Weather History for Hilo, HI

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Tuesday, December 4, 2012

  Actual Average Record
Temperature  
Mean Temperature 76 °F 73 °F  
Max Temperature 85 °F 80 °F 88 °F (1966)
Min Temperature 67 °F 66 °F 59 °F (1954)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 July heating degree days 0 0  
Cooling Degree Days 11 8  
Month to date cooling degree days 40 32  
Year to date cooling degree days 2973 3039  
Growing Degree Days 25 (Base 50)    
Moisture  
Dew Point 67 °F    
Average Humidity 77    
Maximum Humidity 93    
Minimum Humidity 61    
Precipitation  
Precipitation 0.00 in 0.40 in 2.12 in (1968)
Month to date precipitation T 1.64  
Year to date precipitation 78.90 116.79  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Since 1 July snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.01 in    
Wind  
Wind Speed 7 mph (South)    
Max Wind Speed 20 mph    
Max Gust Speed 23 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 04, 2012 Rise Set
Actual Time 6:40 AM HST 5:40 PM HST
Civil Twilight 6:16 AM HST 6:04 PM HST
Nautical Twilight 5:49 AM HST 6:31 PM HST
Astronomical Twilight 5:22 AM HST 6:58 PM HST
Moon 11:07 PM HST (12/4) 11:07 AM HST (12/4)
Length of Visible Light 11h 47m
Length of Day
11h 00m
Waning Gibbous, 67% of the Moon is Illuminated
Dec 4
Waning Gibbous
Dec 6
Last Quarter
Dec 12
New
Dec 19
First Quarter
Dec 28
Full

Hourly Weather History & Observations

Time (HST) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:01 AM 71.6 °F - 68.0 °F 88% 30.00 in 9.0 mi Calm Calm - N/A   Scattered Clouds
12:33 AM 71.6 °F - 66.2 °F 83% 30.00 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:45 AM 69.8 °F - 64.4 °F 83% 30.00 in 10.0 mi South 3.5 mph - N/A   Scattered Clouds
12:53 AM 70.0 °F - 64.9 °F 84% 29.99 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:53 AM 68.0 °F - 64.0 °F 87% 29.99 in 10.0 mi SSW 3.5 mph - N/A   Clear
2:53 AM 68.0 °F - 63.0 °F 84% 29.98 in 10.0 mi SSW 3.5 mph - N/A   Clear
3:53 AM 68.0 °F - 62.1 °F 81% 29.99 in 10.0 mi SW 4.6 mph - N/A   Clear
4:53 AM 68.0 °F - 62.1 °F 81% 29.99 in 10.0 mi SW 4.6 mph - N/A   Clear
5:53 AM 68.0 °F - 63.0 °F 84% 30.01 in 10.0 mi SSW 4.6 mph - N/A   Clear
6:53 AM 68.0 °F - 62.1 °F 81% 30.04 in 9.0 mi SW 4.6 mph - N/A   Clear
7:53 AM 72.0 °F - 64.0 °F 76% 30.04 in 10.0 mi SSW 3.5 mph - N/A   Scattered Clouds
8:53 AM 78.1 °F - 68.0 °F 71% 30.05 in 10.0 mi SE 5.8 mph - N/A   Partly Cloudy
9:53 AM 82.0 °F 84.9 °F 68.0 °F 62% 30.05 in 10.0 mi SSE 10.4 mph - N/A   Partly Cloudy
10:53 AM 82.9 °F 87.5 °F 71.1 °F 67% 30.04 in 10.0 mi ESE 11.5 mph - N/A   Scattered Clouds
11:53 AM 82.9 °F 87.5 °F 71.1 °F 67% 30.01 in 10.0 mi SE 15.0 mph - N/A   Scattered Clouds
12:53 PM 82.9 °F 86.5 °F 69.1 °F 63% 29.98 in 10.0 mi ESE 18.4 mph - N/A   Scattered Clouds
1:53 PM 84.0 °F 88.4 °F 70.0 °F 63% 29.96 in 10.0 mi ESE 15.0 mph 20.7 mph N/A   Scattered Clouds
2:53 PM 82.9 °F 86.5 °F 69.1 °F 63% 29.96 in 10.0 mi SE 11.5 mph 21.9 mph N/A   Scattered Clouds
3:53 PM 80.1 °F 82.7 °F 68.0 °F 67% 29.96 in 10.0 mi ESE 10.4 mph - N/A   Mostly Cloudy
4:53 PM 79.0 °F - 68.0 °F 69% 29.98 in 10.0 mi SE 9.2 mph - N/A   Clear
5:53 PM 75.0 °F - 68.0 °F 79% 30.00 in 10.0 mi SE 6.9 mph - N/A   Clear
6:53 PM 73.9 °F - 69.1 °F 85% 30.03 in 10.0 mi SSE 4.6 mph - N/A   Clear
7:53 PM 73.0 °F - 68.0 °F 84% 30.05 in 10.0 mi Calm Calm - N/A   Clear
8:53 PM 72.0 °F - 66.9 °F 84% 30.06 in 10.0 mi South 3.5 mph - N/A   Clear
9:53 PM 73.0 °F - 66.9 °F 81% 30.06 in 10.0 mi South 4.6 mph - N/A   Partly Cloudy
10:53 PM 72.0 °F - 66.0 °F 81% 30.07 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:53 PM 71.1 °F - 64.9 °F 81% 30.05 in 10.0 mi SSW 5.8 mph - N/A   Clear