Hilo, HI

3:57 AM HST on January 16, 2017 (GMT -1000)
Hilo International

Weather History for PHTO - January, 2015

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Wednesday, January 21, 2015

  Actual Average Record
Temperature  
Mean Temperature 75 °F 71 °F  
Max Temperature 84 °F 79 °F 87 °F (1968)
Min Temperature 65 °F 64 °F 54 °F (1980)
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 6  
Month to date cooling degree days 167 137  
Year to date cooling degree days 167 137  
Growing Degree Days 23 (Base 50)    
Moisture  
Dew Point 60 °F    
Average Humidity 65    
Maximum Humidity 84    
Minimum Humidity 46    
Precipitation  
Precipitation 0.00 in 0.33 in 2.76 in (1979)
Month to date precipitation 0.04 5.93  
Year to date precipitation 0.04 5.93  
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 29.98 in    
Wind  
Wind Speed 8 mph (SSW)    
Max Wind Speed 18 mph    
Max Gust Speed 23 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Jan. 21, 2015 Rise Set
Actual Time 6:57 AM HST 6:05 PM HST
Civil Twilight 6:34 AM HST 6:29 PM HST
Nautical Twilight 6:07 AM HST 6:55 PM HST
Astronomical Twilight 5:40 AM HST 7:22 PM HST
Moon 7:51 AM HST (1/21) 7:47 PM HST (1/21)
Length of Visible Light 11h 55m
Length of Day
11h 08m
Waxing Crescent, 3% of the Moon is Illuminated
Jan 21
Waxing Crescent
Jan 26
First Quarter
Feb 3
Full
Feb 11
Last Quarter
Feb 18
New

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 66.9 °F - 55.9 °F 68% 30.00 in 10.0 mi SW 6.9 mph - N/A   Partly Cloudy
1:53 AM 66.0 °F - 55.9 °F 70% 29.99 in 10.0 mi SW 8.1 mph - N/A   Clear
2:53 AM 66.0 °F - 55.0 °F 68% 29.98 in 10.0 mi SW 6.9 mph - N/A   Overcast
3:18 AM 66.9 °F - 55.0 °F 66% 29.99 in 10.0 mi Calm Calm - N/A   Overcast
3:26 AM 66.9 °F - 55.0 °F 66% 29.98 in 10.0 mi SSW 6.9 mph - N/A   Overcast
3:53 AM 66.9 °F - 55.0 °F 66% 29.98 in 10.0 mi WSW 8.1 mph - N/A   Overcast
4:53 AM 69.1 °F - 55.9 °F 63% 29.99 in 10.0 mi SSW 5.8 mph - N/A   Overcast
5:53 AM 68.0 °F - 57.0 °F 68% 29.99 in 10.0 mi WSW 9.2 mph - N/A   Partly Cloudy
6:53 AM 66.9 °F - 57.0 °F 70% 30.00 in 10.0 mi WSW 8.1 mph - N/A   Clear
7:53 AM 68.0 °F - 57.0 °F 68% 30.01 in 10.0 mi SW 5.8 mph - N/A   Scattered Clouds
8:53 AM 72.0 °F - 59.0 °F 64% 30.04 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:53 AM 77.0 °F - 60.1 °F 56% 30.03 in 10.0 mi SW 4.6 mph - N/A   Overcast
10:53 AM 80.1 °F 81.2 °F 62.1 °F 54% 30.01 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
11:53 AM 79.0 °F - 61.0 °F 54% 29.99 in 10.0 mi SE 11.5 mph - N/A   Scattered Clouds
12:53 PM 82.9 °F 82.8 °F 59.0 °F 44% 29.96 in 10.0 mi ESE 11.5 mph 17.3 mph N/A   Partly Cloudy
1:53 PM 82.0 °F 83.0 °F 62.1 °F 51% 29.93 in 10.0 mi ESE 16.1 mph - N/A   Clear
2:53 PM 81.0 °F 82.7 °F 64.9 °F 58% 29.91 in 10.0 mi SE 16.1 mph - N/A   Scattered Clouds
3:53 PM 80.1 °F 81.7 °F 64.0 °F 58% 29.92 in 10.0 mi ESE 11.5 mph - N/A   Clear
4:53 PM 77.0 °F - 64.0 °F 64% 29.94 in 10.0 mi ESE 12.7 mph - N/A   Clear
5:53 PM 75.0 °F - 66.0 °F 73% 29.96 in 10.0 mi SE 3.5 mph - N/A   Overcast
6:53 PM 75.0 °F - 66.0 °F 73% 29.97 in 10.0 mi Calm Calm - N/A   Overcast
7:46 PM 73.0 °F - 66.0 °F 79% 29.99 in 10.0 mi SSW 3.5 mph - N/A   Mostly Cloudy
7:53 PM 73.0 °F - 66.0 °F 79% 29.99 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
8:12 PM 72.0 °F - 64.9 °F 78% 29.99 in 10.0 mi SSW 4.6 mph - N/A   Partly Cloudy
8:53 PM 70.0 °F - 64.0 °F 81% 30.00 in 10.0 mi SSW 3.5 mph - N/A   Clear
9:53 PM 70.0 °F - 64.0 °F 81% 30.01 in 10.0 mi SSW 4.6 mph - N/A   Clear
10:53 PM 69.1 °F - 64.0 °F 84% 30.01 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
11:53 PM 68.0 °F - 60.1 °F 76% 30.01 in 10.0 mi SW 8.1 mph - N/A   Clear