Weather History for Hilo, HI

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Tuesday, May 8, 2012

  Actual Average Record
Temperature  
Mean Temperature 73 °F 73 °F  
Max Temperature 80 °F 80 °F 87 °F (1966)
Min Temperature 66 °F 66 °F 59 °F (1992)
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 8  
Month to date cooling degree days 54 64  
Year to date cooling degree days 889 861  
Growing Degree Days 23 (Base 50)    
Moisture  
Dew Point 65 °F    
Average Humidity 78    
Maximum Humidity 93    
Minimum Humidity 62    
Precipitation  
Precipitation 0.00 in 0.29 in 4.00 in (1985)
Month to date precipitation 1.93 2.53  
Year to date precipitation 39.75 46.32  
Sea Level Pressure  
Sea Level Pressure 30.13 in    
Wind  
Wind Speed 6 mph (West)    
Max Wind Speed 12 mph    
Max Gust Speed 17 mph    
Visibility 8 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

May. 08, 2012 Rise Set
Actual Time 5:47 AM HST 6:46 PM HST
Civil Twilight 5:23 AM HST 7:09 PM HST
Nautical Twilight 4:56 AM HST 7:37 PM HST
Astronomical Twilight 4:28 AM HST 8:05 PM HST
Moon 9:57 PM HST (5/8) 8:18 AM HST (5/8)
Length of Visible Light 13h 45m
Length of Day
12h 59m
Waning Gibbous, 89% of the Moon is Illuminated
May 8
Waning Gibbous
May 12
Last Quarter
May 20
New
May 28
First Quarter
Jun 4
Full

Hourly Weather History & Observations

Time (HST) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:01 AM 68.0 °F - 64.4 °F 88% 30.15 in 2.5 mi WSW 4.6 mph - 0.05 in Rain Rain
12:09 AM 68.0 °F - 66.2 °F 94% 30.15 in 5.0 mi WSW 5.8 mph - 0.07 in Rain Light Rain
12:53 AM 68.0 °F - 66.0 °F 93% 30.14 in 5.0 mi WSW 5.8 mph - 0.11 in Rain Light Rain
1:53 AM 68.0 °F - 66.0 °F 93% 30.12 in 8.0 mi West 5.8 mph - 0.08 in Rain Light Rain
2:08 AM 68.0 °F - 66.2 °F 94% 30.12 in 10.0 mi West 3.5 mph - 0.02 in Rain Light Rain
2:15 AM 68.0 °F - 66.2 °F 94% 30.12 in 10.0 mi WSW 3.5 mph - 0.02 in Rain Light Rain
2:53 AM 68.0 °F - 66.0 °F 93% 30.11 in 10.0 mi WSW 3.5 mph - 0.02 in   Overcast
3:09 AM 68.0 °F - 66.2 °F 94% 30.11 in 10.0 mi SW 3.5 mph - N/A   Overcast
3:53 AM 68.0 °F - 64.9 °F 90% 30.11 in 10.0 mi West 3.5 mph - N/A   Overcast
4:53 AM 69.1 °F - 66.0 °F 90% 30.11 in 10.0 mi Calm Calm - N/A   Overcast
5:53 AM 68.0 °F - 66.0 °F 93% 30.12 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:53 AM 72.0 °F - 66.0 °F 81% 30.14 in 10.0 mi ENE 4.6 mph - 0.01 in Rain Light Rain
7:00 AM 71.6 °F - 66.2 °F 83% 30.14 in 10.0 mi ENE 5.8 mph - 0.00 in   Overcast
7:53 AM 75.0 °F - 64.0 °F 69% 30.15 in 10.0 mi East 8.1 mph - 0.01 in   Overcast
8:53 AM 75.9 °F - 64.0 °F 67% 30.17 in 10.0 mi ENE 9.2 mph - N/A   Scattered Clouds
9:53 AM 77.0 °F - 64.0 °F 64% 30.16 in 10.0 mi ENE 11.5 mph - N/A   Scattered Clouds
10:53 AM 79.0 °F - 64.0 °F 60% 30.16 in 10.0 mi ENE 11.5 mph 17.3 mph N/A   Mostly Cloudy
11:53 AM 80.1 °F 81.7 °F 64.0 °F 58% 30.15 in 10.0 mi NE 15.0 mph - N/A   Mostly Cloudy
12:53 PM 77.0 °F - 66.0 °F 69% 30.14 in 10.0 mi East 11.5 mph 18.4 mph N/A   Mostly Cloudy
1:53 PM 77.0 °F - 64.9 °F 66% 30.13 in 10.0 mi East 15.0 mph - N/A   Mostly Cloudy
2:53 PM 75.9 °F - 64.0 °F 67% 30.12 in 10.0 mi ENE 5.8 mph - N/A   Mostly Cloudy
3:53 PM 72.0 °F - 63.0 °F 73% 30.12 in 7.0 mi East 6.9 mph 17.3 mph 0.00 in Rain Light Rain
4:38 PM 71.6 °F - 66.2 °F 83% 30.12 in 10.0 mi WNW 6.9 mph - N/A   Overcast
4:53 PM 70.0 °F - 66.0 °F 87% 30.11 in 10.0 mi WNW 5.8 mph - N/A Rain Light Rain
5:17 PM 69.8 °F - 66.2 °F 88% 30.11 in 10.0 mi SW 4.6 mph - N/A   Overcast
5:53 PM 71.1 °F - 66.0 °F 84% 30.11 in 10.0 mi WSW 4.6 mph - N/A   Overcast
6:53 PM 70.0 °F - 64.0 °F 81% 30.12 in 10.0 mi WSW 6.9 mph - N/A   Overcast
7:05 PM 69.8 °F - 64.4 °F 83% 30.13 in 6.0 mi SW 4.6 mph - N/A Rain Rain
7:37 PM 69.8 °F - 64.4 °F 83% 30.14 in 10.0 mi Calm Calm - 0.01 in   Overcast
7:53 PM 69.1 °F - 64.0 °F 84% 30.14 in 10.0 mi SSW 3.5 mph - 0.01 in Rain Light Rain
8:53 PM 68.0 °F - 64.0 °F 87% 30.14 in 10.0 mi WSW 4.6 mph - 0.00 in   Overcast
9:01 PM 68.0 °F - 64.4 °F 88% 30.14 in 10.0 mi WSW 4.6 mph - N/A   Overcast
9:14 PM 68.0 °F - 64.4 °F 88% 30.15 in 10.0 mi WSW 4.6 mph - N/A   Overcast
9:21 PM 68.0 °F - 64.4 °F 88% 30.14 in 10.0 mi West 3.5 mph - N/A   Overcast
9:34 PM 68.0 °F - 64.4 °F 88% 30.15 in 2.5 mi NW 6.9 mph - 0.03 in Rain Heavy Rain
9:37 PM 68.0 °F - 64.4 °F 88% 30.15 in 3.0 mi NW 6.9 mph - 0.07 in Rain Light Rain
9:53 PM 68.0 °F - 64.9 °F 90% 30.14 in 10.0 mi SW 4.6 mph - 0.07 in Rain Light Rain
10:43 PM 66.2 °F - 62.6 °F 88% 30.15 in 1.8 mi WNW 3.5 mph - 0.01 in Rain Heavy Rain
10:50 PM 66.2 °F - 62.6 °F 88% 30.15 in 1.2 mi West 3.5 mph - 0.12 in Rain Heavy Rain
10:53 PM 66.0 °F - 63.0 °F 90% 30.14 in 1.5 mi West 4.6 mph - 0.16 in Rain Rain
11:02 PM 66.2 °F - 64.4 °F 94% 30.14 in 2.5 mi West 8.1 mph - 0.04 in Rain Rain
11:16 PM 66.2 °F - 64.4 °F 94% 30.13 in 8.0 mi West 9.2 mph - 0.08 in Rain Light Rain
11:53 PM 66.0 °F - 64.0 °F 93% 30.13 in 5.0 mi West 9.2 mph - 0.11 in Rain Light Rain