STATION: MILES CITY-FRANK WILEY FIELD AIRPORT (KMLS), MT
CLIMATOLOGICAL SUMMARY. Period of Record: Nov 2000 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 | 32.8 34.2 46.3 59.7 67.9 78.4 91.8 87.9 75.1 59.0 45.4 33.5 | 59.3
Avg Min Temp | 11.2 12.3 22.6 33.9 42.9 52.7 61.9 58.0 47.0 34.2 21.5 11.5 | 34.1
Avg Temperature | 22.0 23.3 34.5 46.8 55.4 65.5 76.9 72.9 61.0 46.6 33.4 22.5 | 46.7
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Extremes: | |
Extreme Max Temp| 63 68 83 85 97 105 113 107 103 94 75 62 | 113
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Date of Ext-Day | 08 22 31 27 13 28 18 11 04 01 07 04 |
-Year| 2002 2002 2004 2001 2001 2002 2003 2003 2007 2005 2006 2007 |
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Extreme Min Temp| -34 -18 -22 7 17 34 48 39 25 6 -18 -24 | -34
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Date of Ext-Day | 14 24 21 03 13 18 06 17 30 31 23 12 |
-Year| 2005 2003 2002 2002 2004 2004 2004 2002 2003 2006 2003 2000 |
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Heating Degree Days | 1332 1179 947 547 315 87 2 17 182 574 947 1317 | 7446
Cooling Degree Days | 0 0 0 1 18 103 366 263 63 3 0 0 | 817
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Avg Number of Days: | |
Max Temp >= 90 | 0.0 0.0 0.0 0.0 0.6 3.8 19.1 15.0 4.0 0.1 0.0 0.0 | 42.7
Max Temp >= 75 | 0.0 0.0 0.4 3.4 9.5 19.2 30.6 28.6 15.6 3.8 0.1 0.0 | 111.2
Max Temp <= 32 | 13.4 11.2 4.5 0.1 0.0 0.0 0.0 0.0 0.0 1.0 6.1 11.2 | 47.6
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Min Temp <= 32 | 30.4 27.7 26.5 12.2 4.1 0.0 0.0 0.0 0.6 11.7 25.7 30.4 | 169.4
Min Temp <= 20 | 21.4 19.0 9.1 1.6 0.1 0.0 0.0 0.0 0.0 2.0 11.7 22.4 | 87.2
Min Temp <= 0 | 7.6 6.0 2.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.4 6.2 | 23.4
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Avg Dew Point Temp | 13.9 14.7 22.3 30.5 39.0 48.2 50.5 46.8 40.4 30.8 21.1 13.6 | 31.0
Avg Wet Bulb Temp | 19.3 20.3 29.6 39.5 47.3 55.9 61.4 57.7 50.2 39.1 28.3 19.5 | 39.0
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Avg Sea Level Pres | 30.14 30.13 30.09 30.07 30.03 29.93 29.89 29.92 30.00 30.07 30.12 30.12 | 30.04
(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 | 0.1 0.0 0.0 1.8 4.6 7.6 6.9 4.5 1.6 0.1 0.0 0.1 | 27.4
Heavy Fog | 2.4 1.1 3.2 1.5 0.8 0.9 0.2 0.1 0.6 0.4 1.0 2.3 | 14.6
Fog | 11.6 10.9 11.1 8.8 8.9 7.5 3.1 1.8 4.1 5.9 6.0 8.2 | 87.9
Hail | 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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PRECIPITATION (In) | Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec | Year
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Average Monthly | 0.10 0.19 0.67 1.12 2.57 2.59 1.35 0.61 1.00 1.09 0.21 0.17 | 11.67
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Maximum Daily | 0.11 0.17 1.20 1.33 1.34 2.02 1.72 0.66 0.93 0.96 0.23 0.34 | 2.02
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Date of Ext-Day | 15 08 30 06 07 06 31 29 22 04 12 27 |
-Year| 2003 2002 2006 2006 2005 2007 2001 2002 2006 2005 2005 2003 |
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Avg Number of Days: | |
>= 0.01 | 3.2 4.1 6.0 8.2 12.3 12.4 6.7 6.3 7.9 7.2 4.6 3.2 | 82.3
>= 0.10 | 0.2 0.5 1.2 3.5 6.7 5.9 3.2 1.5 2.0 2.8 0.6 0.3 | 28.4
>= 0.25 | 0.0 0.0 0.8 1.4 3.4 3.3 1.7 0.8 1.4 1.5 0.0 0.2 | 14.3
>= 0.50 | 0.0 0.0 0.4 0.2 1.3 1.8 0.9 0.3 0.6 0.8 0.0 0.0 | 6.2
>= 1.00 | 0.0 0.0 0.1 0.1 0.3 0.3 0.1 0.0 0.0 0.0 0.0 0.0 | 0.9
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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| 8.8 9.3 10.3 10.6 11.2 9.9 9.3 9.4 9.2 9.4 9.4 9.1 | 9.7
Daily Avg Max 2-Min | 19.3 19.5 21.8 23.7 24.4 23.7 23.2 22.2 20.4 20.6 20.2 19.5 | 21.5
Daily Avg Peak Gust | 22.8 23.2 26.4 29.2 30.1 29.7 29.3 28.1 25.4 25.1 24.3 23.1 | 26.4
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Maximum Daily Avg | 24.1 22.7 24.5 30.0 23.9 23.3 20.1 19.5 22.9 20.7 23.4 27.0 | 30.0
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Maximum 2-Minute Avg| 44 52 47 45 63 68 53 55 47 40 49 48 | 68
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Date of Max 2min-Day| 13 11 12 18 13 20 26 02 01 13 18 17 |
-Year| 2002 2002 2002 2006 2007 2005 2001 2008 2004 2001 2005 2003 |
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Maximum Peak Gust | 59 63 56 58 77 82 67 87 71 47 59 64 | 87
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Date of Max Gust-Day| 13 11 12 18 13 20 26 02 01 13 18 20 |
-Year| 2002 2002 2002 2006 2007 2005 2001 2008 2004 2001 2005 2004 |
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Avg Number of Days: | |
Peak Gust >=30 | 6.9 6.2 9.1 14.2 15.3 13.4 13.1 10.2 8.6 8.5 8.4 7.4 | 121.6
Peak Gust >=40 | 2.1 1.6 3.8 4.2 5.1 4.0 3.6 3.4 1.0 2.1 2.4 2.9 | 36.4
Peak Gust >=50 | 0.3 0.5 0.5 0.8 1.0 0.9 1.1 1.4 0.3 0.0 0.4 0.7 | 7.8
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Max 2-Minute >=30| 3.8 2.2 5.5 6.2 7.8 6.5 4.9 4.8 2.3 3.9 4.6 0.0 | 52.4
Max 2-Minute >=40| 0.4 0.4 1.0 0.8 1.5 0.8 1.5 1.2 0.3 0.1 0.6 0.0 | 8.5
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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.