Weather History for Arcata, CA

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Sunday, May 10, 2009

  Actual Average Record
Temperature  
Mean Temperature 50 °F -  
Max Temperature 54 °F 57 °F 66 °F (2000)
Min Temperature 46 °F 42 °F 34 °F (2002)
Degree Days  
Heating Degree Days 15    
Moisture  
Dew Point 46 °F    
Average Humidity 86    
Maximum Humidity 93    
Minimum Humidity 80    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.13 in    
Wind  
Wind Speed 5 mph (WNW)    
Max Wind Speed 13 mph    
Max Gust Speed -    
Visibility 10 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

May. 10, 2009 Rise Set
Actual Time 6:03 AM PDT 8:22 PM PDT
Civil Twilight 5:32 AM PDT 8:53 PM PDT
Nautical Twilight 4:54 AM PDT 9:31 PM PDT
Astronomical Twilight 4:12 AM PDT 10:14 PM PDT
Moon 10:31 PM PDT (5/10) 6:37 AM PDT (5/10)
Length of Visible Light 15h 21m
Length of Day
14h 19m
Full, 97% of the Moon is Illuminated
May 10
Full
May 17
Last Quarter
May 24
New
May 30
First Quarter
Jun 7
Full

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 48.9 °F 46.0 °F 90% 30.16 in 8.0 mi NNW 5.8 mph - N/A   Overcast
1:53 AM 48.9 °F 46.0 °F 90% 30.16 in 10.0 mi NW 3.5 mph - N/A   Overcast
2:53 AM 50.0 °F 46.0 °F 86% 30.15 in 10.0 mi Calm Calm - N/A   Overcast
3:53 AM 48.9 °F 46.0 °F 90% 30.14 in 9.0 mi Calm Calm - N/A   Overcast
5:53 AM 48.9 °F 46.0 °F 90% 30.12 in 10.0 mi SE 4.6 mph - N/A   Overcast
6:53 AM 48.9 °F 46.0 °F 90% 30.12 in 10.0 mi SE 4.6 mph - N/A   Overcast
7:53 AM 48.9 °F 46.0 °F 90% 30.12 in 10.0 mi ESE 5.8 mph - N/A   Overcast
8:53 AM 50.0 °F 46.0 °F 86% 30.15 in 8.0 mi WSW 3.5 mph - N/A   Overcast
9:53 AM 51.1 °F 46.9 °F 86% 30.14 in 9.0 mi WNW 6.9 mph - N/A   Overcast
10:29 AM 51.8 °F 46.4 °F 82% 30.13 in 10.0 mi WNW 5.8 mph - N/A   Overcast
10:53 AM 52.0 °F 46.9 °F 83% 30.15 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
11:32 AM 51.8 °F 46.4 °F 82% 30.13 in 10.0 mi WNW 4.6 mph - N/A   Overcast
11:53 AM 53.1 °F 48.0 °F 83% 30.15 in 10.0 mi WNW 6.9 mph - N/A   Scattered Clouds
12:53 PM 54.0 °F 48.0 °F 80% 30.15 in 10.0 mi NW 10.4 mph - N/A   Partly Cloudy
1:32 PM 53.6 °F 48.2 °F 82% 30.13 in 10.0 mi NW 12.7 mph - N/A   Mostly Cloudy
1:53 PM 53.1 °F 48.0 °F 83% 30.15 in 10.0 mi NW 9.2 mph - N/A   Mostly Cloudy
2:53 PM 53.1 °F 48.0 °F 83% 30.16 in 10.0 mi NW 10.4 mph - N/A   Overcast
3:53 PM 51.1 °F 46.9 °F 86% 30.14 in 10.0 mi Variable 4.6 mph - N/A   Overcast
4:53 PM 51.1 °F 46.9 °F 86% 30.14 in 10.0 mi NW 9.2 mph - N/A   Overcast
5:35 PM 51.8 °F 46.4 °F 82% 30.11 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
5:53 PM 52.0 °F 46.9 °F 83% 30.13 in 10.0 mi WNW 6.9 mph - N/A   Partly Cloudy
6:09 PM 51.8 °F 46.4 °F 82% 30.12 in 10.0 mi WNW 8.1 mph - N/A   Mostly Cloudy
6:53 PM 51.1 °F 46.9 °F 86% 30.14 in 10.0 mi NW 9.2 mph - N/A   Overcast
7:21 PM 50.0 °F 46.4 °F 87% 30.11 in 10.0 mi NW 6.9 mph - N/A   Scattered Clouds
7:53 PM 50.0 °F 46.0 °F 86% 30.14 in 10.0 mi NW 6.9 mph - N/A   Mostly Cloudy
8:28 PM 48.2 °F 46.4 °F 93% 30.11 in 10.0 mi WNW 3.5 mph - N/A   Overcast
8:53 PM 48.9 °F 46.0 °F 90% 30.13 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:53 PM 48.0 °F 45.0 °F 89% 30.13 in 10.0 mi ESE 3.5 mph - N/A   Clear
10:53 PM 46.9 °F 45.0 °F 93% 30.12 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:53 PM 48.0 °F 45.0 °F 89% 30.12 in 10.0 mi WSW 3.5 mph - N/A   Overcast