STATION: SELDOVIA AIRPORT (PASO), AK
CLIMATOLOGICAL SUMMARY. Period of Record: Jun 1997 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 | 30.3 33.7 34.7 42.4 50.6 57.6 61.7 61.1 54.6 45.6 36.0 32.0 | 45.0
Avg Min Temp | 20.0 23.3 23.3 29.9 36.4 43.5 48.9 47.7 42.3 33.5 26.6 22.1 | 33.1
Avg Temperature | 25.1 28.5 29.0 36.2 43.5 50.6 55.3 54.4 48.5 39.6 31.3 27.0 | 39.1
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Extremes: | |
Extreme Max Temp| 47 51 47 66 68 74 82 73 64 69 55 52 | 82
| |
Date of Ext-Day | 16 01 02 29 21 26 11 01 11 11 03 03 |
-Year| 2003 2007 2003 2005 2002 1997 2004 1998 2003 2004 2002 2002 |
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Extreme Min Temp| -6 -4 1 6 24 34 37 33 28 16 4 1 | -6
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Date of Ext-Day | 31 04 10 01 05 04 01 26 19 28 24 19 |
-Year| 1999 1999 1999 2004 2001 1999 2008 1998 2003 2008 2006 2001 |
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Heating Degree Days | 1236 1032 1115 865 668 433 301 329 496 789 1012 1177 | 9451
Cooling Degree Days | 0 0 0 0 0 0 0 0 0 0 0 0 | 0
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Avg Number of Days: | |
Max Temp >= 90 | 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
Max Temp >= 75 | 0.0 0.0 0.0 0.0 0.0 0.0 0.5 0.0 0.0 0.0 0.0 0.0 | 0.5
Max Temp <= 32 | 16.6 8.0 9.7 1.0 0.1 0.0 0.0 0.0 0.0 1.1 9.1 15.5 | 61.0
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Min Temp <= 32 | 28.5 25.1 27.5 20.3 6.7 0.0 0.0 0.0 1.4 14.4 22.7 27.3 | 174.0
Min Temp <= 20 | 15.2 8.8 10.8 1.5 0.0 0.0 0.0 0.0 0.0 1.1 7.5 13.3 | 58.2
Min Temp <= 0 | 1.0 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 | 1.5
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Avg Dew Point Temp | 21.1 24.4 22.3 29.5 35.8 43.5 49.1 49.1 43.4 33.7 27.1 22.9 | 33.5
Avg Wet Bulb Temp | 24.1 27.5 27.3 33.8 40.2 47.1 51.9 51.5 46.0 36.7 29.8 25.6 | 36.8
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Avg Sea Level Pres | 30.21 30.09 30.21 30.12 30.03 29.99 29.94 30.00 30.03 30.07 30.13 30.38 | 30.10
(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 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 | 0.0
Heavy Fog | 3.3 2.8 2.7 0.5 0.3 0.4 0.7 0.5 0.1 0.7 2.6 3.7 | 18.3
Fog | 21.5 17.8 15.0 12.5 9.5 8.8 11.9 14.4 13.6 15.7 18.2 20.2 | 178.9
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 | 3.72 3.56 2.67 2.38 0.88 1.09 1.62 2.23 3.38 4.18 5.05 5.77 | 36.52
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Maximum Daily | 1.45 2.10 2.29 1.14 0.56 0.81 1.07 1.77 1.60 2.53 2.72 2.31 | 2.72
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Date of Ext-Day | 14 04 10 05 13 09 26 31 18 23 05 21 |
-Year| 2001 2003 2005 2005 2005 2006 2004 1998 1999 2002 2002 1999 |
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Avg Number of Days: | |
>= 0.01 | 16.4 14.1 11.9 12.4 9.7 9.5 12.5 13.7 14.3 15.5 15.2 16.2 | 161.3
>= 0.10 | 8.3 8.6 6.6 6.5 2.5 3.7 4.8 6.7 7.3 8.5 9.6 10.4 | 83.5
>= 0.25 | 4.5 4.2 2.9 2.9 1.2 1.1 2.0 2.9 3.9 5.3 5.8 7.0 | 43.7
>= 0.50 | 2.5 2.2 1.5 1.5 0.1 0.4 0.6 0.9 2.0 2.6 3.1 3.4 | 20.8
>= 1.00 | 0.8 0.7 0.4 0.3 0.0 0.0 0.1 0.1 0.7 0.8 1.2 1.5 | 6.6
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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| 3.6 3.6 4.5 3.8 4.2 4.3 4.2 3.6 3.6 3.6 3.4 4.0 | 3.9
Daily Avg Max 2-Min | 13.3 13.4 14.4 13.4 12.9 12.9 12.7 12.2 12.7 13.0 13.2 14.4 | 13.2
Daily Avg Peak Gust | 18.5 18.5 19.8 18.6 17.4 17.0 16.9 16.5 17.6 18.3 18.5 20.3 | 18.2
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Maximum Daily Avg | 19.3 16.9 21.2 13.8 14.3 12.4 17.0 14.4 16.3 13.0 18.3 17.3 | 21.2
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Maximum 2-Minute Avg| 36 37 37 36 29 25 29 29 35 32 36 38 | 38
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Date of Max 2min-Day| 23 02 13 02 15 18 23 11 21 06 22 20 |
-Year| 2000 2000 2003 2001 1998 2005 2003 1997 2000 1997 2007 2000 |
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Maximum Peak Gust | 52 56 53 52 41 38 39 39 48 48 64 51 | 64
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Date of Max Gust-Day| 23 10 13 02 23 18 23 11 17 07 22 20 |
-Year| 2000 2004 2003 2001 2008 2005 2003 1997 1999 2006 2007 2000 |
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Avg Number of Days: | |
Peak Gust >=30 | 3.9 3.8 3.5 2.4 0.9 0.5 0.8 1.3 1.6 2.1 4.1 5.1 | 30.0
Peak Gust >=40 | 0.5 0.7 0.4 0.5 0.1 0.0 0.0 0.0 0.4 0.3 0.7 1.2 | 4.9
Peak Gust >=50 | 0.1 0.2 0.1 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.1 | 0.6
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Max 2-Minute >=30| 0.3 0.5 0.4 0.3 0.0 0.0 0.0 0.0 0.3 0.3 0.3 0.0 | 2.2
Max 2-Minute >=40| 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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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.