Livermore, CA

4:38 AM PDT on October 21, 2017 (GMT -0700)
Livermore Municipal

Weather History for KLVK - September, 2014

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Monday, September 15, 2014

  Actual Average Record
Temperature  
Mean Temperature 73 °F 70 °F  
Max Temperature 85 °F 85 °F 109 °F (1971)
Min Temperature 61 °F 56 °F 39 °F (1970)
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 142 97  
Year to date cooling degree days 1056 722  
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 54 °F    
Average Humidity 62    
Maximum Humidity 90    
Minimum Humidity 34    
Precipitation  
Precipitation 0.00 in 0.01 in 0.04 in (1982)
Month to date precipitation 0.00 0.06  
Year to date precipitation 4.88 9.97  
Since 1 July precipitation T  
Sea Level Pressure  
Sea Level Pressure 29.87 in    
Wind  
Wind Speed 9 mph (WNW)    
Max Wind Speed 22 mph    
Max Gust Speed 25 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. 15, 2014 Rise Set
Actual Time 6:49 AM PDT 7:14 PM PDT
Civil Twilight 6:22 AM PDT 7:41 PM PDT
Nautical Twilight 5:52 AM PDT 8:12 PM PDT
Astronomical Twilight 5:20 AM PDT 8:43 PM PDT
Moon No Moon Rise 1:47 PM PDT (9/15)
Length of Visible Light 13h 18m
Length of Day
12h 25m
Waning Gibbous, 53% of the Moon is Illuminated
Sep 15
Waning Gibbous
Sep 15
Last Quarter
Sep 23
New
Oct 1
First Quarter
Oct 8
Full

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 66.9 °F - 50.0 °F 54% 29.82 in 10.0 mi WNW 5.8 mph - N/A   Clear
1:53 AM 66.0 °F - 50.0 °F 56% 29.82 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:53 AM 64.9 °F - 51.1 °F 61% 29.83 in 10.0 mi WNW 5.8 mph - N/A   Clear
3:53 AM 63.0 °F - 55.0 °F 75% 29.83 in 10.0 mi NW 4.6 mph - N/A   Clear
4:53 AM 62.1 °F - 55.9 °F 80% 29.84 in 10.0 mi NW 3.5 mph - N/A   Clear
5:53 AM 61.0 °F - 55.9 °F 83% 29.86 in 10.0 mi NW 6.9 mph - N/A   Clear
6:53 AM 61.0 °F - 57.0 °F 87% 29.87 in 10.0 mi WNW 5.8 mph - N/A   Clear
7:53 AM 63.0 °F - 57.0 °F 81% 29.88 in 10.0 mi WNW 6.9 mph - N/A   Clear
8:53 AM 66.0 °F - 57.0 °F 73% 29.89 in 10.0 mi West 5.8 mph - N/A   Unknown
9:53 AM 70.0 °F - 57.0 °F 63% 29.90 in 10.0 mi Variable 4.6 mph - N/A   Clear
10:53 AM 73.0 °F - 55.9 °F 55% 29.89 in 10.0 mi WNW 6.9 mph - N/A   Clear
11:53 AM 77.0 °F - 55.9 °F 48% 29.89 in 10.0 mi WNW 9.2 mph - N/A   Clear
12:53 PM 81.0 °F 80.7 °F 55.0 °F 41% 29.88 in 10.0 mi WNW 11.5 mph - N/A   Clear
1:53 PM 82.9 °F 81.8 °F 53.1 °F 36% 29.86 in 10.0 mi WNW 15.0 mph - N/A   Clear
2:53 PM 84.0 °F 82.6 °F 54.0 °F 35% 29.85 in 10.0 mi West 15.0 mph - N/A   Clear
3:53 PM 82.0 °F - 51.1 °F 34% 29.84 in 10.0 mi WNW 17.3 mph - N/A   Clear
4:53 PM 80.1 °F - 51.1 °F 36% 29.85 in 10.0 mi WNW 20.7 mph - N/A   Clear
5:53 PM 77.0 °F - 48.9 °F 37% 29.86 in 10.0 mi West 15.0 mph - N/A   Clear
6:53 PM 73.0 °F - 51.1 °F 46% 29.86 in 10.0 mi West 15.0 mph - N/A   Clear
7:53 PM 68.0 °F - 51.1 °F 55% 29.87 in 10.0 mi West 13.8 mph - N/A   Clear
8:53 PM 66.0 °F - 53.1 °F 63% 29.90 in 10.0 mi West 12.7 mph - N/A   Clear
9:53 PM 64.9 °F - 54.0 °F 68% 29.91 in 10.0 mi WSW 8.1 mph - N/A   Clear
10:53 PM 64.0 °F - 55.0 °F 73% 29.92 in 10.0 mi WSW 10.4 mph - N/A   Clear
11:53 PM 62.1 °F - 54.0 °F 75% 29.93 in 10.0 mi WNW 4.6 mph - N/A   Clear