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 | |
| 2025 December 13, Saturday | 16 | 26.8 80 | 736.7 29 982.19 982.19 | 753.1 29.65 1004.05 1004.05 | -0.5 -0.02 -0.67 -0.67 | 30 | Wind blowing from the south-east | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 40%. 4/10. 3 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | no clouds no clouds no clouds | 2500 or more, or no clouds. 8202 or more, or no clouds. | No Altocumulus, Altostratus or Nimbostratus. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole, but the continuous veil does not reach 45 degrees above the horizon. | 30.0 18.6 | 7.6 46 | |||||||||||||
15 | 26.6 80 | 737.0 29.02 982.59 982.59 | 753.3 29.66 1004.32 1004.32 | -0.2 -0.01 -0.27 -0.27 | 30 | Wind blowing from the south-southeast | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 40%. 4/10. 3 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | no clouds no clouds no clouds | 2500 or more, or no clouds. 8202 or more, or no clouds. | No Altocumulus, Altostratus or Nimbostratus. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole, but the continuous veil does not reach 45 degrees above the horizon. | 30.0 18.6 | 7.8 46 | No precipitation No precipitation | 6 | ||||||||||||
14 | 26.8 80 | 737.5 29.04 983.25 983.25 | 753.7 29.67 1004.85 1004.85 | 0.3 0.01 0.4 0.4 | 28 | Wind blowing from the south-east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 40%. 4/10. 3 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | no clouds no clouds no clouds | 2500 or more, or no clouds. 8202 or more, or no clouds. | No Altocumulus, Altostratus or Nimbostratus. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole, but the continuous veil does not reach 45 degrees above the horizon. | 30.0 18.6 | 7.0 45 | ||||||||||||||
13 | 25.6 78 | 737.2 29.02 982.85 982.85 | 753.4 29.66 1004.45 1004.45 | -0.1 -0 -0.13 -0.13 | 30 | Wind blowing from the south | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 40%. 4/10. 3 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 20–30%. 2/10–3/10. 2 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, but the continuous veil does not reach 45 degrees above the horizon. | 30.0 18.6 | 6.7 44 | ||||||||||||||
12 | 25.5 78 | 737.2 29.02 982.85 982.85 | 753.4 29.66 1004.45 1004.45 | -0.3 -0.01 -0.4 -0.4 | 29 | Wind blowing from the south-southeast | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 20–30%. 2/10–3/10. 2 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 20–30%. 2/10–3/10. 2 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 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 | 6.2 43 | ||||||||||||||
11 | 24.6 76 | 737.2 29.02 982.85 982.85 | 753.4 29.66 1004.45 1004.45 | 0.6 0.02 0.8 0.8 | 29 | Wind blowing from the south-southeast | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 40%. 4/10. 3 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 40%. 4/10. 3 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 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 | 5.6 42 | ||||||||||||||
10 | 23.7 75 | 737.3 29.03 982.99 982.99 | 753.6 29.67 1004.72 1004.72 | 1.3 0.05 1.73 1.73 | 30 | Wind blowing from the south-southeast | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 40%. 4/10. 3 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | no clouds no clouds no clouds | 2500 or more, or no clouds. 8202 or more, or no clouds. | 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 | 4.9 41 | ||||||||||||||
09 | 23.0 73 | 737.5 29.04 983.25 983.25 | 753.7 29.67 1004.85 1004.85 | 2.1 0.08 2.8 2.8 | 34 | Wind blowing from the south-southeast | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 20–30%. 2/10–3/10. 2 oktas | 20.8 69 | 30.1 86 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | no clouds no clouds no clouds | 2500 or more, or no clouds. 8202 or more, or no clouds. | 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 | 6.4 44 | ||||||||||||
08 | 22.0 72 | 736.6 29 982.05 982.05 | 752.7 29.63 1003.52 1003.52 | 2.3 0.09 3.07 3.07 | 41 | Wind blowing from the south-southeast | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 20–30%. 2/10–3/10. 2 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | no clouds no clouds no clouds | 2500 or more, or no clouds. 8202 or more, or no clouds. | 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 | 8.1 47 | ||||||||||||||
07 | 21.4 71 | 736.0 28.98 981.25 981.25 | 752.0 29.61 1002.58 1002.58 | 2.3 0.09 3.07 3.07 | 46 | Wind blowing from the south-southeast | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 20–30%. 2/10–3/10. 2 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 20–30%. 2/10–3/10. 2 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus castellanus or floccus. | No Cirrus, Cirrocumulus or Cirrostratus. | 30.0 18.6 | 9.4 49 | ||||||||||||||
06 | 21.5 71 | 735.4 28.95 980.45 980.45 | 751.4 29.58 1001.78 1001.78 | 2.3 0.09 3.07 3.07 | 42 | Wind blowing from the south-southeast | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 40%. 4/10. 3 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 40%. 4/10. 3 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus castellanus or floccus. | No Cirrus, Cirrocumulus or Cirrostratus. | 30.0 18.6 | 8.1 47 | ||||||||||||||
05 | 22.5 73 | 734.3 28.91 978.99 978.99 | 750.4 29.54 1000.45 1000.45 | 1.6 0.06 2.13 2.13 | 43 | Wind blowing from the south-southeast | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 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. | No Cirrus, Cirrocumulus or Cirrostratus. | 30.0 18.6 | 9.3 49 | ||||||||||||||
04 | 23.5 74 | 733.7 28.89 978.19 978.19 | 749.7 29.52 999.52 999.52 | 0.7 0.03 0.93 0.93 | 43 | Wind blowing from the south-east | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 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. | No Cirrus, Cirrocumulus or Cirrostratus. | 30.0 18.6 | 10.0 50 | ||||||||||||||
03 | 24.0 75 | 733.1 28.86 977.39 977.39 | 749.1 29.49 998.72 998.72 | 0.6 0.02 0.8 0.8 | 41 | Wind blowing from the south-southeast | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 70 – 80%. 7/10 – 8/10. 6 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. | No Cirrus, Cirrocumulus or Cirrostratus. | 30.0 18.6 | 10.0 50 | No precipitation No precipitation | 6 | ||||||||||||
02 | 25.2 77 | 732.7 28.85 976.85 976.85 | 748.6 29.47 998.05 998.05 | 0.8 0.03 1.07 1.07 | 37 | Wind blowing from the south | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Lightning visible, no thunder heard. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period. | Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 2000-2500 6562-8202 | 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. | No Cirrus, Cirrocumulus or Cirrostratus. | 30.0 18.6 | 9.5 49 | |||||||||||
01 | 26.1 79 | 733.0 28.86 977.25 977.25 | 748.9 29.48 998.45 998.45 | 1.2 0.05 1.6 1.6 | 37 | Wind blowing from the south | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | no clouds no clouds no clouds | 30.0 18.6 | 10.1 50 | |||||||||||||||||||
00 | 28.7 84 | 732.5 28.84 976.59 976.59 | 748.4 29.46 997.78 997.78 | 1.3 0.05 1.73 1.73 | 30 | Wind blowing from the south | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | no clouds no clouds no clouds | 30.0 18.6 | 9.6 49 | |||||||||||||||||||
| December 12, Friday | 23 | 28.6 83 | 731.9 28.81 975.79 975.79 | 747.9 29.44 997.12 997.12 | 1.0 0.04 1.33 1.33 | 32 | Wind blowing from the west | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 20–30%. 2/10–3/10. 2 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 20–30%. 2/10–3/10. 2 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus castellanus or floccus. | No Cirrus, Cirrocumulus or Cirrostratus. | 30.0 18.6 | 10.2 50 | |||||||||||||
22 | 29.8 86 | 731.8 28.81 975.65 975.65 | 747.7 29.44 996.85 996.85 | 0.9 0.04 1.2 1.2 | 28 | Wind blowing from the south | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 40%. 4/10. 3 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 40%. 4/10. 3 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus castellanus or floccus. | No Cirrus, Cirrocumulus or Cirrostratus. | 30.0 18.6 | 9.6 49 | ||||||||||||||
21 | 30.1 86 | 731.2 28.79 974.85 974.85 | 747.1 29.41 996.05 996.05 | 0.2 0.01 0.27 0.27 | 33 | Wind blowing from the north-west | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 40%. 4/10. 3 oktas | 25.2 77 | 36.0 97 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 40%. 4/10. 3 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus castellanus or floccus. | No Cirrus, Cirrocumulus or Cirrostratus. | 30.0 18.6 | 12.3 54 | No precipitation No precipitation | 6 | ||||||||||
20 | 33.6 92 | 730.9 28.78 974.45 974.45 | 746.9 29.41 995.79 995.79 | -0.7 -0.03 -0.93 -0.93 | 27 | Wind blowing from the west-northwest | Light air (1 m/s) (4 km/h) (2 mph) (2 knots) (1 Bft) | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus castellanus or floccus. | No Cirrus, Cirrocumulus or Cirrostratus. | 30.0 18.6 | 12.0 54 | ||||||||||||||
19 | 35.5 96 | 730.9 28.78 974.45 974.45 | 746.9 29.41 995.79 995.79 | -1.2 -0.05 -1.6 -1.6 | 21 | Wind blowing from the west-southwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | no clouds no clouds no clouds | 30.0 18.6 | 10.2 50 | |||||||||||||||||||
18 | 35.9 97 | 731.0 28.78 974.59 974.59 | 747.1 29.41 996.05 996.05 | -1.7 -0.07 -2.27 -2.27 | 20 | Wind blowing from the south-west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | Cumulus humilis or Cumulus fractus other than of bad weather, or both. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 2000-2500 6562-8202 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 30.0 18.6 | 9.9 50 | ||||||||||||||
17 | 35.6 96 | 731.6 28.8 975.39 975.39 | 747.7 29.44 996.85 996.85 | -1.7 -0.07 -2.27 -2.27 | 20 | Wind blowing from the west-southwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | no clouds no clouds no clouds | 30.0 18.6 | 9.3 49 | |||||||||||||||||||
16 | 35.5 96 | 732.1 28.82 976.05 976.05 | 748.2 29.46 997.52 997.52 | -1.9 -0.07 -2.53 -2.53 | 19 | Wind blowing from the south-west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | no clouds no clouds no clouds | 30.0 18.6 | 8.8 48 | |||||||||||||||||||
