Hilo, HI

12:43 AM HST on May 29, 2017 (GMT -1000)
Hilo International

Weather History for PHTO - September, 2012

Change the Weather History Date:

Wednesday, September 12, 2012

  Actual Average Record
Temperature  
Mean Temperature 75 °F 76 °F  
Max Temperature 83 °F 83 °F 90 °F (1977)
Min Temperature 66 °F 69 °F 64 °F (1955)
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 11  
Month to date cooling degree days 125 132  
Year to date cooling degree days 2160 2204  
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 65 °F    
Average Humidity 72    
Maximum Humidity 90    
Minimum Humidity 54    
Precipitation  
Precipitation 0.04 in 0.33 in 2.98 in (1965)
Month to date precipitation 2.15 3.77  
Year to date precipitation 67.74 83.71  
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 30.03 in    
Wind  
Wind Speed 5 mph (WNW)    
Max Wind Speed 20 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

Search for Another Location

Airport or City:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Sep. 12, 2012 Rise Set
Actual Time 6:07 AM HST 6:24 PM HST
Civil Twilight 5:45 AM HST 6:46 PM HST
Nautical Twilight 5:19 AM HST 7:12 PM HST
Astronomical Twilight 4:53 AM HST 7:38 PM HST
Moon 2:57 AM HST (9/12) 4:01 PM HST (9/12)
Length of Visible Light 13h 01m
Length of Day
12h 17m
Waning Crescent, 12% of the Moon is Illuminated
Sep 12
Waning Crescent
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 7
Last 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 69.1 °F - 64.0 °F 84% 30.03 in 10.0 mi SW 5.8 mph - N/A   Overcast
1:53 AM 69.1 °F - 64.9 °F 87% 30.02 in 10.0 mi ESE 3.5 mph - N/A   Mostly Cloudy
2:53 AM 69.1 °F - 64.9 °F 87% 30.01 in 10.0 mi West 10.4 mph - 0.00 in   Overcast
3:53 AM 68.0 °F - 64.0 °F 87% 30.00 in 10.0 mi SW 6.9 mph - N/A   Overcast
4:53 AM 68.0 °F - 62.1 °F 81% 30.01 in 10.0 mi West 3.5 mph - N/A   Partly Cloudy
5:53 AM 66.9 °F - 62.1 °F 84% 30.03 in 10.0 mi WSW 3.5 mph - N/A   Scattered Clouds
6:53 AM 68.0 °F - 61.0 °F 78% 30.04 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:53 AM 71.1 °F - 63.0 °F 75% 30.06 in 10.0 mi WNW 3.5 mph - N/A   Mostly Cloudy
8:53 AM 73.9 °F - 66.0 °F 76% 30.07 in 10.0 mi NNW 3.5 mph - 0.00 in   Mostly Cloudy
9:53 AM 77.0 °F - 64.0 °F 64% 30.06 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:53 AM 80.1 °F 81.7 °F 64.0 °F 58% 30.05 in 10.0 mi North 5.8 mph - N/A   Mostly Cloudy
11:53 AM 81.0 °F 82.5 °F 64.0 °F 56% 30.03 in 10.0 mi North 6.9 mph - N/A   Mostly Cloudy
12:53 PM 81.0 °F 82.2 °F 63.0 °F 54% 30.01 in 10.0 mi ENE 10.4 mph - N/A   Mostly Cloudy
1:08 PM 80.6 °F 82.7 °F 66.2 °F 61% 30.01 in 10.0 mi NE 12.7 mph 20.7 mph N/A   Overcast
1:53 PM 73.0 °F - 70.0 °F 90% 30.01 in 4.0 mi NE 8.1 mph - 0.00 in Rain Light Rain
2:53 PM 75.0 °F - 68.0 °F 79% 29.99 in 10.0 mi NW 6.9 mph - 0.02 in   Overcast
3:53 PM 73.9 °F - 69.1 °F 85% 29.99 in 10.0 mi NW 6.9 mph - 0.02 in   Overcast
4:53 PM 75.0 °F - 68.0 °F 79% 29.99 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
5:53 PM 75.0 °F - 64.9 °F 71% 30.01 in 10.0 mi NNW 4.6 mph - N/A   Overcast
6:53 PM 73.9 °F - 66.0 °F 76% 30.02 in 10.0 mi Calm Calm - N/A   Overcast
7:53 PM 73.0 °F - 64.9 °F 76% 30.04 in 10.0 mi Calm Calm - 0.00 in   Overcast
8:53 PM 71.1 °F - 63.0 °F 75% 30.06 in 10.0 mi SW 3.5 mph - N/A   Scattered Clouds
9:53 PM 70.0 °F - 66.0 °F 87% 30.08 in 4.0 mi East 10.4 mph 21.9 mph 0.00 in Rain Rain
10:53 PM 70.0 °F - 66.0 °F 87% 30.07 in 10.0 mi West 9.2 mph - 0.03 in   Overcast
11:53 PM 70.0 °F - 64.9 °F 84% 30.06 in 10.0 mi West 8.1 mph - 0.00 in   Overcast