Weather History for Hilo, HI

Change the Weather History Date:

Sunday, August 12, 2012

  Actual Average Record
Temperature  
Mean Temperature 77 °F 77 °F  
Max Temperature 84 °F 83 °F 87 °F (2004)
Min Temperature 70 °F 70 °F 64 °F (1962)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 0 0  
Since 1 July heating degree days 0 0  
Cooling Degree Days 12 11  
Month to date cooling degree days 135 132  
Year to date cooling degree days 1827 1849  
Since 1 June cooling degree days 727 781  
Growing Degree Days 26 (Base 50)    
Moisture  
Dew Point 69 °F    
Average Humidity 79    
Maximum Humidity 97    
Minimum Humidity 61    
Precipitation  
Precipitation 0.07 in 0.32 in 4.10 in (1994)
Month to date precipitation 1.50 4.06  
Year to date precipitation 60.30 74.15  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Since 1 June snowfall 0.0  
Since 1 July snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.02 in    
Wind  
Wind Speed 5 mph (ENE)    
Max Wind Speed 15 mph    
Max Gust Speed 20 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Aug. 12, 2012 Rise Set
Actual Time 5:59 AM HST 6:50 PM HST
Civil Twilight 5:36 AM HST 7:12 PM HST
Nautical Twilight 5:09 AM HST 7:39 PM HST
Astronomical Twilight 4:42 AM HST 8:07 PM HST
Moon 1:37 AM HST (8/12) 3:08 PM HST (8/12)
Length of Visible Light 13h 36m
Length of Day
12h 50m
Waning Crescent, 22% of the Moon is Illuminated
Aug 12
Waning Crescent
Aug 17
New
Aug 24
First Quarter
Aug 31
Full
Sep 8
Last Quarter

Hourly Weather History & Observations

Time (HST) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 71.6 °F - 69.8 °F 94% 30.02 in 10.0 mi Calm Calm - 0.03 in   Overcast
12:53 AM 72.0 °F - 69.1 °F 91% 30.01 in 10.0 mi Calm Calm - 0.03 in   Mostly Cloudy
1:53 AM 71.1 °F - 68.0 °F 90% 30.00 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:53 AM 71.1 °F - 68.0 °F 90% 30.00 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:53 AM 71.1 °F - 68.0 °F 90% 29.99 in 10.0 mi WSW 5.8 mph - N/A   Partly Cloudy
4:53 AM 70.0 °F - 68.0 °F 93% 29.99 in 10.0 mi WSW 3.5 mph - N/A   Partly Cloudy
5:53 AM 70.0 °F - 66.9 °F 90% 30.00 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
6:38 AM 71.6 °F - 68.0 °F 88% 30.02 in 3.0 mi Calm Calm - 0.00 in Rain Heavy Rain
6:42 AM 71.6 °F - 69.8 °F 94% 30.02 in 1.8 mi Calm Calm - 0.01 in Rain Heavy Rain
6:48 AM 71.6 °F - 69.8 °F 94% 30.02 in 3.0 mi Calm Calm - 0.05 in Rain Light Rain
6:53 AM 72.0 °F - 69.1 °F 91% 30.02 in 10.0 mi Calm Calm - 0.05 in   Overcast
7:07 AM 71.6 °F - 69.8 °F 94% 30.02 in 10.0 mi WSW 4.6 mph - N/A   Overcast
7:53 AM 73.9 °F - 70.0 °F 87% 30.03 in 10.0 mi West 5.8 mph - N/A   Overcast
8:53 AM 75.9 °F - 68.0 °F 76% 30.04 in 10.0 mi Calm Calm - N/A   Overcast
9:53 AM 80.1 °F 82.7 °F 68.0 °F 67% 30.04 in 10.0 mi NNW 5.8 mph - N/A   Mostly Cloudy
10:09 AM 78.8 °F - 66.2 °F 65% 30.04 in 10.0 mi North 5.8 mph - N/A   Mostly Cloudy
10:53 AM 81.0 °F 83.8 °F 68.0 °F 65% 30.03 in 10.0 mi NE 6.9 mph - N/A   Mostly Cloudy
11:53 AM 82.9 °F 86.5 °F 69.1 °F 63% 30.02 in 10.0 mi ENE 6.9 mph 16.1 mph N/A   Scattered Clouds
12:53 PM 84.0 °F 87.8 °F 69.1 °F 61% 30.01 in 10.0 mi ENE 9.2 mph 18.4 mph N/A   Mostly Cloudy
1:18 PM 80.6 °F 83.9 °F 69.8 °F 70% 30.00 in 10.0 mi NE 10.4 mph - N/A   Overcast
1:53 PM 81.0 °F 84.1 °F 69.1 °F 67% 29.99 in 10.0 mi East 13.8 mph - N/A   Overcast
2:53 PM 80.1 °F 82.7 °F 68.0 °F 67% 29.99 in 10.0 mi ESE 6.9 mph - N/A   Overcast
3:09 PM 80.6 °F 83.9 °F 69.8 °F 70% 29.98 in 10.0 mi East 8.1 mph - N/A   Overcast
3:36 PM 80.6 °F 83.9 °F 69.8 °F 70% 29.98 in 10.0 mi ESE 8.1 mph - N/A   Overcast
3:53 PM 80.1 °F 82.9 °F 69.1 °F 69% 29.98 in 10.0 mi East 9.2 mph - N/A   Overcast
4:53 PM 79.0 °F - 68.0 °F 69% 29.98 in 10.0 mi ENE 6.9 mph - N/A   Overcast
5:53 PM 78.1 °F - 69.1 °F 74% 29.99 in 10.0 mi ENE 5.8 mph - N/A   Mostly Cloudy
6:53 PM 75.9 °F - 69.1 °F 79% 30.01 in 10.0 mi Calm Calm - N/A   Overcast
7:53 PM 75.0 °F - 68.0 °F 79% 30.04 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:53 PM 77.0 °F - 68.0 °F 74% 30.06 in 10.0 mi Calm Calm - N/A   Overcast
9:02 PM 77.0 °F - 68.0 °F 74% 30.07 in 10.0 mi Calm Calm - N/A   Overcast
9:53 PM 75.0 °F - 70.0 °F 84% 30.08 in 10.0 mi Calm Calm - N/A   Overcast
10:26 PM 73.4 °F - 69.8 °F 88% 30.08 in 10.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
10:50 PM 73.4 °F - 69.8 °F 88% 30.08 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:53 PM 73.9 °F - 69.1 °F 85% 30.08 in 10.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
11:53 PM 73.0 °F - 69.1 °F 87% 30.06 in 10.0 mi West 3.5 mph - N/A   Overcast