Weather History for Hilo, HI

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Saturday, September 22, 2012

  Actual Average Record
Temperature  
Mean Temperature 77 °F 76 °F  
Max Temperature 84 °F 83 °F 89 °F (1995)
Min Temperature 69 °F 69 °F 65 °F (1953)
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 227 242  
Year to date cooling degree days 2262 2314  
Growing Degree Days 26 (Base 50)    
Moisture  
Dew Point 68 °F    
Average Humidity 76    
Maximum Humidity 90    
Minimum Humidity 62    
Precipitation  
Precipitation 0.03 in 0.35 in 2.99 in (1991)
Month to date precipitation 2.99 7.17  
Year to date precipitation 68.58 87.11  
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 6 mph (WNW)    
Max Wind Speed 12 mph    
Max Gust Speed 15 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 22, 2012 Rise Set
Actual Time 6:09 AM HST 6:15 PM HST
Civil Twilight 5:47 AM HST 6:37 PM HST
Nautical Twilight 5:21 AM HST 7:03 PM HST
Astronomical Twilight 4:56 AM HST 7:28 PM HST
Moon 12:51 PM HST (9/22) No Moon Set
Length of Visible Light 12h 50m
Length of Day
12h 06m
Waxing Crescent, 51% of the Moon is Illuminated
Sep 22
Waxing Crescent
Sep 29
Full
Oct 7
Last Quarter
Oct 15
New
Oct 21
First 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 69.1 °F - 66.0 °F 90% 30.04 in 10.0 mi Calm Calm - 0.00 in   Overcast
1:53 AM 70.0 °F - 66.9 °F 90% 30.02 in 10.0 mi WSW 4.6 mph - 0.03 in   Overcast
2:31 AM 69.8 °F - 66.2 °F 88% 30.02 in 10.0 mi WSW 4.6 mph - 0.00 in   Overcast
2:53 AM 70.0 °F - 66.0 °F 87% 30.01 in 10.0 mi WSW 6.9 mph - 0.00 in   Overcast
3:53 AM 69.1 °F - 66.0 °F 90% 30.01 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
4:53 AM 69.1 °F - 66.0 °F 90% 30.01 in 10.0 mi SW 3.5 mph - N/A   Mostly Cloudy
5:53 AM 70.0 °F - 66.0 °F 87% 30.02 in 10.0 mi SW 3.5 mph - N/A   Mostly Cloudy
6:53 AM 71.1 °F - 66.9 °F 87% 30.03 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
7:53 AM 75.9 °F - 68.0 °F 76% 30.04 in 10.0 mi West 3.5 mph - N/A   Mostly Cloudy
8:53 AM 79.0 °F - 66.0 °F 64% 30.04 in 10.0 mi North 5.8 mph - N/A   Scattered Clouds
9:53 AM 81.0 °F 83.3 °F 66.9 °F 62% 30.04 in 10.0 mi NNE 6.9 mph - N/A   Scattered Clouds
10:53 AM 81.0 °F 83.3 °F 66.9 °F 62% 30.03 in 10.0 mi North 3.5 mph - N/A   Partly Cloudy
11:53 AM 82.0 °F 84.9 °F 68.0 °F 62% 30.02 in 10.0 mi North 9.2 mph - N/A   Scattered Clouds
12:53 PM 82.9 °F 85.8 °F 68.0 °F 60% 30.00 in 10.0 mi Variable 6.9 mph - N/A   Scattered Clouds
1:53 PM 82.0 °F 84.9 °F 68.0 °F 62% 29.98 in 10.0 mi North 9.2 mph - N/A   Partly Cloudy
2:53 PM 82.9 °F 85.8 °F 68.0 °F 60% 29.96 in 10.0 mi NNE 10.4 mph - N/A   Scattered Clouds
3:53 PM 82.9 °F 85.8 °F 68.0 °F 60% 29.97 in 10.0 mi North 8.1 mph - N/A   Scattered Clouds
4:53 PM 80.1 °F 82.9 °F 69.1 °F 69% 29.98 in 10.0 mi ENE 9.2 mph - N/A   Mostly Cloudy
5:02 PM 78.8 °F - 69.8 °F 74% 29.98 in 8.0 mi NE 6.9 mph - N/A   Overcast
5:30 PM 78.8 °F - 69.8 °F 74% 29.99 in 10.0 mi NE 6.9 mph - N/A   Overcast
5:53 PM 78.1 °F - 69.1 °F 74% 29.99 in 10.0 mi NNE 6.9 mph - N/A   Overcast
6:53 PM 78.1 °F - 69.1 °F 74% 30.00 in 10.0 mi North 5.8 mph - N/A   Mostly Cloudy
7:53 PM 77.0 °F - 70.0 °F 79% 30.02 in 10.0 mi North 6.9 mph - N/A   Overcast
8:53 PM 73.9 °F - 69.1 °F 85% 30.03 in 10.0 mi WSW 4.6 mph - 0.00 in   Overcast
9:01 PM 73.4 °F - 69.8 °F 88% 30.04 in 10.0 mi WSW 5.8 mph - N/A   Overcast
9:53 PM 73.0 °F - 69.1 °F 87% 30.04 in 10.0 mi SW 4.6 mph - N/A   Overcast
10:35 PM 73.4 °F - 69.8 °F 88% 30.03 in 10.0 mi SW 3.5 mph - 0.00 in   Mostly Cloudy
10:53 PM 73.0 °F - 69.1 °F 87% 30.03 in 10.0 mi WSW 4.6 mph - 0.00 in Rain Light Rain
11:25 PM 73.4 °F - 69.8 °F 88% 30.02 in 10.0 mi WSW 4.6 mph - 0.00 in   Overcast
11:53 PM 72.0 °F - 68.0 °F 87% 30.01 in 10.0 mi WSW 3.5 mph - 0.00 in   Mostly Cloudy