STATION: PALMDALE-PRODN FLT/TST AF PLT (KPMD), CA
CLIMATOLOGICAL SUMMARY. Period of Record: Apr 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 | 59.0 61.0 67.6 72.2 82.7 91.3 98.4 98.0 90.5 79.1 67.2 58.3 | 77.1
Avg Min Temp | 32.1 35.1 39.6 43.6 52.2 59.2 66.4 64.9 57.5 47.6 37.5 30.7 | 47.2
Avg Temperature | 45.5 48.1 53.6 57.9 67.5 75.3 82.4 81.4 74.0 63.3 52.3 44.5 | 62.2
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Extremes: | |
Extreme Max Temp| 79 81 90 95 106 106 113 110 105 96 85 87 | 113
| |
Date of Ext-Day | 31 28 16 28 28 21 05 05 01 01 07 21 |
-Year| 2003 1999 2007 2007 2003 2008 2007 1998 2007 1999 2006 2003 |
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Extreme Min Temp| 10 20 22 26 38 44 48 48 43 31 19 11 | 10
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Date of Ext-Day | 14 12 04 10 18 03 06 08 25 12 30 24 |
-Year| 2007 1999 2002 1999 1998 1999 1998 2006 2000 2008 2004 1998 |
| |
Heating Degree Days | 604 479 356 234 69 9 0 0 9 108 380 637 | 2884
Cooling Degree Days | 0 0 3 22 145 317 540 510 279 57 0 0 | 1872
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Avg Number of Days: | |
Max Temp >= 90 | 0.0 0.0 0.1 1.2 9.7 20.0 29.2 29.1 19.3 3.6 0.0 0.0 | 112.2
Max Temp >= 75 | 0.1 1.7 8.8 12.8 23.3 28.7 31.0 31.0 28.1 21.9 6.5 0.5 | 194.3
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
| |
Min Temp <= 32 | 16.8 9.2 3.8 1.3 0.0 0.0 0.0 0.0 0.0 0.2 6.8 19.7 | 57.9
Min Temp <= 20 | 1.3 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 1.7 | 3.4
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 | 26.7 29.7 32.4 34.2 38.0 40.3 43.9 43.8 41.6 34.1 29.2 25.2 | 34.9
Avg Wet Bulb Temp | 37.5 40.1 43.9 46.7 52.3 56.5 60.6 60.1 56.3 48.9 41.9 36.5 | 48.4
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Avg Sea Level Pres | 30.12 30.05 30.00 29.94 29.87 29.83 29.85 29.85 29.85 29.95 30.07 30.14 | 29.96
(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 | 0.3 0.5 0.3 0.5 0.4 0.3 1.7 1.1 0.5 0.6 0.1 0.4 | 6.7
Heavy Fog | 0.1 0.0 0.3 0.2 0.0 0.0 0.0 0.0 0.0 0.1 0.2 0.0 | 0.9
Fog | 5.2 6.6 4.3 3.5 2.0 0.6 0.1 0.2 1.3 3.1 2.4 4.2 | 33.5
Hail | 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.1 | 0.2
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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 | 0.76 1.69 0.47 0.29 0.16 0.04 0.05 0.03 0.12 0.56 0.34 0.73 | 5.25
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Maximum Daily | 0.90 2.79 0.95 0.54 0.29 0.26 0.42 0.09 0.64 2.14 0.76 2.10 | 2.79
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Date of Ext-Day | 09 12 15 14 13 02 13 29 20 17 26 28 |
-Year| 2005 2003 2003 2003 1998 1999 1999 2000 2005 2005 2008 2004 |
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Avg Number of Days: | |
>= 0.01 | 4.5 5.8 3.6 2.7 1.3 0.4 0.6 0.9 1.0 1.6 2.4 4.4 | 29.2
>= 0.10 | 2.0 3.0 1.5 0.9 0.8 0.2 0.1 0.0 0.4 0.7 1.2 1.2 | 11.9
>= 0.25 | 0.9 2.1 0.5 0.4 0.2 0.1 0.1 0.0 0.1 0.5 0.2 0.7 | 5.8
>= 0.50 | 0.4 1.0 0.1 0.1 0.0 0.0 0.0 0.0 0.1 0.5 0.2 0.5 | 2.8
>= 1.00 | 0.0 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.2 | 0.7
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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| 7.5 8.7 10.2 11.8 11.9 11.9 10.7 9.6 8.4 8.3 7.2 7.7 | 9.5
Daily Avg Max 2-Min | 19.0 21.4 24.0 25.4 25.3 25.4 24.2 23.2 20.9 20.2 18.4 19.6 | 22.2
Daily Avg Peak Gust | 22.4 25.4 28.6 30.5 30.5 30.5 29.0 27.9 25.2 24.2 21.6 23.1 | 26.6
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Maximum Daily Avg | 24.6 22.8 23.5 26.8 24.4 25.0 21.7 16.5 21.0 23.2 21.5 21.9 | 26.8
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Maximum 2-Minute Avg| 47 46 48 47 53 49 38 44 37 43 40 46 | 53
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Date of Max 2min-Day| 02 03 20 21 04 12 13 31 22 17 22 27 |
-Year| 2006 2008 2000 1999 2007 2001 1999 1998 2000 2007 2001 2006 |
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Maximum Peak Gust | 53 59 55 54 62 55 46 55 44 49 46 56 | 62
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Date of Max Gust-Day| 02 03 20 12 04 12 13 31 19 17 22 16 |
-Year| 2006 2008 2000 2007 2007 2001 1999 1998 2007 2007 2001 2002 |
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Avg Number of Days: | |
Peak Gust >=30 | 7.0 9.6 14.8 16.8 16.4 17.4 13.6 11.7 6.6 7.8 7.0 8.7 | 137.4
Peak Gust >=40 | 1.8 2.1 2.7 2.9 2.3 1.2 0.2 0.4 0.3 1.7 1.0 2.5 | 19.1
Peak Gust >=50 | 0.1 0.1 0.3 0.3 0.1 0.2 0.0 0.2 0.0 0.0 0.0 0.6 | 1.8
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Max 2-Minute >=30| 3.6 5.4 6.8 7.2 5.9 4.9 1.9 1.5 1.0 3.1 3.2 0.0 | 44.6
Max 2-Minute >=40| 0.1 0.2 0.7 0.7 0.5 0.3 0.0 0.1 0.0 0.3 0.1 0.0 | 3.0
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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.