Hilo, HI

2:12 AM HST on November 22, 2017 (GMT -1000)
Hilo International

Weather History for PHTO - September, 2013

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Saturday, September 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 77 °F 76 °F  
Max Temperature 84 °F 83 °F 92 °F (1951)
Min Temperature 69 °F 69 °F 62 °F (1959)
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 12 11  
Month to date cooling degree days 269 231  
Year to date cooling degree days 2482 2303  
Growing Degree Days 26 (Base 50)    
Moisture  
Dew Point 66 °F    
Average Humidity 74    
Maximum Humidity 90    
Minimum Humidity 58    
Precipitation  
Precipitation 0.04 in 0.34 in 4.61 in (1980)
Month to date precipitation 1.74 6.82  
Year to date precipitation 66.62 86.76  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Since 1 July snowfall 0.0  
Since 1 September snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.02 in    
Wind  
Wind Speed 7 mph (SW)    
Max Wind Speed 16 mph    
Max Gust Speed 19 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

Sep. 21, 2013 Rise Set
Actual Time 6:08 AM HST 6:16 PM HST
Civil Twilight 5:46 AM HST 6:38 PM HST
Nautical Twilight 5:21 AM HST 7:04 PM HST
Astronomical Twilight 4:55 AM HST 7:30 PM HST
Moon 8:02 PM HST (9/21) 8:13 AM HST (9/21)
Length of Visible Light 12h 51m
Length of Day
12h 07m
Waning Gibbous, 93% of the Moon is Illuminated
Sep 21
Waning Gibbous
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
Full

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 71.1 °F - 64.9 °F 81% 30.04 in 10.0 mi WSW 8.1 mph - 0.00 in Rain Light Rain
1:53 AM 71.1 °F - 64.9 °F 81% 30.02 in 10.0 mi WSW 5.8 mph - 0.00 in   Mostly Cloudy
2:53 AM 70.0 °F - 64.0 °F 81% 30.01 in 10.0 mi SW 4.6 mph - N/A   Scattered Clouds
3:53 AM 71.1 °F - 63.0 °F 75% 30.01 in 10.0 mi Calm Calm - N/A   Overcast
4:53 AM 71.1 °F - 64.9 °F 81% 30.01 in 10.0 mi WSW 5.8 mph - 0.00 in   Mostly Cloudy
5:53 AM 70.0 °F - 66.9 °F 90% 30.03 in 4.0 mi South 4.6 mph - 0.03 in Rain Light Rain
6:53 AM 70.0 °F - 64.9 °F 84% 30.03 in 10.0 mi WSW 9.2 mph - 0.01 in   Mostly Cloudy
7:53 AM 73.0 °F - 68.0 °F 84% 30.06 in 10.0 mi WNW 5.8 mph - 0.00 in   Mostly Cloudy
8:53 AM 77.0 °F - 68.0 °F 74% 30.06 in 10.0 mi West 10.4 mph - N/A   Overcast
9:53 AM 81.0 °F 82.5 °F 64.0 °F 56% 30.05 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:53 AM 82.0 °F 84.1 °F 66.0 °F 58% 30.04 in 10.0 mi SE 5.8 mph - N/A   Mostly Cloudy
11:53 AM 82.0 °F 85.5 °F 69.1 °F 65% 30.03 in 10.0 mi North 10.4 mph - 0.00 in   Mostly Cloudy
12:53 PM 82.0 °F 84.9 °F 68.0 °F 62% 30.01 in 10.0 mi Variable 6.9 mph - 0.00 in   Mostly Cloudy
1:53 PM 82.0 °F 84.5 °F 66.9 °F 60% 29.99 in 10.0 mi East 16.1 mph - N/A   Scattered Clouds
2:53 PM 82.0 °F 84.1 °F 66.0 °F 58% 29.98 in 10.0 mi ENE 8.1 mph - N/A   Overcast
3:53 PM 81.0 °F 83.0 °F 66.0 °F 60% 29.98 in 10.0 mi East 6.9 mph - N/A   Mostly Cloudy
4:53 PM 78.1 °F - 66.9 °F 68% 29.99 in 10.0 mi East 16.1 mph - N/A   Overcast
5:53 PM 73.0 °F - 66.9 °F 81% 30.00 in 10.0 mi ESE 6.9 mph - 0.00 in   Overcast
6:53 PM 75.0 °F - 66.0 °F 73% 30.01 in 10.0 mi WSW 6.9 mph - N/A   Overcast
7:53 PM 75.0 °F - 66.0 °F 73% 30.02 in 10.0 mi SW 6.9 mph - N/A   Overcast
8:53 PM 73.9 °F - 64.9 °F 73% 30.04 in 10.0 mi SW 3.5 mph - N/A   Overcast
9:53 PM 73.9 °F - 64.0 °F 71% 30.05 in 10.0 mi SW 6.9 mph - N/A   Overcast
10:53 PM 73.9 °F - 63.0 °F 68% 30.05 in 10.0 mi SW 6.9 mph - N/A   Overcast
11:53 PM 73.0 °F - 64.0 °F 73% 30.04 in 10.0 mi SW 4.6 mph - 0.00 in   Mostly Cloudy