Weather History for Half Moon Bay, CA

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Sunday, January 6, 2013

  Actual Average Record
Temperature  
Mean Temperature 48 °F -  
Max Temperature 53 °F 56 °F 62 °F (2014)
Min Temperature 42 °F 41 °F 39 °F (2012)
Degree Days  
Heating Degree Days 18    
Moisture  
Dew Point 44 °F    
Average Humidity 84    
Maximum Humidity 93    
Minimum Humidity 62    
Precipitation  
Precipitation 0.01 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.15 in    
Wind  
Wind Speed 7 mph (NNE)    
Max Wind Speed 17 mph    
Max Gust Speed 25 mph    
Visibility 8 miles    
Events Rain    
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

Jan. 06, 2013 Rise Set
Actual Time 7:25 AM PST 5:07 PM PST
Civil Twilight 6:56 AM PST 5:36 PM PST
Nautical Twilight 6:23 AM PST 6:08 PM PST
Astronomical Twilight 5:51 AM PST 6:40 PM PST
Moon 1:48 AM PST (1/6) 12:36 PM PST (1/6)
Length of Visible Light 10h 40m
Length of Day
9h 42m
Waning Crescent, 32% of the Moon is Illuminated
Jan 6
Waning Crescent
Jan 11
New
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 50.0 °F - 46.4 °F 87% 30.07 in 4.0 mi West 8.1 mph - N/A   Overcast
12:35 AM 50.0 °F - 46.4 °F 87% 30.06 in 3.0 mi West 6.9 mph - 0.01 in Rain Light Rain
12:55 AM 50.0 °F - 46.4 °F 87% 30.05 in 7.0 mi SSW 4.6 mph - 0.01 in   Mostly Cloudy
1:15 AM 50.0 °F - 46.4 °F 87% 30.04 in 7.0 mi SSE 5.8 mph - N/A   Overcast
1:35 AM 50.0 °F - 46.4 °F 87% 30.04 in 7.0 mi SE 6.9 mph - N/A   Overcast
1:55 AM 50.0 °F - 46.4 °F 87% 30.04 in 6.0 mi SE 10.4 mph - N/A   Overcast
2:15 AM 48.2 °F - 46.4 °F 93% 30.04 in 6.0 mi ESE 12.7 mph - N/A   Mostly Cloudy
2:35 AM 48.2 °F - 46.4 °F 93% 30.04 in 4.0 mi East 15.0 mph 19.6 mph N/A   Overcast
2:55 AM 48.2 °F - 44.6 °F 87% 30.04 in 10.0 mi East 17.3 mph 25.3 mph N/A   Overcast
3:15 AM 46.4 °F 39.8 °F 44.6 °F 93% 30.05 in 7.0 mi East 16.1 mph 23.0 mph N/A   Mostly Cloudy
3:35 AM 46.4 °F 41.1 °F 44.6 °F 93% 30.07 in 8.0 mi East 11.5 mph 19.6 mph N/A   Mostly Cloudy
3:55 AM 46.4 °F 41.5 °F 42.8 °F 87% 30.08 in 5.0 mi East 10.4 mph 23.0 mph N/A   Overcast
4:15 AM 46.4 °F 41.9 °F 42.8 °F 87% 30.09 in 3.0 mi ENE 9.2 mph 20.7 mph N/A   Overcast
4:35 AM 46.4 °F 41.1 °F 42.8 °F 87% 30.10 in 5.0 mi North 11.5 mph 16.1 mph N/A   Overcast
4:55 AM 46.4 °F 42.9 °F 42.8 °F 87% 30.11 in 4.0 mi NE 6.9 mph 16.1 mph N/A   Overcast
5:15 AM 46.4 °F 39.8 °F 42.8 °F 87% 30.11 in 10.0 mi NE 16.1 mph 23.0 mph N/A   Overcast
5:35 AM 46.4 °F 40.7 °F 41.0 °F 81% 30.11 in 10.0 mi ENE 12.7 mph 19.6 mph N/A   Overcast
5:55 AM 46.4 °F 41.9 °F 42.8 °F 87% 30.13 in 10.0 mi NNE 9.2 mph - N/A   Overcast
6:35 AM 46.4 °F 41.9 °F 41.0 °F 81% 30.15 in 4.0 mi NNE 9.2 mph - N/A Rain Light Rain
6:55 AM 46.4 °F 43.5 °F 42.8 °F 87% 30.15 in 5.0 mi NNE 5.8 mph - N/A Rain Light Rain
7:15 AM 46.4 °F 45.2 °F 42.8 °F 87% 30.16 in 9.0 mi North 3.5 mph - N/A Rain Light Rain
7:35 AM 46.4 °F - 42.8 °F 87% 30.15 in 9.0 mi Calm Calm - N/A   Overcast
7:55 AM 46.4 °F - 42.8 °F 87% 30.15 in 9.0 mi Calm Calm - N/A   Overcast
8:15 AM 46.4 °F - 42.8 °F 87% 30.16 in 8.0 mi Calm Calm - N/A   Overcast
8:35 AM 46.4 °F - 44.6 °F 93% 30.17 in 8.0 mi Calm Calm - N/A   Overcast
8:55 AM 46.4 °F - 44.6 °F 93% 30.18 in 9.0 mi Calm Calm - N/A   Overcast
9:15 AM 46.4 °F - 44.6 °F 93% 30.19 in 8.0 mi Calm Calm - N/A   Overcast
9:35 AM 46.4 °F 45.2 °F 44.6 °F 93% 30.20 in 10.0 mi ENE 3.5 mph - N/A   Overcast
9:55 AM 48.2 °F - 42.8 °F 82% 30.20 in 10.0 mi NNE 4.6 mph - N/A   Overcast
10:15 AM 48.2 °F - 42.8 °F 82% 30.21 in 10.0 mi Calm Calm - N/A   Overcast
10:35 AM 48.2 °F - 41.0 °F 76% 30.21 in 10.0 mi North 4.6 mph - N/A   Overcast
10:55 AM 48.2 °F - 42.8 °F 82% 30.20 in 10.0 mi NNE 3.5 mph - N/A   Overcast
11:15 AM 48.2 °F - 41.0 °F 76% 30.19 in 10.0 mi North 5.8 mph - N/A   Overcast
11:35 AM 50.0 °F - 42.8 °F 76% 30.18 in 10.0 mi NNE 8.1 mph - N/A   Overcast
11:55 AM 50.0 °F - 42.8 °F 76% 30.17 in 10.0 mi NNE 4.6 mph - N/A   Overcast
12:15 PM 50.0 °F - 42.8 °F 76% 30.17 in 10.0 mi North 6.9 mph - N/A   Overcast
12:35 PM 50.0 °F - 42.8 °F 76% 30.16 in 8.0 mi North 6.9 mph - N/A   Overcast
12:55 PM 50.0 °F - 42.8 °F 76% 30.17 in 8.0 mi East 8.1 mph - N/A   Overcast
1:15 PM 50.0 °F - 42.8 °F 76% 30.17 in 10.0 mi ENE 3.5 mph - N/A   Overcast
1:35 PM 51.8 °F - 42.8 °F 71% 30.16 in 10.0 mi North 8.1 mph - N/A   Overcast
1:55 PM 50.0 °F - 42.8 °F 76% 30.16 in 10.0 mi North 5.8 mph - N/A   Mostly Cloudy
2:15 PM 51.8 °F - 42.8 °F 71% 30.16 in 10.0 mi NNE 5.8 mph - N/A   Overcast
2:35 PM 51.8 °F - 42.8 °F 71% 30.16 in 10.0 mi NE 6.9 mph - N/A   Mostly Cloudy
2:55 PM 53.6 °F - 42.8 °F 67% 30.16 in 10.0 mi NNE 10.4 mph - N/A   Overcast
3:15 PM 53.6 °F - 41.0 °F 62% 30.17 in 10.0 mi NE 9.2 mph - N/A   Scattered Clouds
3:35 PM 53.6 °F - 41.0 °F 62% 30.17 in 10.0 mi NNE 9.2 mph - N/A   Partly Cloudy
3:55 PM 51.8 °F - 42.8 °F 71% 30.18 in 9.0 mi North 9.2 mph - N/A   Mostly Cloudy
4:15 PM 50.0 °F - 44.6 °F 82% 30.18 in 10.0 mi NNW 9.2 mph - N/A   Overcast
4:35 PM 50.0 °F - 44.6 °F 82% 30.18 in 10.0 mi North 8.1 mph - N/A   Overcast
4:55 PM 50.0 °F - 44.6 °F 82% 30.18 in 10.0 mi North 5.8 mph - N/A   Scattered Clouds
5:15 PM 48.2 °F - 42.8 °F 82% 30.18 in 8.0 mi North 5.8 mph - N/A   Clear
5:35 PM 46.4 °F 44.3 °F 42.8 °F 87% 30.18 in 9.0 mi NE 4.6 mph - N/A   Partly Cloudy
5:55 PM 44.6 °F - 41.0 °F 87% 30.18 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:15 PM 44.6 °F - 41.0 °F 87% 30.18 in 10.0 mi Calm Calm - N/A   Clear
6:35 PM 42.8 °F - 41.0 °F 93% 30.18 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:15 PM 44.6 °F - 42.8 °F 93% 30.19 in 10.0 mi Calm Calm - N/A   Overcast
7:35 PM 44.6 °F - 41.0 °F 87% 30.19 in 10.0 mi Calm Calm - N/A   Overcast
7:55 PM 50.0 °F - 46.4 °F 87% 30.19 in 8.0 mi North 9.2 mph - N/A   Mostly Cloudy
8:15 PM 50.0 °F - 46.4 °F 87% 30.20 in 7.0 mi North 9.2 mph - N/A   Mostly Cloudy
8:35 PM 50.0 °F - 46.4 °F 87% 30.20 in 9.0 mi North 9.2 mph - N/A   Scattered Clouds
8:55 PM 50.0 °F - 46.4 °F 87% 30.20 in 9.0 mi North 8.1 mph - N/A   Scattered Clouds
9:35 PM 50.0 °F - 46.4 °F 87% 30.21 in 7.0 mi North 4.6 mph - N/A   Overcast
9:55 PM 48.2 °F - 46.4 °F 93% 30.20 in 7.0 mi NNE 3.5 mph - N/A   Overcast
10:15 PM 50.0 °F - 46.4 °F 87% 30.20 in 7.0 mi North 10.4 mph - N/A   Overcast
10:35 PM 50.0 °F - 46.4 °F 87% 30.19 in 9.0 mi North 10.4 mph - N/A   Overcast
10:55 PM 50.0 °F - 46.4 °F 87% 30.19 in 8.0 mi North 13.8 mph 18.4 mph N/A   Scattered Clouds
11:15 PM 50.0 °F - 46.4 °F 87% 30.20 in 8.0 mi North 11.5 mph - N/A   Clear
11:35 PM 48.2 °F - 46.4 °F 93% 30.19 in 7.0 mi North 9.2 mph - N/A   Clear
11:55 PM 48.2 °F - 44.6 °F 87% 30.20 in 7.0 mi North 5.8 mph - N/A   Clear