Weather History for Half Moon Bay, CA

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Wednesday, April 3, 2013

  Actual Average Record
Temperature  
Mean Temperature 52 °F -  
Max Temperature 57 °F 59 °F 59 °F (2012)
Min Temperature 46 °F 44 °F 42 °F (2012)
Degree Days  
Heating Degree Days 14    
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 49 °F    
Average Humidity 96    
Maximum Humidity 100    
Minimum Humidity 82    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.11 in    
Wind  
Wind Speed 6 mph (NNW)    
Max Wind Speed 12 mph    
Max Gust Speed -    
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

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Date:

Astronomy

Apr. 03, 2013 Rise Set
Actual Time 6:51 AM PDT 7:34 PM PDT
Civil Twilight 6:25 AM PDT 8:01 PM PDT
Nautical Twilight 5:54 AM PDT 8:32 PM PDT
Astronomical Twilight 5:22 AM PDT 9:04 PM PDT
Moon 2:29 AM PDT (4/3) 1:00 PM PDT (4/3)
Length of Visible Light 13h 35m
Length of Day
12h 42m
Last Quarter, 43% of the Moon is Illuminated
Apr 3
Last Quarter
Apr 10
New
Apr 18
First Quarter
Apr 25
Full
May 2
Last Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 48.2 °F - 48.2 °F 100% 30.17 in 5.0 mi North 4.6 mph - N/A   Overcast
12:35 AM 48.2 °F - 48.2 °F 100% 30.17 in 4.0 mi North 5.8 mph - N/A   Overcast
12:55 AM 48.2 °F - 48.2 °F 100% 30.17 in 1.8 mi North 5.8 mph - N/A   Overcast
1:15 AM 48.2 °F - 48.2 °F 100% 30.17 in 2.5 mi North 8.1 mph - N/A   Overcast
1:35 AM 48.2 °F - 48.2 °F 100% 30.17 in 4.0 mi NNW 8.1 mph - N/A   Overcast
1:55 AM 48.2 °F - 48.2 °F 100% 30.17 in 2.5 mi NW 6.9 mph - N/A   Overcast
2:15 AM 48.2 °F - 48.2 °F 100% 30.17 in 3.0 mi North 6.9 mph - N/A   Overcast
2:35 AM 48.2 °F - 48.2 °F 100% 30.16 in 1.0 mi ENE 4.6 mph - N/A   Overcast
2:55 AM 48.2 °F - 48.2 °F 100% 30.15 in 1.2 mi ENE 3.5 mph - N/A   Overcast
3:15 AM 48.2 °F - 48.2 °F 100% 30.15 in 1.8 mi East 4.6 mph - N/A   Overcast
3:35 AM 48.2 °F - 48.2 °F 100% 30.14 in 6.0 mi NNE 4.6 mph - N/A   Overcast
3:55 AM 48.2 °F - 48.2 °F 100% 30.13 in 3.0 mi ENE 4.6 mph - N/A   Overcast
4:15 AM 46.4 °F - 46.4 °F 100% 30.13 in 1.2 mi Calm Calm - N/A   Overcast
4:35 AM 46.4 °F 45.2 °F 46.4 °F 100% 30.13 in 0.8 mi East 3.5 mph - N/A   Overcast
4:55 AM 46.4 °F 43.5 °F 46.4 °F 100% 30.12 in 0.5 mi East 5.8 mph - N/A Fog Fog
5:15 AM 46.4 °F 44.3 °F 46.4 °F 100% 30.12 in 0.2 mi ENE 4.6 mph - N/A Fog Fog
5:35 AM 48.2 °F - 48.2 °F 100% 30.14 in 0.5 mi North 4.6 mph - N/A Fog Fog
5:55 AM 46.4 °F 43.5 °F 46.4 °F 100% 30.12 in 1.0 mi ENE 5.8 mph - N/A   Overcast
6:15 AM 46.4 °F - 46.4 °F 100% 30.13 in 1.0 mi Calm Calm - N/A   Overcast
6:35 AM 48.2 °F - 48.2 °F 100% 30.13 in 1.0 mi NNW 5.8 mph - N/A   Overcast
6:55 AM 48.2 °F - 48.2 °F 100% 30.14 in 0.8 mi NNW 4.6 mph - N/A   Overcast
7:15 AM 48.2 °F - 48.2 °F 100% 30.15 in 1.8 mi North 4.6 mph - N/A   Overcast
7:35 AM 48.2 °F - 48.2 °F 100% 30.15 in 1.0 mi NNE 5.8 mph - N/A   Overcast
7:55 AM 48.2 °F - 48.2 °F 100% 30.15 in 1.0 mi North 4.6 mph - N/A   Overcast
8:15 AM 48.2 °F - 48.2 °F 100% 30.15 in 4.0 mi North 6.9 mph - N/A   Overcast
8:35 AM 48.2 °F - 48.2 °F 100% 30.15 in 7.0 mi NNW 5.8 mph - N/A   Overcast
8:55 AM 48.2 °F - 48.2 °F 100% 30.15 in 9.0 mi NNW 6.9 mph - N/A   Overcast
9:15 AM 48.2 °F - 48.2 °F 100% 30.15 in 10.0 mi NNW 5.8 mph - N/A   Overcast
9:35 AM 48.2 °F - 48.2 °F 100% 30.15 in 6.0 mi North 6.9 mph - N/A   Overcast
9:55 AM 50.0 °F - 50.0 °F 100% 30.15 in 9.0 mi North 8.1 mph - N/A   Overcast
10:15 AM 50.0 °F - 50.0 °F 100% 30.15 in 9.0 mi North 6.9 mph - N/A   Overcast
10:35 AM 50.0 °F - 50.0 °F 100% 30.15 in 9.0 mi NW 11.5 mph - N/A   Overcast
10:55 AM 51.8 °F - 50.0 °F 94% 30.14 in 9.0 mi North 6.9 mph - N/A   Overcast
11:15 AM 51.8 °F - 50.0 °F 94% 30.14 in 8.0 mi NNW 8.1 mph - N/A   Overcast
11:35 AM 53.6 °F - 50.0 °F 88% 30.13 in 9.0 mi NNW 6.9 mph - N/A   Overcast
11:55 AM 53.6 °F - 50.0 °F 88% 30.13 in 9.0 mi NW 8.1 mph - N/A   Mostly Cloudy
12:15 PM 53.6 °F - 50.0 °F 88% 30.12 in 7.0 mi NNW 8.1 mph - N/A   Mostly Cloudy
12:35 PM 53.6 °F - 50.0 °F 88% 30.11 in 10.0 mi NNW 9.2 mph - N/A   Partly Cloudy
12:55 PM 55.4 °F - 51.8 °F 88% 30.10 in 10.0 mi NW 6.9 mph - N/A   Clear
1:15 PM 57.2 °F - 53.6 °F 88% 30.08 in 8.0 mi NW 3.5 mph - N/A   Clear
1:35 PM 57.2 °F - 51.8 °F 82% 30.07 in 10.0 mi NW 5.8 mph - N/A   Clear
1:55 PM 57.2 °F - 51.8 °F 82% 30.07 in 10.0 mi WNW 8.1 mph - N/A   Clear
2:15 PM 55.4 °F - 51.8 °F 88% 30.07 in 9.0 mi NW 8.1 mph - N/A   Clear
2:35 PM 55.4 °F - 53.6 °F 94% 30.07 in 9.0 mi NNW 6.9 mph - N/A   Clear
2:55 PM 57.2 °F - 53.6 °F 88% 30.07 in 9.0 mi NW 8.1 mph - N/A   Clear
3:15 PM 55.4 °F - 51.8 °F 88% 30.08 in 10.0 mi WNW 11.5 mph - N/A   Scattered Clouds
3:35 PM 53.6 °F - 50.0 °F 88% 30.08 in 10.0 mi WNW 6.9 mph - N/A   Overcast
3:55 PM 53.6 °F - 50.0 °F 88% 30.08 in 9.0 mi WNW 9.2 mph - N/A   Overcast
4:15 PM 51.8 °F - 50.0 °F 94% 30.07 in 10.0 mi NW 5.8 mph - N/A   Overcast
4:35 PM 51.8 °F - 50.0 °F 94% 30.08 in 9.0 mi WNW 9.2 mph - N/A   Overcast
4:55 PM 50.0 °F - 50.0 °F 100% 30.07 in 5.0 mi WNW 4.6 mph - N/A   Overcast
5:15 PM 50.0 °F - 50.0 °F 100% 30.07 in 3.0 mi West 4.6 mph - N/A   Overcast
5:35 PM 50.0 °F - 50.0 °F 100% 30.06 in 4.0 mi WNW 3.5 mph - N/A   Overcast
5:55 PM 50.0 °F - 48.2 °F 94% 30.07 in 5.0 mi WNW 8.1 mph - N/A   Overcast
6:15 PM 50.0 °F - 48.2 °F 94% 30.07 in 7.0 mi Calm Calm - N/A   Overcast
6:35 PM 50.0 °F - 48.2 °F 94% 30.07 in 7.0 mi WNW 4.6 mph - N/A   Overcast
6:55 PM 50.0 °F - 48.2 °F 94% 30.07 in 8.0 mi West 4.6 mph - N/A   Overcast
7:15 PM 50.0 °F - 48.2 °F 94% 30.06 in 10.0 mi ENE 3.5 mph - N/A   Overcast
7:35 PM 50.0 °F - 48.2 °F 94% 30.05 in 10.0 mi Calm Calm - N/A   Overcast
7:55 PM 50.0 °F - 48.2 °F 94% 30.05 in 10.0 mi Calm Calm - N/A   Overcast
8:15 PM 50.0 °F - 48.2 °F 94% 30.04 in 10.0 mi SE 5.8 mph - N/A   Overcast
8:35 PM 50.0 °F - 48.2 °F 94% 30.05 in 10.0 mi South 5.8 mph - N/A   Overcast
8:55 PM 50.0 °F - 48.2 °F 94% 30.05 in 10.0 mi SSE 4.6 mph - N/A   Overcast
9:15 PM 50.0 °F - 48.2 °F 94% 30.05 in 9.0 mi SSE 4.6 mph - N/A   Overcast
9:35 PM 50.0 °F - 48.2 °F 94% 30.05 in 6.0 mi SSW 4.6 mph - N/A   Overcast
9:55 PM 50.0 °F - 48.2 °F 94% 30.05 in 5.0 mi South 3.5 mph - N/A   Overcast
10:15 PM 50.0 °F - 48.2 °F 94% 30.06 in 2.5 mi WSW 4.6 mph - N/A   Overcast
10:35 PM 48.2 °F - 48.2 °F 100% 30.07 in 4.0 mi West 5.8 mph - N/A   Overcast
11:15 PM 50.0 °F - 48.2 °F 94% 30.07 in 7.0 mi South 6.9 mph - N/A   Overcast
11:35 PM 50.0 °F - 48.2 °F 94% 30.08 in 6.0 mi SSW 6.9 mph - N/A   Overcast
11:55 PM 50.0 °F - 48.2 °F 94% 30.07 in 8.0 mi SSW 10.4 mph - N/A   Overcast