Weather History for Vacaville, CA

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Sunday, August 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 80 °F -  
Max Temperature 100 °F 91 °F 111 °F (1950)
Min Temperature 61 °F 55 °F 46 °F (1985)
Cooling Degree Days 15    
Growing Degree Days 30 (Base 50)    
Moisture  
Dew Point 57 °F    
Average Humidity 49    
Maximum Humidity 81    
Minimum Humidity 25    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.81 in    
Wind  
Wind Speed 2 mph (South)    
Max Wind Speed 9 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

Aug. 18, 2013 Rise Set
Actual Time 6:25 AM PDT 7:57 PM PDT
Civil Twilight 5:57 AM PDT 8:25 PM PDT
Nautical Twilight 5:23 AM PDT 8:58 PM PDT
Astronomical Twilight 4:47 AM PDT 9:34 PM PDT
Moon 6:06 PM PDT (8/18) 3:41 AM PDT (8/18)
Length of Visible Light 14h 27m
Length of Day
13h 31m
Waxing Gibbous, 93% of the Moon is Illuminated
Aug 18
Waxing Gibbous
Aug 20
Full
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 68.0 °F - 57.0 °F 68% 29.82 in 10.0 mi South 3.5 mph - N/A   Clear
1:53 AM 66.0 °F - 57.0 °F 73% 29.82 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 63.0 °F - 55.0 °F 75% 29.82 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 64.9 °F - 57.0 °F 75% 29.81 in 10.0 mi SSW 4.6 mph - N/A   Clear
4:53 AM 63.0 °F - 55.9 °F 78% 29.82 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 61.0 °F - 55.0 °F 81% 29.83 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 62.1 °F - 55.0 °F 78% 29.85 in 10.0 mi Calm Calm - N/A   Clear
7:53 AM 69.1 °F - 57.0 °F 65% 29.87 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 75.9 °F - 59.0 °F 56% 29.87 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 81.0 °F 81.3 °F 59.0 °F 47% 29.87 in 10.0 mi NE 3.5 mph - N/A   Clear
10:53 AM 84.9 °F 84.8 °F 60.1 °F 43% 29.86 in 10.0 mi Variable 3.5 mph - N/A   Clear
11:53 AM 89.1 °F 88.8 °F 60.1 °F 38% 29.86 in 10.0 mi ESE 4.6 mph - N/A   Clear
12:53 PM 93.0 °F 92.0 °F 57.9 °F 31% 29.84 in 10.0 mi Calm Calm - N/A   Clear
1:53 PM 97.0 °F 96.1 °F 57.9 °F 27% 29.82 in 10.0 mi Calm Calm - N/A   Clear
2:53 PM 97.0 °F 96.5 °F 59.0 °F 28% 29.81 in 10.0 mi East 4.6 mph - N/A   Clear
3:53 PM 99.0 °F 98.6 °F 59.0 °F 26% 29.78 in 10.0 mi Variable 5.8 mph - N/A   Clear
4:53 PM 98.1 °F 96.8 °F 57.0 °F 25% 29.76 in 10.0 mi South 9.2 mph - N/A   Clear
5:53 PM 97.0 °F 95.3 °F 55.9 °F 25% 29.75 in 10.0 mi Variable 5.8 mph - N/A   Clear
6:53 PM 96.1 °F 94.1 °F 55.0 °F 25% 29.75 in 10.0 mi South 9.2 mph - N/A   Clear
7:53 PM 91.0 °F 89.7 °F 57.0 °F 32% 29.74 in 10.0 mi SSW 3.5 mph - N/A   Clear
8:53 PM 88.0 °F 86.7 °F 57.0 °F 35% 29.75 in 10.0 mi SW 4.6 mph - N/A   Clear
9:53 PM 84.0 °F 83.3 °F 57.0 °F 40% 29.76 in 10.0 mi SW 4.6 mph - N/A   Clear
10:53 PM 78.1 °F - 57.9 °F 50% 29.77 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 77.0 °F - 57.9 °F 52% 29.77 in 10.0 mi Calm Calm - N/A   Clear