STATION: BARSTOW-DAGGETT AIRPORT (KDAG), CA
CLIMATOLOGICAL SUMMARY. Period of Record: Jul 1996 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
| |
Avg Max Temp | 61.7 64.5 73.6 78.5 90.4 99.6 105.6 104.1 95.6 83.3 69.8 60.4 | 82.3
Avg Min Temp | 37.0 39.6 45.9 50.3 60.6 68.3 74.4 73.4 65.3 54.8 43.1 35.3 | 54.0
Avg Temperature | 49.3 52.1 59.8 64.4 75.5 83.9 90.0 88.8 80.5 69.0 56.5 47.9 | 68.1
| |
Extremes: | |
Extreme Max Temp| 80 83 94 99 109 114 118 114 108 100 90 80 | 118
| |
Date of Ext-Day | 02 01 20 27 28 15 05 05 01 01 08 18 |
-Year| 1997 2003 1997 2000 2000 2000 2007 1998 1996 2000 2006 1998 |
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Extreme Min Temp| 14 21 26 34 40 51 56 60 47 40 21 21 | 14
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Date of Ext-Day | 15 12 03 04 13 05 01 31 30 12 30 22 |
-Year| 2007 1999 2002 1999 1998 1999 1997 2000 2007 2008 2006 1998 |
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Heating Degree Days | 486 366 192 105 13 0 0 0 0 40 260 531 | 1993
Cooling Degree Days | 1 0 29 87 339 568 776 737 465 164 4 0 | 3170
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Avg Number of Days: | |
Max Temp >= 90 | 0.0 0.0 0.8 4.4 18.2 26.8 30.7 30.8 24.3 8.2 0.1 0.0 | 144.4
Max Temp >= 75 | 0.8 2.3 15.9 20.1 28.7 29.7 31.0 31.0 29.8 25.7 9.0 0.5 | 224.6
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 | 7.7 3.7 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.8 10.8 | 24.9
Min Temp <= 20 | 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 | 0.3
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 | 25.5 26.9 29.3 30.8 34.2 36.0 43.7 43.1 39.0 33.4 27.5 24.9 | 32.9
Avg Wet Bulb Temp | 38.7 41.2 45.7 48.5 54.6 58.4 63.6 62.5 58.1 51.1 43.3 37.8 | 50.3
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Avg Sea Level Pres | 30.11 30.03 29.97 29.89 29.81 29.79 29.79 29.80 29.83 29.91 30.05 30.12 | 29.93
(Inches of Mercury) | |
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WEATHER | Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec | Year
See disclaimer below| |
| |
Avg Number of Days: | |
Thunderstorms | 0.1 0.2 0.0 0.3 1.0 0.8 3.8 3.4 1.5 0.3 0.1 0.0 | 11.3
Heavy Fog | 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 | 0.1
Fog | 2.4 3.0 1.4 0.6 0.0 0.0 0.1 0.2 0.1 0.8 0.8 1.5 | 10.8
Hail | 0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.0 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
| |
Average Monthly | 0.37 0.72 0.36 0.26 0.04 0.07 0.34 0.06 0.13 0.10 0.52 0.28 | 3.27
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Maximum Daily | 0.51 0.66 0.60 0.57 0.29 0.27 1.17 0.18 0.72 0.55 1.57 0.71 | 1.57
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Date of Ext-Day | 03 25 02 12 23 22 24 07 04 27 30 06 |
-Year| 2005 2003 2004 1999 2008 2000 2002 2001 1998 2004 2007 1997 |
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Avg Number of Days: | |
>= 0.01 | 3.0 4.3 2.4 2.4 0.7 0.5 1.5 0.8 1.3 0.7 1.4 1.4 | 20.4
>= 0.10 | 1.3 2.3 1.1 1.1 0.1 0.3 0.8 0.3 0.3 0.3 1.0 0.8 | 9.7
>= 0.25 | 0.5 1.1 0.5 0.3 0.1 0.1 0.4 0.0 0.2 0.2 0.6 0.4 | 4.2
>= 0.50 | 0.1 0.3 0.3 0.1 0.0 0.0 0.2 0.0 0.1 0.1 0.4 0.3 | 1.8
>= 1.00 | 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.0 0.0 0.2 0.0 | 0.2
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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| 7.8 9.2 11.6 14.5 13.7 13.7 11.3 10.5 10.2 9.4 8.2 7.6 | 10.6
Daily Avg Max 2-Min | 18.9 20.4 23.6 27.4 26.4 26.3 24.2 23.0 21.5 19.8 18.5 18.4 | 22.4
Daily Avg Peak Gust | 22.4 24.4 28.4 33.2 32.0 32.0 29.3 27.6 26.0 23.7 21.8 21.6 | 26.9
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Maximum Daily Avg | 26.7 28.1 30.4 31.5 30.8 33.1 22.0 22.2 27.0 30.0 28.4 27.6 | 33.1
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Maximum 2-Minute Avg| 46 58 54 48 51 55 39 46 44 48 46 47 | 58
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Date of Max 2min-Day| 28 03 13 20 04 04 16 25 03 16 22 27 |
-Year| 2008 2008 2002 2008 2007 2008 2002 2000 2003 2007 2001 2006 |
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Maximum Peak Gust | 58 71 64 58 60 63 52 62 54 55 54 56 | 71
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Date of Max Gust-Day| 28 03 13 12 04 04 06 25 15 16 14 25 |
-Year| 2008 2008 2002 2007 2007 2008 2007 2000 2006 2007 2006 2008 |
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Avg Number of Days: | |
Peak Gust >=30 | 7.2 8.4 13.2 19.0 18.6 18.7 12.7 11.0 9.2 6.2 5.7 6.3 | 136.2
Peak Gust >=40 | 3.0 2.8 5.1 8.4 5.4 3.7 1.4 1.1 2.1 1.6 2.2 3.6 | 40.4
Peak Gust >=50 | 0.4 0.5 1.4 1.9 1.1 0.6 0.1 0.2 0.2 0.5 0.7 0.7 | 8.3
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Max 2-Minute >=30| 4.0 4.7 8.3 12.5 9.2 6.9 3.4 2.7 4.0 3.5 3.2 0.0 | 62.4
Max 2-Minute >=40| 0.8 0.9 2.0 2.7 2.1 0.8 0.0 0.1 0.2 0.7 1.0 0.0 | 11.2
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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.