Weather History for St. Johns, AZ

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Thursday, December 15, 2011

  Actual Average (KSOW) Record (KSOW)
Temperature  
Mean Temperature 28 °F -  
Max Temperature 42 °F 43 °F 67 °F (1969)
Min Temperature 15 °F 24 °F -2 °F (1975)
Degree Days  
Heating Degree Days 36    
Moisture  
Dew Point 19 °F    
Average Humidity 83    
Maximum Humidity 100    
Minimum Humidity 45    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.18 in    
Wind  
Wind Speed 2 mph (NE)    
Max Wind Speed 8 mph    
Max Gust Speed -    
Visibility 7 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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Astronomy

Dec. 15, 2011 Rise Set
Actual Time 7:16 AM MST 5:08 PM MST
Civil Twilight 6:48 AM MST 5:36 PM MST
Nautical Twilight 6:17 AM MST 6:07 PM MST
Astronomical Twilight 5:46 AM MST 6:38 PM MST
Moon 10:26 PM MST (12/15) 10:44 AM MST (12/15)
Length of Visible Light 10h 47m
Length of Day
9h 51m
Waning Gibbous, 74% of the Moon is Illuminated
Dec 15
Waning Gibbous
Dec 17
Last Quarter
Dec 24
New
Dec 31
First Quarter
Jan 9
Full

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 26.1 °F 21.9 °F 24.1 °F 92% 30.18 in 9.0 mi NNW 3.5 mph - N/A   Scattered Clouds
1:54 AM 23.0 °F - 21.0 °F 92% 30.19 in 7.0 mi Calm Calm - N/A   Clear
2:00 AM 23.0 °F 18.4 °F 21.2 °F 93% 30.17 in 1.0 mi SSE 3.5 mph - N/A   Mist
2:07 AM 23.0 °F - 21.2 °F 93% 30.17 in 0.5 mi Calm Calm - N/A Fog Light Freezing Fog
2:14 AM 23.0 °F - 23.0 °F 100% 30.17 in 2.0 mi Calm Calm - N/A   Mostly Cloudy
2:19 AM 23.0 °F - 21.2 °F 93% 30.16 in 4.0 mi Calm Calm - N/A   Scattered Clouds
2:54 AM 19.9 °F - 19.9 °F 100% 30.18 in 10.0 mi Calm Calm - N/A   Clear
3:54 AM 19.9 °F - 18.0 °F 92% 30.18 in 10.0 mi Calm Calm - N/A   Clear
4:54 AM 21.2 °F - 19.4 °F 93% 30.16 in 10.0 mi Calm Calm - N/A   Clear
5:54 AM 17.1 °F - 14.0 °F 88% 30.21 in 10.0 mi Calm Calm - N/A   Clear
6:09 AM 15.8 °F - 14.0 °F 93% 30.17 in 2.5 mi Calm Calm - N/A   Partly Cloudy
6:14 AM 15.8 °F - 14.0 °F 93% 30.17 in 1.0 mi Calm Calm - N/A   Mist
6:22 AM 15.8 °F - 14.0 °F 93% 30.17 in 0.5 mi Calm Calm - N/A Fog Light Freezing Fog
6:38 AM 15.8 °F - 15.8 °F 100% 30.17 in 1.2 mi Calm Calm - N/A   Scattered Clouds
6:54 AM 16.0 °F - 12.9 °F 88% 30.23 in 5.0 mi Calm Calm - N/A   Clear
7:34 AM 15.8 °F - 12.2 °F 86% 30.18 in 0.5 mi Calm Calm - N/A Fog Light Freezing Fog
7:41 AM 15.8 °F 10.2 °F 12.2 °F 86% 30.18 in 0.2 mi WNW 3.5 mph - N/A Fog Light Freezing Fog
7:54 AM 17.1 °F 11.7 °F 16.0 °F 96% 30.24 in 1.2 mi NW 3.5 mph - N/A   Mostly Cloudy
7:56 AM 17.6 °F 12.3 °F 15.8 °F 93% 30.18 in 3.0 mi NW 3.5 mph - N/A   Mostly Cloudy
8:31 AM 19.4 °F - 17.6 °F 93% 30.19 in 9.0 mi Calm Calm - N/A   Scattered Clouds
8:54 AM 21.0 °F 16.2 °F 18.0 °F 88% 30.25 in 10.0 mi WNW 3.5 mph - N/A   Clear
9:54 AM 25.0 °F - 21.9 °F 88% 30.23 in 10.0 mi Calm Calm - N/A   Clear
10:54 AM 30.9 °F 27.5 °F 25.0 °F 79% 30.19 in 10.0 mi NE 3.5 mph - N/A   Clear
11:54 AM 37.9 °F 34.4 °F 24.1 °F 57% 30.15 in 10.0 mi Variable 4.6 mph - N/A   Clear
12:54 PM 39.9 °F 35.8 °F 21.0 °F 47% 30.12 in 10.0 mi Variable 5.8 mph - N/A   Clear
1:54 PM 41.0 °F 35.8 °F 21.0 °F 45% 30.10 in 10.0 mi East 8.1 mph - N/A   Clear
2:54 PM 42.1 °F 37.7 °F 21.9 °F 45% 30.10 in 10.0 mi NE 6.9 mph - N/A   Clear
3:54 PM 42.1 °F 37.7 °F 21.9 °F 45% 30.09 in 10.0 mi East 6.9 mph - N/A   Clear
4:54 PM 37.9 °F 32.1 °F 25.0 °F 60% 30.11 in 10.0 mi ENE 8.1 mph - N/A   Clear
5:54 PM 34.0 °F 29.8 °F 24.1 °F 67% 30.14 in 10.0 mi ENE 4.6 mph - N/A   Clear
6:54 PM 32.0 °F 26.4 °F 24.1 °F 73% 30.18 in 10.0 mi ENE 5.8 mph - N/A   Clear
7:54 PM 27.0 °F - 21.9 °F 81% 30.20 in 10.0 mi Calm Calm - N/A   Clear
8:54 PM 26.1 °F 21.9 °F 21.0 °F 81% 30.19 in 10.0 mi SSE 3.5 mph - N/A   Clear
9:54 PM 21.9 °F - 19.0 °F 89% 30.21 in 10.0 mi Calm Calm - N/A   Clear
10:54 PM 23.0 °F - 19.0 °F 85% 30.21 in 7.0 mi Calm Calm - N/A   Clear
11:54 PM 19.0 °F - 17.1 °F 92% 30.19 in 6.0 mi Calm Calm - N/A   Clear