Weather History for Hilo, HI

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Sunday, December 25, 2011

  Actual Average Record
Temperature  
Mean Temperature 74 °F 72 °F  
Max Temperature 80 °F 79 °F 87 °F (1980)
Min Temperature 67 °F 65 °F 58 °F (1958)
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 9 7  
Month to date cooling degree days 174 184  
Year to date cooling degree days 3246 3191  
Growing Degree Days 23 (Base 50)    
Moisture  
Dew Point 65 °F    
Average Humidity 76    
Maximum Humidity 90    
Minimum Humidity 62    
Precipitation  
Precipitation 0.28 in 0.34 in 8.00 in (1981)
Month to date precipitation 18.93 9.65  
Year to date precipitation 96.33 124.80  
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 30.18 in    
Wind  
Wind Speed 5 mph (East)    
Max Wind Speed 14 mph    
Max Gust Speed 20 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 25, 2011 Rise Set
Actual Time 6:52 AM HST 5:48 PM HST
Civil Twilight 6:28 AM HST 6:12 PM HST
Nautical Twilight 6:00 AM HST 6:40 PM HST
Astronomical Twilight 5:33 AM HST 7:07 PM HST
Moon 7:44 AM HST (12/25) 7:12 PM HST (12/25)
Length of Visible Light 11h 44m
Length of Day
10h 56m
New Moon, 2% of the Moon is Illuminated
Dec 25
New Moon
Dec 31
First Quarter
Jan 8
Full
Jan 15
Last Quarter
Jan 22
New

Hourly Weather History & Observations

Time (HST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:11 AM 71.6 °F 66.2 °F 83% 30.18 in 10.0 mi East 5.8 mph - N/A   Overcast
12:18 AM 71.6 °F 66.2 °F 83% 30.18 in 10.0 mi East 8.1 mph - N/A   Overcast
12:53 AM 71.1 °F 64.9 °F 81% 30.18 in 10.0 mi East 6.9 mph - N/A   Overcast
1:53 AM 72.0 °F 64.0 °F 76% 30.17 in 10.0 mi ESE 6.9 mph - N/A   Overcast
2:06 AM 71.6 °F 64.4 °F 78% 30.17 in 10.0 mi East 5.8 mph - N/A   Overcast
2:20 AM 71.6 °F 64.4 °F 78% 30.16 in 10.0 mi East 9.2 mph - N/A   Mostly Cloudy
2:53 AM 71.1 °F 66.0 °F 84% 30.16 in 8.0 mi East 8.1 mph 19.6 mph 0.06 in Rain Light Rain
3:48 AM 71.6 °F 64.4 °F 78% 30.15 in 10.0 mi Calm Calm - 0.00 in   Overcast
3:53 AM 71.1 °F 64.9 °F 81% 30.15 in 10.0 mi Calm Calm - 0.00 in   Overcast
4:22 AM 71.6 °F 64.4 °F 78% 30.16 in 10.0 mi East 6.9 mph - N/A   Overcast
4:53 AM 71.1 °F 64.9 °F 81% 30.15 in 10.0 mi East 6.9 mph - N/A   Overcast
5:53 AM 71.1 °F 64.0 °F 78% 30.17 in 10.0 mi East 5.8 mph - N/A   Mostly Cloudy
6:08 AM 71.6 °F 64.4 °F 78% 30.17 in 10.0 mi ENE 3.5 mph - N/A   Overcast
6:16 AM 71.6 °F 64.4 °F 78% 30.18 in 10.0 mi East 6.9 mph - N/A   Overcast
6:53 AM 70.0 °F 64.0 °F 81% 30.18 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:53 AM 70.0 °F 66.0 °F 87% 30.21 in 10.0 mi Calm Calm - N/A   Scattered Clouds
8:53 AM 72.0 °F 66.0 °F 81% 30.22 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:53 AM 77.0 °F 64.9 °F 66% 30.22 in 10.0 mi East 8.1 mph - N/A   Mostly Cloudy
10:53 AM 78.1 °F 64.9 °F 64% 30.21 in 10.0 mi ENE 4.6 mph - N/A   Mostly Cloudy
11:53 AM 75.0 °F 66.0 °F 73% 30.18 in 10.0 mi East 8.1 mph - 0.00 in Rain Light Rain
12:53 PM 75.9 °F 64.0 °F 67% 30.15 in 10.0 mi Variable 6.9 mph - 0.00 in   Partly Cloudy
1:53 PM 78.1 °F 64.9 °F 64% 30.12 in 10.0 mi NE 9.2 mph - N/A   Overcast
2:53 PM 75.0 °F 64.0 °F 69% 30.11 in 10.0 mi ENE 5.8 mph - N/A   Partly Cloudy
3:53 PM 75.0 °F 64.0 °F 69% 30.11 in 10.0 mi NE 5.8 mph - N/A   Scattered Clouds
4:53 PM 75.0 °F 64.0 °F 69% 30.12 in 10.0 mi NE 4.6 mph - N/A   Scattered Clouds
5:53 PM 73.0 °F 64.0 °F 73% 30.15 in 10.0 mi Calm Calm - N/A   Clear
6:53 PM 70.0 °F 66.0 °F 87% 30.17 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
7:24 PM 69.8 °F 64.4 °F 83% 30.18 in 10.0 mi WSW 5.8 mph - N/A   Overcast
7:37 PM 69.8 °F 64.4 °F 83% 30.19 in 10.0 mi Calm Calm - N/A   Overcast
7:46 PM 69.8 °F 64.4 °F 83% 30.19 in 10.0 mi West 4.6 mph - N/A   Overcast
7:53 PM 70.0 °F 64.0 °F 81% 30.19 in 10.0 mi West 4.6 mph - N/A   Overcast
8:53 PM 69.1 °F 64.9 °F 87% 30.21 in 10.0 mi WSW 6.9 mph - N/A   Mostly Cloudy
9:18 PM 69.8 °F 64.4 °F 83% 30.22 in 2.5 mi Calm Calm - 0.00 in Rain Rain
9:36 PM 68.0 °F 66.2 °F 94% 30.23 in 10.0 mi Variable 3.5 mph - 0.21 in Rain Light Rain
9:48 PM 68.0 °F 66.2 °F 94% 30.22 in 10.0 mi WSW 5.8 mph - 0.21 in   Overcast
9:53 PM 68.0 °F 64.9 °F 90% 30.22 in 10.0 mi WSW 5.8 mph - 0.21 in   Overcast
10:53 PM 68.0 °F 64.9 °F 90% 30.22 in 10.0 mi WSW 4.6 mph - 0.00 in   Overcast
11:23 PM 68.0 °F 64.4 °F 88% 30.22 in 7.0 mi WSW 6.9 mph - 0.00 in Rain Light Rain
11:53 PM 66.9 °F 64.0 °F 90% 30.20 in 10.0 mi WSW 3.5 mph - 0.01 in   Scattered Clouds