Weather History for Hilo, HI

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Tuesday, December 11, 2012

  Actual Average Record
Temperature  
Mean Temperature 73 °F 72 °F  
Max Temperature 79 °F 80 °F 88 °F (1973)
Min Temperature 67 °F 65 °F 58 °F (1989)
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 8 7  
Month to date cooling degree days 103 86  
Year to date cooling degree days 3036 3093  
Growing Degree Days 21 (Base 50)    
Moisture  
Dew Point 63 °F    
Average Humidity 75    
Maximum Humidity 93    
Minimum Humidity 56    
Precipitation  
Precipitation T in 0.41 in 3.86 in (1954)
Month to date precipitation 0.59 4.44  
Year to date precipitation 79.49 119.59  
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 30.09 in    
Wind  
Wind Speed 6 mph (SW)    
Max Wind Speed 13 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

Dec. 11, 2012 Rise Set
Actual Time 6:44 AM HST 5:42 PM HST
Civil Twilight 6:21 AM HST 6:06 PM HST
Nautical Twilight 5:53 AM HST 6:34 PM HST
Astronomical Twilight 5:26 AM HST 7:01 PM HST
Moon 4:58 AM HST (12/11) 4:27 PM HST (12/11)
Length of Visible Light 11h 45m
Length of Day
10h 57m
Waning Crescent, 3% of the Moon is Illuminated
Dec 11
Waning Crescent
Dec 12
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Hourly Weather History & Observations

Time (HST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 66.9 °F 64.0 °F 90% 30.07 in 10.0 mi WSW 5.8 mph - N/A   Mostly Cloudy
1:53 AM 66.9 °F 63.0 °F 87% 30.05 in 10.0 mi WSW 4.6 mph - 0.03 in   Mostly Cloudy
2:53 AM 66.0 °F 63.0 °F 90% 30.03 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:53 AM 64.9 °F 62.1 °F 90% 30.03 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
4:53 AM 64.9 °F 59.0 °F 81% 30.04 in 10.0 mi SW 6.9 mph - N/A   Overcast
5:53 AM 64.9 °F 59.0 °F 81% 30.06 in 10.0 mi WSW 8.1 mph - 0.00 in Rain Light Rain
6:10 AM 66.2 °F 60.8 °F 83% 30.08 in 3.0 mi Variable 3.5 mph 16.1 mph 0.00 in Rain Heavy Rain
6:24 AM 64.4 °F 60.8 °F 88% 30.08 in 9.0 mi SSW 5.8 mph - 0.08 in   Overcast
6:53 AM 64.9 °F 61.0 °F 87% 30.09 in 10.0 mi WSW 8.1 mph - 0.08 in   Overcast
7:53 AM 68.0 °F 61.0 °F 78% 30.11 in 10.0 mi WSW 10.4 mph - N/A   Mostly Cloudy
8:53 AM 72.0 °F 62.1 °F 71% 30.12 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
9:53 AM 77.0 °F 60.8 °F 57% 30.12 in 10.0 mi WSW 5.8 mph - N/A   Mostly Cloudy
10:53 AM 78.1 °F 62.1 °F 58% 30.11 in - ENE 4.6 mph - N/A   Unknown
2:53 PM 73.9 °F 64.0 °F 71% 30.05 in 10.0 mi Calm Calm - 0.00 in   Mostly Cloudy
3:05 PM 75.9 °F 64.9 °F 69% 30.05 in 10.0 mi North 3.5 mph - N/A   Scattered Clouds
3:28 PM 75.9 °F 64.9 °F 69% 30.06 in 10.0 mi NE 5.8 mph - N/A   Mostly Cloudy
3:53 PM 77.0 °F 64.9 °F 66% 30.06 in 10.0 mi NE 8.1 mph - N/A   Mostly Cloudy
4:53 PM 73.0 °F 62.1 °F 68% 30.06 in 10.0 mi East 11.5 mph - 0.00 in   Mostly Cloudy
5:53 PM 73.0 °F 63.0 °F 71% 30.08 in 10.0 mi East 9.2 mph - N/A   Overcast
6:53 PM 73.0 °F 63.0 °F 71% 30.10 in 10.0 mi ENE 6.9 mph - N/A   Mostly Cloudy
7:53 PM 71.1 °F 64.0 °F 78% 30.12 in 10.0 mi East 5.8 mph - N/A   Mostly Cloudy
8:53 PM 69.1 °F 64.9 °F 87% 30.12 in 10.0 mi WSW 6.9 mph - N/A   Mostly Cloudy
9:08 PM 70.0 °F 64.9 °F 84% 30.13 in 10.0 mi Variable 4.6 mph - N/A   Overcast
9:15 PM 70.0 °F 64.9 °F 84% 30.13 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:53 PM 70.0 °F 64.9 °F 84% 30.13 in 10.0 mi WSW 4.6 mph - N/A   Overcast
10:05 PM 70.0 °F 64.0 °F 81% 30.13 in 10.0 mi WSW 6.9 mph - N/A   Overcast
10:13 PM 70.0 °F 64.0 °F 81% 30.13 in 10.0 mi SW 4.6 mph - N/A   Overcast
10:48 PM 69.8 °F 64.4 °F 83% 30.13 in 10.0 mi SW 4.6 mph - N/A   Scattered Clouds
10:53 PM 69.1 °F 64.0 °F 84% 30.12 in 10.0 mi SW 4.6 mph - N/A   Scattered Clouds
11:53 PM 68.0 °F 64.0 °F 87% 30.12 in 10.0 mi WSW 6.9 mph - N/A   Scattered Clouds