Weather History for Grand Canyon, AZ

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Monday, December 17, 2012

  Actual Average Record
Temperature  
Mean Temperature 28 °F -  
Max Temperature 33 °F 40 °F 64 °F (1980)
Min Temperature 24 °F 12 °F 0 °F (1993)
Degree Days  
Heating Degree Days 36    
Moisture  
Dew Point 29 °F    
Average Humidity 94    
Maximum Humidity 100    
Minimum Humidity 86    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.07 in    
Wind  
Wind Speed 5 mph (SW)    
Max Wind Speed 13 mph    
Max Gust Speed -    
Visibility 5 miles    
Events Fog    
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 17, 2012 Rise Set
Actual Time 7:33 AM MST 5:16 PM MST
Civil Twilight 7:04 AM MST 5:45 PM MST
Nautical Twilight 6:32 AM MST 6:17 PM MST
Astronomical Twilight 6:01 AM MST 6:48 PM MST
Moon 10:51 AM MST (12/17) 10:33 PM MST (12/17)
Length of Visible Light 10h 40m
Length of Day
9h 43m
Waxing Crescent, 25% of the Moon is Illuminated
Dec 17
Waxing Crescent
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:09 AM 24.8 °F 20.5 °F 21.2 °F 86% 30.12 in 10.0 mi SSW 3.5 mph - N/A   Overcast
1:13 AM 24.8 °F - 21.2 °F 86% 30.11 in 10.0 mi Calm Calm - N/A   Overcast
1:46 AM 24.8 °F - 23.0 °F 93% 30.11 in 10.0 mi Calm Calm - N/A   Overcast
1:54 AM 25.0 °F - 23.0 °F 92% 30.15 in 10.0 mi Calm Calm - N/A   Overcast
2:50 AM 26.6 °F 20.0 °F 24.8 °F 93% 30.10 in 10.0 mi SSW 5.8 mph - N/A   Overcast
2:54 AM 26.1 °F 19.4 °F 24.1 °F 92% 30.14 in 10.0 mi SSW 5.8 mph - N/A   Overcast
3:54 AM 27.0 °F - 25.0 °F 92% 30.13 in 7.0 mi Calm Calm - N/A   Overcast
4:54 AM 28.0 °F 22.8 °F 26.1 °F 92% 30.13 in 8.0 mi SW 4.6 mph - N/A   Overcast
5:54 AM 28.0 °F 21.7 °F 26.1 °F 92% 30.13 in 7.0 mi SW 5.8 mph - N/A   Overcast
6:54 AM 28.9 °F 21.9 °F 26.1 °F 89% 30.14 in 7.0 mi SW 6.9 mph - N/A   Overcast
7:20 AM 28.4 °F 23.3 °F 26.6 °F 93% 30.11 in 8.0 mi SW 4.6 mph - N/A   Overcast
7:54 AM 28.9 °F 21.9 °F 27.0 °F 92% 30.15 in 9.0 mi SW 6.9 mph - N/A   Overcast
8:54 AM 30.0 °F 23.2 °F 28.0 °F 92% 30.14 in 9.0 mi SSW 6.9 mph - N/A   Overcast
9:54 AM 30.0 °F 21.1 °F 28.0 °F 92% 30.17 in 4.0 mi SW 10.4 mph - N/A   Overcast
10:54 AM 30.9 °F 22.2 °F 28.0 °F 89% 30.18 in 7.0 mi SW 10.4 mph - N/A   Overcast
11:45 AM 30.2 °F 20.8 °F 28.4 °F 93% 30.11 in 0.5 mi SW 11.5 mph - N/A Fog Light Freezing Fog
11:54 AM 30.9 °F 21.7 °F 28.9 °F 92% 30.14 in 0.5 mi SW 11.5 mph - N/A Fog Light Freezing Fog
12:54 PM 30.9 °F 21.2 °F 28.9 °F 92% 30.11 in 0.5 mi SW 12.7 mph - N/A Fog Light Freezing Fog
1:54 PM 32.0 °F 23.6 °F 30.0 °F 92% 30.09 in 0.5 mi SW 10.4 mph - N/A Fog Light Freezing Fog
2:54 PM 32.0 °F 24.2 °F 30.0 °F 92% 30.08 in 0.5 mi SW 9.2 mph - N/A Fog Light Freezing Fog
5:54 PM 33.1 °F 26.9 °F 30.9 °F 92% 30.03 in 0.5 mi SW 6.9 mph - N/A Fog Fog
6:21 PM 33.8 °F 28.6 °F 30.2 °F 87% 30.02 in 0.5 mi SW 5.8 mph - N/A Fog Fog
6:34 PM 33.8 °F 28.6 °F 30.2 °F 87% 30.03 in 10.0 mi SW 5.8 mph - N/A   Overcast
6:54 PM 33.1 °F 27.7 °F 30.9 °F 92% 30.02 in 9.0 mi SW 5.8 mph - N/A   Overcast
7:54 PM 33.1 °F 28.7 °F 33.1 °F 100% 30.01 in 7.0 mi SW 4.6 mph - N/A   Overcast
8:54 PM 33.1 °F 26.1 °F 32.0 °F 96% 29.99 in 7.0 mi SW 8.1 mph - N/A   Overcast
9:54 PM 33.1 °F 25.5 °F 32.0 °F 96% 29.99 in 9.0 mi SW 9.2 mph - N/A   Overcast
10:43 PM 32.0 °F 24.2 °F 32.0 °F 100% 30.00 in 1.8 mi SW 9.2 mph - N/A   Overcast
10:49 PM 32.0 °F 24.8 °F 32.0 °F 100% 30.00 in 0.8 mi SW 8.1 mph - N/A   Overcast
10:54 PM 32.0 °F 24.8 °F 32.0 °F 100% 29.99 in 0.5 mi SW 8.1 mph - N/A Fog Fog
11:11 PM 32.0 °F 24.2 °F 32.0 °F 100% 30.00 in 1.5 mi SW 9.2 mph - N/A   Overcast
11:15 PM 32.0 °F 24.8 °F 32.0 °F 100% 30.00 in 3.0 mi SW 8.1 mph - N/A   Overcast
11:37 PM 32.0 °F 24.2 °F 32.0 °F 100% 30.00 in 2.5 mi SW 9.2 mph - N/A   Overcast
11:41 PM 32.0 °F 26.4 °F 32.0 °F 100% 29.99 in 1.2 mi SW 5.8 mph - N/A   Overcast
11:49 PM 32.0 °F 24.2 °F 32.0 °F 100% 29.99 in 0.5 mi SW 9.2 mph - N/A Fog Fog
11:54 PM 32.0 °F 24.2 °F 32.0 °F 100% 29.98 in 0.5 mi SW 9.2 mph - N/A Fog Fog