Weather History for Arcata, CA

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Wednesday, August 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 56 °F -  
Max Temperature 60 °F 62 °F 70 °F (2007)
Min Temperature 51 °F 50 °F 48 °F (2001)
Degree Days  
Heating Degree Days 10    
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 54 °F    
Average Humidity 96    
Maximum Humidity 100    
Minimum Humidity 82    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.93 in    
Wind  
Wind Speed 5 mph (NNW)    
Max Wind Speed 14 mph    
Max Gust Speed -    
Visibility 5 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

Aug. 21, 2013 Rise Set
Actual Time 6:32 AM PDT 8:05 PM PDT
Civil Twilight 6:03 AM PDT 8:34 PM PDT
Nautical Twilight 5:28 AM PDT 9:09 PM PDT
Astronomical Twilight 4:51 AM PDT 9:46 PM PDT
Moon 8:16 PM PDT 7:20 AM PDT
Length of Visible Light 14h 30m
Length of Day
13h 33m
Full, 99% of the Moon is Illuminated
Aug 21
Full
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter
Sep 19
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 53.1 °F 50.0 °F 89% 29.90 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:14 AM 51.8 °F 50.0 °F 94% 29.89 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:22 AM 53.6 °F 50.0 °F 88% 29.89 in 10.0 mi Calm Calm - N/A   Overcast
1:40 AM 53.6 °F 53.6 °F 100% 29.89 in 8.0 mi Calm Calm - N/A   Overcast
1:53 AM 54.0 °F 52.0 °F 93% 29.91 in 9.0 mi North 3.5 mph - N/A   Overcast
2:07 AM 53.6 °F 53.6 °F 100% 29.89 in 1.8 mi NNW 4.6 mph - N/A   Overcast
2:17 AM 53.6 °F 53.6 °F 100% 29.89 in 0.8 mi North 4.6 mph - N/A   Overcast
2:32 AM 53.6 °F 53.6 °F 100% 29.89 in 1.5 mi North 3.5 mph - N/A   Overcast
2:42 AM 53.6 °F 53.6 °F 100% 29.89 in 2.0 mi North 4.6 mph - N/A   Overcast
2:49 AM 53.6 °F 53.6 °F 100% 29.88 in 1.5 mi North 4.6 mph - N/A   Overcast
2:53 AM 54.0 °F 53.1 °F 97% 29.90 in 1.2 mi NNE 5.8 mph - N/A   Overcast
3:12 AM 53.6 °F 53.6 °F 100% 29.88 in 0.5 mi NNE 6.9 mph - N/A Fog Fog
3:53 AM 54.0 °F 54.0 °F 100% 29.90 in 0.5 mi North 5.8 mph - N/A Fog Fog
4:53 AM 54.0 °F 54.0 °F 100% 29.90 in 0.8 mi North 5.8 mph - N/A   Mist
5:53 AM 53.1 °F 53.1 °F 100% 29.91 in 0.5 mi North 8.1 mph - N/A Fog Fog
6:01 AM 53.6 °F 53.6 °F 100% 29.89 in 0.2 mi NNW 9.2 mph - N/A Fog Fog
6:35 AM 53.6 °F 53.6 °F 100% 29.90 in 0.5 mi NNW 10.4 mph - N/A Fog Fog
6:53 AM 53.1 °F 53.1 °F 100% 29.93 in 0.5 mi NNW 8.1 mph - N/A Fog Fog
7:14 AM 53.6 °F 53.6 °F 100% 29.91 in 1.5 mi North 5.8 mph - N/A   Overcast
7:29 AM 53.6 °F 53.6 °F 100% 29.91 in 3.0 mi NNW 9.2 mph - N/A   Overcast
7:48 AM 53.6 °F 53.6 °F 100% 29.92 in 1.8 mi NNW 8.1 mph - N/A   Overcast
7:53 AM 54.0 °F 54.0 °F 100% 29.94 in 1.2 mi North 9.2 mph - N/A   Overcast
8:15 AM 53.6 °F 53.6 °F 100% 29.93 in 0.2 mi NNW 11.5 mph - N/A Fog Fog
8:24 AM 53.6 °F 53.6 °F 100% 29.93 in 0.2 mi NNW 8.1 mph - N/A Fog Fog
8:36 AM 53.6 °F 53.6 °F 100% 29.94 in 0.2 mi North 11.5 mph - N/A Fog Fog
8:43 AM 53.6 °F 53.6 °F 100% 29.94 in 1.2 mi North 10.4 mph - N/A   Overcast
8:53 AM 54.0 °F 54.0 °F 100% 29.96 in 2.0 mi North 8.1 mph - N/A   Overcast
9:03 AM 53.6 °F 53.6 °F 100% 29.94 in 1.0 mi North 8.1 mph - N/A   Overcast
9:17 AM 53.6 °F 53.6 °F 100% 29.94 in 0.8 mi North 6.9 mph - N/A   Overcast
9:27 AM 53.6 °F 53.6 °F 100% 29.94 in 1.8 mi North 9.2 mph - N/A   Overcast
9:48 AM 55.4 °F 55.4 °F 100% 29.94 in 3.0 mi North 8.1 mph - N/A   Overcast
9:53 AM 55.0 °F 55.0 °F 100% 29.95 in 8.0 mi North 8.1 mph - N/A   Overcast
10:11 AM 55.4 °F 55.4 °F 100% 29.93 in 2.5 mi NNW 8.1 mph - N/A   Overcast
10:18 AM 55.4 °F 55.4 °F 100% 29.94 in 7.0 mi NW 8.1 mph - N/A   Overcast
10:53 AM 57.0 °F 55.0 °F 93% 29.96 in 10.0 mi NNW 9.2 mph - N/A   Overcast
11:45 AM 60.8 °F 55.4 °F 82% 29.94 in 10.0 mi NNW 13.8 mph - N/A   Overcast
11:53 AM 59.0 °F 54.0 °F 83% 29.96 in 10.0 mi NNW 12.7 mph - N/A   Overcast
12:53 PM 59.0 °F 54.0 °F 83% 29.97 in 10.0 mi NNW 12.7 mph - N/A   Overcast
1:53 PM 59.0 °F 55.0 °F 87% 29.97 in 8.0 mi NW 11.5 mph - N/A   Overcast
2:15 PM 60.8 °F 55.4 °F 82% 29.95 in 10.0 mi NNW 11.5 mph - N/A   Overcast
2:53 PM 57.9 °F 54.0 °F 87% 29.98 in 10.0 mi NNW 6.9 mph - N/A   Overcast
3:53 PM 55.9 °F 54.0 °F 93% 29.96 in 10.0 mi NNW 3.5 mph - N/A   Overcast
4:53 PM 57.0 °F 55.0 °F 93% 29.95 in 10.0 mi Calm Calm - N/A   Overcast
5:53 PM 57.0 °F 54.0 °F 89% 29.95 in 10.0 mi Calm Calm - N/A   Overcast
6:53 PM 57.0 °F 54.0 °F 89% 29.94 in 10.0 mi Calm Calm - N/A   Overcast
7:53 PM 55.9 °F 54.0 °F 93% 29.95 in 10.0 mi Calm Calm - N/A   Overcast
8:00 PM 55.4 °F 53.6 °F 94% 29.93 in 10.0 mi Calm Calm - N/A   Overcast
8:53 PM 55.9 °F 54.0 °F 93% 29.95 in 10.0 mi SW 3.5 mph - N/A   Overcast
9:06 PM 55.4 °F 53.6 °F 94% 29.94 in 10.0 mi Calm Calm - N/A   Overcast
9:53 PM 55.9 °F 55.0 °F 97% 29.97 in 6.0 mi Calm Calm - N/A   Overcast
10:14 PM 55.4 °F 55.4 °F 100% 29.96 in 6.0 mi Calm Calm - N/A   Overcast
10:53 PM 55.9 °F 55.0 °F 97% 29.97 in 5.0 mi Calm Calm - N/A   Overcast
11:53 PM 55.9 °F 55.0 °F 97% 29.97 in 7.0 mi Calm Calm - N/A   Overcast