STATION: PULLMAN/MOSCOW RGNL ARPT (KPUW), WA
CLIMATOLOGICAL SUMMARY. Period of Record: Jun 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 | 37.2 41.2 49.0 56.1 64.4 71.5 83.7 82.9 73.6 59.3 45.0 36.3 | 58.3
Avg Min Temp | 26.8 27.9 32.3 35.4 41.6 45.9 49.8 48.8 43.2 35.8 31.5 25.9 | 37.1
Avg Temperature | 32.0 34.6 40.6 45.8 53.0 58.7 66.8 65.8 58.4 47.5 38.3 31.1 | 47.7
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Extremes: | |
Extreme Max Temp| 56 60 73 77 92 95 101 102 96 87 72 56 | 102
| |
Date of Ext-Day | 26 27 20 29 16 29 23 17 01 01 12 04 |
-Year| 2003 2005 1999 2006 2006 2008 2006 2008 1998 2008 1999 2007 |
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Extreme Min Temp| -17 4 15 22 26 30 33 34 21 8 -2 -6 | -17
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Date of Ext-Day | 05 18 07 24 10 07 11 21 23 31 28 22 |
-Year| 2004 2006 2002 2002 1999 2002 2008 2000 2000 2002 2006 2008 |
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Heating Degree Days | 1024 859 755 577 380 207 51 67 220 542 802 1052 | 6536
Cooling Degree Days | 0 0 0 0 8 18 105 93 22 1 0 0 | 246
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Avg Number of Days: | |
Max Temp >= 90 | 0.0 0.0 0.0 0.0 0.5 0.9 8.0 8.4 1.7 0.0 0.0 0.0 | 19.5
Max Temp >= 75 | 0.0 0.0 0.0 0.6 4.6 10.7 26.7 25.3 14.4 1.6 0.0 0.0 | 83.8
Max Temp <= 32 | 7.8 2.6 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.1 2.4 9.1 | 22.3
| |
Min Temp <= 32 | 22.5 21.5 16.5 10.1 3.4 0.1 0.0 0.0 1.6 9.7 15.0 24.9 | 125.3
Min Temp <= 20 | 5.5 4.1 0.6 0.0 0.0 0.0 0.0 0.0 0.0 1.2 3.2 6.4 | 21.0
Min Temp <= 0 | 0.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.8 | 1.6
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Avg Dew Point Temp | 27.0 27.2 30.6 33.2 39.2 44.9 45.4 41.7 37.6 34.5 31.4 26.4 | 34.9
Avg Wet Bulb Temp | 30.2 31.6 36.1 40.2 46.4 51.6 55.3 53.4 47.9 41.4 35.3 29.5 | 41.6
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Avg Sea Level Pres | 30.17 30.14 30.08 30.03 30.02 29.99 29.98 29.98 30.01 30.10 30.16 30.20 | 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 | 0.1 0.1 0.1 0.5 1.5 1.7 1.4 1.9 0.8 0.4 0.2 0.0 | 8.6
Heavy Fog | 6.2 3.9 1.8 0.8 0.7 0.1 0.0 0.0 0.4 1.1 3.5 6.3 | 24.7
Fog | 18.9 12.8 11.4 8.4 7.6 4.2 1.3 1.5 2.6 8.1 13.5 17.4 | 107.6
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 | 1.72 1.21 1.62 0.99 1.16 0.90 0.24 0.51 0.62 1.05 2.06 1.78 | 13.87
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Maximum Daily | 0.87 0.50 0.91 0.54 0.62 0.99 0.46 0.94 0.88 0.55 1.57 0.83 | 1.57
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Date of Ext-Day | 31 28 24 09 22 27 09 20 19 15 12 13 |
-Year| 2003 2006 2002 2007 2006 2001 1998 2008 1998 2006 2008 2003 |
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Avg Number of Days: | |
>= 0.01 | 14.0 11.4 13.0 9.5 11.3 6.6 2.3 3.5 4.3 8.0 12.5 13.5 | 109.8
>= 0.10 | 5.2 4.4 5.4 3.5 4.1 3.1 0.9 1.5 1.9 3.4 6.7 6.1 | 46.2
>= 0.25 | 1.6 1.6 1.8 1.3 1.0 1.0 0.3 0.6 0.8 1.7 2.2 1.9 | 15.9
>= 0.50 | 0.7 0.1 0.4 0.1 0.1 0.3 0.0 0.2 0.2 0.3 0.9 0.5 | 3.7
>= 1.00 | 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 | 0.1
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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| 9.6 9.1 9.2 8.3 7.5 6.2 5.0 5.3 5.8 6.8 8.9 9.8 | 7.6
Daily Avg Max 2-Min | 19.7 19.6 20.7 20.1 19.3 17.2 16.2 16.8 16.8 18.1 19.6 20.6 | 18.7
Daily Avg Peak Gust | 24.0 23.7 25.4 24.8 24.0 21.8 20.9 21.6 20.9 21.9 24.0 25.1 | 23.2
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Maximum Daily Avg | 26.5 28.3 22.9 20.0 19.9 17.4 16.6 15.3 25.0 25.3 21.8 26.6 | 28.3
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Maximum 2-Minute Avg| 46 45 43 40 38 37 41 43 40 47 48 54 | 54
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Date of Max 2min-Day| 30 07 03 27 06 01 29 18 25 28 13 15 |
-Year| 2004 2008 1999 2004 1999 2001 1998 2008 1999 2003 2006 2000 |
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Maximum Peak Gust | 58 58 53 51 49 47 48 59 49 58 63 63 | 63
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Date of Max Gust-Day| 30 07 08 27 08 01 29 05 25 28 13 15 |
-Year| 2004 2008 2006 2004 2007 2001 1998 2008 1999 2003 2006 2000 |
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Avg Number of Days: | |
Peak Gust >=30 | 7.8 6.2 9.3 7.5 6.4 4.8 4.2 3.5 3.1 4.6 7.8 8.8 | 74.0
Peak Gust >=40 | 2.0 1.7 1.7 1.2 1.2 0.4 0.7 0.6 0.1 0.7 2.2 2.4 | 15.0
Peak Gust >=50 | 0.5 0.6 0.5 0.1 0.0 0.0 0.0 0.3 0.0 0.1 0.2 0.8 | 3.1
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Max 2-Minute >=30| 2.3 2.7 3.5 1.9 2.1 0.8 1.2 0.9 0.5 1.1 2.9 0.0 | 20.1
Max 2-Minute >=40| 0.4 0.6 0.3 0.1 0.0 0.0 0.2 0.1 0.1 0.1 0.2 0.0 | 2.1
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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.