STATION: WENATCHEE-PANGBORN MEMORIAL AIRPORT (KEAT), WA
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 | 35.1 43.3 53.7 62.9 71.8 79.0 89.1 87.3 77.6 61.8 45.2 34.1 | 61.7
Avg Min Temp | 24.1 27.7 34.1 40.0 48.1 54.6 61.5 60.3 51.7 40.5 31.2 24.1 | 41.5
Avg Temperature | 29.6 35.5 43.9 51.5 59.9 66.8 75.3 73.8 64.7 51.1 38.2 29.1 | 51.6
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Extremes: | |
Extreme Max Temp| 68 63 73 88 97 102 108 104 100 82 66 58 | 108
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Date of Ext-Day | 24 22 30 30 18 29 27 17 02 02 04 16 |
-Year| 2004 2002 2003 1998 2006 2008 1998 2008 1998 2003 2007 1999 |
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Extreme Min Temp| -8 8 21 25 33 42 47 45 33 15 9 -7 | -8
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Date of Ext-Day | 05 08 07 21 06 07 18 31 23 30 30 20 |
-Year| 2004 1997 2002 2008 2002 2002 1996 1999 2000 2002 2006 2008 |
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Heating Degree Days | 1097 833 654 407 189 53 5 6 86 430 804 1113 | 5678
Cooling Degree Days | 0 0 0 1 32 105 323 280 76 1 0 0 | 817
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Avg Number of Days: | |
Max Temp >= 90 | 0.0 0.0 0.0 0.0 1.1 4.1 15.3 12.8 2.1 0.0 0.0 0.0 | 35.4
Max Temp >= 75 | 0.0 0.0 0.0 2.5 11.1 20.1 29.5 29.3 18.8 1.6 0.0 0.0 | 112.9
Max Temp <= 32 | 9.7 1.7 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.4 12.4 | 26.3
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Min Temp <= 32 | 28.0 22.5 11.1 2.5 0.0 0.0 0.0 0.0 0.0 3.0 17.4 27.8 | 112.2
Min Temp <= 20 | 8.3 3.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 2.3 8.2 | 22.1
Min Temp <= 0 | 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 | 0.5
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Avg Dew Point Temp | 24.9 26.1 29.0 31.1 37.4 41.4 45.0 45.5 40.6 35.8 30.8 25.2 | 34.4
Avg Wet Bulb Temp | 27.6 31.6 37.6 42.1 49.0 53.5 58.6 58.0 52.0 43.9 34.8 27.6 | 43.0
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Avg Sea Level Pres | 30.18 30.15 30.08 29.99 29.97 29.94 29.91 29.91 29.96 30.08 30.19 30.19 | 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 | 0.0 0.0 0.1 0.4 1.5 1.9 1.4 0.9 0.4 0.1 0.0 0.0 | 6.7
Heavy Fog | 9.8 4.8 1.8 0.0 0.0 0.0 0.0 0.0 0.0 0.7 3.5 7.6 | 28.3
Fog | 14.3 7.6 4.0 1.1 1.3 0.8 0.1 0.2 0.2 1.4 9.0 14.5 | 54.5
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 | 1.05 0.91 0.49 0.39 0.70 0.38 0.17 0.12 0.10 0.30 1.05 1.51 | 7.17
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Maximum Daily | 0.76 0.70 0.40 0.49 0.86 0.42 0.46 0.22 0.14 0.36 1.03 0.98 | 1.03
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Date of Ext-Day | 17 03 25 01 20 27 03 22 15 17 19 14 |
-Year| 1998 1998 2004 2006 2007 2001 1998 2001 1996 2004 1996 2006 |
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Avg Number of Days: | |
>= 0.01 | 10.2 7.7 5.1 3.6 6.1 3.8 1.9 1.8 1.9 4.6 9.5 11.2 | 67.4
>= 0.10 | 3.8 3.3 2.0 1.4 2.2 1.4 0.5 0.4 0.2 1.1 3.2 5.1 | 24.5
>= 0.25 | 1.2 1.1 0.4 0.5 0.8 0.5 0.2 0.0 0.0 0.2 1.5 1.9 | 8.3
>= 0.50 | 0.1 0.2 0.0 0.0 0.2 0.0 0.0 0.0 0.0 0.0 0.3 0.4 | 1.2
>= 1.00 | 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 | 0.1
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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| 3.3 4.4 7.0 8.4 9.4 10.2 10.3 9.1 8.0 5.9 4.0 3.3 | 6.9
Daily Avg Max 2-Min | 12.0 13.9 18.9 19.8 20.9 21.3 21.1 19.6 18.6 16.9 13.2 11.6 | 17.3
Daily Avg Peak Gust | 14.4 16.8 23.1 24.2 25.3 25.9 25.1 23.7 22.5 20.4 16.1 14.0 | 21.0
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Maximum Daily Avg | 15.2 15.0 17.5 19.1 20.9 21.6 21.7 20.0 18.7 19.5 14.0 14.3 | 21.7
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Maximum 2-Minute Avg| 51 35 41 39 41 37 37 33 36 45 33 36 | 51
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Date of Max 2min-Day| 07 07 05 27 01 07 26 02 04 28 19 14 |
-Year| 2007 2008 2003 2004 2006 2008 2002 2004 2004 2003 2003 2001 |
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Maximum Peak Gust | 72 51 51 48 48 48 45 41 58 52 41 48 | 72
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Date of Max Gust-Day| 07 07 05 27 01 11 26 18 18 28 12 15 |
-Year| 2007 2008 2003 2004 2006 2007 2002 2008 2008 2003 2007 2006 |
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Avg Number of Days: | |
Peak Gust >=30 | 2.3 3.3 7.4 6.0 9.4 9.5 7.8 5.6 5.6 4.8 2.7 1.7 | 66.1
Peak Gust >=40 | 0.8 0.8 2.0 1.0 1.4 1.0 0.4 0.3 0.5 0.7 0.3 0.5 | 9.5
Peak Gust >=50 | 0.5 0.1 0.1 0.0 0.0 0.0 0.0 0.0 0.1 0.1 0.0 0.0 | 1.0
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Max 2-Minute >=30| 0.8 1.4 3.5 2.1 2.5 2.8 1.6 1.4 2.1 1.6 0.9 0.0 | 20.7
Max 2-Minute >=40| 0.5 0.0 0.1 0.0 0.1 0.0 0.0 0.0 0.0 0.1 0.0 0.0 | 0.9
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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.