STATION: ASTORIA REGIONAL AIRPORT (KAST), OR
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 | 49.5 51.3 52.8 56.1 60.6 64.0 67.9 68.7 67.2 60.6 54.5 49.3 | 58.6
Avg Min Temp | 38.2 37.4 39.0 40.9 46.3 50.5 53.8 53.9 49.5 44.9 40.8 38.2 | 44.5
Avg Temperature | 43.8 44.4 45.9 48.5 53.5 57.3 60.8 61.3 58.4 52.8 47.6 43.8 | 51.5
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Extremes: | |
Extreme Max Temp| 66 68 70 83 93 90 96 95 88 81 71 62 | 96
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Date of Ext-Day | 19 23 06 16 16 05 23 13 10 09 11 24 |
-Year| 2005 2005 2001 1999 2008 2003 2004 2002 2007 1996 1999 2005 |
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Extreme Min Temp| 20 19 28 29 34 39 43 43 36 29 25 16 | 16
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Date of Ext-Day | 13 19 22 02 09 04 11 28 23 30 29 23 |
-Year| 1997 2006 2001 2008 2006 2001 2008 2000 2000 2002 2006 1998 |
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Heating Degree Days | 656 583 591 496 361 235 135 118 202 380 521 659 | 4936
Cooling Degree Days | 0 0 0 0 3 2 6 4 4 0 0 0 | 20
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Avg Number of Days: | |
Max Temp >= 90 | 0.0 0.0 0.0 0.0 0.3 0.1 0.2 0.1 0.0 0.0 0.0 0.0 | 0.6
Max Temp >= 75 | 0.0 0.0 0.0 0.8 1.3 1.6 2.6 3.0 3.3 0.7 0.0 0.0 | 13.1
Max Temp <= 32 | 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 | 0.4
| |
Min Temp <= 32 | 5.7 5.6 3.2 1.4 0.0 0.0 0.0 0.0 0.0 0.5 3.3 5.2 | 25.0
Min Temp <= 20 | 0.1 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 | 0.5
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 0.0 | 0.0
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Avg Dew Point Temp | 39.4 38.6 40.9 42.4 47.4 51.1 54.6 54.6 52.5 47.7 43.1 39.4 | 46.0
Avg Wet Bulb Temp | 41.8 41.8 43.6 45.4 50.3 53.8 56.9 56.7 54.9 50.1 45.5 41.9 | 48.6
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Avg Sea Level Pres | 30.10 30.12 30.09 30.06 30.07 30.07 30.07 30.05 30.03 30.08 30.10 30.17 | 30.08
(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 | 1.2 1.0 0.9 0.6 0.2 0.2 0.0 0.2 0.9 1.0 1.0 1.2 | 8.3
Heavy Fog | 2.8 3.4 2.7 1.8 1.3 1.5 2.2 2.5 6.1 5.2 4.0 1.9 | 35.3
Fog | 22.5 18.2 22.4 18.1 17.6 17.2 13.9 15.4 19.8 20.6 19.6 19.7 | 225.1
Hail | 0.2 0.8 1.1 0.4 0.3 0.0 0.0 0.0 0.0 0.0 0.2 0.2 | 3.1
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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 | 12.15 6.70 8.58 4.49 3.32 2.57 1.01 1.41 2.11 6.29 11.00 11.93 | 71.55
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Maximum Daily | 2.91 1.81 2.61 1.92 1.32 1.48 1.19 1.92 2.67 2.48 5.56 2.76 | 5.56
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Date of Ext-Day | 05 22 26 15 14 28 18 22 16 31 25 24 |
-Year| 2006 1999 2005 2005 2001 2002 1996 2001 1997 2005 1998 1996 |
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Avg Number of Days: | |
>= 0.01 | 23.4 19.4 23.4 18.9 17.9 15.6 9.5 10.5 14.2 19.7 21.7 23.0 | 217.2
>= 0.10 | 19.2 13.9 16.5 11.7 9.0 7.0 2.5 2.7 4.9 12.3 16.2 18.0 | 133.7
>= 0.25 | 14.0 9.2 11.1 6.8 5.0 3.4 1.2 1.5 3.0 8.5 12.0 14.1 | 89.9
>= 0.50 | 9.4 4.5 5.3 2.5 1.9 1.3 0.4 0.8 1.0 4.1 7.8 8.3 | 47.3
>= 1.00 | 3.2 1.2 2.0 0.3 0.3 0.2 0.2 0.3 0.2 1.5 2.7 3.2 | 15.3
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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| 8.3 7.7 7.9 7.4 7.5 7.5 8.0 7.1 6.5 6.6 7.5 8.6 | 7.6
Daily Avg Max 2-Min | 20.3 18.9 19.8 18.4 17.4 17.1 17.4 16.7 16.5 17.2 19.1 20.5 | 18.3
Daily Avg Peak Gust | 26.8 24.6 25.7 23.3 22.0 21.2 21.2 20.4 20.5 22.2 25.1 27.1 | 23.3
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Maximum Daily Avg | 23.8 22.9 25.7 19.7 14.5 14.1 16.6 15.0 14.6 24.1 24.4 34.5 | 34.5
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Maximum 2-Minute Avg| 48 44 47 37 30 32 26 29 36 40 45 48 | 48
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Date of Max 2min-Day| 16 23 02 03 14 29 05 19 16 18 28 14 |
-Year| 2000 1999 1999 1999 2001 2003 2001 2008 1997 2007 2001 2006 |
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Maximum Peak Gust | 66 64 66 46 43 45 38 40 53 60 67 77 | 77
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Date of Max Gust-Day| 16 23 02 03 28 29 27 19 16 18 15 02 |
-Year| 2000 1999 1999 1999 2002 2003 2006 2008 1997 2007 2006 2007 |
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Avg Number of Days: | |
Peak Gust >=30 | 11.7 8.6 9.0 4.9 2.7 1.4 1.3 1.2 1.9 6.0 9.9 12.0 | 70.6
Peak Gust >=40 | 5.6 2.8 2.5 0.7 0.1 0.2 0.0 0.1 0.2 1.8 4.6 5.7 | 24.4
Peak Gust >=50 | 1.7 0.8 0.8 0.0 0.0 0.0 0.0 0.0 0.1 0.3 1.2 1.6 | 6.5
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Max 2-Minute >=30| 5.1 2.5 2.6 0.7 0.1 0.2 0.0 0.0 0.2 1.6 3.9 0.0 | 16.7
Max 2-Minute >=40| 0.8 0.3 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.6 0.0 | 2.0
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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.