Weather History for Arcata, CA

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Saturday, September 22, 2012

  Actual Average Record
Temperature  
Mean Temperature 50 °F -  
Max Temperature 55 °F 62 °F 84 °F (2003)
Min Temperature 44 °F 46 °F 39 °F (2001)
Degree Days  
Heating Degree Days 16    
Moisture  
Dew Point 49 °F    
Average Humidity 92    
Maximum Humidity 100    
Minimum Humidity 83    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.05 in    
Wind  
Wind Speed 3 mph (ENE)    
Max Wind Speed 9 mph    
Max Gust Speed -    
Visibility 9 miles    
Events      
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

Sep. 22, 2012 Rise Set
Actual Time 7:04 AM PDT 7:12 PM PDT
Civil Twilight 6:37 AM PDT 7:39 PM PDT
Nautical Twilight 6:04 AM PDT 8:12 PM PDT
Astronomical Twilight 5:32 AM PDT 8:44 PM PDT
Moon 2:30 PM PDT (9/22) No Moon Set
Length of Visible Light 13h 02m
Length of Day
12h 08m
Waxing Crescent, 50% of the Moon is Illuminated
Sep 22
Waxing Crescent
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New

Hourly Weather History & Observations

Time (PDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 44.1 °F - 43.0 °F 96% 30.10 in 6.0 mi Calm Calm - N/A   Mostly Cloudy
1:53 AM 46.9 °F - 46.0 °F 97% 30.09 in 9.0 mi East 3.5 mph - N/A   Overcast
2:53 AM 48.0 °F - 46.9 °F 96% 30.09 in 10.0 mi Calm Calm - N/A   Overcast
3:53 AM 50.0 °F - 48.0 °F 93% 30.07 in 10.0 mi ESE 4.6 mph - N/A   Overcast
4:34 AM 50.0 °F - 48.2 °F 94% 30.04 in 10.0 mi ESE 5.8 mph - N/A   Overcast
4:53 AM 50.0 °F - 48.0 °F 93% 30.06 in 10.0 mi SE 6.9 mph - N/A   Overcast
5:53 AM 48.0 °F - 46.9 °F 96% 30.05 in 10.0 mi Calm Calm - N/A   Overcast
6:53 AM 46.9 °F - 46.0 °F 97% 30.06 in 10.0 mi East 4.6 mph - N/A   Overcast
7:28 AM 46.4 °F 44.3 °F 46.4 °F 100% 30.05 in 10.0 mi NE 4.6 mph - N/A   Overcast
7:53 AM 48.0 °F - 46.9 °F 96% 30.07 in 8.0 mi East 3.5 mph - N/A   Overcast
8:17 AM 48.2 °F - 46.4 °F 93% 30.04 in 1.8 mi ESE 3.5 mph - N/A   Overcast
8:27 AM 48.2 °F - 48.2 °F 100% 30.04 in 3.0 mi Calm Calm - N/A   Overcast
8:36 AM 50.0 °F - 48.2 °F 94% 30.04 in 10.0 mi Calm Calm - N/A   Overcast
8:53 AM 51.1 °F - 48.0 °F 89% 30.06 in 10.0 mi Calm Calm - N/A   Overcast
9:53 AM 51.1 °F - 48.0 °F 89% 30.07 in 10.0 mi NE 4.6 mph - N/A   Overcast
10:53 AM 52.0 °F - 48.9 °F 89% 30.06 in 10.0 mi West 4.6 mph - N/A   Overcast
11:53 AM 53.1 °F - 48.9 °F 86% 30.06 in 10.0 mi NW 6.9 mph - N/A   Overcast
12:53 PM 55.0 °F - 50.0 °F 83% 30.06 in 10.0 mi NW 8.1 mph - N/A   Overcast
1:53 PM 53.1 °F - 50.0 °F 89% 30.05 in 7.0 mi NW 9.2 mph - N/A   Overcast
2:17 PM 51.8 °F - 50.0 °F 94% 30.03 in 1.5 mi NNW 3.5 mph - N/A   Overcast
2:28 PM 53.6 °F - 50.0 °F 88% 30.03 in 3.0 mi Variable 3.5 mph - N/A   Overcast
2:53 PM 54.0 °F - 51.1 °F 90% 30.04 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
3:23 PM 53.6 °F - 50.0 °F 88% 30.04 in 10.0 mi WNW 5.8 mph - N/A   Mostly Cloudy
3:43 PM 55.4 °F - 51.8 °F 88% 30.03 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
3:53 PM 54.0 °F - 51.1 °F 90% 30.04 in 10.0 mi West 3.5 mph - N/A   Mostly Cloudy
4:01 PM 55.4 °F - 51.8 °F 88% 30.02 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:53 PM 55.0 °F - 51.1 °F 86% 30.04 in 10.0 mi NW 3.5 mph - N/A   Clear
5:53 PM 55.9 °F - 51.1 °F 84% 30.02 in 10.0 mi Calm Calm - N/A   Clear
6:53 PM 54.0 °F - 51.1 °F 90% 30.02 in 6.0 mi WSW 4.6 mph - N/A   Clear
7:53 PM 52.0 °F - 50.0 °F 93% 30.04 in 8.0 mi ESE 4.6 mph - N/A   Clear
8:53 PM 51.1 °F - 50.0 °F 96% 30.05 in 9.0 mi Calm Calm - N/A   Clear
9:11 PM 50.0 °F - 48.2 °F 94% 30.03 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:53 PM 51.1 °F - 50.0 °F 96% 30.04 in 10.0 mi ESE 3.5 mph - N/A   Clear
10:53 PM 48.9 °F - 48.0 °F 97% 30.03 in 10.0 mi SE 4.6 mph - N/A   Clear
11:53 PM 50.0 °F - 48.9 °F 96% 30.04 in 10.0 mi Calm Calm - N/A   Clear