Weather History for Eureka, CA

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Tuesday, December 31, 1985

  Actual Average Record
Temperature  
Mean Temperature 52 °F 48 °F  
Max Temperature 53 °F 55 °F 70 °F (1886)
Min Temperature 50 °F 41 °F 28 °F (1918)
Degree Days  
Heating Degree Days 14 17  
Month to date heating degree days 526  
Since 1 July heating degree days 1955  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 48 °F    
Average Humidity 87    
Maximum Humidity 90    
Minimum Humidity 84    
Precipitation  
Precipitation 0.00 in 0.24 in 1.92 in (1996)
Month to date precipitation 8.12  
Year to date precipitation 40.33  
Since 1 July precipitation 17.05  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2001)
Month to date snowfall T  
Since 1 July snowfall T  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 30.19 in    
Wind  
Wind Speed 3 mph (East)    
Max Wind Speed 6 mph    
Max Gust Speed -    
Visibility 3 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Dec. 31, 1985 Rise Set
Actual Time 7:40 AM PST 4:58 PM PST
Civil Twilight 7:10 AM PST 5:29 PM PST
Nautical Twilight 6:35 AM PST 6:04 PM PST
Astronomical Twilight 6:02 AM PST 6:37 PM PST
Moon 9:36 PM PST (12/31) 10:52 AM PST (12/31)
Length of Visible Light 10h 19m
Length of Day
9h 17m
Waning Gibbous, 80% of the Moon is Illuminated
Dec 31
Waning Gibbous
Jan 3
Last Quarter
Jan 10
New
Jan 17
First Quarter
Jan 25
Full

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
4:00 AM 50.5 °F 47.5 °F 89% 30.21 in 4.0 mi East 3.5 mph - N/A   Overcast
10:00 AM 52.7 °F 48.6 °F 86% 30.24 in 4.0 mi Calm Calm - N/A   Overcast
4:00 PM 53.1 °F 48.2 °F 84% 30.17 in 3.0 mi NE 5.8 mph - N/A   Overcast
10:00 PM 52.5 °F 49.6 °F 90% 30.13 in 1.0 mi SSE 3.5 mph - N/A   Overcast