STATION: BETTLES AIRPORT (PABT), 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
| |
Avg Max Temp | -2.5 7.5 15.1 35.0 54.5 70.2 69.2 62.6 49.4 27.4 9.4 2.7 | 33.4
Avg Min Temp | -18.8 -11.7 -11.5 12.7 33.3 47.5 48.8 42.0 32.8 13.5 -5.2 -13.4 | 14.2
Avg Temperature | -10.6 -2.1 1.8 23.9 43.9 58.8 59.0 52.3 41.1 20.5 2.1 -5.4 | 23.8
| |
Extremes: | |
Extreme Max Temp| 35 37 42 59 80 92 90 86 70 57 37 35 | 92
| |
Date of Ext-Day | 19 11 30 30 24 13 02 04 03 02 22 26 |
-Year| 2002 2006 2000 2005 2002 1999 1999 1999 2008 2003 2007 2001 |
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Extreme Min Temp| -57 -64 -47 -35 5 28 30 25 2 -31 -41 -55 | -64
| |
Date of Ext-Day | 11 09 10 01 02 03 28 24 29 27 26 02 |
-Year| 2005 1999 2006 2004 2001 2006 2000 2002 2004 2008 2003 2003 |
| |
Heating Degree Days | 2345 1896 1959 1234 654 197 200 395 717 1381 1887 2182 | 15046
Cooling Degree Days | 0 0 0 0 0 13 14 2 0 0 0 0 | 29
| |
Avg Number of Days: | |
Max Temp >= 90 | 0.0 0.0 0.0 0.0 0.0 0.1 0.1 0.0 0.0 0.0 0.0 0.0 | 0.2
Max Temp >= 75 | 0.0 0.0 0.0 0.0 0.5 9.9 8.4 2.6 0.0 0.0 0.0 0.0 | 21.4
Max Temp <= 32 | 30.6 27.3 29.3 10.9 0.7 0.0 0.0 0.0 0.9 20.8 28.8 30.8 | 180.1
| |
Min Temp <= 32 | 31.0 28.2 31.0 28.8 14.7 0.4 0.2 3.2 13.8 29.6 30.0 31.0 | 241.9
Min Temp <= 20 | 30.7 28.0 30.7 19.2 2.2 0.0 0.0 0.0 2.4 21.3 28.8 30.8 | 194.1
Min Temp <= 0 | 25.1 21.2 25.3 6.2 0.0 0.0 0.0 0.0 0.0 5.5 18.3 25.2 | 126.7
| |
Avg Dew Point Temp | -4.7 -2.2 -5.6 11.8 28.1 43.0 47.4 43.1 32.7 15.8 -1.1 -5.1 | 16.9
Avg Wet Bulb Temp | -2.2 2.3 2.5 20.1 37.4 51.0 52.7 48.0 37.4 19.4 2.6 -1.9 | 22.4
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Avg Sea Level Pres | 30.18 30.14 30.18 30.06 30.04 29.92 29.88 29.95 30.01 30.03 30.06 30.15 | 30.05
(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 0.0 0.1 0.8 5.1 3.8 0.5 0.1 0.0 0.0 0.0 | 10.3
Heavy Fog | 1.3 0.9 0.4 0.6 0.2 0.7 0.8 1.4 1.5 0.7 0.6 0.7 | 9.8
Fog | 13.5 11.8 7.6 6.7 4.2 4.6 7.5 10.8 9.9 11.8 10.8 11.0 | 110.3
Hail | 0.0 0.0 0.0 0.0 0.2 0.3 0.2 0.0 0.0 0.0 0.0 0.0 | 0.7
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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 | 0.84 0.96 0.39 0.83 0.96 1.48 2.58 2.36 1.94 1.12 0.81 0.82 | 15.10
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Maximum Daily | 0.91 0.58 0.38 0.87 0.97 0.73 1.63 1.06 0.89 0.60 0.52 0.52 | 1.63
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Date of Ext-Day | 03 10 01 30 30 11 15 05 21 03 08 08 |
-Year| 2005 2003 2003 2002 1998 2002 2007 2007 2000 2003 2003 2005 |
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Avg Number of Days: | |
>= 0.01 | 9.6 10.1 5.9 7.4 9.1 11.1 14.3 14.2 12.8 12.7 10.2 10.5 | 127.9
>= 0.10 | 2.4 3.6 1.1 3.3 3.3 4.5 7.2 6.8 7.0 3.4 2.8 2.8 | 48.1
>= 0.25 | 0.5 1.0 0.1 0.7 1.2 2.0 4.2 3.2 2.5 0.7 0.8 0.6 | 17.7
>= 0.50 | 0.4 0.1 0.0 0.3 0.2 0.8 1.2 1.2 0.5 0.3 0.1 0.2 | 5.1
>= 1.00 | 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.1 0.0 0.0 0.0 0.0 | 0.2
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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| 4.1 4.9 5.3 5.8 5.6 4.9 4.9 4.3 4.3 4.8 4.3 4.0 | 4.8
Daily Avg Max 2-Min | 10.6 11.4 11.5 12.7 13.3 14.2 13.9 12.0 11.2 10.8 10.1 10.2 | 11.8
Daily Avg Peak Gust | 13.4 14.8 14.9 16.6 17.9 19.2 18.5 16.2 14.9 14.2 12.9 13.1 | 15.6
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Maximum Daily Avg | 13.9 14.4 16.6 14.1 12.6 11.4 13.5 12.1 12.2 11.3 12.4 11.9 | 16.6
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Maximum 2-Minute Avg| 28 28 29 28 22 29 35 22 24 23 26 25 | 35
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Date of Max 2min-Day| 22 19 21 26 20 15 29 14 11 09 16 08 |
-Year| 2008 2006 2005 2002 2003 2003 2005 2000 2003 2006 1999 2008 |
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Maximum Peak Gust | 40 44 48 36 35 45 43 36 32 38 40 48 | 48
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Date of Max Gust-Day| 08 13 22 26 29 15 01 14 28 09 16 09 |
-Year| 2004 2004 2005 2002 2002 2003 2002 2000 2007 2006 1999 2008 |
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Avg Number of Days: | |
Peak Gust >=30 | 1.5 1.9 1.7 1.2 0.4 1.1 0.4 0.3 0.3 0.7 0.4 0.7 | 10.7
Peak Gust >=40 | 0.1 0.1 0.3 0.0 0.0 0.1 0.1 0.0 0.0 0.0 0.1 0.4 | 1.3
Peak Gust >=50 | 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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Max 2-Minute >=30| 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.0 0.0 0.0 0.0 0.0 | 0.2
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.