - | - | - | - | - | - |
| Dollarhide 18A Remote | 2/24/26 | 67.7 1.6 | 1146 | 53.5 10.0 | 0239 | 54.7 5.6 | 98 2 | 65 17 | - | - | - | - | - | - | - | - | - |
| Angwin | 2/24/26 | 53.2 6.0 | 1402 | 47.9 0.6 | 0109 | 51.0 5.2 | 100 0 | 94 43 | 8.2 | 23.4 9.1 | 1051 | SSE | 166 | 1.13 | 38.42 | 0.001 0.023 | 0 0 | 0 0 |
| Lower Angwin (Pioneer) | 2/24/26 | 56.4 5.4 | 1233 | 49.7 4.6 | 0108 | - | - | - | 5.0 | 16.8 2.8 | 1426 | S | 174 | - | - | - | - | - |
| Deer Park | 2/24/26 | 63.9 3.9 | 1349 | 53.2 2.2 | 0129 | 53.6 4.7 | 99 1 | 68 30 | 7.0 | 19.4 1.9 | 1340 | S | 172 | 0.58 | 23.53 | 0.036 0.040 | 69 125 | - |
| Lower Chiles Valley (Brown) | 2/24/26 | 65.1 4.3 | 1140 | 55.3 12.3 | 0120 | 52.2 5.1 | 93 7 | 57 20 | 4.4 | 21.9 10.0 | 0944 | SSE | 148 | 0.63 | 20.62 | 0.077 0.002 | 238 27 | 0 0 |
| Moss Creek Vineyard/Reservior | 2/24/26 | 66.7 3.0 | 1146 | 55.1 10.2 | 0047 | 52.5 5.7 | 94 6 | 54 18 | - | - | - | - | 0.49 | 23.31 | - | - | - |
| Max | 68.6 | - | 55.3 | - | 55.5 | 100 | 94 | 8.2 | 28.2 | - | - | 1.70 | 42.21 | 0.077 | 254 | - | |
| Avg | - | - | - | - | 53.7 | - | - | 5.5 | - | - | - | - | - | - | - | - | |
| Min | 53.2 | - | 47.9 | - | 51.0 | 93 | 54 | 3.2 | 16.8 | - | - | 0.24 | 19.15 | 0.001 | 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 | 2/24/26 | 66.3 5.9 | 1201 | 53.9 3.4 | 0154 | 56.5 4.4 | 100 0 | 75 32 | - | - | - | - | 0.74 | 27.78 | - | - | 0 0 |
| Fotsch (Maple Lane) | 2/24/26 | 67.8 1.8 | 1207 | 53.8 3.9 | 0223 | 55.1 4.7 | 96 1 | 63 23 | 3.0 | 18.1 4.3 | 1452 | SSW | 204 | 0.64 | 25.69 | - | - | - |
| Diamond Mtn (Schramsberg) | 2/24/26 | 63.1 1.2 | 1232 | 51.6 0.6 | 0155 | 54.8 4.6 | 100 0 | 74 24 | - | - | - | - | 0.73 | 26.30 | - | - | - |
| Diamond Mtn (McEachran) | 2/24/26 | 65.9 1.0 | 1224 | 53.0 2.4 | 0148 | 55.3 4.4 | 99 0 | 67 23 | - | - | - | - | - | - | - | - | - |
| St. Helena-North | 2/24/26 | 68.0 1.4 | 1214 | 53.8 4.1 | 0154 | 55.1 4.9 | 100 0 | 60 22 | 3.5 | 21.5 10.3 | 1539 | SSE | 166 | 0.78 | 26.55 | 0.048 0.023 | 137 75 | 0 0 |
| St. Helena (NVV Office) | 2/24/26 | 68.9 0.6 | 1211 | 55.0 3.3 | 0137 | - | - | - | 2.3 | 11.5 1.7 | 1402 | SE | 143 | 0.51 | 23.46 | - | - | - |
| Tiara Fria (East St. Helena) | 2/24/26 | 66.9 1.7 | 1335 | 55.1 4.7 | 0203 | 54.7 4.0 | 97 0 | 61 22 | 4.0 | 22.0 10.6 | 1248 | ESE | 122 | 0.44 | 21.77 | - | - | - |
| Rutherford Hill Estate | 2/24/26 | 65.4 5.4 | 1228 | 54.8 3.2 | 0154 | 53.8 3.8 | 100 6 | 62 21 | 3.3 | 17.1 5.3 | 1005 | S | 185 | 0.34 | 21.31 | 0.038 0.032 | 96 133 | 0 0 |
| Rutherford-North (Mee Ln) | 2/24/26 | 68.8 0.5 | 1421 | 51.2 4.2 | 2358 | 53.0 3.2 | 99 0 | 58 20 | 6.1 | 20.4 6.6 | 1000 | SE | 129 | 0.38 | 20.44 | 0.063 0.014 | 173 67 | 0 0 |
| Rutherford (STS) | 2/24/26 | 69.7 0.7 | 1247 | 55.0 5.9 | 0150 | 54.6 3.2 | 90 1 | 64 16 | 4.9 | 16.2 3.7 | 1517 | SE | 134 | 0.42 | 21.60 | 0.062 0.020 | 188 97 | - |
| Oakville-NE (Ranch 88) | 2/24/26 | 66.8 2.1 | 1418 | 55.4 7.6 | 0149 | 53.6 4.0 | 96 0 | 55 14 | 4.1 | 17.3 4.8 | 1123 | S | 169 | 0.37 | 21.16 | 0.059 0.018 | 149 114 | 0 0 |
| OV561-East | 2/24/26 | 67.2 3.4 | 1420 | 55.4 7.6 | 0605 | - | - | - | - | - | - | - | - | - | - | - | - |
| Oakville | 2/24/26 | 66.2 2.8 | 1419 | 55.4 7.5 | 0140 | 53.9 4.1 | 98 0 | 55 14 | 7.3 | 21.3 7.5 | 1120 | SE | 124 | 0.33 | 21.71 | 0.066 0.015 | 165 97 | - |
| OV518-West | 2/24/26 | 67.1 1.8 | 1253 | 55.8 7.4 | 0130 | - | - | - | - | - | - | - | - | - | - | - | - |
| To Kalon Remote (TKKE) | 2/24/26 | 67.7 2.1 | 1257 | 55.3 7.3 | 0151 | - | - | - | - | - | - | - | - | - | - | - | - |
| To Kalon | 2/24/26 | 68.0 0.4 | 1127 | 54.8 6.7 | 0111 | 54.8 4.3 | 98 2 | 60 19 | 6.1 | 18.2 6.3 | 1343 | SE | 140 | 0.43 | 23.57 | 0.065 0.012 | 180 59 | - |
| To Kalon Remote (TKN5) | 2/24/26 | 68.7 0.6 | 1126 | 56.1 8.7 | 0131 | - | - | - | - | - | - | - | - | - | - | - | - |
| Yountville (Ranch 67) | 2/24/26 | 65.7 2.3 | 1301 | 55.4 9.0 | 0144 | 53.1 3.9 | 97 1 | 56 10 | 7.2 | 23.9 12.0 | 1323 | SSE | 153 | 0.06 | 19.71 | 0.075 0.006 | 216 66 | - |
| Stags Leap Dist (Silverado Vineyards) | 2/24/26 | 66.2 1.1 | 1301 | 55.4 8.6 | 0049 | 52.8 3.9 | 94 2 | 54 8 | 5.6 | 21.4 6.7 | 1421 | SE | 130 | 0.33 | 23.88 | 0.070 0.014 | 193 92 | - |
| Borreo (Soda Canyon) | 2/24/26 | 63.7 3.0 | 1318 | 53.0 7.9 | 0657 | 52.9 4.5 | 98 2 | 58 13 | 2.6 | 13.8 5.4 | 1153 | WSW | 237 | 0.47 | 23.74 | 0.051 0.024 | 164 120 | - |
| Wappo Hill Floor | 2/24/26 | 67.3 1.2 | 1308 | 54.1 9.6 | 0716 | 54.4 4.2 | 100 0 | 58 11 | 5.2 | 18.9 9.1 | 1138 | S | 179 | 0.30 | 23.24 | 0.065 0.009 | 187 64 | - |
| Stags Leap Dist (Chimney Rock) | 2/24/26 | 66.6 2.2 | 1301 | 54.5 8.5 | 0702 | 31.9 3.5 | - | - | 4.9 | 19.3 7.9 | 1136 | S | 178 | 0.18 | 20.36 | 0.079 0.006 | 169 64 | 0 0 |
| Yountville-South (Ranch 87) | 2/24/26 | 67.6 0.4 | 1306 | 54.0 8.6 | 0649 | 55.1 4.3 | 100 0 | 59 10 | 5.0 | 19.4 9.2 | 1257 | SSW | 205 | 0.29 | 23.61 | 0.067 0.005 | 206 37 | - |
| Yountville-SE (Ranch 85) | 2/24/26 | 68.1 1.2 | 1307 | 54.3 8.3 | 0652 | 55.0 4.4 | 100 0 | 57 10 | 3.6 | 17.2 7.4 | 1145 | SSW | 200 | 0.34 | 22.14 | - | 0 0 | 0 0 |
| Oak Knoll-East (Ranch 53) | 2/24/26 | 67.2 2.4 | 1307 | 53.3 8.0 | 0658 | 54.1 4.9 | 96 0 | 54 18 | 4.0 | 18.7 9.2 | 1128 | S | 172 | 0.39 | 20.40 | 0.066 0.009 | 192 57 | - |
| Napa-NW (Ranch 54) | 2/24/26 | 67.5 0.7 | 1206 | 53.8 7.5 | 0645 | 55.2 5.2 | 100 0 | 56 10 | 3.4 | 17.5 7.7 | 1255 | S | 174 | 0.46 | 22.61 | - | 0 0 | 0 0 |
| Napa-North (Ranch 29) | 2/24/26 | 67.6 2.3 | 1213 | 53.9 8.3 | 0655 | 55.6 5.9 | 100 0 | 55 14 | 3.4 | 20.4 8.6 | 1321 | SSE | 166 | 0.50 | 20.27 | 0.053 0.005 | 140 37 | - |
| Max | 69.7 | - | 56.1 | - | 56.5 | 100 | 75 | 7.3 | 23.9 | - | - | 0.78 | 27.78 | 0.079 | 216 | - | |
| Avg | - | - | - | - | 53.4 | - | - | 4.5 | - | - | - | - | - | - | - | - | |
| Min | 63.1 | - | 51.2 | - | 31.9 | 90 | 54 | 2.3 | 11.5 | - | - | 0.06 | 19.71 | 0.038 | 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 | 2/24/26 | 59.3 2.4 | 1208 | 51.1 0.9 | 0207 | 52.3 6.0 | 100 0 | 73 29 | 5.9 | 22.8 11.0 | 1354 | SSW | 199 | 0.75 | 29.11 | 0.061 0.034 | 363 85 | 0 0 |
| Mount George (Napa East) | 2/24/26 | 67.6 8.2 | 1302 | 52.7 7.5 | 0703 | 53.9 4.7 | 97 1 | 55 17 | 1.7 | 14.3 3.7 | 1144 | SSE | 161 | 0.64 | 11.76 | 0.068 0.015 | 242 48 | - |
| Napa-East (Palmaz 300') | 2/24/26 | 69.3 2.3 | 1302 | 54.2 6.4 | 0651 | 54.9 6.3 | 100 0 | 53 20 | 2.0 | 14.6 1.1 | 1411 | SW | 231 | 0.61 | 18.17 | 0.064 0.016 | 214 49 | - |
| Napa-East (Palmaz 1200') | 2/24/26 | 62.9 2.7 | 1303 | 53.5 9.5 | 0001 | 46.9 1.7 | 100 0 | 28 25 | 2.6 | 15.7 6.1 | 1415 | NNW | 328 | - | - | 0.064 0.014 | 200 77 | - |
| Napa-East (Palmaz 1400') | 2/24/26 | 62.3 3.0 | 1045 | 52.4 8.2 | 0001 | 53.0 6.6 | 100 0 | 65 24 | 4.6 | 20.1 6.7 | 1548 | SW | 236 | 0.79 | 24.47 | 0.054 0.024 | 210 70 | - |
| 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) | 2/24/26 | 66.3 3.3 | 1112 | 54.2 5.3 | 0206 | 15.8 7.6 | 100 0 | 0 0 | 6.4 | 24.9 12.4 | 1138 | SSW | 199 | 0.58 | 20.08 | 0.094 0.011 | 196 88 | 0 0 |
| Napa-West Lower (Truchard) | 2/24/26 | 67.7 3.1 | 1114 | 51.0 9.0 | 0649 | 53.9 4.7 | 100 0 | 60 11 | - | - | - | - | - | - | - | - | 0 0 |
| Napa-South (Toyon Farms) | 2/24/26 | 66.0 3.8 | 1110 | 54.2 5.3 | 0646 | 56.4 4.0 | 100 0 | 68 12 | 5.1 | 19.0 8.4 | 1514 | S | 177 | 0.51 | 13.88 | 0.030 0.010 | 90 57 | 0 0 |
| Toyon Remote 1 | 2/24/26 | 66.8 1.1 | 1034 | 53.2 9.3 | 0659 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 2/24/26 | 66.4 1.5 | 1303 | 52.9 8.2 | 0645 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 2/24/26 | 66.8 2.3 | 1036 | 52.9 9.5 | 0636 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 2/24/26 | 66.2 1.2 | 1111 | 54.1 9.1 | 0637 | 54.4 4.2 | 97 0 | 59 8 | 2.6 | 16.9 6.9 | 1132 | S | 177 | 0.58 | 19.31 | 0.055 0.019 | 178 101 | - |
| Carneros (Saintsbury) | 2/24/26 | 64.9 3.1 | 1301 | 51.9 7.3 | 0704 | 53.4 3.8 | 100 0 | 63 14 | 4.8 | 18.2 7.8 | 1512 | SW | 214 | 0.42 | 5.55 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 2/24/26 | 67.4 0.9 | 1106 | 54.0 7.2 | 0648 | 31.5 17.6 | - | - | 4.6 | 19.1 5.5 | 1423 | SW | 216 | 0.43 | 18.25 | 0.076 0.006 | 191 77 | - |
| Suscol Mtn (Ranch 93) | 2/24/26 | 64.8 1.3 | 1127 | 53.1 1.6 | 0001 | 52.9 5.4 | 100 8 | 59 16 | 6.5 | 22.3 3.4 | 1245 | WSW | 257 | 0.56 | 13.68 | - | - | - |
| Suscol Upper (Ranch 92) | 2/24/26 | 66.2 3.8 | 1125 | 53.8 2.5 | 0001 | 48.6 0.2 | 100 7 | 3 37 | 2.3 | 19.3 5.2 | 1448 | SSW | 204 | 0.46 | 18.06 | - | - | 0 0 |
| Stanly (Ranch 45) | 2/24/26 | 67.2 3.2 | 1111 | 53.5 8.8 | 0709 | 53.5 4.3 | 99 1 | 58 14 | 5.4 | 18.8 6.5 | 1425 | SW | 228 | 0.38 | 19.57 | 0.063 0.025 | 198 112 | 0 0 |
| Carneros Upper (Ranch 81) | 2/24/26 | 66.7 1.8 | 1114 | 54.8 3.5 | 0138 | 38.1 12.2 | - | - | 8.1 | 23.1 11.0 | 1252 | SSW | 212 | - | - | - | - | 0 0 |
| Carneros (Mitsuko) | 2/24/26 | 66.1 3.6 | 1037 | 52.4 8.7 | 0633 | - | - | - | - | - | - | - | - | - | - | - | - |
| Carneros Lower (Ranch 81) | 2/24/26 | 68.5 0.8 | 1121 | 54.4 8.6 | 0637 | 31.7 6.8 | 100 0 | 0 0 | 2.0 | 14.4 6.6 | 1053 | SSE | 160 | 0.35 | 16.91 | 0.055 0.008 | 151 80 | 0 0 |
| Carneros (Milton Rd) | 2/24/26 | 66.8 4.0 | 1132 | 54.2 9.3 | 0646 | 54.7 4.7 | 95 0 | 59 13 | - | - | - | - | 0.00 | 5.75 | - | - | - |
| Max | 69.3 | - | 54.8 | - | 56.4 | 100 | 73 | 8.1 | 24.9 | - | - | 0.79 | 29.11 | 0.094 | 363 | - | |
| Avg | - | - | - | - | 47.4 | - | - | 4.3 | - | - | - | - | - | - | - | - | |
| Min | 59.3 | - | 51.0 | - | 15.8 | 95 | 0 | 1.7 | 14.3 | - | - | 0.00 | 5.55 | 0.030 | 90 | - |