Weather History for Arcata, CA

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Tuesday, July 17, 2012

  Actual Average Record
Temperature  
Mean Temperature 56 °F -  
Max Temperature 59 °F 61 °F 71 °F (2004)
Min Temperature 52 °F 49 °F 46 °F (2003)
Degree Days  
Heating Degree Days 10    
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 54 °F    
Average Humidity 97    
Maximum Humidity 100    
Minimum Humidity 87    
Precipitation  
Precipitation 0.61 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.93 in    
Wind  
Wind Speed 2 mph (West)    
Max Wind Speed 10 mph    
Max Gust Speed -    
Visibility 6 miles    
Events Fog , Rain , Thunderstorm    
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

Jul. 17, 2012 Rise Set
Actual Time 5:59 AM PDT 8:45 PM PDT
Civil Twilight 5:27 AM PDT 9:17 PM PDT
Nautical Twilight 4:46 AM PDT 9:58 PM PDT
Astronomical Twilight 3:59 AM PDT 10:44 PM PDT
Moon 4:41 AM PDT (7/17) 7:38 PM PDT (7/17)
Length of Visible Light 15h 50m
Length of Day
14h 46m
Waning Crescent, 2% of the Moon is Illuminated
Jul 17
Waning Crescent
Jul 18
New
Jul 26
First Quarter
Aug 1
Full
Aug 9
Last Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:20 AM 53.6 °F 53.6 °F 100% 29.88 in 3.0 mi Calm Calm - N/A   Overcast
12:38 AM 53.6 °F 53.6 °F 100% 29.87 in 5.0 mi Calm Calm - N/A   Overcast
12:53 AM 54.0 °F 53.1 °F 97% 29.89 in 5.0 mi Calm Calm - N/A   Overcast
1:46 AM 53.6 °F 53.6 °F 100% 29.87 in 2.5 mi Calm Calm - N/A   Overcast
1:53 AM 53.1 °F 52.0 °F 96% 29.88 in 3.0 mi Calm Calm - N/A   Overcast
2:09 AM 53.6 °F 51.8 °F 94% 29.87 in 2.0 mi Calm Calm - 0.01 in Rain Light Rain
2:39 AM 53.6 °F 53.6 °F 100% 29.86 in 4.0 mi Calm Calm - 0.01 in   Overcast
2:53 AM 53.1 °F 53.1 °F 100% 29.88 in 4.0 mi Calm Calm - 0.01 in   Overcast
3:30 AM 53.6 °F 53.6 °F 100% 29.86 in 4.0 mi Calm Calm - 0.01 in Rain Light Rain
3:50 AM 53.6 °F 53.6 °F 100% 29.86 in 5.0 mi Calm Calm - 0.01 in Thunderstorm Overcast
3:53 AM 53.1 °F 53.1 °F 100% 29.88 in 5.0 mi Calm Calm - 0.01 in Thunderstorm Overcast
3:59 AM 53.6 °F 53.6 °F 100% 29.86 in 5.0 mi South 3.5 mph - N/A   Overcast
4:07 AM 53.6 °F 53.6 °F 100% 29.86 in 3.0 mi ESE 3.5 mph - 0.05 in Rain , Thunderstorm Heavy Rain
4:14 AM 53.6 °F 53.6 °F 100% 29.86 in 1.8 mi Calm Calm - 0.11 in Rain , Thunderstorm Heavy Rain
4:26 AM 53.6 °F 53.6 °F 100% 29.86 in 2.0 mi Calm Calm - 0.18 in Rain Heavy Rain
4:33 AM 53.6 °F 53.6 °F 100% 29.86 in 2.5 mi Calm Calm - 0.20 in Rain , Thunderstorm Rain
4:42 AM 53.6 °F 53.6 °F 100% 29.86 in 3.0 mi Calm Calm - 0.24 in Rain Rain
4:53 AM 53.1 °F 53.1 °F 100% 29.88 in 3.0 mi Calm Calm - 0.26 in Rain Light Rain
5:24 AM 53.6 °F 53.6 °F 100% 29.86 in 2.5 mi West 4.6 mph - 0.10 in Rain Rain
5:34 AM 53.6 °F 53.6 °F 100% 29.87 in 1.2 mi West 6.9 mph - 0.13 in Rain Rain
5:36 AM 53.6 °F 53.6 °F 100% 29.87 in 0.8 mi West 6.9 mph - 0.13 in Rain Rain
5:44 AM 53.6 °F 53.6 °F 100% 29.88 in 0.5 mi West 5.8 mph - 0.14 in Fog , Rain Rain
5:53 AM 53.1 °F 53.1 °F 100% 29.90 in 1.2 mi WSW 4.6 mph - 0.15 in Rain Light Rain
5:56 AM 53.6 °F 53.6 °F 100% 29.88 in 3.0 mi Calm Calm - 0.00 in Rain Light Rain
6:18 AM 53.6 °F 53.6 °F 100% 29.89 in 8.0 mi Calm Calm - 0.00 in   Overcast
6:24 AM 53.6 °F 53.6 °F 100% 29.89 in 6.0 mi West 3.5 mph - 0.00 in Rain Light Rain
6:28 AM 53.6 °F 53.6 °F 100% 29.89 in 1.5 mi WNW 3.5 mph - 0.01 in Rain Light Rain
6:32 AM 53.6 °F 53.6 °F 100% 29.89 in 0.8 mi West 3.5 mph - 0.01 in Rain Rain
6:53 AM 53.1 °F 53.1 °F 100% 29.90 in 1.5 mi Calm Calm - 0.04 in Rain Light Rain
7:00 AM 53.6 °F 53.6 °F 100% 29.88 in 2.5 mi Calm Calm - 0.01 in Rain Light Rain
7:07 AM 53.6 °F 53.6 °F 100% 29.89 in 3.0 mi Calm Calm - 0.02 in Rain Light Rain
7:21 AM 53.6 °F 53.6 °F 100% 29.89 in 2.0 mi Calm Calm - 0.04 in Rain Rain
7:33 AM 53.6 °F 53.6 °F 100% 29.89 in 6.0 mi Calm Calm - 0.09 in Rain Light Rain
7:53 AM 53.1 °F 53.1 °F 100% 29.91 in 10.0 mi Calm Calm - 0.10 in Rain Light Rain
8:04 AM 53.6 °F 53.6 °F 100% 29.90 in 10.0 mi South 3.5 mph - 0.00 in   Overcast
8:13 AM 53.6 °F 53.6 °F 100% 29.90 in 10.0 mi Calm Calm - 0.00 in   Overcast
8:53 AM 54.0 °F 53.1 °F 97% 29.93 in 2.5 mi WNW 6.9 mph - 0.00 in   Overcast
9:04 AM 53.6 °F 53.6 °F 100% 29.92 in 3.0 mi WNW 4.6 mph - N/A   Overcast
9:09 AM 53.6 °F 53.6 °F 100% 29.93 in 1.8 mi WNW 5.8 mph - N/A   Overcast
9:24 AM 53.6 °F 51.8 °F 94% 29.93 in 3.0 mi West 5.8 mph - N/A   Overcast
9:53 AM 52.0 °F 52.0 °F 100% 29.96 in 2.5 mi West 3.5 mph - N/A   Overcast
10:23 AM 53.6 °F 53.6 °F 100% 29.95 in 1.2 mi Calm Calm - 0.00 in Rain Light Rain
10:53 AM 53.1 °F 53.1 °F 100% 29.98 in 1.0 mi Calm Calm - 0.02 in Rain Light Rain
11:21 AM 55.4 °F 55.4 °F 100% 29.97 in 3.0 mi South 3.5 mph - 0.01 in   Overcast
11:33 AM 55.4 °F 55.4 °F 100% 29.97 in 10.0 mi SW 5.8 mph - 0.01 in   Overcast
11:53 AM 55.9 °F 55.9 °F 100% 29.99 in 10.0 mi North - - 0.01 in   Overcast
12:34 PM 57.2 °F 53.6 °F 88% 29.98 in 10.0 mi WSW 10.4 mph - N/A   Overcast
12:42 PM 55.4 °F 53.6 °F 94% 29.98 in 10.0 mi WSW 8.1 mph - N/A   Overcast
12:53 PM 57.0 °F 55.0 °F 93% 30.00 in 10.0 mi SW 6.9 mph - N/A   Overcast
1:53 PM 55.9 °F 53.1 °F 90% 30.00 in 10.0 mi West 6.9 mph - 0.01 in   Overcast
2:37 PM 57.2 °F 53.6 °F 88% 29.99 in 10.0 mi NW 5.8 mph - 0.00 in   Overcast
2:45 PM 57.2 °F 53.6 °F 88% 29.99 in 10.0 mi WNW 5.8 mph - N/A   Overcast
2:53 PM 57.0 °F 54.0 °F 89% 30.01 in 10.0 mi NW 5.8 mph - 0.00 in   Overcast
3:07 PM 57.2 °F 53.6 °F 88% 29.99 in 10.0 mi Variable 4.6 mph - N/A   Overcast
3:40 PM 59.0 °F 55.4 °F 88% 30.00 in 10.0 mi Variable 6.9 mph - N/A   Overcast
3:53 PM 59.0 °F 55.0 °F 87% 30.01 in 10.0 mi Variable 6.9 mph - N/A   Overcast
4:32 PM 57.2 °F 55.4 °F 94% 30.00 in 10.0 mi NNW 9.2 mph - N/A   Overcast
4:53 PM 55.9 °F 54.0 °F 93% 30.02 in 10.0 mi NW 8.1 mph - N/A   Overcast
5:53 PM 55.9 °F 54.0 °F 93% 30.03 in 10.0 mi North 5.8 mph - N/A   Overcast
6:02 PM 55.4 °F 53.6 °F 94% 30.01 in 10.0 mi North 6.9 mph - N/A   Overcast
6:39 PM 55.4 °F 53.6 °F 94% 30.01 in 10.0 mi NNE 3.5 mph - N/A   Overcast
6:53 PM 55.9 °F 54.0 °F 93% 30.03 in 10.0 mi Calm Calm - N/A   Overcast
7:53 PM 57.0 °F 53.1 °F 87% 30.02 in 10.0 mi North - - N/A   Overcast
8:53 PM 55.0 °F 52.0 °F 89% 30.04 in 10.0 mi Calm Calm - N/A   Overcast
9:04 PM 55.4 °F 53.6 °F 94% 30.02 in 10.0 mi Calm Calm - N/A   Overcast
9:53 PM 55.0 °F 53.1 °F 93% 30.05 in 10.0 mi North 4.6 mph - N/A   Overcast
10:53 PM 55.0 °F 53.1 °F 93% 30.04 in 10.0 mi Calm Calm - N/A   Overcast
11:53 PM 53.6 °F 53.6 °F 100% 30.02 in 10.0 mi Calm Calm - N/A   Overcast