STATION: DELTA JUNCTION/FT-ALLEN ARMY AIRFIELD (PABI), AK
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 | 5.9 17.4 23.7 42.7 57.2 68.2 68.8 63.9 52.2 32.3 15.4 8.6 | 38.0
Avg Min Temp | -8.3 1.3 2.7 23.2 36.6 49.2 51.2 45.9 35.6 19.0 2.1 -5.3 | 21.1
Avg Temperature | -1.2 9.4 13.2 33.0 46.9 58.7 60.0 54.9 43.9 25.6 8.8 1.6 | 29.6
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Extremes: | |
Extreme Max Temp| 53 51 65 68 82 88 85 85 71 74 59 45 | 88
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Date of Ext-Day | 20 04 21 26 25 24 09 10 12 02 09 26 |
-Year| 2008 2003 1999 2003 2002 2004 2003 2005 2007 2003 1999 1999 |
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Extreme Min Temp| -52 -51 -35 -21 0 26 36 29 13 -17 -34 -43 | -52
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Date of Ext-Day | 07 03 02 01 19 05 18 28 29 31 24 31 |
-Year| 1997 1999 2007 2004 1997 2006 2003 1996 1999 1999 2006 2008 |
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Heating Degree Days | 2053 1572 1606 960 562 202 164 318 633 1222 1686 1964 | 12943
Cooling Degree Days | 0 0 0 0 0 12 9 3 0 0 0 0 | 25
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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 0.8 6.7 7.3 3.2 0.0 0.0 0.0 0.0 | 18.0
Max Temp <= 32 | 28.6 23.9 22.6 5.4 0.2 0.0 0.0 0.0 0.7 15.7 26.6 29.4 | 153.0
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Min Temp <= 32 | 31.0 27.9 30.6 24.2 7.2 0.4 0.0 0.5 10.3 27.7 29.8 30.9 | 220.5
Min Temp <= 20 | 29.5 25.3 27.1 9.0 1.3 0.0 0.0 0.0 1.2 16.2 26.0 29.6 | 165.4
Min Temp <= 0 | 19.1 11.0 13.3 1.8 0.8 0.0 0.0 0.0 0.0 2.5 13.7 18.7 | 81.0
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Avg Dew Point Temp | -3.1 4.9 3.1 17.4 29.0 41.3 47.2 43.6 34.0 20.0 3.9 -1.8 | 20.0
Avg Wet Bulb Temp | 1.3 9.6 11.8 28.1 39.9 50.0 53.0 48.8 39.5 23.8 8.4 3.0 | 26.4
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Avg Sea Level Pres | 30.24 30.12 30.20 30.07 30.03 29.94 29.90 29.98 30.06 30.08 30.08 30.19 | 30.07
(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 0.9 2.1 1.9 0.3 0.1 0.0 0.0 0.0 | 5.3
Heavy Fog | 0.8 1.2 0.2 0.5 0.6 0.2 0.5 0.9 1.6 2.5 0.7 0.3 | 10.2
Fog | 10.3 8.0 8.0 5.2 5.2 6.2 6.7 9.0 8.0 12.4 9.3 7.4 | 95.7
Hail | 0.0 0.0 0.0 0.1 0.2 0.2 0.0 0.0 0.0 0.0 0.0 0.0 | 0.4
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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 | 0.17 0.13 0.09 0.22 0.82 1.91 2.84 1.87 1.03 0.42 0.41 0.27 | 10.18
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Maximum Daily | 0.25 0.20 0.09 0.55 0.53 2.02 2.27 1.08 1.25 0.35 1.78 0.30 | 2.27
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Date of Ext-Day | 04 03 01 21 06 22 28 16 16 21 10 04 |
-Year| 2005 2000 2002 1999 2004 2006 2008 2002 2007 2006 2004 1996 |
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Avg Number of Days: | |
>= 0.01 | 5.3 3.5 3.6 4.6 8.9 11.4 15.8 13.3 10.1 7.4 6.2 7.2 | 97.3
>= 0.10 | 0.4 0.3 0.0 0.6 2.6 5.9 7.2 5.1 2.8 1.4 0.7 0.9 | 27.7
>= 0.25 | 0.1 0.0 0.0 0.1 1.1 2.3 4.0 2.8 1.2 0.4 0.2 0.1 | 12.1
>= 0.50 | 0.0 0.0 0.0 0.1 0.3 0.7 1.4 0.8 0.3 0.0 0.1 0.0 | 3.7
>= 1.00 | 0.0 0.0 0.0 0.0 0.0 0.2 0.2 0.1 0.1 0.0 0.1 0.0 | 0.6
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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| 12.6 11.8 9.9 9.4 8.7 7.7 6.8 6.6 8.1 8.9 11.1 12.6 | 9.5
Daily Avg Max 2-Min | 24.0 23.4 20.3 21.0 19.9 18.8 17.0 16.5 18.7 19.6 21.9 24.3 | 20.4
Daily Avg Peak Gust | 29.6 28.6 24.9 26.0 25.0 23.6 21.2 20.7 23.3 24.2 27.0 30.0 | 25.3
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Maximum Daily Avg | 39.6 37.1 30.9 32.8 28.4 26.9 25.3 32.4 30.4 30.3 34.3 39.7 | 39.7
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Maximum 2-Minute Avg| 53 67 48 55 56 43 40 47 49 51 48 52 | 67
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Date of Max 2min-Day| 23 02 08 22 09 08 27 23 19 01 27 17 |
-Year| 2000 2000 2008 2005 2003 1998 2004 2005 1998 2003 2006 2000 |
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Maximum Peak Gust | 66 77 66 71 66 56 48 59 63 63 61 66 | 77
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Date of Max Gust-Day| 23 02 08 22 09 10 27 02 19 01 27 04 |
-Year| 2000 2000 2008 2005 2003 2006 2004 2000 1998 2003 2006 2007 |
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Avg Number of Days: | |
Peak Gust >=30 | 16.7 13.4 10.5 8.9 6.9 5.5 3.9 4.9 7.7 10.3 13.5 17.1 | 119.3
Peak Gust >=40 | 9.3 6.2 4.7 4.5 3.2 1.6 0.7 1.7 3.5 4.6 7.7 10.3 | 58.1
Peak Gust >=50 | 3.8 2.6 0.9 1.4 1.2 0.5 0.0 0.4 1.4 0.7 1.9 3.7 | 18.4
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Max 2-Minute >=30| 11.5 9.1 6.5 5.3 4.6 2.0 1.3 2.1 4.9 5.1 10.1 0.0 | 62.6
Max 2-Minute >=40| 4.6 2.6 1.5 1.3 1.2 0.4 0.1 0.3 1.4 0.6 1.9 0.0 | 15.8
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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.