Hilo, HI

1:37 AM HST on February 27, 2017 (GMT -1000)
Hilo International

Weather History for PHTO - December, 2012

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Friday, December 21, 2012

  Actual Average Record
Temperature  
Mean Temperature 71 °F 72 °F  
Max Temperature 76 °F 79 °F 90 °F (1964)
Min Temperature 65 °F 65 °F 57 °F (1969)
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 6 7  
Month to date cooling degree days 174 156  
Year to date cooling degree days 3107 3163  
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 63 °F    
Average Humidity 77    
Maximum Humidity 93    
Minimum Humidity 60    
Precipitation  
Precipitation 0.42 in 0.36 in 2.71 in (1990)
Month to date precipitation 5.33 8.25  
Year to date precipitation 84.23 123.40  
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 30.06 in    
Wind  
Wind Speed 5 mph (WSW)    
Max Wind Speed 18 mph    
Max Gust Speed 23 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

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Date:

Astronomy

Dec. 21, 2012 Rise Set
Actual Time 6:50 AM HST 5:46 PM HST
Civil Twilight 6:26 AM HST 6:10 PM HST
Nautical Twilight 5:59 AM HST 6:38 PM HST
Astronomical Twilight 5:31 AM HST 7:05 PM HST
Moon 1:12 PM HST (12/21) 1:18 AM HST (12/21)
Length of Visible Light 11h 44m
Length of Day
10h 56m
Waxing Gibbous, 66% of the Moon is Illuminated
Dec 21
Waxing Gibbous
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter

Hourly Weather History & Observations

Time (HST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:04 AM 69.1 °F 63.0 °F 81% 30.07 in 10.0 mi East 11.5 mph - N/A   Overcast
12:16 AM 69.1 °F 63.0 °F 81% 30.08 in 10.0 mi ENE 9.2 mph - 0.00 in Rain Light Rain
12:53 AM 68.0 °F 64.0 °F 87% 30.06 in 10.0 mi NNE 5.8 mph - 0.10 in   Overcast
1:53 AM 68.0 °F 63.0 °F 84% 30.05 in 10.0 mi Calm Calm - N/A   Overcast
2:35 AM 66.9 °F 62.1 °F 84% 30.04 in 10.0 mi WSW 3.5 mph - N/A   Overcast
2:48 AM 66.2 °F 62.6 °F 88% 30.04 in 10.0 mi West 5.8 mph - N/A   Overcast
2:53 AM 66.0 °F 62.1 °F 87% 30.04 in 10.0 mi Variable 3.5 mph - N/A   Overcast
3:15 AM 66.0 °F 62.1 °F 87% 30.03 in 10.0 mi SSW 3.5 mph - 0.00 in   Overcast
3:53 AM 66.0 °F 62.1 °F 87% 30.01 in 10.0 mi SW 6.9 mph - 0.00 in   Mostly Cloudy
4:53 AM 66.0 °F 63.0 °F 90% 30.02 in 10.0 mi WSW 4.6 mph - N/A   Overcast
5:53 AM 66.0 °F 63.0 °F 90% 30.03 in 10.0 mi SW 3.5 mph - 0.00 in   Overcast
6:53 AM 66.0 °F 62.1 °F 87% 30.05 in 10.0 mi WSW 5.8 mph - N/A   Overcast
7:53 AM 68.0 °F 63.0 °F 84% 30.06 in 10.0 mi WSW 4.6 mph - N/A   Overcast
8:53 AM 72.0 °F 64.0 °F 76% 30.09 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:53 AM 73.9 °F 62.1 °F 66% 30.09 in 10.0 mi East 4.6 mph - N/A   Scattered Clouds
10:19 AM 75.0 °F 62.1 °F 64% 30.09 in 10.0 mi SE 4.6 mph - N/A   Mostly Cloudy
10:26 AM 75.9 °F 63.0 °F 64% 30.09 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
10:39 AM 75.0 °F 62.1 °F 64% 30.09 in 10.0 mi East 5.8 mph - N/A   Mostly Cloudy
10:53 AM 75.0 °F 61.0 °F 62% 30.08 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
11:53 AM 72.0 °F 64.0 °F 76% 30.06 in 10.0 mi NE 13.8 mph 18.4 mph N/A   Overcast
12:15 PM 68.0 °F 63.0 °F 84% 30.06 in 2.5 mi Variable 5.8 mph 19.6 mph 0.00 in Rain Rain
12:22 PM 68.0 °F 64.0 °F 87% 30.06 in 4.0 mi Variable 3.5 mph - 0.01 in Rain Light Rain
12:53 PM 70.0 °F 63.0 °F 78% 30.04 in 10.0 mi WSW 4.6 mph - 0.01 in   Overcast
1:53 PM 73.9 °F 61.0 °F 64% 30.02 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:00 PM 73.9 °F 61.0 °F 64% 30.02 in 10.0 mi North 3.5 mph - N/A   Mostly Cloudy
2:53 PM 73.9 °F 60.1 °F 62% 30.02 in 10.0 mi NNW 5.8 mph - N/A   Mostly Cloudy
3:27 PM 70.0 °F 63.0 °F 78% 30.04 in 1.8 mi East 12.7 mph - 0.02 in Rain Heavy Rain
3:37 PM 68.0 °F 63.0 °F 84% 30.03 in 10.0 mi South 4.6 mph - 0.11 in Rain Light Rain
3:53 PM 69.1 °F 64.0 °F 84% 30.02 in 10.0 mi WSW 4.6 mph - 0.11 in   Mostly Cloudy
4:53 PM 70.0 °F 64.0 °F 81% 30.03 in 10.0 mi West 6.9 mph - 0.00 in   Mostly Cloudy
5:53 PM 69.1 °F 64.0 °F 84% 30.04 in 10.0 mi West 4.6 mph - 0.00 in   Overcast
6:35 PM 68.0 °F 64.0 °F 87% 30.07 in 10.0 mi NNW 3.5 mph - 0.06 in   Overcast
6:53 PM 68.0 °F 63.0 °F 84% 30.07 in 10.0 mi West 6.9 mph - 0.07 in Rain Light Rain
7:06 PM 68.0 °F 64.0 °F 87% 30.08 in 10.0 mi WNW 5.8 mph - 0.00 in Rain Light Rain
7:40 PM 66.9 °F 64.0 °F 90% 30.09 in 2.5 mi Calm Calm - 0.03 in Rain Heavy Rain
7:46 PM 66.9 °F 63.0 °F 87% 30.09 in 3.0 mi West 4.6 mph - 0.07 in Rain Rain
7:53 PM 66.9 °F 63.0 °F 87% 30.09 in 9.0 mi West 8.1 mph - 0.09 in Rain Light Rain
8:53 PM 66.0 °F 61.0 °F 84% 30.10 in 10.0 mi West 8.1 mph - 0.00 in   Mostly Cloudy
9:53 PM 64.9 °F 62.1 °F 90% 30.10 in 10.0 mi SW 8.1 mph - 0.04 in   Overcast
10:53 PM 64.9 °F 61.0 °F 87% 30.10 in 10.0 mi SW 6.9 mph - 0.00 in Rain Light Rain
11:53 PM 64.9 °F 61.0 °F 87% 30.09 in 10.0 mi SW 4.6 mph - 0.00 in   Mostly Cloudy