Half Moon Bay, CA

8:50 PM PDT on April 19, 2018 (GMT -0700)
Half Moon Bay

Weather History for KHAF - September, 2013

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Sunday, September 22, 2013

  Actual Average Record
Temperature  
Mean Temperature 56 °F -  
Max Temperature 64 °F 67 °F 69 °F (2014)
Min Temperature 48 °F 51 °F 41 °F (2012)
Degree Days  
Heating Degree Days 9    
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 54 °F    
Average Humidity 92    
Maximum Humidity 100    
Minimum Humidity 73    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 4 mph (NW)    
Max Wind Speed 15 mph    
Max Gust Speed 18 mph    
Visibility 6 miles    
Events Fog    
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Sep. 22, 2013 Rise Set
Actual Time 6:58 AM PDT 7:06 PM PDT
Civil Twilight 6:32 AM PDT 7:32 PM PDT
Nautical Twilight 6:01 AM PDT 8:02 PM PDT
Astronomical Twilight 5:30 AM PDT 8:33 PM PDT
Moon 9:05 PM PDT (9/22) 10:19 AM PDT (9/22)
Length of Visible Light 13h 00m
Length of Day
12h 08m
Waning Gibbous, 88% of the Moon is Illuminated
Sep 22
Waning Gibbous
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
Full

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 53.6 °F 51.8 °F 94% 29.93 in 4.0 mi Calm Calm - N/A   Mostly Cloudy
12:35 AM 53.6 °F 53.6 °F 100% 29.93 in 6.0 mi Calm Calm - N/A   Overcast
12:55 AM 53.6 °F 53.6 °F 100% 29.93 in 7.0 mi Calm Calm - N/A   Mostly Cloudy
1:15 AM 53.6 °F 53.6 °F 100% 29.93 in 6.0 mi Calm Calm - N/A   Mostly Cloudy
1:35 AM 53.6 °F 51.8 °F 94% 29.94 in 8.0 mi Calm Calm - N/A   Overcast
1:55 AM 53.6 °F 53.6 °F 100% 29.94 in 7.0 mi ENE 3.5 mph - N/A   Overcast
2:15 AM 51.8 °F 51.8 °F 100% 29.94 in 7.0 mi Calm Calm - N/A   Mostly Cloudy
2:35 AM 51.8 °F 51.8 °F 100% 29.94 in 6.0 mi Calm Calm - N/A   Mostly Cloudy
2:55 AM 50.0 °F 50.0 °F 100% 29.94 in 5.0 mi ENE 3.5 mph - N/A   Partly Cloudy
3:15 AM 50.0 °F 50.0 °F 100% 29.94 in 8.0 mi Calm Calm - N/A   Partly Cloudy
3:35 AM 50.0 °F 50.0 °F 100% 29.94 in 7.0 mi Calm Calm - N/A   Unknown
3:55 AM 50.0 °F 48.2 °F 94% 29.94 in 5.0 mi WNW 3.5 mph - N/A   Mist
4:15 AM 50.0 °F 48.2 °F 94% 29.94 in 6.0 mi Calm Calm - N/A   Partly Cloudy
4:35 AM 48.2 °F 48.2 °F 100% 29.94 in 7.0 mi Calm Calm - N/A   Scattered Clouds
4:55 AM 48.2 °F 48.2 °F 100% 29.94 in 6.0 mi Calm Calm - N/A   Scattered Clouds
5:15 AM 48.2 °F 48.2 °F 100% 29.95 in 6.0 mi Calm Calm - N/A   Mostly Cloudy
5:35 AM 48.2 °F 48.2 °F 100% 29.94 in 3.0 mi Calm Calm - N/A   Mostly Cloudy
5:55 AM 48.2 °F 48.2 °F 100% 29.95 in 6.0 mi Calm Calm - N/A   Partly Cloudy
6:15 AM 48.2 °F 48.2 °F 100% 29.96 in 5.0 mi Calm Calm - N/A   Mostly Cloudy
6:35 AM 50.0 °F 50.0 °F 100% 29.96 in 5.0 mi Calm Calm - N/A   Overcast
6:55 AM 50.0 °F 50.0 °F 100% 29.96 in 6.0 mi Calm Calm - N/A   Overcast
7:15 AM 51.8 °F 50.0 °F 94% 29.96 in 5.0 mi Calm Calm - N/A   Overcast
7:35 AM 53.6 °F 53.6 °F 100% 29.97 in 0.8 mi Calm Calm - N/A   Overcast
7:55 AM 53.6 °F 53.6 °F 100% 29.97 in 0.2 mi Calm Calm - N/A Fog Fog
8:15 AM 53.6 °F 53.6 °F 100% 29.98 in 0.2 mi North - - N/A Fog Fog
8:35 AM 53.6 °F 53.6 °F 100% 29.98 in 0.2 mi North - - N/A Fog Fog
8:55 AM 55.4 °F 55.4 °F 100% 29.99 in 0.5 mi North - - N/A Fog Fog
9:15 AM 55.4 °F 55.4 °F 100% 30.00 in 0.2 mi North - - N/A Fog Fog
9:35 AM 55.4 °F 55.4 °F 100% 30.00 in 0.2 mi Calm Calm - N/A Fog Fog
9:55 AM 55.4 °F 55.4 °F 100% 30.01 in 0.2 mi Calm Calm - N/A Fog Fog
10:15 AM 55.4 °F 55.4 °F 100% 30.01 in 0.2 mi West 5.8 mph - N/A Fog Fog
10:35 AM 55.4 °F 55.4 °F 100% 30.02 in 0.2 mi West 5.8 mph - N/A Fog Fog
10:55 AM 55.4 °F 55.4 °F 100% 30.03 in 0.8 mi North - - N/A   Overcast
11:15 AM 55.4 °F 55.4 °F 100% 30.02 in 8.0 mi WSW 5.8 mph - N/A   Overcast
11:35 AM 55.4 °F 55.4 °F 100% 30.02 in 1.8 mi West 5.8 mph - N/A   Overcast
11:55 AM 57.2 °F 55.4 °F 94% 30.02 in 9.0 mi West 4.6 mph - N/A   Mostly Cloudy
12:15 PM 57.2 °F 55.4 °F 94% 30.02 in 3.0 mi West 3.5 mph - N/A   Mostly Cloudy
12:35 PM 57.2 °F 55.4 °F 94% 30.03 in 9.0 mi WNW 5.8 mph - N/A   Partly Cloudy
12:55 PM 57.2 °F 55.4 °F 94% 30.02 in 7.0 mi West 6.9 mph - N/A   Partly Cloudy
1:15 PM 59.0 °F 55.4 °F 88% 30.03 in 9.0 mi NW 8.1 mph - N/A   Clear
1:35 PM 60.8 °F 55.4 °F 82% 30.03 in 10.0 mi NNW 8.1 mph - N/A   Clear
1:55 PM 62.6 °F 55.4 °F 77% 30.02 in 8.0 mi NW 9.2 mph - N/A   Clear
2:15 PM 62.6 °F 55.4 °F 77% 30.01 in 10.0 mi NW 13.8 mph - N/A   Clear
2:35 PM 62.6 °F 55.4 °F 77% 30.01 in 9.0 mi NW 11.5 mph - N/A   Clear
2:55 PM 64.4 °F 55.4 °F 73% 30.01 in 10.0 mi NNW 9.2 mph - N/A   Clear
3:15 PM 62.6 °F 55.4 °F 77% 30.01 in 9.0 mi NW 9.2 mph - N/A   Clear
3:35 PM 62.6 °F 55.4 °F 77% 30.01 in 10.0 mi NW 11.5 mph - N/A   Clear
3:55 PM 62.6 °F 57.2 °F 82% 30.00 in 9.0 mi NW 12.7 mph - N/A   Clear
4:15 PM 62.6 °F 55.4 °F 77% 30.00 in 8.0 mi NNW 12.7 mph 18.4 mph N/A   Clear
4:35 PM 62.6 °F 55.4 °F 77% 30.00 in 8.0 mi NW 13.8 mph - N/A   Clear
4:55 PM 62.6 °F 55.4 °F 77% 30.00 in 10.0 mi NNW 11.5 mph - N/A   Clear
5:15 PM 62.6 °F 55.4 °F 77% 30.01 in 8.0 mi North - - N/A   Clear
5:35 PM 62.6 °F 55.4 °F 77% 30.00 in 9.0 mi North 15.0 mph - N/A   Unknown
5:55 PM 62.6 °F 57.2 °F 82% 30.00 in 9.0 mi NNW 9.2 mph - N/A   Clear
6:15 PM 62.6 °F 55.4 °F 77% 30.01 in 9.0 mi NNW 11.5 mph 18.4 mph N/A   Clear
6:35 PM 60.8 °F 55.4 °F 82% 30.01 in 8.0 mi NNW 11.5 mph - N/A   Clear
6:55 PM 60.8 °F 57.2 °F 88% 30.01 in 7.0 mi NNW 11.5 mph - N/A   Clear
7:15 PM 59.0 °F 57.2 °F 94% 30.00 in 9.0 mi NNW 12.7 mph - N/A   Clear
7:35 PM 59.0 °F 57.2 °F 94% 30.01 in 9.0 mi North 9.2 mph - N/A   Clear
7:55 PM 59.0 °F 55.4 °F 88% 30.01 in 10.0 mi North 9.2 mph - N/A   Clear
8:15 PM 59.0 °F 55.4 °F 88% 30.02 in 10.0 mi North 9.2 mph - N/A   Clear
8:35 PM 59.0 °F 55.4 °F 88% 30.02 in 8.0 mi North 8.1 mph - N/A   Clear
8:55 PM 59.0 °F 55.4 °F 88% 30.02 in 8.0 mi NNW 9.2 mph - N/A   Clear
9:15 PM 59.0 °F 55.4 °F 88% 30.02 in 8.0 mi NNW 8.1 mph - N/A   Clear
9:35 PM 59.0 °F 55.4 °F 88% 30.03 in 9.0 mi NNW 8.1 mph - N/A   Clear
9:55 PM 57.2 °F 55.4 °F 94% 30.03 in 7.0 mi NNW 8.1 mph - N/A   Clear
10:15 PM 59.0 °F 55.4 °F 88% 30.03 in 7.0 mi NNW 10.4 mph - N/A   Unknown
10:35 PM 59.0 °F 55.4 °F 88% 30.03 in 9.0 mi North 15.0 mph - N/A   Clear
10:55 PM 59.0 °F 55.4 °F 88% 30.02 in 8.0 mi North 15.0 mph - N/A   Clear
11:15 PM 59.0 °F 55.4 °F 88% 30.02 in 9.0 mi NNW 15.0 mph - N/A   Clear
11:35 PM 59.0 °F 55.4 °F 88% 30.03 in 8.0 mi North 6.9 mph - N/A   Clear
11:55 PM 59.0 °F 55.4 °F 88% 30.03 in 8.0 mi NNW 9.2 mph 16.1 mph N/A   Clear