Weather History for Sacramento, CA

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Tuesday, December 20, 2011

  Actual Average Record
Temperature  
Mean Temperature 42 °F -  
Max Temperature 53 °F 53 °F 65 °F (1969)
Min Temperature 30 °F 38 °F 23 °F (1990)
Degree Days  
Heating Degree Days 23    
Month to date heating degree days 369  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 1153  
Moisture  
Dew Point 35 °F    
Average Humidity 83    
Maximum Humidity 100    
Minimum Humidity 66    
Precipitation  
Precipitation 0.00 in 0.11 in 1.15 in (1969)
Month to date precipitation 0.27 1.99  
Year to date precipitation 16.95 17.26  
Since 1 July precipitation 2.35 5.36  
Sea Level Pressure  
Sea Level Pressure 30.09 in    
Wind  
Wind Speed 1 mph (SSE)    
Max Wind Speed 8 mph    
Max Gust Speed 10 mph    
Visibility 2 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 20, 2011 Rise Set
Actual Time 7:19 AM PST 4:47 PM PST
Civil Twilight 6:49 AM PST 5:17 PM PST
Nautical Twilight 6:16 AM PST 5:51 PM PST
Astronomical Twilight 5:43 AM PST 6:23 PM PST
Moon 2:48 AM PST (12/20) 1:26 PM PST (12/20)
Length of Visible Light 10h 28m
Length of Day
9h 28m
Waning Crescent, 20% of the Moon is Illuminated
Dec 20
Waning Crescent
Dec 24
New
Dec 31
First Quarter
Jan 8
Full
Jan 16
Last Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:05 AM 33.8 °F - 33.8 °F 100% 30.10 in 0.2 mi Calm Calm - N/A Fog Fog
12:53 AM 34.0 °F - 33.1 °F 96% 30.10 in 0.2 mi Calm Calm - N/A Fog Fog
1:53 AM 33.1 °F - 32.0 °F 96% 30.10 in 0.5 mi Calm Calm - N/A Fog Fog
1:56 AM 33.8 °F - 32.0 °F 93% 30.10 in 1.2 mi Calm Calm - N/A   Partly Cloudy
2:07 AM 32.0 °F - 30.2 °F 93% 30.10 in 0.5 mi Calm Calm - N/A Fog Fog
2:14 AM 32.0 °F - 30.2 °F 93% 30.10 in 0.2 mi Calm Calm - N/A Fog Fog
2:35 AM 32.0 °F - 30.2 °F 93% 30.10 in 1.0 mi Calm Calm - N/A   Mist
2:40 AM 33.8 °F - 30.2 °F 87% 30.10 in 2.0 mi Calm Calm - N/A   Scattered Clouds
2:53 AM 33.1 °F - 30.9 °F 92% 30.09 in 2.0 mi Calm Calm - N/A   Clear
3:42 AM 33.8 °F - 30.2 °F 87% 30.10 in 1.8 mi Calm Calm - N/A   Clear
3:53 AM 33.8 °F - 32.0 °F 93% 30.10 in 2.0 mi Calm Calm - N/A   Clear
4:22 AM 33.8 °F 30.8 °F 32.0 °F 93% 30.10 in 3.0 mi East 3.5 mph - N/A   Clear
4:36 AM 33.8 °F - 32.0 °F 93% 30.10 in 2.5 mi Calm Calm - N/A   Clear
4:53 AM 32.0 °F - 30.9 °F 96% 30.10 in 0.8 mi Calm Calm - N/A   Clear
5:03 AM 30.2 °F - 28.4 °F 93% 30.10 in 2.0 mi Calm Calm - N/A   Clear
5:27 AM 30.2 °F - 30.2 °F 100% 30.11 in 0.8 mi Calm Calm - N/A   Clear
5:31 AM 32.0 °F - 30.2 °F 93% 30.10 in 0.2 mi Calm Calm - N/A Fog Fog
5:46 AM 32.0 °F - 30.2 °F 93% 30.11 in 0.8 mi Calm Calm - N/A   Mist
5:49 AM 32.0 °F - 30.2 °F 93% 30.11 in 1.2 mi Calm Calm - N/A   Partly Cloudy
5:53 AM 30.9 °F - 30.0 °F 96% 30.11 in 2.5 mi Calm Calm - N/A   Partly Cloudy
6:01 AM 30.2 °F - 28.4 °F 93% 30.11 in 3.0 mi Calm Calm - N/A   Partly Cloudy
6:07 AM 30.2 °F - 28.4 °F 93% 30.11 in 1.8 mi Calm Calm - N/A   Clear
6:15 AM 32.0 °F 28.7 °F 30.2 °F 93% 30.12 in 3.0 mi ENE 3.5 mph - N/A   Clear
6:53 AM 30.0 °F - 28.9 °F 96% 30.12 in 3.0 mi Calm Calm - N/A   Clear
7:00 AM 30.2 °F 25.4 °F 28.4 °F 93% 30.12 in 2.0 mi ESE 4.6 mph - N/A   Clear
7:12 AM 32.0 °F - 30.2 °F 93% 30.12 in 3.0 mi Calm Calm - N/A   Clear
7:53 AM 32.0 °F - 30.0 °F 92% 30.12 in 4.0 mi Calm Calm - N/A   Clear
8:53 AM 36.0 °F 33.3 °F 34.0 °F 93% 30.14 in 2.0 mi SW 3.5 mph - N/A   Clear
9:53 AM 39.9 °F - 37.0 °F 89% 30.15 in 2.0 mi Calm Calm - N/A   Clear
10:05 AM 39.2 °F 35.0 °F 37.4 °F 93% 30.15 in 1.5 mi WSW 5.8 mph - N/A   Partly Cloudy
10:13 AM 39.2 °F 35.9 °F 37.4 °F 93% 30.15 in 0.8 mi West 4.6 mph - N/A   Mist
10:37 AM 39.2 °F 37.0 °F 37.4 °F 93% 30.14 in 1.0 mi WNW 3.5 mph - N/A   Mostly Cloudy
10:53 AM 39.9 °F - 37.9 °F 93% 30.15 in 1.2 mi Calm Calm - N/A   Mostly Cloudy
11:01 AM 41.0 °F - 37.4 °F 87% 30.15 in 1.8 mi Calm Calm - N/A   Partly Cloudy
11:09 AM 41.0 °F - 37.4 °F 87% 30.14 in 2.5 mi Calm Calm - N/A   Scattered Clouds
11:28 AM 42.8 °F - 37.4 °F 81% 30.13 in 3.0 mi Calm Calm - N/A   Haze
11:53 AM 46.0 °F 44.8 °F 39.0 °F 76% 30.12 in 4.0 mi Variable 3.5 mph - N/A   Haze
12:53 PM 48.9 °F - 41.0 °F 74% 30.09 in 4.0 mi SSE 3.5 mph - N/A   Haze
1:53 PM 51.1 °F - 42.1 °F 71% 30.06 in 3.0 mi Variable 3.5 mph - N/A   Haze
2:53 PM 53.1 °F - 42.1 °F 66% 30.06 in 4.0 mi Calm Calm - N/A   Haze
3:53 PM 50.0 °F - 42.1 °F 74% 30.05 in 3.0 mi SSW 3.5 mph - N/A   Haze
4:53 PM 46.9 °F - 42.1 °F 83% 30.06 in 3.0 mi SSW 4.6 mph - N/A   Haze
5:00 PM 46.4 °F 45.2 °F 42.8 °F 87% 30.06 in 2.0 mi South 3.5 mph - N/A   Haze
5:15 PM 46.4 °F 44.3 °F 41.0 °F 81% 30.06 in 3.0 mi SW 4.6 mph - N/A   Haze
5:53 PM 43.0 °F - 39.9 °F 89% 30.06 in 2.5 mi Calm Calm - N/A   Clear
6:41 PM 39.2 °F - 37.4 °F 93% 30.06 in 1.8 mi Calm Calm - N/A   Clear
6:53 PM 41.0 °F - 39.0 °F 93% 30.06 in 1.0 mi Calm Calm - N/A   Clear
7:37 PM 39.2 °F - 37.4 °F 93% 30.05 in 0.2 mi Calm Calm - N/A Fog Fog
7:53 PM 37.9 °F - 37.0 °F 97% 30.05 in 0.2 mi Calm Calm - N/A Fog Fog
8:09 PM 37.4 °F - 37.4 °F 100% 30.06 in 1.0 mi Calm Calm - N/A   Mist
8:16 PM 37.4 °F - 37.4 °F 100% 30.06 in 1.8 mi Calm Calm - N/A   Partly Cloudy
8:32 PM 37.4 °F - 35.6 °F 93% 30.06 in 0.5 mi Calm Calm - N/A Fog Fog
8:40 PM 37.4 °F - 35.6 °F 93% 30.06 in 0.2 mi Calm Calm - N/A Fog Fog
8:53 PM 37.0 °F - 37.0 °F 100% 30.07 in 0.2 mi Calm Calm - N/A Fog Fog
9:06 PM 37.4 °F 34.9 °F 35.6 °F 93% 30.07 in 0.5 mi East 3.5 mph - N/A Fog Fog
9:10 PM 37.4 °F 33.8 °F 35.6 °F 93% 30.07 in 1.2 mi ENE 4.6 mph - N/A   Scattered Clouds
9:53 PM 39.0 °F - 37.9 °F 96% 30.07 in 1.2 mi Calm Calm - N/A   Clear
10:09 PM 37.4 °F 34.9 °F 37.4 °F 100% 30.07 in 0.5 mi ESE 3.5 mph - N/A Fog Fog
10:19 PM 37.4 °F - 35.6 °F 93% 30.07 in 0.2 mi Calm Calm - N/A Fog Fog
10:53 PM 36.0 °F - 34.0 °F 93% 30.08 in 0.2 mi Calm Calm - N/A Fog Fog
11:41 PM 35.6 °F - 35.6 °F 100% 30.07 in 1.0 mi Calm Calm - N/A   Mist
11:50 PM 35.6 °F - 33.8 °F 93% 30.07 in 0.2 mi Calm Calm - N/A Fog Fog
11:53 PM 35.1 °F 31.0 °F 34.0 °F 96% 30.06 in 0.2 mi East 4.6 mph - N/A Fog Fog