Weather History for Hilo, HI

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Monday, September 2, 2013

  Actual Average Record
Temperature  
Mean Temperature 77 °F 76 °F  
Max Temperature 85 °F 83 °F 89 °F (1987)
Min Temperature 68 °F 69 °F 64 °F (1951)
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 12 11  
Month to date cooling degree days 22 22  
Year to date cooling degree days 2235 2094  
Growing Degree Days 25 (Base 50)    
Moisture  
Dew Point 64 °F    
Average Humidity 65    
Maximum Humidity 78    
Minimum Humidity 51    
Precipitation  
Precipitation T in 0.30 in 3.37 in (1992)
Month to date precipitation 0.03 0.60  
Year to date precipitation 64.72 80.54  
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 30.01 in    
Wind  
Wind Speed 8 mph (SSE)    
Max Wind Speed 17 mph    
Max Gust Speed 21 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Astronomy

Sep. 02, 2013 Rise Set
Actual Time 6:05 AM HST 6:34 PM HST
Civil Twilight 5:42 AM HST 6:56 PM HST
Nautical Twilight 5:16 AM HST 7:22 PM HST
Astronomical Twilight 4:50 AM HST 7:48 PM HST
Moon 3:44 AM HST (9/2) 4:45 PM HST (9/2)
Length of Visible Light 13h 13m
Length of Day
12h 28m
Waning Crescent, 7% of the Moon is Illuminated
Sep 2
Waning Crescent
Sep 5
New
Sep 12
First Quarter
Sep 19
Full
Sep 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 70.0 °F - 55.9 °F 61% 30.01 in 10.0 mi WSW 6.9 mph - N/A   Mostly Cloudy
1:53 AM 71.1 °F - 55.9 °F 59% 30.01 in 10.0 mi SW 4.6 mph - 0.00 in   Overcast
2:53 AM 71.1 °F - 57.0 °F 61% 29.99 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
3:53 AM 70.0 °F - 61.0 °F 73% 29.99 in 10.0 mi WSW 6.9 mph - 0.00 in   Mostly Cloudy
4:53 AM 69.1 °F - 62.1 °F 78% 30.00 in 10.0 mi WSW 8.1 mph - N/A   Scattered Clouds
5:53 AM 69.1 °F - 62.1 °F 78% 30.01 in 10.0 mi WSW 8.1 mph - N/A   Scattered Clouds
6:53 AM 71.1 °F - 62.1 °F 73% 30.02 in 10.0 mi WSW 3.5 mph - N/A   Partly Cloudy
7:53 AM 78.1 °F - 64.0 °F 62% 30.02 in 10.0 mi West 8.1 mph - N/A   Partly Cloudy
8:53 AM 80.1 °F 81.7 °F 64.0 °F 58% 30.04 in 10.0 mi NE 4.6 mph - N/A   Mostly Cloudy
9:53 AM 81.0 °F 82.2 °F 63.0 °F 54% 30.04 in 10.0 mi ENE 6.9 mph - N/A   Mostly Cloudy
10:53 AM 82.0 °F 83.1 °F 63.0 °F 52% 30.04 in 10.0 mi ENE 8.1 mph - N/A   Mostly Cloudy
11:53 AM 78.1 °F - 68.0 °F 71% 30.03 in 10.0 mi East 12.7 mph - 0.00 in Rain Light Rain
12:53 PM 80.1 °F 83.6 °F 71.1 °F 74% 30.00 in 10.0 mi ENE 11.5 mph - 0.00 in Rain Light Rain
1:00 PM 79.0 °F - 69.1 °F 72% 30.00 in 10.0 mi East 12.7 mph - 0.00 in   Mostly Cloudy
1:53 PM 82.0 °F 84.1 °F 66.0 °F 58% 29.99 in 10.0 mi East 12.7 mph - 0.00 in   Mostly Cloudy
2:53 PM 82.9 °F 85.0 °F 66.0 °F 56% 29.97 in 10.0 mi East 9.2 mph - N/A   Mostly Cloudy
3:53 PM 81.0 °F 83.8 °F 68.0 °F 65% 29.96 in 10.0 mi East 9.2 mph - N/A   Mostly Cloudy
4:53 PM 82.0 °F 84.9 °F 68.0 °F 62% 29.96 in 10.0 mi ENE 6.9 mph - N/A   Mostly Cloudy
5:53 PM 78.1 °F - 66.9 °F 68% 29.98 in 10.0 mi ENE 5.8 mph - N/A   Mostly Cloudy
6:53 PM 75.0 °F - 66.9 °F 76% 30.00 in 10.0 mi East 3.5 mph - N/A   Mostly Cloudy
8:53 PM 77.0 °F - 70.0 °F 79% 30.02 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
9:53 PM 73.0 °F - 69.1 °F 87% 30.04 in 10.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
10:53 PM 73.9 °F - 68.0 °F 82% 30.04 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
11:53 PM 72.0 °F - 63.0 °F 73% 30.02 in 10.0 mi WSW 6.9 mph - N/A   Scattered Clouds