STATION: ROSWELL INTERNATIONAL AIR CENTER AP (KROW), NM
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 | 56.7 61.6 69.0 77.5 87.1 94.6 94.8 92.3 87.2 76.1 64.8 55.9 | 76.5
Avg Min Temp | 26.8 30.9 37.5 44.7 54.9 63.2 67.7 66.1 59.4 47.3 34.8 25.8 | 46.6
Avg Temperature | 41.8 46.3 53.3 61.1 71.0 78.9 81.3 79.2 73.3 61.7 49.8 40.9 | 61.5
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Extremes: | |
Extreme Max Temp| 81 87 91 96 107 110 111 107 103 99 88 83 | 111
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Date of Ext-Day | 03 28 21 29 24 28 29 15 06 02 19 02 |
-Year| 1997 2006 1997 2002 2000 1998 1998 2002 2000 2000 1996 2008 |
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Extreme Min Temp| 11 11 9 27 39 50 56 57 40 28 16 -6 | -6
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Date of Ext-Day | 09 14 03 18 05 17 28 30 29 27 25 27 |
-Year| 1997 2004 2002 2008 2001 1997 2005 1998 1999 1997 1999 1997 |
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Heating Degree Days | 721 529 367 159 25 0 0 0 8 153 457 748 | 3166
Cooling Degree Days | 0 0 3 41 210 416 505 441 258 50 1 0 | 1926
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Avg Number of Days: | |
Max Temp >= 90 | 0.0 0.0 0.2 2.4 13.7 22.7 26.0 22.3 12.7 2.6 0.0 0.0 | 102.7
Max Temp >= 75 | 1.9 3.9 11.0 19.9 28.1 29.7 30.8 30.8 28.0 18.6 7.0 1.2 | 210.8
Max Temp <= 32 | 0.7 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.9 | 1.9
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Min Temp <= 32 | 24.3 16.2 7.2 1.8 0.0 0.0 0.0 0.0 0.0 0.9 11.6 25.3 | 87.2
Min Temp <= 20 | 5.5 1.7 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.7 6.6 | 15.0
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 0.2 | 0.2
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Avg Dew Point Temp | 22.2 22.6 27.2 29.4 39.5 48.4 56.4 57.5 51.8 41.0 29.4 22.1 | 37.3
Avg Wet Bulb Temp | 33.4 36.3 41.7 46.4 54.5 61.3 65.1 65.2 60.3 50.3 40.2 32.9 | 49.0
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Avg Sea Level Pres | 30.08 30.04 29.99 29.96 29.88 29.87 29.86 29.88 29.91 29.98 30.06 30.08 | 29.97
(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 0.1 0.6 0.5 0.9 1.0 1.9 2.4 0.9 0.8 0.0 0.0 | 9.0
Heavy Fog | 2.2 1.5 0.8 0.2 0.2 0.1 0.0 0.1 0.4 1.9 1.5 1.6 | 10.6
Fog | 6.2 5.8 6.2 3.5 4.4 2.8 2.2 3.6 4.6 7.9 5.7 5.3 | 58.3
Hail | 0.0 0.0 0.1 0.1 0.0 0.2 0.0 0.0 0.0 0.1 0.0 0.1 | 0.5
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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 | 0.32 0.39 0.90 0.71 1.05 1.36 1.72 1.74 1.39 1.36 0.62 0.45 | 12.02
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Maximum Daily | 0.50 0.61 2.08 1.35 1.45 1.95 2.54 1.95 2.45 1.79 0.91 0.70 | 2.54
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Date of Ext-Day | 20 05 07 24 01 09 10 16 03 30 07 22 |
-Year| 2007 2005 2001 1997 1999 2006 1999 2008 2006 1998 2000 1997 |
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Avg Number of Days: | |
>= 0.01 | 2.7 3.6 4.3 2.7 3.9 6.4 7.0 7.1 5.8 6.5 3.8 3.5 | 57.2
>= 0.10 | 0.9 1.5 2.0 1.4 1.6 2.3 2.9 3.7 2.6 2.8 1.5 1.1 | 24.4
>= 0.25 | 0.7 0.7 1.1 0.8 1.2 1.7 1.5 2.2 1.6 1.5 0.8 0.6 | 14.3
>= 0.50 | 0.1 0.1 0.4 0.4 0.8 1.1 1.1 1.2 0.9 0.8 0.5 0.2 | 7.6
>= 1.00 | 0.0 0.0 0.2 0.2 0.4 0.3 0.3 0.2 0.2 0.3 0.0 0.0 | 2.2
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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| 7.3 8.8 9.6 10.6 9.9 9.9 8.3 7.5 7.9 7.9 7.2 7.4 | 8.5
Daily Avg Max 2-Min | 18.9 21.5 23.3 25.6 24.8 25.4 22.0 20.6 20.0 19.2 18.1 19.5 | 21.6
Daily Avg Peak Gust | 22.6 25.9 28.2 31.5 30.8 31.4 27.5 25.6 24.8 23.5 21.8 23.4 | 26.4
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Maximum Daily Avg | 22.1 20.7 25.6 23.7 19.3 19.1 16.9 14.5 17.3 19.9 23.7 21.6 | 25.6
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Maximum 2-Minute Avg| 43 47 48 56 78 51 49 41 43 49 48 51 | 78
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Date of Max 2min-Day| 21 19 08 15 29 23 30 09 18 21 27 08 |
-Year| 1999 2004 2005 2003 2004 2007 1997 2003 2002 2007 2006 2008 |
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Maximum Peak Gust | 54 54 56 64 78 62 59 55 53 59 62 62 | 78
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Date of Max Gust-Day| 21 08 14 15 29 20 03 09 29 21 27 08 |
-Year| 1999 2001 2008 2003 2004 2002 1997 2003 2007 2007 2006 2008 |
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Avg Number of Days: | |
Peak Gust >=30 | 6.5 9.4 12.0 16.4 15.0 16.0 10.2 7.9 7.1 6.0 5.5 7.1 | 119.2
Peak Gust >=40 | 1.9 2.9 4.1 6.7 5.6 5.8 1.9 0.9 1.1 1.2 1.0 2.8 | 36.0
Peak Gust >=50 | 0.3 0.2 1.0 1.3 0.8 0.9 0.7 0.1 0.2 0.2 0.3 0.5 | 6.5
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Max 2-Minute >=30| 3.2 4.2 6.6 9.4 8.8 7.9 3.4 2.3 2.3 2.2 2.5 0.0 | 52.7
Max 2-Minute >=40| 0.3 0.3 1.8 1.4 1.0 1.1 0.7 0.1 0.1 0.4 0.5 0.0 | 7.8
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Observations of WEATHER may me innacurate due to early ASOS inconsistancies. Average days
with Thunderstorms may be low due to 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.