Weather History for Santa Rosa, CA

Friday, December 16, 2011 — View Current Weather Conditions
Friday, December 16, 2011
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 49 °F 46 °F  
Max Temperature 70 °F 56 °F 70 °F (2011)
Min Temperature 27 °F 36 °F 27 °F (2005)
Degree Days
Heating Degree Days 16    
Month to date heating degree days 279  
Since 1 July heating degree days 864  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 345  
Moisture
Dew Point 31 °F    
Average Humidity 61    
Maximum Humidity 100    
Minimum Humidity 21    
Precipitation
Precipitation 0.00 in 0.24 in 1.28 in (2002)
Month to date precipitation 0.19 3.02  
Year to date precipitation 26.89 32.27  
Since 1 July precipitation 4.45 10.18  
Sea Level Pressure
Sea Level Pressure 30.19 in    
Wind
Wind Speed 2 mph (WNW)    
Max Wind Speed 15 mph    
Max Gust Speed 18 mph    
Visibility 5 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
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Astronomy
Dec. 16, 2011 Rise Set
Actual Time 7:22 AM PST 4:51 PM PST
Civil Twilight 6:52 AM PST 5:21 PM PST
Nautical Twilight 6:19 AM PST 5:54 PM PST
Astronomical Twilight 5:46 AM PST 6:26 PM PST
Moon 11:26 PM PST (12/16) 11:14 AM PST (12/16)
Length Of Visible Light 10h 29m
Length of Day
9h 29m
Waning Gibbous, 63% of the Moon is Illuminated
Dec 16
Waning Gibbous
Dec 17
Last Quarter
Dec 24
New
Dec 31
First Quarter
Jan 8
Full
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Hourly Weather History & Observations
Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:09 AM 33.8 °F 30.8 °F 33.8 °F 100% 30.22 in 0.8 mi South 3.5 mph - N/A   Mist
1:00 AM 33.8 °F - 33.8 °F 100% 30.21 in 1.5 mi Calm Calm - N/A   Mostly Cloudy
1:08 AM 33.8 °F - 32.0 °F 93% 30.21 in 0.5 mi Calm Calm - N/A Fog Fog
1:30 AM 35.6 °F - 33.8 °F 93% 30.21 in 1.2 mi Calm Calm - N/A   Scattered Clouds
1:35 AM 33.8 °F - 33.8 °F 100% 30.21 in 3.0 mi Calm Calm - N/A   Scattered Clouds
1:42 AM 33.8 °F - 32.0 °F 93% 30.21 in 1.8 mi Calm Calm - N/A   Partly Cloudy
1:48 AM 32.0 °F - 30.2 °F 93% 30.21 in 0.8 mi Calm Calm - N/A   Mist
2:00 AM 32.0 °F - 30.2 °F 93% 30.22 in 1.2 mi Calm Calm - N/A   Partly Cloudy
2:02 AM 32.0 °F - 30.2 °F 93% 30.22 in 4.0 mi Calm Calm - N/A   Partly Cloudy
2:24 AM 32.0 °F - 30.2 °F 93% 30.22 in 1.8 mi Calm Calm - N/A   Partly Cloudy
2:34 AM 30.2 °F - 30.2 °F 100% 30.22 in 0.8 mi Calm Calm - N/A   Mist
2:53 AM 32.0 °F - 30.0 °F 92% 30.20 in 0.5 mi Calm Calm - N/A Fog Fog
3:04 AM 30.2 °F - 30.2 °F 100% 30.22 in 1.2 mi Calm Calm - N/A   Scattered Clouds
3:11 AM 30.2 °F - 30.2 °F 100% 30.22 in 0.8 mi Calm Calm - N/A   Mist
3:50 AM 30.2 °F - 30.2 °F 100% 30.22 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
4:53 AM 30.0 °F - 28.9 °F 96% 30.20 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
5:06 AM 30.2 °F - 28.4 °F 93% 30.22 in 1.0 mi Calm Calm - N/A   Mist
5:16 AM 28.4 °F - 28.4 °F 100% 30.22 in 2.5 mi Calm Calm - N/A   Scattered Clouds
5:23 AM 28.4 °F - 28.4 °F 100% 30.22 in 3.0 mi Calm Calm - N/A   Partly Cloudy
5:27 AM 28.4 °F - 28.4 °F 100% 30.21 in 1.8 mi Calm Calm - N/A   Partly Cloudy
5:38 AM 28.4 °F - 28.4 °F 100% 30.22 in 3.0 mi Calm Calm - N/A   Partly Cloudy
5:53 AM 28.0 °F - 27.0 °F 96% 30.21 in 2.5 mi Calm Calm - N/A   Mostly Cloudy
6:02 AM 28.4 °F - 26.6 °F 93% 30.23 in 1.2 mi Calm Calm - N/A   Mostly Cloudy
6:19 AM 28.4 °F - 26.6 °F 93% 30.23 in 2.5 mi Calm Calm - N/A   Scattered Clouds
6:26 AM 28.4 °F - 26.6 °F 93% 30.23 in 6.0 mi Calm Calm - N/A   Partly Cloudy
6:53 AM 28.9 °F - 27.0 °F 92% 30.23 in 10.0 mi Calm Calm - N/A   Clear
7:53 AM 30.0 °F - 28.0 °F 92% 30.24 in 10.0 mi Calm Calm - N/A   Scattered Clouds
8:53 AM 33.1 °F 30.0 °F 33.1 °F 100% 30.25 in 10.0 mi WNW 3.5 mph - N/A   Clear
9:53 AM 42.1 °F - 39.9 °F 92% 30.25 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 61.0 °F - 32.0 °F 34% 30.23 in 10.0 mi Calm Calm - N/A   Clear
11:09 AM 62.6 °F - 32.0 °F 32% 30.24 in 10.0 mi NNW 8.1 mph - N/A   Clear
11:53 AM 64.9 °F - 32.0 °F 29% 30.19 in 10.0 mi NNE 9.2 mph - N/A   Partly Cloudy
12:53 PM 68.0 °F - 28.9 °F 23% 30.16 in 10.0 mi North 11.5 mph - N/A   Partly Cloudy
1:53 PM 68.0 °F - 27.0 °F 21% 30.13 in 10.0 mi West 4.6 mph - N/A   Clear
2:53 PM 70.0 °F - 28.0 °F 21% 30.11 in 10.0 mi Calm Calm - N/A   Scattered Clouds
3:53 PM 66.0 °F - 30.9 °F 27% 30.10 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:53 PM 57.9 °F - 36.0 °F 44% 30.10 in 10.0 mi WSW 8.1 mph - N/A   Scattered Clouds
5:53 PM 51.1 °F - 37.9 °F 61% 30.10 in 10.0 mi South 4.6 mph - N/A   Clear
6:53 PM 48.0 °F - 37.0 °F 66% 30.10 in 10.0 mi Variable 3.5 mph - N/A   Clear
8:53 PM 41.0 °F - 35.1 °F 79% 30.10 in 10.0 mi Calm Calm - N/A   Clear
9:53 PM 39.0 °F 36.8 °F 35.1 °F 86% 30.10 in 10.0 mi Variable 3.5 mph - N/A   Clear
10:53 PM 37.0 °F - 35.1 °F 93% 30.11 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 35.1 °F - 33.1 °F 92% 30.12 in 10.0 mi Calm Calm - N/A   Clear
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