STATION: ALAMOSA-SAN LUIS VALLEY REGIONAL AIRPORT (KALS), C
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
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Avg Max Temp | 36.1 40.1 51.8 59.9 70.8 79.9 83.4 80.2 73.9 62.2 48.7 36.3 | 60.3
Avg Min Temp | 0.2 6.3 17.0 24.3 33.0 39.7 47.4 46.1 36.7 24.8 12.5 1.3 | 24.1
Avg Temperature | 18.1 23.2 34.4 42.1 51.9 59.8 65.4 63.1 55.3 43.5 30.6 18.8 | 42.2
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Extremes: | |
Extreme Max Temp| 60 64 72 77 90 92 93 91 86 79 70 58 | 93
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Date of Ext-Day | 16 28 21 22 31 29 13 17 05 02 08 03 |
-Year| 2000 2006 1997 2006 2002 1998 2003 2002 2000 2000 2005 1998 |
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Extreme Min Temp| -32 -26 -14 3 13 24 30 30 15 -7 -21 -33 | -33
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Date of Ext-Day | 17 07 02 17 02 09 02 25 29 22 30 29 |
-Year| 2008 2004 2002 1999 2008 2008 1997 2002 1999 1996 2006 2007 |
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Heating Degree Days | 1453 1181 949 688 407 161 31 74 292 665 1032 1431 | 8365
Cooling Degree Days | 0 0 0 0 0 4 43 17 0 0 0 0 | 64
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Avg Number of Days: | |
Max Temp >= 90 | 0.0 0.0 0.0 0.0 0.1 0.4 3.3 0.2 0.0 0.0 0.0 0.0 | 3.9
Max Temp >= 75 | 0.0 0.0 0.0 0.8 11.6 24.1 29.4 27.6 16.7 2.2 0.0 0.0 | 112.4
Max Temp <= 32 | 12.1 6.1 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 2.3 11.2 | 32.9
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Min Temp <= 32 | 30.9 28.2 30.5 27.3 14.1 2.8 0.1 0.2 8.5 26.0 29.8 30.9 | 229.4
Min Temp <= 20 | 29.7 25.7 19.9 7.8 1.1 0.0 0.0 0.0 0.3 9.3 24.9 29.8 | 148.3
Min Temp <= 0 | 15.6 8.2 1.2 0.0 0.0 0.0 0.0 0.0 0.0 0.1 2.9 14.7 | 42.6
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Avg Dew Point Temp | 7.3 10.8 15.8 18.3 25.5 32.0 43.8 43.9 34.9 24.4 14.4 6.8 | 23.1
Avg Wet Bulb Temp | 14.4 19.1 27.5 32.9 40.5 46.1 52.7 51.4 44.9 35.0 24.1 14.4 | 33.6
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Avg Sea Level Pres | 30.25 30.17 30.07 29.98 29.95 29.94 30.03 30.06 30.04 30.09 30.20 30.24 | 30.09
(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 0.2 0.7 3.2 7.7 10.9 17.5 17.8 8.6 2.8 0.3 0.1 | 69.7
Heavy Fog | 5.7 3.4 3.2 1.9 1.2 0.7 1.3 1.9 1.1 1.8 1.5 3.1 | 26.9
Fog | 11.3 8.8 7.0 5.3 3.0 2.3 4.3 5.9 4.3 5.2 4.8 6.4 | 68.6
Hail | 0.0 0.0 0.0 0.0 0.1 0.0 0.1 0.0 0.0 0.0 0.0 0.0 | 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 | 0.28 0.26 0.44 0.58 0.37 0.32 1.15 1.31 0.83 0.75 0.27 0.25 | 6.81
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Maximum Daily | 0.38 0.24 0.88 0.79 0.51 0.35 1.49 0.78 1.17 0.85 0.43 0.34 | 1.49
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Date of Ext-Day | 27 28 24 30 04 30 19 21 09 08 10 01 |
-Year| 2005 2001 2007 1999 2001 2004 2007 2001 2003 2006 2008 2007 |
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Avg Number of Days: | |
>= 0.01 | 3.9 4.2 4.2 5.1 4.8 4.6 8.8 11.6 7.2 5.5 3.2 3.5 | 66.5
>= 0.10 | 1.1 1.0 1.3 1.8 1.4 1.3 3.1 3.6 2.6 2.4 0.8 0.8 | 21.2
>= 0.25 | 0.1 0.0 0.4 0.7 0.3 0.2 1.5 1.7 0.9 0.9 0.3 0.2 | 7.1
>= 0.50 | 0.0 0.0 0.2 0.1 0.1 0.0 0.5 0.5 0.2 0.3 0.0 0.0 | 1.9
>= 1.00 | 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.1 0.0 0.0 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| 5.6 6.6 8.3 10.3 9.5 8.8 6.6 6.2 6.7 6.7 5.8 5.5 | 7.2
Daily Avg Max 2-Min | 15.6 18.2 22.7 27.4 26.1 26.1 23.3 22.4 21.3 19.2 16.2 15.7 | 21.2
Daily Avg Peak Gust | 18.5 22.0 27.7 34.2 32.6 32.6 28.7 27.6 26.4 23.5 19.4 18.8 | 26.0
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Maximum Daily Avg | 22.9 21.4 22.8 22.4 23.7 27.2 13.1 13.9 19.0 24.7 19.8 29.5 | 29.5
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Maximum 2-Minute Avg| 41 44 49 51 47 52 45 39 54 45 45 43 | 54
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Date of Max 2min-Day| 26 15 31 09 11 06 17 06 08 31 11 20 |
-Year| 1999 2006 1999 1999 2004 2007 2006 2007 2000 1997 2005 1998 |
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Maximum Peak Gust | 54 62 60 75 56 67 63 56 67 54 52 55 | 75
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Date of Max Gust-Day| 26 24 31 09 14 06 06 18 08 31 11 09 |
-Year| 1999 1998 1999 1999 2002 2007 2003 2002 2000 1997 2005 2008 |
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Avg Number of Days: | |
Peak Gust >=30 | 5.6 8.0 13.6 20.2 20.3 19.1 13.5 12.0 10.9 8.5 5.7 5.9 | 143.2
Peak Gust >=40 | 1.5 1.6 3.4 8.2 6.3 6.1 2.7 1.7 2.1 1.9 1.0 1.8 | 38.3
Peak Gust >=50 | 0.1 0.2 0.7 1.5 1.0 1.1 0.5 0.2 0.2 0.4 0.1 0.2 | 6.1
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Max 2-Minute >=30| 2.1 3.3 6.5 12.1 9.8 8.5 4.9 4.2 3.3 4.0 2.4 0.0 | 61.2
Max 2-Minute >=40| 0.2 0.4 0.9 1.8 0.9 0.8 0.4 0.0 0.3 0.4 0.2 0.0 | 6.3
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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.