Weather History for Hilo, HI

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Friday, December 24, 2010

  Actual Average Record
Temperature  
Mean Temperature 73 °F 72 °F  
Max Temperature 82 °F 79 °F 87 °F (1980)
Min Temperature 64 °F 65 °F 56 °F (1978)
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 8 7  
Month to date cooling degree days 190 177  
Year to date cooling degree days 3220 3184  
Growing Degree Days 23 (Base 50)    
Moisture  
Dew Point 68 °F    
Average Humidity 81    
Maximum Humidity 93    
Minimum Humidity 69    
Precipitation  
Precipitation 0.00 in 0.35 in 2.69 in (1984)
Month to date precipitation 5.96 9.31  
Year to date precipitation 62.12 124.46  
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 29.93 in    
Wind  
Wind Speed 5 mph (SE)    
Max Wind Speed 16 mph    
Max Gust Speed 21 mph    
Visibility 10 miles    
Events Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 24, 2010 Rise Set
Actual Time 6:51 AM HST 5:48 PM HST
Civil Twilight 6:27 AM HST 6:12 PM HST
Nautical Twilight 6:00 AM HST 6:39 PM HST
Astronomical Twilight 5:33 AM HST 7:06 PM HST
Moon 9:38 PM HST (12/24) 9:42 AM HST (12/24)
Length of Visible Light 11h 44m
Length of Day
10h 56m
Waning Gibbous, 84% of the Moon is Illuminated
Dec 24
Waning Gibbous
Dec 27
Last Quarter
Jan 3
New
Jan 12
First Quarter
Jan 19
Full

Hourly Weather History & Observations

Time (HST) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 69.1 °F - 66.9 °F 93% 29.93 in 10.0 mi South 4.6 mph - N/A   Partly Cloudy
1:53 AM 70.0 °F - 66.0 °F 87% 29.92 in 10.0 mi South 4.6 mph - N/A   Partly Cloudy
2:53 AM 68.0 °F - 66.0 °F 93% 29.92 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:53 AM 66.0 °F - 64.0 °F 93% 29.93 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 66.0 °F - 64.0 °F 93% 29.93 in 10.0 mi Calm Calm - N/A   Partly Cloudy
5:53 AM 64.9 °F - 63.0 °F 93% 29.94 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:53 AM 64.9 °F - 63.0 °F 93% 29.96 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:53 AM 66.9 °F - 64.0 °F 90% 29.96 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
8:53 AM 72.0 °F - 64.9 °F 78% 29.97 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:53 AM 77.0 °F - 69.8 °F 78% 29.97 in 10.0 mi SSE 5.8 mph - N/A   Mostly Cloudy
10:53 AM 79.0 °F - 70.0 °F 74% 29.96 in 10.0 mi East 3.5 mph - N/A   Mostly Cloudy
11:53 AM 80.1 °F 83.6 °F 71.1 °F 74% 29.93 in 10.0 mi ESE 11.5 mph - N/A   Scattered Clouds
12:53 PM 82.0 °F 86.3 °F 71.1 °F 69% 29.90 in 10.0 mi East 12.7 mph - N/A   Scattered Clouds
1:45 PM 80.6 °F 84.6 °F 71.6 °F 74% 29.88 in 10.0 mi East 13.8 mph - N/A   Mostly Cloudy
1:53 PM 79.0 °F - 70.0 °F 74% 29.88 in 10.0 mi ESE 13.8 mph - N/A Thunderstorm Thunderstorm
2:20 PM 78.8 °F - 69.8 °F 74% 29.87 in 10.0 mi ESE 10.4 mph - N/A   Mostly Cloudy
2:53 PM 79.0 °F - 70.0 °F 74% 29.87 in 10.0 mi East 13.8 mph - N/A   Scattered Clouds
3:53 PM 78.1 °F - 69.1 °F 74% 29.88 in 10.0 mi SE 12.7 mph - N/A   Mostly Cloudy
4:53 PM 78.1 °F - 68.0 °F 71% 29.89 in 10.0 mi SE 8.1 mph - N/A   Partly Cloudy
5:53 PM 75.0 °F - 69.1 °F 82% 29.92 in 10.0 mi SE 8.1 mph - N/A   Mostly Cloudy
6:53 PM 73.9 °F - 69.1 °F 85% 29.94 in 10.0 mi SE 8.1 mph - N/A   Clear
7:53 PM 73.0 °F - 70.0 °F 90% 29.95 in 10.0 mi SSE 4.6 mph - N/A   Partly Cloudy
8:53 PM 71.1 °F - 69.1 °F 93% 29.96 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:53 PM 70.0 °F - 68.0 °F 93% 29.96 in 10.0 mi SW 3.5 mph - N/A   Partly Cloudy
10:53 PM 70.0 °F - 66.9 °F 90% 29.95 in 10.0 mi South 3.5 mph - N/A   Clear
11:53 PM 70.0 °F - 66.9 °F 90% 29.95 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds