STATION: WINDOW ROCK AIRPORT (KRQE), AZ
CLIMATOLOGICAL SUMMARY. Period of Record: Aug 1998 to Dec 2008
Summaries based on unedited daily ASOS data. Errors may be present.
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TEMPERATURE (F) | Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec | Year
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Avg Max Temp | 44.5 47.8 55.2 63.2 73.8 83.8 86.6 82.4 76.6 65.5 55.2 44.1 | 64.9
Avg Min Temp | 14.4 17.6 21.9 28.6 36.1 43.7 52.7 51.6 41.7 31.0 20.1 12.7 | 31.0
Avg Temperature | 29.4 32.7 38.6 45.9 55.0 63.7 69.6 67.0 59.2 48.2 37.7 28.4 | 48.0
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Extremes: | |
Extreme Max Temp| 63 65 76 81 92 93 98 93 88 83 85 66 | 98
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Date of Ext-Day | 15 23 17 27 31 30 09 02 14 01 29 01 |
-Year| 2000 2002 2007 2000 2002 2002 2003 2000 2000 2003 2000 2003 |
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Extreme Min Temp| -13 -11 -8 10 13 27 38 35 22 13 -5 -12 | -13
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Date of Ext-Day | 17 01 03 16 02 12 10 25 29 30 30 26 |
-Year| 2008 2001 2002 1999 2008 2008 2003 2002 1999 1999 2004 2002 |
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Heating Degree Days | 1103 913 818 573 313 78 2 15 180 520 820 1134 | 6469
Cooling Degree Days | 0 0 0 0 3 40 146 77 5 0 0 0 | 271
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Avg Number of Days: | |
Max Temp >= 90 | 0.0 0.0 0.0 0.0 0.3 3.9 9.0 2.0 0.0 0.0 0.0 0.0 | 15.2
Max Temp >= 75 | 0.0 0.0 0.2 1.4 16.4 28.1 30.2 29.5 21.5 3.9 0.5 0.0 | 131.7
Max Temp <= 32 | 3.2 1.0 0.3 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.7 2.8 | 8.1
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Min Temp <= 32 | 30.1 27.3 29.1 21.5 9.9 1.5 0.0 0.0 3.0 19.1 28.0 30.6 | 200.2
Min Temp <= 20 | 21.7 16.7 13.0 3.5 0.4 0.0 0.0 0.0 0.0 2.5 16.4 24.4 | 98.6
Min Temp <= 0 | 3.5 0.7 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 2.7 | 7.8
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Avg Dew Point Temp | 16.6 16.6 18.1 18.9 23.4 26.8 43.2 46.7 36.9 27.1 18.0 15.1 | 25.6
Avg Wet Bulb Temp | 24.3 26.5 30.8 35.4 41.7 47.2 55.2 55.3 47.6 38.5 29.5 23.2 | 37.9
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Avg Sea Level Pres | 30.13 30.06 29.99 29.93 29.87 29.85 29.89 29.93 29.95 30.01 30.10 30.14 | 29.99
(Inches of Mercury) | |
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WEATHER | Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec | Year
See disclaimer below| |
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Avg Number of Days: | |
Thunderstorms | 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 | 0.0
Heavy Fog | 2.4 1.9 1.9 1.1 0.2 0.1 0.0 0.4 0.4 0.5 0.6 2.3 | 11.7
Fog | 8.1 6.4 7.6 4.7 1.5 0.9 3.0 4.7 4.0 5.9 3.7 6.8 | 57.3
Hail | 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 | 0.0
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PRECIPITATION (In) | Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec | Year
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Average Monthly | 0.73 0.69 0.67 0.54 0.45 0.23 1.76 2.21 1.39 1.12 0.58 0.60 | 10.98
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Maximum Daily | 0.62 0.77 0.49 0.59 0.69 0.25 1.09 2.49 1.45 0.95 0.87 0.58 | 2.49
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Date of Ext-Day | 27 11 11 24 20 29 31 11 29 09 30 29 |
-Year| 2008 2005 2006 2005 2007 2008 2006 2005 2004 2005 2007 2004 |
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Avg Number of Days: | |
>= 0.01 | 6.4 6.7 6.2 5.3 4.3 3.1 9.3 12.9 7.5 7.4 5.4 7.6 | 82.1
>= 0.10 | 2.4 2.6 2.2 1.9 1.7 0.8 4.4 5.6 3.2 3.3 1.4 1.8 | 31.3
>= 0.25 | 0.8 0.4 0.9 0.5 0.6 0.1 2.4 2.9 1.9 1.5 0.6 0.5 | 13.1
>= 0.50 | 0.1 0.1 0.0 0.1 0.1 0.0 1.1 1.0 0.8 0.5 0.2 0.3 | 4.2
>= 1.00 | 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.3 0.3 0.0 0.0 0.0 | 0.8
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WIND (MPH) | Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec | Year
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Daily Avg Wind Speed| 4.5 5.4 6.4 8.1 7.3 6.9 5.1 4.4 4.7 4.8 4.4 4.4 | 5.5
Daily Avg Max 2-Min | 16.2 18.6 20.6 24.4 23.3 22.9 21.0 19.1 19.0 18.0 16.5 16.5 | 19.7
Daily Avg Peak Gust | 20.5 24.2 26.8 32.1 31.0 31.3 27.6 25.1 25.0 23.5 20.9 20.9 | 25.8
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Maximum Daily Avg | 21.3 21.9 20.8 20.8 21.0 23.5 9.2 10.3 17.9 21.2 24.4 21.7 | 24.4
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Maximum 2-Minute Avg| 44 44 39 46 43 46 36 37 38 43 44 44 | 46
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Date of Max 2min-Day| 12 02 23 09 11 06 05 16 20 11 09 14 |
-Year| 2007 2003 2002 1999 2004 2007 2003 2002 2006 2008 2002 2008 |
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Maximum Peak Gust | 60 56 56 59 61 70 49 53 52 59 55 58 | 70
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Date of Max Gust-Day| 12 15 10 09 21 06 15 16 20 11 09 14 |
-Year| 2007 2006 2006 1999 2008 2007 2005 2002 2006 2008 2002 2008 |
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Avg Number of Days: | |
Peak Gust >=30 | 4.6 7.3 10.1 17.3 16.9 16.1 10.9 7.0 8.2 6.6 3.6 5.5 | 113.9
Peak Gust >=40 | 0.9 2.1 3.0 6.6 4.3 4.1 1.7 0.8 1.5 1.9 0.7 1.8 | 29.5
Peak Gust >=50 | 0.3 0.4 0.5 1.0 0.7 0.8 0.0 0.2 0.2 0.1 0.2 0.3 | 4.7
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Max 2-Minute >=30| 1.5 1.8 3.9 7.7 5.4 3.8 1.8 1.0 1.6 2.0 1.1 0.0 | 31.5
Max 2-Minute >=40| 0.1 0.3 0.0 0.9 0.5 0.3 0.0 0.0 0.0 0.1 0.1 0.0 | 2.3
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Observations of WEATHER may me innacurate due to early ASOS inconsistancies. Average days
with Thunderstorms may be low due to early mis-detection.
Heavy Fog = Visibility less than or equal to 1/4 mile.
Fog = Visibility greater than 1/4 mile or less than 7 miles.
Peak Gust = Maximum 5-second average.
Snowfall data not observed at ASOS stations.
Copyright ©2009 Western Regional Climate Center - Desert Research Institute - Reno, Nevada.