Weather History for Vacaville, CA

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Saturday, May 19, 2012

  Actual Average Record
Temperature  
Mean Temperature 70 °F -  
Max Temperature 87 °F 83 °F 100 °F (2001)
Min Temperature 53 °F 50 °F 39 °F (1991)
Cooling Degree Days 4    
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 45 °F    
Average Humidity 47    
Maximum Humidity 72    
Minimum Humidity 21    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 5 mph (SW)    
Max Wind Speed 8 mph    
Max Gust Speed -    
Visibility 10 miles    
Events      
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 19, 2012 Rise Set
Actual Time 5:52 AM PDT 8:16 PM PDT
Civil Twilight 5:22 AM PDT 8:46 PM PDT
Nautical Twilight 4:45 AM PDT 9:23 PM PDT
Astronomical Twilight 4:04 AM PDT 10:04 PM PDT
Moon 4:58 AM PDT (5/19) 7:26 PM PDT (5/19)
Length of Visible Light 15h 23m
Length of Day
14h 23m
Waning Crescent, 1% of the Moon is Illuminated
May 19
Waning Crescent
May 20
New
May 28
First Quarter
Jun 4
Full
Jun 11
Last Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 59.0 °F 44.1 °F 58% 29.88 in 10.0 mi SW 8.1 mph - N/A   Clear
1:53 AM 57.0 °F 45.0 °F 64% 29.88 in 10.0 mi SW 6.9 mph - N/A   Clear
2:53 AM 55.9 °F 45.0 °F 67% 29.87 in 10.0 mi SW 8.1 mph - N/A   Clear
3:53 AM 54.0 °F 45.0 °F 72% 29.88 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 54.0 °F 45.0 °F 72% 29.89 in 10.0 mi SW 4.6 mph - N/A   Clear
5:53 AM 53.1 °F 44.1 °F 71% 29.91 in 10.0 mi SW 3.5 mph - N/A   Clear
6:53 AM 55.0 °F 45.0 °F 69% 29.93 in 10.0 mi Calm Calm - N/A   Clear
7:53 AM 59.0 °F 46.0 °F 62% 29.95 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 64.9 °F 46.0 °F 50% 29.96 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 68.0 °F 46.0 °F 45% 29.97 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 75.0 °F 46.0 °F 36% 29.97 in 10.0 mi North 4.6 mph - N/A   Clear
11:53 AM 79.0 °F 44.1 °F 29% 29.96 in 10.0 mi Variable 6.9 mph - N/A   Clear
12:53 PM 81.0 °F 43.0 °F 26% 29.95 in 10.0 mi NW 3.5 mph - N/A   Clear
1:53 PM 84.0 °F 45.0 °F 25% 29.94 in 10.0 mi WNW 5.8 mph - N/A   Clear
3:53 PM 84.9 °F 42.1 °F 22% 29.91 in 10.0 mi SSW 8.1 mph - N/A   Clear
4:53 PM 86.0 °F 42.1 °F 21% 29.90 in 10.0 mi South 5.8 mph - N/A   Clear
5:53 PM 84.9 °F 43.0 °F 23% 29.89 in 10.0 mi SSW 5.8 mph - N/A   Clear
6:53 PM 82.9 °F 45.0 °F 26% 29.88 in 10.0 mi SSW 6.9 mph - N/A   Clear
7:53 PM 78.1 °F 46.9 °F 33% 29.88 in 10.0 mi SW 5.8 mph - N/A   Clear
9:53 PM 70.0 °F 48.0 °F 46% 29.91 in 10.0 mi SW 3.5 mph - N/A   Clear
10:53 PM 66.0 °F 48.0 °F 52% 29.92 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 66.0 °F 48.9 °F 54% 29.92 in 10.0 mi Calm Calm - N/A   Clear