Weather History for Tucson, AZ

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Monday, December 31, 2012

  Actual Average Record
Temperature  
Mean Temperature 42 °F 52 °F  
Max Temperature 50 °F 64 °F 81 °F (1917)
Min Temperature 34 °F 39 °F 11 °F (1905)
Degree Days  
Heating Degree Days 23 14  
Month to date heating degree days 354 408  
Since 1 July heating degree days 421 611  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 3597 3146  
Moisture  
Dew Point 34 °F    
Average Humidity 71    
Maximum Humidity 100    
Minimum Humidity 42    
Precipitation  
Precipitation 0.08 in 0.03 in 1.40 in (1915)
Month to date precipitation 1.18 0.93  
Year to date precipitation 7.91 11.59  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.10 in    
Wind  
Wind Speed 4 mph (WSW)    
Max Wind Speed 14 mph    
Max Gust Speed 28 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 31, 2012 Rise Set
Actual Time 7:24 AM MST 5:29 PM MST
Civil Twilight 6:57 AM MST 5:56 PM MST
Nautical Twilight 6:27 AM MST 6:27 PM MST
Astronomical Twilight 5:57 AM MST 6:57 PM MST
Moon 8:50 PM MST (12/31) 9:19 AM MST (12/31)
Length of Visible Light 10h 59m
Length of Day
10h 05m
Waning Gibbous, 90% of the Moon is Illuminated
Dec 31
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 41.0 °F 38.0 °F 39.0 °F 93% 29.96 in 10.0 mi ENE 4.6 mph - N/A   Overcast
1:53 AM 41.0 °F - 39.0 °F 93% 29.96 in 10.0 mi Calm Calm - N/A   Overcast
2:48 AM 41.0 °F 39.0 °F 39.2 °F 93% 30.02 in 9.0 mi WSW 3.5 mph - 0.01 in Rain Light Rain
2:53 AM 41.0 °F 38.0 °F 39.0 °F 93% 29.99 in 7.0 mi West 4.6 mph - 0.01 in Rain Light Rain
3:40 AM 39.2 °F 37.0 °F 37.4 °F 93% 30.02 in 10.0 mi SW 3.5 mph - 0.06 in Rain Light Rain
3:53 AM 39.9 °F 37.8 °F 37.0 °F 89% 29.99 in 10.0 mi South 3.5 mph - 0.06 in   Overcast
4:53 AM 39.9 °F - 37.0 °F 89% 30.00 in 10.0 mi Calm Calm - N/A   Overcast
5:53 AM 39.9 °F 36.7 °F 37.9 °F 93% 30.00 in 10.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
6:53 AM 39.9 °F 37.8 °F 37.9 °F 93% 30.04 in 10.0 mi ESE 3.5 mph - N/A   Overcast
7:53 AM 39.9 °F - 39.0 °F 97% 30.07 in 10.0 mi Calm Calm - N/A   Scattered Clouds
8:53 AM 41.0 °F - 39.0 °F 93% 30.10 in 10.0 mi Calm Calm - N/A   Overcast
9:03 AM 41.0 °F - 39.2 °F 93% 30.11 in 10.0 mi Calm Calm - N/A   Overcast
9:53 AM 42.1 °F - 39.0 °F 89% 30.13 in 10.0 mi Calm Calm - N/A   Overcast
10:53 AM 44.1 °F 40.1 °F 37.0 °F 76% 30.13 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
11:21 AM 44.6 °F 40.2 °F 37.4 °F 76% 30.15 in 10.0 mi West 8.1 mph - N/A   Overcast
11:32 AM 44.6 °F 39.2 °F 37.4 °F 76% 30.15 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
11:53 AM 46.0 °F 41.9 °F 36.0 °F 68% 30.13 in 10.0 mi West 8.1 mph - N/A   Partly Cloudy
12:53 PM 46.9 °F - 32.0 °F 56% 30.10 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
1:53 PM 46.0 °F 44.8 °F 36.0 °F 68% 30.10 in 9.0 mi West 3.5 mph - 0.01 in Rain Light Rain
2:53 PM 48.0 °F - 32.0 °F 54% 30.11 in 10.0 mi West 8.1 mph - 0.00 in   Partly Cloudy
3:53 PM 48.9 °F - 27.0 °F 43% 30.12 in 10.0 mi West 12.7 mph 18.4 mph N/A   Clear
4:53 PM 48.0 °F - 28.0 °F 46% 30.12 in 10.0 mi WNW 8.1 mph - N/A   Clear
5:53 PM 46.0 °F 43.1 °F 26.1 °F 46% 30.14 in 10.0 mi WNW 5.8 mph - N/A   Clear
6:53 PM 44.1 °F 42.5 °F 27.0 °F 51% 30.15 in 10.0 mi NW 3.5 mph - N/A   Clear
7:53 PM 42.1 °F - 27.0 °F 55% 30.17 in 10.0 mi Calm Calm - N/A   Clear
8:53 PM 39.0 °F 36.8 °F 28.9 °F 67% 30.18 in 10.0 mi SSW 3.5 mph - N/A   Clear
9:53 PM 37.0 °F 33.3 °F 28.9 °F 73% 30.20 in 10.0 mi South 4.6 mph - N/A   Clear
10:53 PM 35.1 °F - 30.0 °F 82% 30.20 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 34.0 °F 28.8 °F 30.0 °F 85% 30.21 in 10.0 mi South 5.8 mph - N/A   Clear