Weather History for Hilo, HI

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Monday, April 22, 2013

  Actual Average Record
Temperature  
Mean Temperature 75 °F 72 °F  
Max Temperature 86 °F 79 °F 86 °F (2013)
Min Temperature 63 °F 66 °F 60 °F (1966)
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 10 7  
Month to date cooling degree days 184 154  
Year to date cooling degree days 758 735  
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 66 °F    
Average Humidity 74    
Maximum Humidity 93    
Minimum Humidity 55    
Precipitation  
Precipitation T in 0.36 in 2.68 in (1974)
Month to date precipitation 2.11 8.85  
Year to date precipitation 37.75 41.10  
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 30.03 in    
Wind  
Wind Speed 9 mph (SSE)    
Max Wind Speed 24 mph    
Max Gust Speed 28 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Apr. 22, 2013 Rise Set
Actual Time 5:56 AM HST 6:40 PM HST
Civil Twilight 5:34 AM HST 7:03 PM HST
Nautical Twilight 5:07 AM HST 7:29 PM HST
Astronomical Twilight 4:40 AM HST 7:56 PM HST
Moon 4:01 PM HST (4/22) 3:32 AM HST (4/22)
Length of Visible Light 13h 28m
Length of Day
12h 43m
Waxing Gibbous, 89% of the Moon is Illuminated
Apr 22
Waxing Gibbous
Apr 25
Full
May 2
Last Quarter
May 9
New
May 17
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 68.0 °F - 64.0 °F 87% 30.04 in 10.0 mi SW 5.8 mph - N/A   Clear
1:53 AM 68.0 °F - 64.9 °F 90% 30.01 in 10.0 mi SSW 5.8 mph - N/A   Partly Cloudy
2:53 AM 66.9 °F - 64.9 °F 93% 29.99 in 10.0 mi SW 4.6 mph - N/A   Partly Cloudy
3:53 AM 64.9 °F - 62.1 °F 90% 29.99 in 10.0 mi SW 3.5 mph - N/A   Partly Cloudy
4:53 AM 64.9 °F - 60.1 °F 84% 30.01 in 10.0 mi SW 4.6 mph - N/A   Clear
5:53 AM 64.0 °F - 60.1 °F 87% 30.02 in 10.0 mi WSW 4.6 mph - N/A   Scattered Clouds
7:53 AM 71.1 °F - 63.0 °F 75% 30.06 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:53 AM 75.9 °F - 66.9 °F 74% 30.06 in 10.0 mi South 4.6 mph - N/A   Partly Cloudy
9:34 AM 80.1 °F 82.1 °F 66.0 °F 62% 30.07 in 10.0 mi SE 8.1 mph - 0.00 in   Mostly Cloudy
9:53 AM 79.0 °F - 66.0 °F 64% 30.06 in 10.0 mi ESE 10.4 mph - 0.00 in   Mostly Cloudy
10:53 AM 82.9 °F 85.4 °F 66.9 °F 58% 30.05 in 10.0 mi ESE 15.0 mph 19.6 mph N/A   Mostly Cloudy
11:53 AM 84.0 °F 86.3 °F 66.0 °F 55% 30.02 in 10.0 mi SE 17.3 mph - N/A   Scattered Clouds
12:53 PM 84.0 °F 87.0 °F 68.0 °F 58% 30.00 in 10.0 mi ESE 18.4 mph 25.3 mph N/A   Mostly Cloudy
1:53 PM 82.9 °F 85.8 °F 68.0 °F 60% 29.97 in 10.0 mi ESE 21.9 mph 28.8 mph N/A   Clear
2:53 PM 81.0 °F 83.3 °F 66.9 °F 62% 29.96 in 10.0 mi ESE 19.6 mph 26.5 mph N/A   Clear
3:53 PM 80.1 °F 82.3 °F 66.9 °F 64% 29.96 in 10.0 mi ESE 18.4 mph - N/A   Mostly Cloudy
4:53 PM 79.0 °F - 66.0 °F 64% 29.96 in 10.0 mi ESE 13.8 mph - N/A   Scattered Clouds
5:53 PM 77.0 °F - 66.9 °F 71% 29.98 in 10.0 mi ESE 10.4 mph - N/A   Clear
6:53 PM 75.0 °F - 66.0 °F 73% 30.01 in 10.0 mi ESE 6.9 mph - N/A   Scattered Clouds
7:53 PM 73.0 °F - 66.9 °F 81% 30.02 in 10.0 mi ESE 6.9 mph - N/A   Clear
8:43 PM 73.9 °F - 66.9 °F 79% 30.05 in 10.0 mi SSE 5.8 mph - N/A   Overcast
8:53 PM 73.9 °F - 66.9 °F 79% 30.04 in 10.0 mi SSE 4.6 mph - N/A   Overcast
9:06 PM 73.9 °F - 66.9 °F 79% 30.05 in 10.0 mi SSE 4.6 mph - N/A   Overcast
9:53 PM 73.9 °F - 66.9 °F 79% 30.06 in 10.0 mi South 3.5 mph - N/A   Overcast
10:18 PM 73.0 °F - 66.9 °F 81% 30.07 in 10.0 mi South 3.5 mph - N/A   Overcast
10:44 PM 73.0 °F - 66.9 °F 81% 30.07 in 10.0 mi SSW 3.5 mph - N/A   Mostly Cloudy
10:53 PM 73.0 °F - 66.9 °F 81% 30.07 in 10.0 mi South 4.6 mph - N/A   Mostly Cloudy
11:05 PM 72.0 °F - 66.9 °F 84% 30.07 in 10.0 mi South 4.6 mph - N/A   Overcast
11:53 PM 71.1 °F - 66.0 °F 84% 30.05 in 10.0 mi SW 3.5 mph - N/A   Mostly Cloudy