Weather History for Santa Rosa, CA

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Sunday, December 30, 2012

  Actual Average Record
Temperature  
Mean Temperature 44 °F 46 °F  
Max Temperature 57 °F 56 °F 63 °F (2013)
Min Temperature 31 °F 36 °F 26 °F (2013)
Degree Days  
Heating Degree Days 21    
Month to date heating degree days 520  
Since 1 July heating degree days 1043  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 340  
Moisture  
Dew Point 34 °F    
Average Humidity 74    
Maximum Humidity 100    
Minimum Humidity 47    
Precipitation  
Precipitation 0.00 in 0.26 in 3.42 in (2005)
Month to date precipitation 11.73 6.77  
Year to date precipitation 41.20 36.02  
Since 1 July precipitation 22.41 13.93  
Sea Level Pressure  
Sea Level Pressure 30.07 in    
Wind  
Wind Speed 3 mph (NW)    
Max Wind Speed 8 mph    
Max Gust Speed 10 mph    
Visibility 6 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 30, 2012 Rise Set
Actual Time 7:28 AM PST 4:59 PM PST
Civil Twilight 6:58 AM PST 5:29 PM PST
Nautical Twilight 6:25 AM PST 6:02 PM PST
Astronomical Twilight 5:53 AM PST 6:34 PM PST
Moon 7:34 PM PST (12/30) 8:42 AM PST (12/30)
Length of Visible Light 10h 30m
Length of Day
9h 31m
Waning Gibbous, 95% of the Moon is Illuminated
Dec 30
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:41 AM 35.6 °F 30.7 °F 33.8 °F 93% 30.08 in 2.5 mi North 5.8 mph - N/A   Clear
12:49 AM 35.6 °F 32.8 °F 33.8 °F 93% 30.07 in 8.0 mi North 3.5 mph - N/A   Clear
12:53 AM 36.0 °F 33.3 °F 35.1 °F 97% 30.05 in 9.0 mi North 3.5 mph - N/A   Clear
1:53 AM 36.0 °F 33.3 °F 35.1 °F 97% 30.06 in 9.0 mi NW 3.5 mph - N/A   Clear
2:53 AM 35.1 °F - 34.0 °F 96% 30.05 in 3.0 mi Calm Calm - N/A   Clear
3:03 AM 35.6 °F 32.8 °F 33.8 °F 93% 30.07 in 1.8 mi WNW 3.5 mph - N/A   Clear
3:21 AM 33.8 °F - 33.8 °F 100% 30.07 in 2.5 mi Calm Calm - N/A   Clear
3:30 AM 35.6 °F - 33.8 °F 93% 30.07 in 6.0 mi Calm Calm - N/A   Clear
3:53 AM 35.1 °F - 33.1 °F 92% 30.05 in 8.0 mi Calm Calm - N/A   Clear
4:14 AM 33.8 °F - 32.0 °F 93% 30.06 in 2.0 mi Calm Calm - N/A   Scattered Clouds
4:18 AM 33.8 °F - 30.2 °F 87% 30.06 in 1.0 mi Calm Calm - N/A   Mist
4:26 AM 33.8 °F - 30.2 °F 87% 30.06 in 0.8 mi Calm Calm - N/A   Mist
4:51 AM 33.8 °F - 30.2 °F 87% 30.05 in 0.8 mi Calm Calm - N/A   Mist
4:53 AM 33.1 °F - 30.9 °F 92% 30.04 in 0.8 mi Calm Calm - N/A   Mist
5:21 AM 32.0 °F - 30.2 °F 93% 30.06 in 2.0 mi Calm Calm - N/A   Mostly Cloudy
5:32 AM 32.0 °F - 30.2 °F 93% 30.06 in 1.0 mi Calm Calm - N/A   Mist
5:44 AM 32.0 °F - 30.2 °F 93% 30.06 in 0.8 mi Calm Calm - N/A   Mist
5:53 AM 32.0 °F - 30.9 °F 96% 30.05 in 0.8 mi Calm Calm - N/A   Mist
6:00 AM 33.8 °F - 30.2 °F 87% 30.06 in 1.2 mi Calm Calm - N/A   Scattered Clouds
6:08 AM 33.8 °F - 30.2 °F 87% 30.06 in 3.0 mi Calm Calm - N/A   Partly Cloudy
6:35 AM 32.0 °F 28.7 °F 30.2 °F 93% 30.07 in 2.0 mi WNW 3.5 mph - N/A   Clear
6:44 AM 32.0 °F - 30.2 °F 93% 30.07 in 8.0 mi Calm Calm - N/A   Clear
6:53 AM 32.0 °F 28.7 °F 30.0 °F 92% 30.06 in 10.0 mi NW 3.5 mph - N/A Fog Clear
7:53 AM 30.9 °F 26.2 °F 30.0 °F 96% 30.06 in 10.0 mi NW 4.6 mph - N/A Fog Clear
8:53 AM 36.0 °F 33.3 °F 35.1 °F 97% 30.09 in 8.0 mi NNW 3.5 mph - N/A Fog Clear
9:53 AM 43.0 °F 40.3 °F 37.0 °F 80% 30.10 in 10.0 mi North 4.6 mph - N/A Fog Clear
10:53 AM 48.0 °F - 37.9 °F 68% 30.11 in 10.0 mi NW 3.5 mph - N/A   Clear
11:53 AM 52.0 °F - 37.9 °F 59% 30.08 in 10.0 mi NNW 4.6 mph - N/A   Clear
12:53 PM 55.0 °F - 35.1 °F 47% 30.05 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:53 PM 54.0 °F - 37.0 °F 53% 30.05 in 10.0 mi SW 4.6 mph - N/A   Clear
2:53 PM 55.9 °F - 37.9 °F 51% 30.05 in 10.0 mi Calm Calm - N/A   Clear
3:53 PM 55.0 °F - 39.0 °F 55% 30.05 in 10.0 mi West 6.9 mph - N/A   Partly Cloudy
4:53 PM 52.0 °F - 39.0 °F 61% 30.05 in 10.0 mi WSW 3.5 mph - N/A   Clear
5:53 PM 46.9 °F - 37.9 °F 71% 30.07 in 10.0 mi Calm Calm - N/A   Clear
6:53 PM 42.1 °F - 37.0 °F 82% 30.09 in 10.0 mi Calm Calm - N/A   Clear
7:53 PM 41.0 °F 39.0 °F 37.0 °F 86% 30.10 in 9.0 mi WSW 3.5 mph - N/A   Clear
8:53 PM 39.0 °F 36.8 °F 36.0 °F 89% 30.12 in 8.0 mi NNW 3.5 mph - N/A   Clear
9:53 PM 36.0 °F - 33.1 °F 89% 30.14 in 9.0 mi Calm Calm - N/A   Clear
10:53 PM 35.1 °F 31.0 °F 33.1 °F 92% 30.16 in 9.0 mi NW 4.6 mph - N/A   Clear
11:53 PM 34.0 °F 31.0 °F 32.0 °F 92% 30.17 in 9.0 mi North 3.5 mph - N/A   Clear