STATION: DEER PARK AIRPORT (KDEW), WA
CLIMATOLOGICAL SUMMARY. Period of Record: Nov 1998 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 | 33.6 39.1 48.0 57.3 66.0 72.9 85.0 84.1 73.3 57.9 42.6 33.1 | 57.8
Avg Min Temp | 21.8 21.8 27.1 31.5 38.2 44.0 47.5 46.5 38.3 30.4 26.8 20.8 | 32.9
Avg Temperature | 27.7 30.4 37.6 44.4 52.1 58.5 66.2 65.3 55.8 44.2 34.7 27.0 | 45.3
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Extremes: | |
Extreme Max Temp| 54 58 69 78 91 96 102 103 95 82 64 57 | 103
| |
Date of Ext-Day | 26 27 20 25 16 29 12 17 03 04 12 28 |
-Year| 2003 2005 1999 2005 2006 2008 2002 2008 2006 2003 1999 2008 |
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Extreme Min Temp| -28 -4 1 13 20 31 32 32 18 0 -7 -17 | -28
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Date of Ext-Day | 05 08 02 01 01 10 31 20 23 31 22 20 |
-Year| 2004 2001 2007 2008 2008 1999 2006 2000 2000 2002 2003 2008 |
| |
Heating Degree Days | 1157 976 850 618 405 216 58 72 283 646 909 1179 | 7369
Cooling Degree Days | 0 0 0 0 5 21 97 81 8 0 0 0 | 211
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Avg Number of Days: | |
Max Temp >= 90 | 0.0 0.0 0.0 0.0 0.3 1.4 10.0 8.1 1.3 0.0 0.0 0.0 | 21.1
Max Temp >= 75 | 0.0 0.0 0.0 1.0 5.4 12.5 27.6 26.3 14.0 1.0 0.0 0.0 | 87.7
Max Temp <= 32 | 12.7 3.0 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 3.3 12.3 | 31.6
| |
Min Temp <= 32 | 27.9 26.0 25.6 17.9 7.6 0.5 0.2 0.2 5.6 19.1 21.6 28.7 | 180.9
Min Temp <= 20 | 10.5 11.6 3.5 0.8 0.1 0.0 0.0 0.0 0.1 2.6 6.7 12.1 | 47.9
Min Temp <= 0 | 1.9 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.2 1.6 | 4.0
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Avg Dew Point Temp | 25.2 25.2 28.9 32.2 38.6 44.7 44.8 42.9 38.4 33.5 30.1 24.4 | 34.1
Avg Wet Bulb Temp | 27.2 28.7 34.0 39.3 45.8 51.6 54.8 53.3 47.0 39.4 33.0 26.7 | 40.1
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Avg Sea Level Pres | 30.16 30.14 30.08 30.01 29.99 29.96 29.94 29.94 29.99 30.10 30.18 30.20 | 30.06
(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 | 0.0 0.0 0.3 0.9 2.7 2.6 2.2 1.5 0.5 0.2 0.0 0.0 | 10.9
Heavy Fog | 8.6 5.9 3.6 1.3 1.1 1.1 0.2 0.7 1.1 4.3 5.1 6.3 | 39.3
Fog | 23.4 15.8 13.2 10.2 9.2 7.7 3.0 3.0 5.2 15.1 17.4 19.2 | 142.3
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 | 3.12 1.81 1.95 1.59 1.64 1.74 0.39 0.67 0.75 1.36 3.00 3.56 | 21.57
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Maximum Daily | 2.01 1.17 1.15 1.24 0.90 1.72 0.92 1.28 1.04 0.91 0.90 1.35 | 2.01
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Date of Ext-Day | 10 01 27 13 14 25 09 24 08 16 10 03 |
-Year| 2006 2000 2005 2000 2001 1999 2005 2004 2003 2006 2006 2007 |
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Avg Number of Days: | |
>= 0.01 | 17.1 11.1 13.3 11.4 12.1 9.7 4.1 4.5 4.7 7.8 14.6 15.5 | 126.1
>= 0.10 | 8.4 5.5 6.1 5.0 5.3 4.6 1.0 1.7 2.4 3.8 9.4 9.7 | 62.9
>= 0.25 | 3.9 2.3 2.8 1.9 2.6 2.0 0.4 1.0 0.8 2.0 4.6 5.2 | 29.5
>= 0.50 | 1.4 0.6 1.1 0.5 0.4 0.8 0.1 0.3 0.3 0.8 1.3 2.2 | 9.8
>= 1.00 | 0.2 0.3 0.1 0.2 0.0 0.2 0.0 0.1 0.1 0.0 0.0 0.3 | 1.5
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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| 5.1 5.3 6.3 6.5 6.6 6.3 5.8 5.5 5.0 5.1 5.2 5.0 | 5.6
Daily Avg Max 2-Min | 13.8 14.1 17.3 18.3 18.5 17.0 16.7 15.9 14.8 14.3 13.7 13.4 | 15.6
Daily Avg Peak Gust | 16.6 17.0 21.3 23.3 23.3 21.6 21.5 20.9 19.0 17.7 16.8 16.4 | 19.6
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Maximum Daily Avg | 18.0 18.0 18.0 20.7 17.1 14.8 15.0 13.0 15.7 17.3 21.2 19.1 | 21.2
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Maximum 2-Minute Avg| 41 40 47 45 54 38 64 38 33 35 43 43 | 64
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Date of Max 2min-Day| 06 02 26 07 24 21 17 18 08 31 19 15 |
-Year| 2007 1999 2008 2008 2003 2005 2008 2008 2000 1999 2003 2006 |
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Maximum Peak Gust | 54 46 62 90 56 47 85 45 45 43 55 55 | 90
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Date of Max Gust-Day| 06 02 26 07 24 21 17 12 08 31 19 15 |
-Year| 2007 1999 2008 2008 2003 2005 2008 2005 2000 1999 2003 2006 |
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Avg Number of Days: | |
Peak Gust >=30 | 2.4 2.4 5.3 5.8 6.3 3.0 3.0 3.0 2.4 1.8 2.6 2.6 | 40.6
Peak Gust >=40 | 0.7 0.5 1.2 1.7 1.0 0.5 0.8 0.3 0.1 0.3 0.5 0.4 | 8.1
Peak Gust >=50 | 0.1 0.0 0.1 0.3 0.1 0.0 0.4 0.0 0.0 0.0 0.1 0.2 | 1.3
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Max 2-Minute >=30| 0.8 0.9 1.7 1.5 1.5 0.4 0.8 0.5 0.2 0.6 1.0 0.0 | 10.0
Max 2-Minute >=40| 0.1 0.1 0.1 0.2 0.2 0.0 0.3 0.0 0.0 0.0 0.1 0.0 | 1.1
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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.