Weather History for Hilo, HI

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Thursday, December 29, 2011

  Actual Average Record
Temperature  
Mean Temperature 72 °F 72 °F  
Max Temperature 78 °F 79 °F 86 °F (1995)
Min Temperature 65 °F 64 °F 59 °F (1999)
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 7 7  
Month to date cooling degree days 201 212  
Year to date cooling degree days 3273 3219  
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 62 °F    
Average Humidity 74    
Maximum Humidity 93    
Minimum Humidity 54    
Precipitation  
Precipitation T in 0.31 in 3.53 in (1951)
Month to date precipitation 20.21 10.93  
Year to date precipitation 97.61 126.08  
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 30.13 in    
Wind  
Wind Speed 5 mph (SSW)    
Max Wind Speed 14 mph    
Max Gust Speed 17 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 29, 2011 Rise Set
Actual Time 6:53 AM HST 5:50 PM HST
Civil Twilight 6:29 AM HST 6:14 PM HST
Nautical Twilight 6:02 AM HST 6:42 PM HST
Astronomical Twilight 5:35 AM HST 7:09 PM HST
Moon 10:34 AM HST (12/29) 10:51 PM HST (12/29)
Length of Visible Light 11h 45m
Length of Day
10h 57m
Waxing Crescent, 28% of the Moon is Illuminated
Dec 29
Waxing Crescent
Dec 31
First Quarter
Jan 8
Full
Jan 15
Last Quarter
Jan 22
New

Hourly Weather History & Observations

Time (HST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 70.0 °F 64.0 °F 81% 30.19 in 10.0 mi ESE 4.6 mph - N/A   Overcast
1:53 AM 69.1 °F 64.9 °F 87% 30.16 in 10.0 mi SW 4.6 mph - N/A   Overcast
2:53 AM 68.0 °F 64.9 °F 90% 30.14 in 10.0 mi SW 4.6 mph - N/A   Overcast
3:53 AM 68.0 °F 64.0 °F 87% 30.14 in 10.0 mi SW 3.5 mph - N/A   Overcast
4:53 AM 66.9 °F 64.0 °F 90% 30.14 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:53 AM 66.0 °F 63.0 °F 90% 30.15 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:53 AM 66.0 °F 62.1 °F 87% 30.17 in 10.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
7:53 AM 68.0 °F 64.0 °F 87% 30.19 in 10.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
8:53 AM 73.9 °F 62.1 °F 66% 30.19 in 10.0 mi WNW 5.8 mph - N/A   Partly Cloudy
9:53 AM 73.0 °F 61.0 °F 66% 30.20 in 10.0 mi ENE 8.1 mph - N/A   Mostly Cloudy
10:53 AM 75.9 °F 57.9 °F 54% 30.18 in 10.0 mi North 5.8 mph - N/A   Mostly Cloudy
11:53 AM 75.9 °F 60.1 °F 58% 30.16 in 10.0 mi NE 5.8 mph - N/A   Partly Cloudy
12:53 PM 73.0 °F 63.0 °F 71% 30.13 in 9.0 mi East 4.6 mph - 0.00 in Rain Light Rain
1:53 PM 77.0 °F 62.1 °F 60% 30.09 in 10.0 mi East 11.5 mph - 0.00 in   Scattered Clouds
2:53 PM 77.0 °F 60.1 °F 56% 30.07 in 10.0 mi East 11.5 mph - N/A   Scattered Clouds
3:53 PM 73.9 °F 59.0 °F 59% 30.07 in 10.0 mi NE 8.1 mph - N/A   Clear
4:53 PM 73.0 °F 60.1 °F 64% 30.08 in 10.0 mi ENE 6.9 mph - N/A   Overcast
5:53 PM 71.1 °F 60.1 °F 68% 30.09 in 10.0 mi East 4.6 mph - N/A   Overcast
6:53 PM 70.0 °F 60.1 °F 71% 30.10 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:53 PM 66.0 °F 61.0 °F 84% 30.11 in 10.0 mi SW 4.6 mph - N/A   Clear
8:53 PM 66.0 °F 61.0 °F 84% 30.11 in 10.0 mi WSW 5.8 mph - N/A   Partly Cloudy
9:53 PM 66.9 °F 62.1 °F 84% 30.11 in 10.0 mi SW 3.5 mph - N/A   Overcast
10:53 PM 66.9 °F 61.0 °F 81% 30.10 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
11:53 PM 66.0 °F 60.1 °F 81% 30.09 in 10.0 mi WSW 4.6 mph - 0.00 in Rain Light Rain