Hilo, HI

4:48 AM HST on March 27, 2017 (GMT -1000)
Hilo International

Weather History for PHTO - May, 2013

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Monday, May 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 74 °F 74 °F  
Max Temperature 81 °F 81 °F 94 °F (1966)
Min Temperature 66 °F 67 °F 64 °F (2001)
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 9  
Month to date cooling degree days 208 168  
Year to date cooling degree days 1041 965  
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 67 °F    
Average Humidity 78    
Maximum Humidity 93    
Minimum Humidity 62    
Precipitation  
Precipitation T in 0.24 in 2.66 in (1998)
Month to date precipitation 2.76 5.76  
Year to date precipitation 41.37 49.55  
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 29.94 in    
Wind  
Wind Speed 6 mph (NNW)    
Max Wind Speed 13 mph    
Max Gust Speed 16 mph    
Visibility 10 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

May. 20, 2013 Rise Set
Actual Time 5:42 AM HST 6:50 PM HST
Civil Twilight 5:18 AM HST 7:14 PM HST
Nautical Twilight 4:50 AM HST 7:43 PM HST
Astronomical Twilight 4:21 AM HST 8:12 PM HST
Moon 2:42 PM HST (5/20) 2:06 AM HST (5/20)
Length of Visible Light 13h 55m
Length of Day
13h 08m
Waxing Gibbous, 77% of the Moon is Illuminated
May 20
Waxing Gibbous
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
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
12:53 AM 72.0 °F - 69.1 °F 91% 29.94 in 10.0 mi South 3.5 mph - 0.00 in   Overcast
1:53 AM 71.1 °F - 68.0 °F 90% 29.92 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:53 AM 70.0 °F - 66.9 °F 90% 29.92 in 9.0 mi Calm Calm - N/A   Scattered Clouds
3:53 AM 68.0 °F - 64.9 °F 90% 29.91 in 10.0 mi WSW 4.6 mph - N/A   Clear
4:53 AM 66.9 °F - 62.1 °F 84% 29.92 in 10.0 mi WSW 5.8 mph - N/A   Clear
5:53 AM 66.9 °F - 61.0 °F 81% 29.94 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
6:53 AM 68.0 °F - 62.1 °F 81% 29.96 in 10.0 mi SW 5.8 mph - N/A   Mostly Cloudy
7:53 AM 73.0 °F - 64.0 °F 73% 29.96 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:53 AM 78.1 °F - 66.0 °F 66% 29.97 in 10.0 mi Variable 3.5 mph - 0.00 in   Mostly Cloudy
9:53 AM 79.0 °F - 66.9 °F 66% 29.97 in 10.0 mi NNE 8.1 mph - N/A   Mostly Cloudy
10:53 AM 80.1 °F 82.3 °F 66.9 °F 64% 29.96 in 10.0 mi North 9.2 mph - N/A   Mostly Cloudy
11:53 AM 78.1 °F - 68.0 °F 71% 29.95 in 10.0 mi NE 8.1 mph - N/A   Mostly Cloudy
12:53 PM 78.1 °F - 68.0 °F 71% 29.94 in 10.0 mi North 9.2 mph - N/A   Mostly Cloudy
1:38 PM 75.9 °F - 68.0 °F 76% 29.93 in 10.0 mi North 6.9 mph - 0.00 in Rain Light Rain
1:53 PM 75.9 °F - 69.1 °F 79% 29.92 in 10.0 mi North 9.2 mph - 0.00 in Rain Light Rain
2:17 PM 75.9 °F - 68.0 °F 76% 29.92 in 10.0 mi North 9.2 mph - 0.00 in   Overcast
2:53 PM 75.9 °F - 68.0 °F 76% 29.91 in 10.0 mi NNW 10.4 mph - 0.00 in   Overcast
3:53 PM 75.9 °F - 66.9 °F 74% 29.91 in 10.0 mi NNW 9.2 mph - N/A   Overcast
4:05 PM 75.0 °F - 66.0 °F 73% 29.92 in 10.0 mi NNW 8.1 mph - N/A   Overcast
4:39 PM 75.9 °F - 66.9 °F 74% 29.92 in 10.0 mi North 9.2 mph - 0.00 in   Overcast
4:53 PM 75.0 °F - 66.0 °F 73% 29.92 in 10.0 mi North 10.4 mph - 0.00 in   Overcast
5:29 PM 75.0 °F - 66.9 °F 76% 29.93 in 10.0 mi NNW 9.2 mph - 0.00 in Rain Light Rain
5:53 PM 73.9 °F - 68.0 °F 82% 29.94 in 9.0 mi NNW 5.8 mph - 0.00 in Rain Light Rain
6:29 PM 73.0 °F - 68.0 °F 84% 29.95 in 10.0 mi NNE 4.6 mph - 0.01 in Rain Light Rain
6:53 PM 72.0 °F - 66.9 °F 84% 29.95 in 10.0 mi North 5.8 mph - 0.01 in   Overcast
7:53 PM 72.0 °F - 66.9 °F 84% 29.97 in 10.0 mi NNE 4.6 mph - N/A   Overcast
9:53 PM 70.0 °F - 66.9 °F 90% 30.00 in 10.0 mi SSE 3.5 mph - 0.00 in   Mostly Cloudy
10:50 PM 69.8 °F - 66.2 °F 88% 30.00 in 10.0 mi SSE 3.5 mph - N/A   Mostly Cloudy
10:53 PM 69.1 °F - 66.9 °F 93% 30.00 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
11:53 PM 69.1 °F - 66.0 °F 90% 29.99 in 10.0 mi SSW 3.5 mph - N/A   Scattered Clouds