Livermore, CA

7:49 AM PDT on May 23, 2017 (GMT -0700)
Livermore Municipal

Weather History for KLVK - September, 2013

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Friday, September 13, 2013

  Actual Average Record
Temperature  
Mean Temperature 73 °F 71 °F  
Max Temperature 86 °F 85 °F 109 °F (1971)
Min Temperature 59 °F 56 °F 42 °F (1972)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 July heating degree days 0 7  
Cooling Degree Days 8 6  
Month to date cooling degree days 130 85  
Year to date cooling degree days 954 710  
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 56 °F    
Average Humidity 61    
Maximum Humidity 84    
Minimum Humidity 37    
Precipitation  
Precipitation 0.00 in 0.01 in 0.32 in (1963)
Month to date precipitation 0.01 0.05  
Year to date precipitation 2.13 9.96  
Since 1 July precipitation 0.01  
Sea Level Pressure  
Sea Level Pressure 29.85 in    
Wind  
Wind Speed 7 mph (WNW)    
Max Wind Speed 17 mph    
Max Gust Speed 20 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Sep. 13, 2013 Rise Set
Actual Time 6:47 AM PDT 7:17 PM PDT
Civil Twilight 6:21 AM PDT 7:43 PM PDT
Nautical Twilight 5:50 AM PDT 8:14 PM PDT
Astronomical Twilight 5:18 AM PDT 8:46 PM PDT
Moon 3:07 PM PDT (9/13) 12:27 AM PDT (9/13)
Length of Visible Light 13h 22m
Length of Day
12h 29m
Waxing Gibbous, 62% of the Moon is Illuminated
Sep 13
Waxing Gibbous
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
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
12:33 AM 64.4 °F - 57.2 °F 77% 29.91 in 10.0 mi West 4.6 mph - N/A   Overcast
12:53 AM 63.0 °F - 57.0 °F 81% 29.90 in 10.0 mi WNW 5.8 mph - N/A   Overcast
1:53 AM 62.1 °F - 57.0 °F 84% 29.89 in 10.0 mi WSW 3.5 mph - N/A   Overcast
2:53 AM 62.1 °F - 57.0 °F 84% 29.90 in 10.0 mi WNW 6.9 mph - N/A   Overcast
3:53 AM 61.0 °F - 55.9 °F 83% 29.89 in 10.0 mi WNW 10.4 mph - N/A   Overcast
4:07 AM 60.8 °F - 55.4 °F 82% 29.90 in 10.0 mi WNW 10.4 mph - N/A   Overcast
4:53 AM 61.0 °F - 55.9 °F 83% 29.89 in 10.0 mi WNW 5.8 mph - N/A   Overcast
5:32 AM 60.8 °F - 55.4 °F 82% 29.90 in 10.0 mi NW 3.5 mph - N/A   Overcast
5:53 AM 61.0 °F - 55.9 °F 83% 29.89 in 10.0 mi SW 3.5 mph - N/A   Overcast
6:53 AM 61.0 °F - 55.9 °F 83% 29.89 in 10.0 mi South 5.8 mph - N/A   Overcast
7:53 AM 61.0 °F - 55.9 °F 83% 29.90 in 6.0 mi Calm Calm - N/A   Haze
8:53 AM 62.1 °F - 55.9 °F 80% 29.90 in 6.0 mi Variable 3.5 mph - N/A   Haze
9:03 AM 62.6 °F - 55.4 °F 77% 29.90 in 10.0 mi Calm Calm - N/A   Overcast
9:53 AM 64.9 °F - 55.9 °F 73% 29.89 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
10:18 AM 66.2 °F - 55.4 °F 68% 29.90 in 10.0 mi WNW 4.6 mph - N/A   Scattered Clouds
10:53 AM 69.1 °F - 55.9 °F 63% 29.88 in 10.0 mi NW 5.8 mph - N/A   Clear
11:53 AM 73.0 °F - 57.0 °F 57% 29.86 in 10.0 mi Variable 4.6 mph - N/A   Clear
12:53 PM 79.0 °F - 57.0 °F 47% 29.83 in 10.0 mi WNW 5.8 mph - N/A   Clear
1:53 PM 82.9 °F 82.1 °F 55.9 °F 39% 29.80 in 10.0 mi West 6.9 mph - N/A   Clear
2:53 PM 84.9 °F 83.7 °F 55.9 °F 37% 29.78 in 10.0 mi West 11.5 mph - N/A   Clear
3:53 PM 82.9 °F 82.1 °F 55.9 °F 39% 29.76 in 10.0 mi West 15.0 mph - N/A   Clear
4:53 PM 80.1 °F 80.1 °F 55.0 °F 42% 29.75 in 10.0 mi West 15.0 mph - N/A   Clear
5:53 PM 73.9 °F - 54.0 °F 50% 29.75 in 10.0 mi WNW 11.5 mph - N/A   Clear
6:53 PM 69.1 °F - 55.0 °F 61% 29.76 in 10.0 mi WNW 12.7 mph - N/A   Clear
7:53 PM 64.0 °F - 55.0 °F 73% 29.77 in 10.0 mi WNW 9.2 mph - N/A   Clear
8:53 PM 62.1 °F - 55.0 °F 78% 29.78 in 10.0 mi WNW 6.9 mph - N/A   Clear
9:53 PM 62.1 °F - 55.0 °F 78% 29.79 in 10.0 mi WNW 9.2 mph - N/A   Clear
10:53 PM 61.0 °F - 55.0 °F 81% 29.80 in 10.0 mi WNW 6.9 mph - N/A   Clear
11:53 PM 61.0 °F - 55.0 °F 81% 29.79 in 10.0 mi WNW 8.1 mph - N/A   Clear