Weather History for Hilo, HI

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Friday, September 27, 2013

  Actual Average Record
Temperature  
Mean Temperature 79 °F 76 °F  
Max Temperature 86 °F 83 °F 89 °F (1974)
Min Temperature 71 °F 69 °F 65 °F (1971)
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 14 11  
Month to date cooling degree days 348 297  
Year to date cooling degree days 2561 2369  
Growing Degree Days 26 (Base 50)    
Moisture  
Dew Point 65 °F    
Average Humidity 65    
Maximum Humidity 79    
Minimum Humidity 51    
Precipitation  
Precipitation 0.00 in 0.35 in 5.80 in (1960)
Month to date precipitation 2.31 8.93  
Year to date precipitation 67.19 88.87  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Since 1 July snowfall 0.0  
Since 1 September snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.04 in    
Wind  
Wind Speed 8 mph (SSW)    
Max Wind Speed 15 mph    
Max Gust Speed 18 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 27, 2013 Rise Set
Actual Time 6:10 AM HST 6:11 PM HST
Civil Twilight 5:48 AM HST 6:33 PM HST
Nautical Twilight 5:22 AM HST 6:58 PM HST
Astronomical Twilight 4:57 AM HST 7:24 PM HST
Moon No Moon Rise 1:16 PM HST (9/27)
Length of Visible Light 12h 45m
Length of Day
12h 01m
Last Quarter, 43% of the Moon is Illuminated
Sep 27
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
Full
Oct 26
Last Quarter

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 72.0 °F - 64.0 °F 76% 30.01 in 10.0 mi SW 8.1 mph - N/A   Overcast
1:53 AM 71.1 °F - 62.1 °F 73% 30.00 in 10.0 mi SW 8.1 mph - N/A   Overcast
2:53 AM 72.0 °F - 61.0 °F 68% 29.99 in 10.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
3:53 AM 72.0 °F - 60.1 °F 66% 29.99 in 10.0 mi South 5.8 mph - N/A   Overcast
4:53 AM 72.0 °F - 63.0 °F 73% 30.00 in 10.0 mi SW 9.2 mph - N/A   Overcast
5:53 AM 73.0 °F - 62.1 °F 68% 30.02 in 10.0 mi WSW 9.2 mph - N/A   Overcast
6:53 AM 73.0 °F - 62.1 °F 68% 30.04 in 10.0 mi WSW 8.1 mph - N/A   Overcast
7:53 AM 75.0 °F - 64.0 °F 69% 30.06 in 10.0 mi WSW 5.8 mph - N/A   Overcast
8:53 AM 80.1 °F 81.7 °F 64.0 °F 58% 30.08 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:53 AM 82.9 °F 84.6 °F 64.9 °F 54% 30.08 in 10.0 mi SE 4.6 mph - N/A   Scattered Clouds
10:53 AM 84.0 °F 86.3 °F 66.0 °F 55% 30.06 in 10.0 mi ESE 10.4 mph - N/A   Mostly Cloudy
11:53 AM 84.0 °F 85.8 °F 64.9 °F 53% 30.04 in 10.0 mi East 12.7 mph - N/A   Mostly Cloudy
12:53 PM 84.0 °F 86.5 °F 66.9 °F 56% 30.03 in 10.0 mi East 9.2 mph - N/A   Mostly Cloudy
1:53 PM 84.0 °F 86.3 °F 66.0 °F 55% 30.02 in 10.0 mi East 11.5 mph - N/A   Scattered Clouds
2:53 PM 82.9 °F 85.8 °F 68.0 °F 60% 30.01 in 10.0 mi East 10.4 mph - N/A   Mostly Cloudy
3:53 PM 81.0 °F 83.8 °F 68.0 °F 65% 30.01 in 10.0 mi ENE 6.9 mph - N/A   Mostly Cloudy
4:53 PM 80.1 °F 82.1 °F 66.0 °F 62% 30.03 in 10.0 mi NE 6.9 mph - N/A   Scattered Clouds
5:53 PM 77.0 °F - 64.9 °F 66% 30.04 in 10.0 mi East 11.5 mph - N/A   Overcast
6:36 PM 77.0 °F - 68.0 °F 74% 30.05 in 10.0 mi South 4.6 mph - N/A   Overcast
6:50 PM 75.2 °F - 68.0 °F 78% 30.06 in 10.0 mi SSW 6.9 mph - N/A   Overcast
6:53 PM 75.9 °F - 68.0 °F 76% 30.06 in 10.0 mi SSW 6.9 mph - N/A   Overcast
7:53 PM 75.0 °F - 66.9 °F 76% 30.08 in 10.0 mi West 5.8 mph - N/A   Clear
8:53 PM 73.9 °F - 68.0 °F 82% 30.09 in 10.0 mi WSW 5.8 mph - 0.00 in   Scattered Clouds
9:53 PM 73.0 °F - 64.0 °F 73% 30.10 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
10:53 PM 72.0 °F - 63.0 °F 73% 30.10 in 10.0 mi WSW 6.9 mph - N/A   Clear
11:53 PM 71.1 °F - 62.1 °F 73% 30.09 in 10.0 mi WSW 8.1 mph - N/A   Clear