STATION: FRIDAY HARBOR AIRPORT (KFHR), WA
CLIMATOLOGICAL SUMMARY. Period of Record: Jan 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
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Avg Max Temp | 46.1 48.1 51.1 56.2 61.4 66.7 71.3 71.7 66.8 57.3 50.0 45.6 | 57.7
Avg Min Temp | 36.0 35.4 37.2 38.6 42.6 46.6 48.7 48.4 45.9 42.4 38.8 35.7 | 41.3
Avg Temperature | 41.0 41.7 44.2 47.4 52.0 56.7 60.0 60.1 56.3 49.8 44.4 40.6 | 49.5
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Extremes: | |
Extreme Max Temp| 60 57 71 76 83 91 95 88 84 73 61 57 | 95
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Date of Ext-Day | 17 02 29 30 26 06 23 13 02 01 01 24 |
-Year| 2005 2005 2004 2004 2005 2003 2004 2002 2006 2003 2008 2005 |
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Extreme Min Temp| 11 22 24 27 30 36 40 42 36 26 23 8 | 8
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Date of Ext-Day | 04 07 07 01 07 01 03 12 23 31 06 20 |
-Year| 2004 2001 2002 2008 2002 1999 2000 2000 2000 2002 2003 2008 |
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Heating Degree Days | 743 657 646 528 403 254 165 157 261 470 618 756 | 5657
Cooling Degree Days | 0 0 0 0 0 4 10 4 1 0 0 0 | 18
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Avg Number of Days: | |
Max Temp >= 90 | 0.0 0.0 0.0 0.0 0.0 0.1 0.4 0.0 0.0 0.0 0.0 0.0 | 0.5
Max Temp >= 75 | 0.0 0.0 0.0 0.1 0.8 3.8 7.2 8.9 2.3 0.0 0.0 0.0 | 23.0
Max Temp <= 32 | 0.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.9 | 1.6
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Min Temp <= 32 | 8.7 8.6 5.9 3.6 0.6 0.0 0.0 0.0 0.0 0.7 5.8 8.5 | 42.4
Min Temp <= 20 | 0.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.7 | 1.5
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 | 36.8 36.0 37.8 39.9 44.8 48.6 51.5 51.8 49.3 45.0 40.5 36.6 | 43.2
Avg Wet Bulb Temp | 39.5 39.6 41.5 43.9 48.4 52.1 55.0 55.0 52.3 47.6 43.0 39.4 | 46.5
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Avg Sea Level Pres | 30.12 30.14 30.09 30.05 30.06 30.04 30.05 30.03 30.04 30.11 30.12 30.13 | 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| |
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Avg Number of Days: | |
Thunderstorms | 0.1 0.0 0.0 0.0 0.1 0.4 0.1 0.1 0.2 0.0 0.1 0.1 | 1.1
Heavy Fog | 1.8 1.3 0.7 1.0 0.7 1.3 2.4 6.5 5.4 5.5 1.9 1.5 | 29.9
Fog | 17.2 10.7 12.9 9.3 11.6 9.8 10.5 16.5 16.5 18.5 16.3 15.6 | 165.4
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 | 3.25 1.37 1.66 0.94 1.11 0.90 0.40 0.99 0.85 2.56 3.40 2.76 | 20.20
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Maximum Daily | 1.23 1.20 0.75 0.69 0.67 0.77 0.72 1.37 0.53 2.44 1.75 1.11 | 2.44
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Date of Ext-Day | 17 21 11 13 27 24 03 24 29 16 18 15 |
-Year| 2005 2002 2002 2000 1998 1999 1998 2004 2005 2003 2003 1999 |
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Avg Number of Days: | |
>= 0.01 | 20.4 14.6 17.1 11.7 12.4 9.8 6.3 11.4 15.4 18.2 19.3 19.0 | 175.5
>= 0.10 | 9.5 4.3 5.7 3.5 3.1 3.1 1.5 2.5 3.1 6.1 8.4 8.8 | 59.7
>= 0.25 | 4.1 1.3 1.5 0.4 1.6 0.9 0.3 0.9 1.0 3.1 4.5 3.5 | 23.0
>= 0.50 | 1.5 0.4 0.1 0.2 0.3 0.2 0.1 0.5 0.1 1.1 1.9 0.9 | 7.2
>= 1.00 | 0.4 0.1 0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.2 0.3 0.2 | 1.2
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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| 7.1 6.6 6.8 5.6 5.0 5.1 4.6 4.0 3.8 4.8 6.3 7.6 | 5.6
Daily Avg Max 2-Min | 18.0 17.1 17.1 14.5 13.2 13.3 12.8 12.4 11.9 13.5 16.5 19.4 | 15.0
Daily Avg Peak Gust | 23.6 22.5 22.8 19.4 17.5 17.7 16.8 16.3 15.6 18.2 22.0 25.6 | 19.8
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Maximum Daily Avg | 22.3 25.1 21.1 21.7 12.2 13.4 10.5 12.0 15.1 19.3 22.3 25.5 | 25.5
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Maximum 2-Minute Avg| 43 44 41 33 30 30 28 24 32 35 44 59 | 59
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Date of Max 2min-Day| 31 20 03 29 21 28 25 19 25 27 12 20 |
-Year| 2006 1998 1999 2001 2005 2008 2007 2008 1999 1999 2007 2000 |
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Maximum Peak Gust | 54 55 54 45 41 44 36 33 48 49 63 60 | 63
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Date of Max Gust-Day| 31 05 03 27 21 28 25 15 25 27 12 15 |
-Year| 2006 1999 1999 2004 2005 2008 2007 2003 1999 1999 2007 2006 |
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Avg Number of Days: | |
Peak Gust >=30 | 8.7 7.6 8.1 3.3 1.2 0.5 0.4 0.3 0.7 4.1 7.0 11.0 | 52.9
Peak Gust >=40 | 3.3 2.4 2.1 0.6 0.1 0.1 0.0 0.0 0.3 1.1 2.6 4.8 | 17.3
Peak Gust >=50 | 0.5 0.3 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.7 0.9 | 2.5
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Max 2-Minute >=30| 3.9 2.7 2.4 0.4 0.1 0.1 0.0 0.0 0.3 1.5 2.8 0.0 | 14.2
Max 2-Minute >=40| 0.1 0.3 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 0.0 | 0.7
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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.