Weather History for Livermore, CA

Change the Weather History Date:

Friday, April 19, 2013

  Actual Average Record
Temperature  
Mean Temperature 65 °F 57 °F  
Max Temperature 84 °F 69 °F 91 °F (1954)
Min Temperature 45 °F 45 °F 32 °F (1979)
Degree Days  
Heating Degree Days 0 8  
Month to date heating degree days 105 183  
Since 1 July heating degree days 2318 2547  
Cooling Degree Days 0 0  
Month to date cooling degree days 2 0  
Year to date cooling degree days 2 1  
Growing Degree Days 14 (Base 50)    
Moisture  
Dew Point 41 °F    
Average Humidity 47    
Maximum Humidity 71    
Minimum Humidity 22    
Precipitation  
Precipitation 0.00 in 0.03 in 0.38 in (1981)
Month to date precipitation 0.40 0.72  
Year to date precipitation 1.96 8.96  
Since 1 July precipitation 10.25 14.77  
Sea Level Pressure  
Sea Level Pressure 30.15 in    
Wind  
Wind Speed 4 mph (West)    
Max Wind Speed 17 mph    
Max Gust Speed 22 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Apr. 19, 2013 Rise Set
Actual Time 6:26 AM PDT 7:46 PM PDT
Civil Twilight 5:58 AM PDT 8:14 PM PDT
Nautical Twilight 5:26 AM PDT 8:47 PM PDT
Astronomical Twilight 4:52 AM PDT 9:21 PM PDT
Moon 1:43 PM PDT 2:37 AM PDT
Length of Visible Light 14h 15m
Length of Day
13h 20m
Waxing Gibbous, 62% of the Moon is Illuminated
Apr 19
Waxing Gibbous
Apr 25
Full
May 2
Last Quarter
May 9
New
May 17
First 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 50.0 °F 37.9 °F 63% 30.21 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 48.9 °F 37.9 °F 66% 30.21 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 50.0 °F 37.9 °F 63% 30.20 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 48.9 °F 37.9 °F 66% 30.20 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 48.0 °F 37.9 °F 68% 30.21 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 46.9 °F 37.9 °F 71% 30.22 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 46.9 °F 37.9 °F 71% 30.23 in 10.0 mi Calm Calm - N/A   Clear
7:53 AM 51.1 °F 39.0 °F 63% 30.23 in 10.0 mi NE 3.5 mph - N/A   Clear
8:53 AM 57.9 °F 37.9 °F 47% 30.23 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 64.0 °F 41.0 °F 43% 30.23 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 70.0 °F 37.9 °F 31% 30.22 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 75.0 °F 41.0 °F 29% 30.20 in 10.0 mi WNW 3.5 mph - N/A   Clear
12:53 PM 78.1 °F 39.9 °F 25% 30.17 in 10.0 mi SSW 4.6 mph - N/A   Clear
1:53 PM 82.0 °F 41.0 °F 23% 30.15 in 10.0 mi Variable 3.5 mph - N/A   Clear
2:53 PM 82.9 °F 39.0 °F 21% 30.11 in 10.0 mi WSW 10.4 mph - N/A   Clear
3:53 PM 82.9 °F 39.9 °F 22% 30.09 in 10.0 mi WNW 12.7 mph - N/A   Clear
4:53 PM 80.1 °F 45.0 °F 29% 30.09 in 10.0 mi WNW 16.1 mph - N/A   Clear
5:53 PM 77.0 °F 46.0 °F 33% 30.07 in 10.0 mi West 12.7 mph - N/A   Clear
6:53 PM 75.0 °F 46.9 °F 37% 30.06 in 10.0 mi West 11.5 mph - N/A   Clear
7:53 PM 69.1 °F 46.0 °F 44% 30.06 in 10.0 mi West 9.2 mph - N/A   Clear
8:53 PM 66.0 °F 46.9 °F 50% 30.06 in 10.0 mi Calm Calm - N/A   Clear
9:53 PM 66.0 °F 48.0 °F 52% 30.07 in 10.0 mi West 3.5 mph - N/A   Clear
10:53 PM 62.1 °F 46.9 °F 58% 30.07 in 10.0 mi West 4.6 mph - N/A   Clear
11:53 PM 62.1 °F 46.9 °F 58% 30.07 in 10.0 mi West 3.5 mph - N/A   Clear