Weather History for Hilo, HI

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Wednesday, March 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 72 °F 72 °F  
Max Temperature 81 °F 79 °F 85 °F (2006)
Min Temperature 62 °F 65 °F 57 °F (1971)
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 122 137  
Year to date cooling degree days 494 507  
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 64 °F    
Average Humidity 76    
Maximum Humidity 93    
Minimum Humidity 58    
Precipitation  
Precipitation 0.14 in 0.45 in 3.66 in (1991)
Month to date precipitation 1.82 8.50  
Year to date precipitation 33.32 27.32  
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 30.04 in    
Wind  
Wind Speed 6 mph (South)    
Max Wind Speed 15 mph    
Max Gust Speed 19 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Mar. 20, 2013 Rise Set
Actual Time 6:23 AM HST 6:31 PM HST
Civil Twilight 6:01 AM HST 6:53 PM HST
Nautical Twilight 5:36 AM HST 7:18 PM HST
Astronomical Twilight 5:10 AM HST 7:44 PM HST
Moon 12:56 PM HST (3/20) 1:30 AM HST (3/20)
Length of Visible Light 12h 51m
Length of Day
12h 07m
First Quarter, 61% of the Moon is Illuminated
Mar 20
First Quarter
Mar 26
Full
Apr 2
Last Quarter
Apr 9
New
Apr 18
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
12:08 AM 66.0 °F - 63.0 °F 90% 30.03 in 10.0 mi WSW 4.6 mph - N/A   Scattered Clouds
12:48 AM 64.4 °F - 62.6 °F 94% 30.03 in 10.0 mi Calm Calm - N/A   Scattered Clouds
12:53 AM 64.9 °F - 62.1 °F 90% 30.02 in 10.0 mi SSW 3.5 mph - N/A   Scattered Clouds
1:53 AM 64.9 °F - 60.1 °F 84% 30.00 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
2:53 AM 63.0 °F - 57.0 °F 81% 29.99 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
3:53 AM 63.0 °F - 55.0 °F 75% 29.98 in 10.0 mi SW 9.2 mph - N/A   Clear
4:53 AM 64.0 °F - 55.0 °F 73% 29.99 in 10.0 mi SW 8.1 mph - N/A   Mostly Cloudy
5:53 AM 63.0 °F - 55.9 °F 78% 30.01 in 10.0 mi SW 3.5 mph - N/A   Clear
6:53 AM 64.0 °F - 54.0 °F 70% 30.03 in 10.0 mi WSW 6.9 mph - N/A   Partly Cloudy
7:53 AM 71.1 °F - 59.0 °F 66% 30.05 in 10.0 mi SW 3.5 mph - N/A   Mostly Cloudy
8:53 AM 77.0 °F - 66.9 °F 71% 30.06 in 10.0 mi South 5.8 mph - N/A   Scattered Clouds
9:53 AM 75.0 °F - 68.0 °F 79% 30.07 in 10.0 mi South 4.6 mph - 0.00 in   Mostly Cloudy
10:14 AM 72.0 °F - 68.0 °F 87% 30.07 in 2.5 mi SE 6.9 mph - 0.00 in Rain Heavy Rain
10:17 AM 72.0 °F - 68.0 °F 87% 30.07 in 1.8 mi SE 10.4 mph - 0.03 in Rain Heavy Rain
10:20 AM 72.0 °F - 68.0 °F 87% 30.07 in 8.0 mi SE 8.1 mph - 0.07 in Rain Heavy Rain
10:28 AM 72.0 °F - 68.0 °F 87% 30.07 in 8.0 mi SSE 6.9 mph - 0.11 in Rain Light Rain
10:46 AM 73.0 °F - 68.0 °F 84% 30.07 in 10.0 mi SE 6.9 mph - 0.12 in Rain Light Rain
10:53 AM 73.0 °F - 68.0 °F 84% 30.07 in 10.0 mi ESE 6.9 mph - 0.12 in   Overcast
11:53 AM 73.9 °F - 66.9 °F 79% 30.05 in 10.0 mi SSE 3.5 mph - 0.01 in   Overcast
12:53 PM 77.0 °F - 68.0 °F 74% 30.02 in 10.0 mi Variable 4.6 mph - N/A   Overcast
1:53 PM 75.9 °F - 66.9 °F 74% 30.00 in 10.0 mi SSE 9.2 mph - 0.01 in   Mostly Cloudy
2:53 PM 80.1 °F 82.3 °F 66.9 °F 64% 29.98 in 10.0 mi South 9.2 mph - 0.00 in   Mostly Cloudy
3:53 PM 81.0 °F 83.0 °F 66.0 °F 60% 29.98 in 10.0 mi SSE 5.8 mph - N/A   Mostly Cloudy
4:53 PM 80.1 °F 81.9 °F 64.9 °F 60% 29.99 in 10.0 mi ESE 8.1 mph - N/A   Overcast
5:53 PM 77.0 °F - 66.0 °F 69% 30.01 in 10.0 mi SE 10.4 mph - N/A   Overcast
6:53 PM 73.9 °F - 66.0 °F 76% 30.04 in 10.0 mi North 8.1 mph - N/A   Clear
7:53 PM 73.0 °F - 64.9 °F 76% 30.06 in 10.0 mi North 4.6 mph - N/A   Partly Cloudy
8:53 PM 72.0 °F - 66.0 °F 81% 30.08 in 10.0 mi Calm Calm - N/A   Clear
9:53 PM 69.1 °F - 64.0 °F 84% 30.09 in 10.0 mi WSW 3.5 mph - N/A   Clear
10:53 PM 66.9 °F - 63.0 °F 87% 30.09 in 10.0 mi SSW 3.5 mph - N/A   Clear
11:53 PM 66.9 °F - 63.0 °F 87% 30.08 in 10.0 mi WSW 6.9 mph - N/A   Clear