Weather History for Hilo, HI

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Tuesday, August 13, 2013

  Actual Average Record
Temperature  
Mean Temperature 76 °F 77 °F  
Max Temperature 80 °F 83 °F 88 °F (1971)
Min Temperature 71 °F 70 °F 65 °F (1980)
Cooling Degree Days 11 11  
Month to date cooling degree days 104 143  
Year to date cooling degree days 1959 1860  
Since 1 June cooling degree days 806 792  
Growing Degree Days 25 (Base 50)    
Moisture  
Dew Point 68 °F    
Average Humidity 73    
Maximum Humidity 87    
Minimum Humidity 58    
Precipitation  
Precipitation 0.10 in 0.32 in 1.66 in (1969)
Month to date precipitation 2.46 4.38  
Year to date precipitation 58.30 74.47  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Since 1 June 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 5 mph (SSW)    
Max Wind Speed 8 mph    
Max Gust Speed -    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Aug. 13, 2013 Rise Set
Actual Time 6:00 AM HST 6:49 PM HST
Civil Twilight 5:37 AM HST 7:12 PM HST
Nautical Twilight 5:10 AM HST 7:39 PM HST
Astronomical Twilight 4:42 AM HST 8:06 PM HST
Moon 12:03 PM HST (8/13) 11:38 PM HST (8/13)
Length of Visible Light 13h 35m
Length of Day
12h 49m
Waxing Crescent, 44% of the Moon is Illuminated
Aug 13
Waxing Crescent
Aug 14
First Quarter
Aug 20
Full
Aug 27
Last Quarter
Sep 5
New

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 75.9 °F - 66.9 °F 74% 30.06 in 10.0 mi NE 4.6 mph - N/A   Mostly Cloudy
1:53 AM 75.0 °F - 66.9 °F 76% 30.04 in 10.0 mi Calm Calm - N/A   Scattered Clouds
2:53 AM 73.9 °F - 66.9 °F 79% 30.02 in 10.0 mi West 3.5 mph - N/A   Scattered Clouds
3:53 AM 73.9 °F - 66.9 °F 79% 30.01 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:53 AM 72.0 °F - 64.9 °F 78% 29.99 in 10.0 mi SW 5.8 mph - N/A   Mostly Cloudy
5:53 AM 72.0 °F - 64.9 °F 78% 29.98 in 10.0 mi WSW 6.9 mph - N/A   Mostly Cloudy
6:53 AM 71.1 °F - 64.0 °F 78% 30.00 in 10.0 mi SW 4.6 mph - 0.01 in   Mostly Cloudy
7:53 AM 71.1 °F - 64.9 °F 81% 30.02 in 10.0 mi SW 5.8 mph - 0.10 in   Mostly Cloudy
9:14 AM 77.0 °F - 68.0 °F 74% 30.04 in 10.0 mi SSW 3.5 mph - N/A   Mostly Cloudy
9:53 AM 73.9 °F - 69.1 °F 85% 30.04 in 10.0 mi East 8.1 mph - 0.07 in   Overcast
10:53 AM 79.0 °F - 66.9 °F 66% 30.03 in 10.0 mi East 6.9 mph - N/A   Overcast
11:53 AM 80.1 °F 81.9 °F 64.9 °F 60% 30.03 in 10.0 mi NNE 4.6 mph - N/A   Overcast
12:53 PM 80.1 °F 82.1 °F 66.0 °F 62% 30.01 in 10.0 mi ESE 8.1 mph - N/A   Mostly Cloudy
1:53 PM 80.1 °F 82.7 °F 68.0 °F 67% 29.99 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
2:16 PM - - - N/A% - - North - - N/A Rain Heavy Rain
2:27 PM 73.0 °F - 66.9 °F 81% 30.00 in 7.0 mi Calm Calm - N/A   Mostly Cloudy
2:35 PM 73.9 °F - 69.1 °F 85% 29.99 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:53 PM 73.9 °F - 68.0 °F 82% 29.98 in 10.0 mi WNW 4.6 mph - 0.43 in   Mostly Cloudy
3:53 PM 79.0 °F - 68.0 °F 69% 29.97 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
4:53 PM 79.0 °F - 66.9 °F 66% 29.92 in 10.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
5:53 PM 79.0 °F - 70.0 °F 74% 29.97 in 10.0 mi North 3.5 mph - N/A   Mostly Cloudy
6:53 PM 79.0 °F - 70.0 °F 74% 29.99 in 10.0 mi ENE 4.6 mph - N/A   Mostly Cloudy
7:53 PM 77.0 °F - 70.0 °F 79% 30.00 in 10.0 mi NNE 3.5 mph - N/A   Mostly Cloudy
8:53 PM 77.0 °F - 70.0 °F 79% 30.03 in 10.0 mi ENE 3.5 mph - N/A   Mostly Cloudy
9:53 PM 75.0 °F - 70.0 °F 84% 30.03 in 10.0 mi ENE 3.5 mph - N/A   Mostly Cloudy
10:53 PM 75.0 °F - 70.0 °F 84% 30.04 in 10.0 mi South 3.5 mph - N/A   Scattered Clouds
11:53 PM 75.0 °F - 68.0 °F 79% 30.04 in 10.0 mi Calm Calm - N/A   Scattered Clouds