STATION: PHOENIX DEER VALLEY ARPT (KDVT), AZ
CLIMATOLOGICAL SUMMARY. Period of Record: Sep 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 | 65.8 68.0 74.7 81.9 93.3 102.3 104.2 101.8 97.9 86.3 74.3 64.2 | 84.6
Avg Min Temp | 43.7 45.5 50.3 56.1 65.7 74.4 81.2 80.3 74.7 62.9 51.2 42.3 | 60.7
Avg Temperature | 54.8 56.8 62.5 69.0 79.5 88.3 92.7 91.1 86.3 74.6 62.7 53.2 | 72.6
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Extremes: | |
Extreme Max Temp| 82 85 97 100 110 113 116 111 109 102 93 79 | 116
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Date of Ext-Day | 31 08 16 28 29 29 21 26 14 01 04 16 |
-Year| 2003 2006 2007 2007 2000 2001 2006 2001 2000 2003 2001 1998 |
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Extreme Min Temp| 22 33 32 37 47 57 66 69 58 43 32 28 | 22
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Date of Ext-Day | 14 05 03 02 01 05 01 31 21 13 30 29 |
-Year| 2007 2008 2002 1999 1999 1999 2004 2000 2004 2008 2006 2003 |
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Heating Degree Days | 319 234 135 40 2 0 0 0 0 10 124 366 | 1230
Cooling Degree Days | 1 2 57 160 450 700 859 808 640 306 56 1 | 4041
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Avg Number of Days: | |
Max Temp >= 90 | 0.0 0.0 1.0 6.2 22.1 29.2 30.8 30.5 27.9 12.6 0.9 0.0 | 161.3
Max Temp >= 75 | 4.3 6.2 16.1 24.5 30.5 29.9 31.0 31.0 30.0 28.4 15.5 1.8 | 249.2
Max Temp <= 32 | 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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Min Temp <= 32 | 0.8 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 1.0 | 2.0
Min Temp <= 20 | 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
Min Temp <= 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 | 0.0
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Avg Dew Point Temp | 28.5 29.7 31.7 30.5 32.8 37.8 54.7 57.5 48.8 38.8 30.6 28.0 | 37.4
Avg Wet Bulb Temp | 43.5 45.2 48.5 51.1 56.2 61.1 68.9 69.7 64.4 55.7 48.0 42.3 | 54.5
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Avg Sea Level Pres | 30.05 30.00 29.92 29.86 29.78 29.76 29.78 29.79 29.77 29.86 29.98 30.05 | 29.88
(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 | 1.1 1.4 1.6 1.1 0.5 1.4 5.5 5.2 2.6 1.9 0.8 0.5 | 23.6
Heavy Fog | 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.1 0.0 0.0 | 0.2
Fog | 2.7 2.8 2.3 1.2 0.0 0.1 1.4 1.1 0.7 1.6 1.2 2.4 | 17.4
Hail | 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.0 0.0 0.0 | 0.1
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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 | 1.00 1.16 0.90 0.48 0.11 0.05 1.00 0.88 0.65 0.63 0.56 0.68 | 8.09
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Maximum Daily | 1.40 2.24 1.41 1.75 0.68 0.24 1.56 1.53 1.09 0.75 1.86 0.99 | 2.24
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Date of Ext-Day | 27 13 11 02 23 02 26 24 03 22 30 29 |
-Year| 2008 2003 2006 2004 2008 1999 2005 2006 2005 2000 2007 2004 |
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Avg Number of Days: | |
>= 0.01 | 3.7 4.8 3.6 2.1 0.7 0.5 3.9 4.5 3.1 2.8 2.5 3.6 | 35.8
>= 0.10 | 1.6 2.7 1.6 1.2 0.3 0.3 2.2 1.9 1.5 1.9 1.0 2.1 | 18.4
>= 0.25 | 1.2 1.3 1.0 0.4 0.1 0.0 1.0 0.9 0.9 1.1 0.6 1.0 | 9.5
>= 0.50 | 0.6 0.7 0.7 0.2 0.1 0.0 0.7 0.4 0.5 0.3 0.2 0.3 | 4.6
>= 1.00 | 0.3 0.1 0.2 0.1 0.0 0.0 0.2 0.3 0.1 0.0 0.2 0.0 | 1.5
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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| 4.8 5.1 5.9 6.9 6.6 6.7 6.9 6.3 6.2 5.6 4.8 4.4 | 5.8
Daily Avg Max 2-Min | 14.6 15.6 16.6 18.4 17.9 18.6 20.6 19.5 17.4 15.5 14.3 14.2 | 16.9
Daily Avg Peak Gust | 17.3 18.7 20.4 23.3 23.0 24.0 26.3 24.7 21.6 18.9 17.2 17.0 | 21.0
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Maximum Daily Avg | 15.6 14.3 13.7 15.6 15.0 13.6 12.3 11.7 12.7 15.7 14.2 12.5 | 15.7
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Maximum 2-Minute Avg| 30 44 33 47 36 43 56 45 48 35 30 32 | 56
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Date of Max 2min-Day| 21 21 27 28 13 07 14 10 03 05 22 20 |
-Year| 1999 2000 2007 2007 2008 2006 2002 1999 2006 2006 2003 2002 |
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Maximum Peak Gust | 40 49 43 60 45 54 72 55 58 43 39 43 | 72
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Date of Max Gust-Day| 21 21 27 28 13 23 14 10 03 21 09 25 |
-Year| 1999 2000 2007 2007 2008 2005 2002 1999 2006 2007 1998 2007 |
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Avg Number of Days: | |
Peak Gust >=30 | 0.9 1.9 2.8 4.9 3.9 3.9 8.0 6.6 3.8 2.1 1.5 1.6 | 41.8
Peak Gust >=40 | 0.1 0.4 0.2 1.2 0.5 0.5 2.9 2.0 1.0 0.4 0.0 0.2 | 9.4
Peak Gust >=50 | 0.0 0.0 0.0 0.4 0.0 0.1 1.0 0.9 0.2 0.0 0.0 0.0 | 2.6
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Max 2-Minute >=30| 0.3 0.6 0.8 1.9 0.6 0.7 3.6 2.8 1.5 0.4 0.1 0.0 | 13.2
Max 2-Minute >=40| 0.0 0.1 0.0 0.2 0.0 0.1 0.8 0.5 0.1 0.0 0.0 0.0 | 1.8
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Observations of WEATHER may me innacurate due to early ASOS inconsistancies. Average days
with Thunderstorms may be low due to poor 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.