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Sonoma County-North Daily Obs

14 Stations

Daily Data | America/Los_Angeles

as of 3/30/26 3:54 AM PDT

Station	Date	Daily Max Temp (°F)	Time of Max Temp	Daily Min Temp (°F)	Time of Min Temp	Dew Pt (°F)	RH (%)	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)
Rockpile Lower (Cooley)	3/29/26	84.5 2.0	1315	61.6 4.6	2343	35.4 1.7	29	48 5	11 3	3.3	17.1 1.8	1854	WNW \| 297	0.00	36.97	-	-	100 10
Rockpile Upper (Cooley)	3/29/26	78.5 2.7	1325	59.9 2.2	2143	33.7 0.5	28	45 1	14 2	7.6	21.9 1.1	1922	NNW \| 332	0.00	37.66	0.229 0.009	526 42	100 0
Cloverdale-East (Ranch 83)	3/29/26	87.3 3.2	1522	51.4 4.5	0702	40.6 1.6	-	-	-	6.0	20.4 2.4	0937	NNE \| 28	0.00	30.99	0.201 0.013	475 40	50 10
Cloverdale-SE (Ranch 38)	3/29/26	87.1 2.7	1505	55.8 7.5	0651	40.7 2.3	37	56 10	16 3	7.6	21.3 0.6	1008	NNW \| 341	0.00	32.45	0.220 0.035	448 28	70 10
Geyserville-North (Hoffman)	3/29/26	91.0 0.4	1550	47.3 9.5	0714	43.5 1.7	47	85 9	18 2	2.4	11.5 0.7	1034	NNW \| 330	0.00	25.50	0.159 0.002	437 48	0 0
Geyserville (Ranch 3)	3/29/26	89.1 1.1	1442	51.6 11.5	0501	41.0 2.2	41	73 18	13 4	4.2	13.6 1.8	0952	WNW \| 299	0.00	31.63	0.191 0.026	465 31	50 10
Geyserville-East (Ranch 40)	3/29/26	89.6 1.8	1501	55.1 7.5	0610	42.0 1.6	37	59 8	18 3	2.8	14.7 2.2	1807	NW \| 324	0.00	32.10	0.178 0.005	490 43	50 10
Geyserville-South (Nervo Station)	3/29/26	89.7 4.6	1507	50.5 6.5	0653	-	-	-	-	2.1	15.8 5.7	2115	WNW \| 299	0.00	24.64	-	-	80 10
Jimtown-North (Piccolo Ranch 15)	3/29/26	88.0 2.1	1600	44.1 5.9	0712	42.1 0.2	52	100 0	14 5	1.5	11.0 0.7	1510	N \| 0	0.00	29.34	0.135 0.004	402 52	90 10
HWY 128/Chalk Hill Rd (Landslide)	3/29/26	90.8 5.2	1517	42.3 3.8	0644	44.9 0.8	63	98 1	14 7	1.4	11.1 0.0	1410	SW \| 225	0.00	28.06	0.144 0.003	413 40	70 10
N Chalk Hill Rd (Ranch 63)	3/29/26	87.8 2.6	1513	39.8 3.3	0718	44.3 1.4	63	100 0	14 7	1.2	8.3 3.9	1746	SSW \| 204	0.00	29.61	0.140 0.008	426 35	70 10
Knights Valley (Bavarian Lion)	3/29/26	87.0 2.6	1440	39.3 2.9	0718	43.4 0.0	62	97 0	14 8	2.1	11.7 1.1	1401	NW \| 309	0.00	27.72	0.162 0.000	479 39	100 0
Upper Dry Creek Valley	3/29/26	88.6 1.0	1500	46.5 7.6	0701	43.5 0.5	51	90 3	14 1	1.8	10.7 1.4	1827	W \| 269	0.00	34.53	0.168 0.007	501 48	80 10
Lower Dry Creek Valley	3/29/26	91.4 5.1	1429	44.4 6.2	0639	43.4 0.1	54	100 0	13 6	1.8	11.7 1.4	1528	NW \| 321	0.00	33.46	0.162 0.003	462 25	50 10
Max		91.4	-	61.6	-	44.9	63	100	18	7.6	21.9	-	-	0.00	37.66	0.229	526	-
Avg		-	-	-	-	41.4	47	-	-	3.3	-	-	-	-	-	-	-	-
Min		78.5	-	39.3	-	33.7	28	45	11	1.2	8.3	-	-	0.00	24.64	0.135	402	-

Sonoma County-Central Daily Obs

Daily Data

as of 3/30/26 3:54 AM PDT

Station	Date	Daily Max Temp (°F)	Time of Max Temp	Daily Min Temp (°F)	Time of Min Temp	Dew Pt (°F)	RH (%)	Daily Max RH (%)	Daily 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)
Windsor-NW (Ranch 8)	3/29/26	89.2 2.7	1432	49.3 7.3	0703	48.1 1.7	55	83 3	24 1	0.5	10.0 0.4	1829	0.00	29.12	0.152 0.001	495 34	40
Windsor-East (Ranch 16)	3/29/26	88.9 5.5	1436	43.0 5.9	0618	43.2 0.8	54	96 2	15 4	2.1	11.7 0.1	1529	0.00	21.96	0.173 0.010	495 30	90
Mark West-North (Ranch 14)	3/29/26	88.3 5.4	1445	44.1 4.3	0532	43.6 0.3	54	96 1	15 7	1.0	8.3 0.8	1643	0.00	23.74	0.029 0.004	0 0	60
Windsor-SE (Silk Rd)	3/29/26	87.2 4.3	1512	42.2 5.4	0627	45.1 1.3	62	100 2	16 3	1.4	11.4 0.3	1732	0.00	21.14	0.163 0.008	488 31	90
Fulton-NW (Ranch 5)	3/29/26	86.8 5.8	1516	41.3 3.8	0652	44.5 0.8	60	98 2	15 12	1.7	10.6 0.9	1450	0.00	23.97	0.165 0.007	479 35	90
Windsor-South (Laughlin Rd)	2/27/26	81.3 4.8	1431	49.4 1.9	0637	53.1 42.4	74	100 0	0 0	-	-	-	0.00	24.07	-	-	-
Fulton-SE (Barnes Rd)	3/29/26	87.7 6.7	1529	44.1 4.2	0706	45.7 1.9	57	93 0	18 7	1.0	10.3 0.3	1613	0.00	23.01	-	-	90
Fulton-SW (Ranch 21)	3/29/26	85.6 5.6	1435	42.2 4.6	0651	44.6 4.7	60	100 0	0 0	2.0	10.4 1.8	1451	0.00	23.44	0.174 0.009	526 28	0
NW Santa Rosa (Piner Road)	3/29/26	86.8 6.8	1509	41.9 3.9	0532	48.7 1.5	68	100 0	20 10	1.2	10.7 0.0	1808	0.00	21.90	-	-	60
River Rd South (Denner Ranch)	3/29/26	86.4 6.0	1443	42.2 6.0	0603	9.8 13.1	32	100 0	0 0	2.4	14.9 2.2	1422	-	-	-	-	100
West Santa Rosa (LOV Vineyard)	3/29/26	86.7 7.5	1447	43.0 4.5	0713	45.8 0.5	62	98 0	14 11	1.2	11.3 0.3	1802	0.00	16.83	0.032 0.009	1 0	80
Guerneville Rd (Prokopakis)	3/29/26	89.0 7.3	1507	44.0 4.7	0710	45.8 0.0	61	98 1	15 11	-	-	-	0.01	23.07	-	-	90
Guerneville Rd West (Balletto)	3/29/26	88.0 7.3	1508	41.0 4.5	0716	46.9 0.8	65	99 0	19 11	1.9	11.4 1.6	1816	0.00	22.55	-	-	0
Sanchietti Ranch	3/29/26	86.8 8.3	1450	42.0 3.3	0707	49.4 1.5	-	98 0	24 11	2.0	10.4 0.1	1429	0.00	23.50	-	-	0
Occidental Rd (Sebastopol)	3/29/26	87.7 7.9	1426	40.9 4.2	0707	50.8 0.7	75	100 0	21 20	1.9	10.7 0.7	1505	0.00	6.96	-	-	0
Lower Westside Rd (Ranch 12)	3/29/26	88.3 4.7	1520	42.2 4.8	0717	46.0 1.4	62	98 2	16 4	1.0	9.7 0.3	1419	0.00	28.30	-	-	90
Guerneville (Laughlin Rd)	3/29/26	87.4 4.6	1405	40.1 4.5	0659	43.9 2.3	63	97 0	17 1	1.7	14.8 2.0	1431	0.00	39.24	-	-	90
Korbel (Winery)	3/29/26	88.5 4.4	1438	43.6 4.3	0732	45.7 2.1	64	100 3	16 2	1.1	13.0 0.2	1543	0.00	36.61	-	-	90
Forestville (Shone Farms)	3/29/26	88.0 4.0	1449	46.0 6.3	0702	44.7 0.0	53	92 2	15 2	1.8	11.2 1.2	1731	0.00	30.31	0.163 0.007	474 31	90
Forestville-NE (Ranch 30)	3/29/26	87.7 4.8	1445	43.8 5.7	0611	48.0 1.3	65	99 0	20 5	1.8	12.5 2.0	1410	0.00	28.46	0.166 0.005	485 33	90
Green Valley Vineyard	3/29/26	87.2 5.4	1441	46.4 6.2	0724	43.2 1.9	53	91 3	13 10	2.6	15.1 4.2	1601	0.00	35.04	0.051 0.021	2 6	90
Green Valley (Sanchietti)	3/29/26	90.4 8.0	1509	39.0 5.2	0701	-	-	-	-	-	-	-	-	-	-	-	90
Keefer Ranch (Green Valley)	3/29/26	88.3 7.4	1458	41.5 5.6	0729	45.2 0.8	64	99 1	18 9	-	-	-	0.00	31.31	-	-	90
Graton-South (Mill Station Rd)	3/29/26	83.9 6.5	1355	39.7 4.1	0703	45.5 0.7	64	99 0	16 10	0.4	6.8 1.5	1435	0.00	27.62	-	-	100
Occidental (Horseshoe Bend)	3/29/26	86.4 12.3	1506	58.4 11.3	0421	40.7 3.6	-	53 26	15 17	-	-	-	0.00	32.10	-	-	90
Sexton Valley (Jacqueline's Blk)	3/29/26	84.5 9.1	1404	43.0 5.4	0703	48.1 1.0	68	99 0	25 12	1.4	10.0 0.5	1426	0.00	15.31	-	-	100
Sebastopol Hills (Burnside Rd)	3/29/26	81.5 8.3	1416	54.5 8.9	0734	45.6 1.1	47	71 17	24 13	1.8	11.9 1.6	1525	0.00	27.89	-	-	0
Seaview/Fort Ross (Hirsch)	3/29/26	79.9 1.6	1433	63.2 4.0	0352	35.5 1.2	27	41 7	19 6	2.4	7.9 0.4	1407	0.00	48.40	0.170 0.004	510 50	80
Max		90.4	-	63.2	-	50.8	75	100	25	2.6	15.1	-	0.01	48.40	0.174	526	-
Avg		-	-	-	-	44.0	58	-	-	1.6	-	-	-	-	-	-	-
Min		79.9	-	39.0	-	9.8	27	41	0	0.4	6.8	-	0.00	6.96	0.029	0	-

Sonoma County-South Daily Obs

19 Stations

Daily Data

as of 3/30/26 3:54 AM PDT

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)
Upper Rincon Valley	3/29/26	84.2 5.1	1435	58.4 8.2	0446	39.2 1.3	50 14	17 8	2.6 0.0	11.2 2.8	1503	SE \| 144	0.00	5.41	0.174 0.009	508 30	90 20
Lower Bennett Valley	3/29/26	85.0 4.8	1414	39.3 4.4	0639	45.2 0.1	100 0	21 13	1.7 0.1	10.7 1.2	1434	S \| 190	0.00	22.06	0.160 0.008	483 23	60 60
Kenwood (Wildwood)	3/29/26	85.7 4.3	1454	45.7 5.8	0724	44.6 0.6	90 5	19 11	3.1 0.4	13.6 5.4	1359	SW \| 230	0.00	26.90	0.160 0.013	462 10	100 0
Sonoma Valley (Bedrock)	3/29/26	86.2 4.3	1512	43.0 4.6	0718	41.4 2.1	94 3	12 19	-	-	-	-	0.00	23.11	-	-	90 10
Sonoma-West (Arnold)	3/29/26	88.3 5.1	1353	41.6 4.7	0714	43.9 0.6	95 0	18 10	2.1 0.2	15.9 5.1	1354	WNW \| 297	0.00	17.20	0.189 0.011	563 24	90 10
Sonoma Valley HS	3/29/26	87.2 5.9	1444	45.1 4.9	0710	48.0 0.4	100 0	23 12	1.2 0.1	7.5 0.1	1832	WSW \| 256	0.00	5.29	0.162 0.010	511 19	90 10
Sonoma East (Bundschu01)	3/29/26	87.2 6.6	1418	42.2 3.9	0642	44.9 1.2	97 4	17 18	2.2 0.3	16.9 7.4	1455	W \| 278	0.00	17.48	0.180 0.021	523 14	90 10
Schellville (Sasaki)	2/4/26	70.2	1502	39.9	0001	48.4	98	51	2.9	11.8	1113	NE \| 34	0.00	0.00	-	-	0
Sonoma-SE (Napoli)	3/29/26	87.8 4.9	1536	42.5 4.2	0720	45.2 0.6	96 2	19 13	1.4 0.3	13.1 4.0	1557	W \| 263	0.00	14.95	-	-	0 0
Ricci Vineyards (Carneros)	3/29/26	87.0 5.8	1515	44.2 5.9	0641	45.6 0.5	96 2	20 6	3.4 0.8	13.7 3.6	1401	WSW \| 252	0.00	18.75	0.196 0.030	536 19	60 60
Carneros (Ranch 71)	3/29/26	86.0 4.8	1548	54.2 5.0	0506	44.9 0.1	83 0	18 10	3.2 1.4	15.1 4.9	1534	WSW \| 252	0.00	16.20	0.199 0.036	524 15	60 10
Carneros Upper (Ranch 81)	3/29/26	86.7 4.7	1435	55.6 4.4	0745	44.1 0.7	-	-	4.9 1.5	17.3 5.8	1512	WSW \| 245	-	-	-	-	90 10
Carneros Lower (Ranch 81)	3/29/26	92.7 7.2	1525	44.5 2.9	0703	45.0 0.7	100 0	0 0	1.0 0.0	7.1 1.0	1814	NW \| 324	0.00	16.94	0.130 0.008	406 8	0 0
Rohnert Park-West (Stony Point)	3/29/26	82.4 6.5	1427	38.3 3.2	0648	47.5 1.9	99 1	28 13	1.6 0.1	11.8 0.0	1438	SSW \| 204	0.00	6.33	-	-	0 0
Cartograph Wines Base	3/29/26	80.3 6.6	1342	51.6 9.7	0452	48.7 0.6	84 14	32 12	3.3 0.6	14.6 1.1	1333	WSW \| 246	0.00	22.43	0.166 0.029	500 25	0 0
Cartograph Wines Remote	3/29/26	80.9 4.2	1241	43.6 5.6	0657	-	-	-	-	-	-	-	-	-	-	-	20 20
Rice-Spivak Vineyard	3/29/26	80.5 3.8	1530	35.6 5.0	0637	-	-	-	-	-	-	-	-	-	-	-	0 0
Penngrove (Asellus)	3/29/26	84.0 5.3	1457	40.5 3.6	0636	45.2 1.4	97 1	18 12	1.9 0.4	10.1 0.8	1504	W \| 264	0.00	45.71	-	-	0 0
Petaluma (Ranch 10)	3/29/26	88.6 6.6	1501	40.7 3.9	0712	43.3 1.0	96 4	17 11	1.5 0.2	10.1 0.4	1335	NW \| 313	0.00	15.67	0.165 0.013	483 13	90 10
Max		92.7	-	58.4	-	48.7	100	32	4.9	17.3	-	-	0.00	45.71	0.199	563	-
Avg		-	-	-	-	44.8	-	-	2.3	-	-	-	-	-	-	-	-
Min		80.3	-	35.6	-	39.2	50	0	1.0	7.1	-	-	0.00	5.29	0.130	406	-