Weather archive in Santa Rosa
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| Date / Local time | T | Po | P | Pa | U | DD | Ff | ff10 | ff3 | N | WW | W1 | W2 | Tn | Tx | Cl | Nh | H | Cm | Ch | VV | Td | RRR | tR | E | Tg | E' | sss | |
| 2026 August 13, Thursday | 17 | 10.6 51 | 751.0 29.57 1001.25 1001.25 | 768.6 30.26 1024.72 1024.72 | -1.6 -0.06 -2.13 -2.13 | 61 | Wind blowing from the north-east | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 60%. 6/10. 5 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 20–30%. 2/10–3/10. 2 oktas | 600-1000 1968-3281 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered. | 30.0 18.6 | 3.3 38 | |||||||||||||
16 | 9.8 50 | 751.1 29.57 1001.38 1001.38 | 768.7 30.26 1024.85 1024.85 | -1.8 -0.07 -2.4 -2.4 | 70 | Wind blowing from the north-east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 70 – 80%. 7/10 – 8/10. 6 oktas | 300-600 984-1968 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus. | 30.0 18.6 | 4.5 40 | ||||||||||||||
15 | 9.1 48 | 751.7 29.59 1002.18 1002.18 | 769.4 30.29 1025.78 1025.78 | -1.4 -0.06 -1.87 -1.87 | 73 | Wind blowing from the north-east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 30.0 18.6 | 4.4 40 | No precipitation No precipitation | 6 | ||||||||||||||
14 | 8.2 47 | 752.6 29.63 1003.38 1003.38 | 770.4 30.33 1027.12 1027.12 | -0.3 -0.01 -0.4 -0.4 | 76 | Wind blowing from the north-northeast | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 30.0 18.6 | 4.1 39 | ||||||||||||||||
13 | 7.9 46 | 752.9 29.64 1003.78 1003.78 | 770.6 30.34 1027.38 1027.38 | 0.0 0 0 0 | 78 | Wind blowing from the north-northeast | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 30.0 18.6 | 4.3 40 | ||||||||||||||||
12 | 7.2 45 | 753.1 29.65 1004.05 1004.05 | 770.8 30.35 1027.65 1027.65 | 0.5 0.02 0.67 0.67 | 79 | Wind blowing from the north-northeast | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 30.0 18.6 | 3.7 39 | ||||||||||||||||
11 | 6.7 44 | 752.9 29.64 1003.78 1003.78 | 770.6 30.34 1027.38 1027.38 | 0.3 0.01 0.4 0.4 | 83 | Wind blowing from the north-northeast | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 100%. 10/10. 8 oktas | 1500-2000 4921-6562 | 30.0 18.6 | 3.9 39 | ||||||||||||||||
10 | 5.6 42 | 752.9 29.64 1003.78 1003.78 | 770.6 30.34 1027.38 1027.38 | 0.6 0.02 0.8 0.8 | 90 | Wind blowing from the north-east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 60%. 6/10. 5 oktas | 1500-2000 4921-6562 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 30.0 18.6 | 4.0 39 | |||||||||||||||
09 | 5.1 41 | 752.6 29.63 1003.38 1003.38 | 770.4 30.33 1027.12 1027.12 | 0.4 0.02 0.53 0.53 | 92 | Wind blowing from the east-northeast | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | 4.4 40 | 7.8 46 | Stratocumulus other than Stratocumulus cumulogenitus. | 50%. 5/10. 4 oktas | 1500-2000 4921-6562 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 30.0 18.6 | 3.9 39 | 0.8 0.03 | 24 | |||||||||||
08 | 5.2 41 | 752.6 29.63 1003.38 1003.38 | 770.3 30.33 1026.98 1026.98 | 0.6 0.02 0.8 0.8 | 92 | Wind blowing from the north-east | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | Stratus nebulosus or Stratus fractus other than of bad weather, or both. | 70 – 80%. 7/10 – 8/10. 6 oktas | 300-600 984-1968 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 30.0 18.6 | 4.0 39 | |||||||||||||||
07 | 5.2 41 | 752.3 29.62 1002.98 1002.98 | 770.0 30.31 1026.58 1026.58 | 0.1 0 0.13 0.13 | 85 | Wind blowing from the east-northeast | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 60%. 6/10. 5 oktas | 600-1000 1968-3281 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 30.0 18.6 | 2.8 37 | |||||||||||||||
06 | 5.4 42 | 752.2 29.61 1002.85 1002.85 | 769.8 30.31 1026.32 1026.32 | -0.1 -0 -0.13 -0.13 | 91 | Wind blowing from the north-east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 60%. 6/10. 5 oktas | 600-1000 1968-3281 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 30.0 18.6 | 4.0 39 | |||||||||||||||
05 | 5.4 42 | 752.0 29.61 1002.58 1002.58 | 769.7 30.3 1026.18 1026.18 | -0.5 -0.02 -0.67 -0.67 | 94 | Wind blowing from the north-east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 60%. 6/10. 5 oktas | 1000-1500 3281-4921 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 30.0 18.6 | 4.5 40 | |||||||||||||||
04 | 5.4 42 | 752.2 29.61 1002.85 1002.85 | 769.9 30.31 1026.45 1026.45 | -0.3 -0.01 -0.4 -0.4 | 97 | Wind blowing from the north-east | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | State of sky on the whole unchanged. | Rain. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Stratocumulus other than Stratocumulus cumulogenitus. | 60%. 6/10. 5 oktas | 1000-1500 3281-4921 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 30.0 18.6 | 4.9 41 | ||||||||||||
03 | 5.6 42 | 752.3 29.62 1002.98 1002.98 | 770.0 30.31 1026.58 1026.58 | 0.3 0.01 0.4 0.4 | 94 | Wind blowing from the east-northeast | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | Rain (not freezing) not falling as shower(s). | Rain. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Stratocumulus other than Stratocumulus cumulogenitus. | 60%. 6/10. 5 oktas | 1000-1500 3281-4921 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 30.0 18.6 | 4.7 40 | 0.8 0.03 | 6 | ||||||||||
02 | 5.8 42 | 752.5 29.63 1003.25 1003.25 | 770.2 30.32 1026.85 1026.85 | 0.5 0.02 0.67 0.67 | 91 | Wind blowing from the north-east | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, intermittent, slight at time of observation. | Rain. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Stratocumulus other than Stratocumulus cumulogenitus. | 60%. 6/10. 5 oktas | 1000-1500 3281-4921 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 18.0 11.2 | 4.4 40 | ||||||||||||
01 | 6.2 43 | 752.5 29.63 1003.25 1003.25 | 770.1 30.32 1026.72 1026.72 | 1.2 0.05 1.6 1.6 | 88 | Wind blowing from the north-east | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | State of sky on the whole unchanged. | Rain. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Stratocumulus other than Stratocumulus cumulogenitus. | 60%. 6/10. 5 oktas | 1000-1500 3281-4921 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 30.0 18.6 | 4.4 40 | ||||||||||||
00 | 6.2 43 | 752.0 29.61 1002.58 1002.58 | 769.8 30.31 1026.32 1026.32 | 0.9 0.04 1.2 1.2 | 88 | Wind blowing from the north-east | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | Rain (not freezing) not falling as shower(s). | Rain. | Rain. | Stratocumulus other than Stratocumulus cumulogenitus. | 60%. 6/10. 5 oktas | 1000-1500 3281-4921 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 30.0 18.6 | 4.4 40 | ||||||||||||
| August 12, Wednesday | 23 | 6.6 44 | 752.0 29.61 1002.58 1002.58 | 769.7 30.3 1026.18 1026.18 | 1.2 0.05 1.6 1.6 | 88 | Wind blowing from the east-northeast | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, intermittent, slight at time of observation. | Rain. | Rain. | Stratocumulus other than Stratocumulus cumulogenitus. | 60%. 6/10. 5 oktas | 1000-1500 3281-4921 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 10.0 6.2 | 4.8 41 | |||||||||||
22 | 6.8 44 | 751.3 29.58 1001.65 1001.65 | 769.0 30.28 1025.25 1025.25 | 1.4 0.06 1.87 1.87 | 87 | Wind blowing from the east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, continuous, slight at time of observation. | Rain. | Rain. | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered. | 9.0 5.6 | 4.8 41 | |||||||||||
21 | 7.8 46 | 751.1 29.57 1001.38 1001.38 | 768.9 30.27 1025.12 1025.12 | 1.6 0.06 2.13 2.13 | 79 | Wind blowing from the east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, intermittent, slight at time of observation. | Rain. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | 3.3 38 | 11.7 53 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 70 – 80%. 7/10 – 8/10. 6 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered. | 25.0 15.5 | 4.4 40 | Trace of precipitation Trace of precipitation | 6 | |||||||
20 | 8.1 47 | 750.8 29.56 1000.98 1000.98 | 768.5 30.26 1024.58 1024.58 | 1.3 0.05 1.73 1.73 | 76 | Wind blowing from the east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 70 – 80%. 7/10 – 8/10. 6 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered. | 30.0 18.6 | 4.0 39 | ||||||||||||||
19 | 8.9 48 | 749.9 29.52 999.78 999.78 | 767.7 30.22 1023.52 1023.52 | 0.4 0.02 0.53 0.53 | 69 | Wind blowing from the east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 70 – 80%. 7/10 – 8/10. 6 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered. | 30.0 18.6 | 3.4 38 | ||||||||||||||
18 | 9.7 49 | 749.5 29.51 999.25 999.25 | 767.2 30.2 1022.85 1022.85 | 0.0 0 0 0 | 65 | Wind blowing from the east | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 30.0 18.6 | 3.3 38 | |||||||||||||||
17 | 10.4 51 | 749.5 29.51 999.25 999.25 | 767.2 30.2 1022.85 1022.85 | -0.6 -0.02 -0.8 -0.8 | 62 | Wind blowing from the east | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 70 – 80%. 7/10 – 8/10. 6 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered. | 30.0 18.6 | 3.4 38 | ||||||||||||||