Weather History for Santa Rosa, CA

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Monday, December 26, 2011

  Actual Average Record
Temperature  
Mean Temperature 40 °F 46 °F  
Max Temperature 54 °F 56 °F 66 °F (2013)
Min Temperature 26 °F 36 °F 26 °F (2011)
Degree Days  
Heating Degree Days 25    
Month to date heating degree days 484  
Since 1 July heating degree days 1069  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 345  
Moisture  
Dew Point 33 °F    
Average Humidity 83    
Maximum Humidity 100    
Minimum Humidity 66    
Precipitation  
Precipitation 0.00 in 0.28 in 2.30 in (2006)
Month to date precipitation 0.19 5.71  
Year to date precipitation 26.89 34.96  
Since 1 July precipitation 4.45 12.87  
Sea Level Pressure  
Sea Level Pressure 30.30 in    
Wind  
Wind Speed 2 mph (SSE)    
Max Wind Speed 8 mph    
Max Gust Speed 10 mph    
Visibility 4 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 26, 2011 Rise Set
Actual Time 7:27 AM PST 4:56 PM PST
Civil Twilight 6:57 AM PST 5:26 PM PST
Nautical Twilight 6:24 AM PST 5:59 PM PST
Astronomical Twilight 5:51 AM PST 6:31 PM PST
Moon 8:52 AM PST (12/26) 7:29 PM PST (12/26)
Length of Visible Light 10h 28m
Length of Day
9h 29m
Waxing Crescent, 5% of the Moon is Illuminated
Dec 26
Waxing Crescent
Dec 31
First Quarter
Jan 8
Full
Jan 16
Last Quarter
Jan 22
New

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:13 AM 33.8 °F - 32.0 °F 93% 30.31 in 1.8 mi Calm Calm - N/A   Partly Cloudy
12:16 AM 33.8 °F - 32.0 °F 93% 30.31 in 0.8 mi Calm Calm - N/A   Mist
12:53 AM 30.9 °F - 30.0 °F 96% 30.29 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
1:12 AM 30.2 °F - 28.4 °F 93% 30.30 in 0.5 mi Calm Calm - N/A Fog Light Freezing Fog
1:24 AM 32.0 °F - 28.4 °F 87% 30.30 in 0.2 mi Calm Calm - N/A Fog Fog
1:53 AM 30.9 °F - 30.0 °F 96% 30.29 in 0.5 mi Calm Calm - N/A Fog Light Freezing Fog
2:15 AM 30.2 °F - 30.2 °F 100% 30.30 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
2:49 AM 30.2 °F - 28.4 °F 93% 30.30 in 0.5 mi Calm Calm - N/A Fog Light Freezing Fog
2:53 AM 30.0 °F - 28.0 °F 92% 30.28 in 0.8 mi Calm Calm - N/A   Mist
3:01 AM 28.4 °F - 26.6 °F 93% 30.30 in 1.2 mi Calm Calm - N/A   Overcast
3:09 AM 28.4 °F - 26.6 °F 93% 30.30 in 0.5 mi Calm Calm - N/A Fog Light Freezing Fog
3:34 AM 30.2 °F - 28.4 °F 93% 30.30 in 1.5 mi Calm Calm - N/A   Scattered Clouds
3:36 AM 30.2 °F - 28.4 °F 93% 30.30 in 3.0 mi Calm Calm - N/A   Scattered Clouds
3:53 AM 30.0 °F - 28.9 °F 96% 30.28 in 6.0 mi Calm Calm - N/A   Partly Cloudy
4:25 AM 26.6 °F 22.6 °F 24.8 °F 93% 30.29 in 1.8 mi West 3.5 mph - N/A   Partly Cloudy
4:28 AM 26.6 °F 22.6 °F 24.8 °F 93% 30.29 in 0.8 mi West 3.5 mph - N/A   Mist
4:53 AM 28.0 °F - 27.0 °F 96% 30.28 in 0.8 mi Calm Calm - N/A   Mist
5:00 AM 26.6 °F - 26.6 °F 100% 30.29 in 1.0 mi Calm Calm - N/A   Mist
5:23 AM 28.4 °F - 26.6 °F 93% 30.29 in 0.5 mi Calm Calm - N/A Fog Light Freezing Fog
5:42 AM 26.6 °F - 24.8 °F 93% 30.28 in 0.8 mi Calm Calm - N/A   Mostly Cloudy
5:53 AM 28.0 °F - 26.1 °F 92% 30.27 in 1.2 mi Calm Calm - N/A   Mostly Cloudy
6:03 AM 28.4 °F - 26.6 °F 93% 30.28 in 1.0 mi Calm Calm - N/A   Mostly Cloudy
6:09 AM 28.4 °F - 26.6 °F 93% 30.29 in 2.5 mi Calm Calm - N/A   Scattered Clouds
6:16 AM 28.4 °F - 26.6 °F 93% 30.29 in 8.0 mi Calm Calm - N/A   Partly Cloudy
6:50 AM 26.6 °F - 24.8 °F 93% 30.30 in 5.0 mi Calm Calm - N/A   Mostly Cloudy
6:53 AM 27.0 °F - 26.1 °F 96% 30.29 in 5.0 mi Calm Calm - N/A   Mostly Cloudy
7:26 AM 30.2 °F - 28.4 °F 93% 30.31 in 0.8 mi Calm Calm - N/A   Overcast
7:53 AM 30.9 °F - 30.0 °F 96% 30.30 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
8:53 AM 32.0 °F - 32.0 °F 100% 30.32 in 0.2 mi Calm Calm - N/A Fog Fog
9:53 AM 35.1 °F - 35.1 °F 100% 30.34 in 0.2 mi Calm Calm - N/A Fog Fog
10:40 AM 39.2 °F - 37.4 °F 93% 30.36 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:53 AM 39.9 °F - 37.9 °F 93% 30.34 in 10.0 mi Calm Calm - N/A Fog Patches of Fog
11:15 AM 42.8 °F - 39.2 °F 87% 30.35 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:53 AM 46.9 °F - 42.1 °F 83% 30.31 in 10.0 mi Calm Calm - N/A   Overcast
12:36 PM 48.2 °F - 42.8 °F 82% 30.31 in 10.0 mi SSW 4.6 mph - N/A   Scattered Clouds
12:53 PM 50.0 °F - 43.0 °F 77% 30.29 in 10.0 mi SSW 4.6 mph - N/A   Scattered Clouds
1:53 PM 52.0 °F - 44.1 °F 74% 30.28 in 10.0 mi South 4.6 mph - N/A   Scattered Clouds
2:53 PM 53.1 °F - 43.0 °F 69% 30.27 in 10.0 mi SE 6.9 mph - N/A   Scattered Clouds
3:53 PM 52.0 °F - 45.0 °F 77% 30.27 in 10.0 mi SE 6.9 mph - N/A   Scattered Clouds
4:53 PM 48.0 °F - 43.0 °F 83% 30.27 in 10.0 mi SSE 6.9 mph - N/A   Scattered Clouds
5:53 PM 45.0 °F - 41.0 °F 86% 30.29 in 10.0 mi Calm Calm - N/A   Clear
6:39 PM 41.0 °F - 39.2 °F 93% 30.33 in 2.0 mi Calm Calm - N/A   Mostly Cloudy
6:53 PM 43.0 °F - 41.0 °F 93% 30.31 in 5.0 mi Calm Calm - N/A   Mostly Cloudy
7:24 PM 46.4 °F 45.2 °F 42.8 °F 87% 30.32 in 10.0 mi ESE 3.5 mph - N/A   Overcast
7:53 PM 43.0 °F 41.3 °F 41.0 °F 93% 30.29 in 10.0 mi ESE 3.5 mph - N/A   Mostly Cloudy
8:53 PM 42.1 °F 40.2 °F 39.9 °F 92% 30.29 in 9.0 mi NE 3.5 mph - N/A   Overcast
9:53 PM 43.0 °F 41.3 °F 41.0 °F 93% 30.33 in 8.0 mi NW 3.5 mph - N/A   Overcast
10:53 PM 45.0 °F - 42.1 °F 90% 30.35 in 10.0 mi Calm Calm - N/A   Overcast
11:53 PM 43.0 °F - 41.0 °F 93% 30.34 in 10.0 mi Calm Calm - N/A   Scattered Clouds