STATION: ROSEBURG REGIONAL AIRPORT (KRBG), OR
CLIMATOLOGICAL SUMMARY. Period of Record: Jul 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 | 49.6 53.1 58.0 62.6 69.5 76.4 85.5 85.3 79.8 66.1 53.9 48.1 | 65.7
Avg Min Temp | 36.7 36.8 38.8 41.5 47.1 52.0 56.9 56.4 51.3 44.7 40.8 36.9 | 45.0
Avg Temperature | 43.2 45.0 48.4 52.1 58.3 64.2 71.2 70.8 65.6 55.4 47.3 42.5 | 55.3
| |
Extremes: | |
Extreme Max Temp| 70 70 82 92 105 102 107 107 103 95 76 65 | 107
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Date of Ext-Day | 18 22 30 29 16 28 27 13 02 01 05 12 |
-Year| 2005 2002 2003 1998 2008 2003 1998 2002 2003 2001 2002 1998 |
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Extreme Min Temp| 1 20 26 28 33 38 46 46 38 21 20 9 | 1
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Date of Ext-Day | 13 19 01 01 08 07 05 31 27 31 01 21 |
-Year| 2007 2006 2002 2008 2002 1999 1999 1999 1999 2002 2002 1998 |
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Heating Degree Days | 677 565 513 390 228 85 8 5 57 301 530 696 | 4055
Cooling Degree Days | 0 0 0 2 21 62 201 186 73 4 0 0 | 549
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Avg Number of Days: | |
Max Temp >= 90 | 0.0 0.0 0.0 0.2 1.4 2.3 8.7 10.3 4.4 0.1 0.0 0.0 | 27.2
Max Temp >= 75 | 0.0 0.0 0.5 3.7 9.4 16.8 28.7 28.2 21.5 5.3 0.1 0.0 | 114.4
Max Temp <= 32 | 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.4 | 0.4
| |
Min Temp <= 32 | 7.9 6.1 3.7 0.5 0.0 0.0 0.0 0.0 0.0 0.5 2.5 6.0 | 27.1
Min Temp <= 20 | 0.2 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.4 | 0.9
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 | 38.8 38.1 39.5 41.3 45.3 49.0 52.7 52.5 48.7 45.5 42.6 38.6 | 44.4
Avg Wet Bulb Temp | 40.8 41.3 43.7 46.3 51.1 55.4 60.0 59.6 55.6 49.4 44.7 40.5 | 49.1
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Avg Sea Level Pres | 30.13 30.12 30.10 30.07 30.06 30.04 30.02 30.01 30.00 30.10 30.13 30.19 | 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| |
| |
Avg Number of Days: | |
Thunderstorms | 0.0 0.1 0.1 0.6 0.5 0.2 0.8 0.2 0.2 0.2 0.1 0.1 | 3.0
Heavy Fog | 10.5 7.4 4.5 1.2 0.6 0.2 0.1 0.0 1.1 5.4 7.4 8.9 | 47.2
Fog | 25.5 20.5 18.1 13.1 10.8 4.4 1.9 2.3 6.1 16.8 22.6 23.8 | 165.8
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
| |
Average Monthly | 5.74 3.48 2.96 2.44 2.26 0.57 0.11 0.24 0.68 2.17 5.17 6.40 | 32.25
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Maximum Daily | 2.20 1.83 1.14 1.83 1.90 0.60 0.34 0.96 0.72 1.06 2.60 2.86 | 2.86
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Date of Ext-Day | 17 27 28 13 09 08 18 19 09 09 21 13 |
-Year| 2006 2006 2005 2000 2005 2004 2007 2007 2003 2000 1998 2003 |
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Avg Number of Days: | |
>= 0.01 | 21.1 18.0 16.9 14.7 12.1 6.0 1.2 1.5 4.8 12.7 20.3 21.0 | 150.3
>= 0.10 | 12.5 9.2 9.2 6.9 5.9 1.8 0.4 0.6 2.1 5.8 10.9 12.1 | 77.4
>= 0.25 | 7.7 4.5 4.5 3.2 2.8 0.6 0.1 0.4 1.2 3.0 7.2 8.1 | 43.3
>= 0.50 | 3.8 1.5 1.5 0.9 1.2 0.2 0.0 0.1 0.2 1.3 3.4 4.0 | 18.0
>= 1.00 | 1.0 0.5 0.1 0.3 0.2 0.0 0.0 0.0 0.0 0.3 0.8 1.5 | 4.6
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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| 2.3 2.6 3.0 3.4 3.9 4.8 5.0 4.4 3.4 2.4 2.2 2.5 | 3.3
Daily Avg Max 2-Min | 10.4 11.4 12.6 13.7 13.6 14.7 15.0 14.8 13.6 11.1 10.1 10.7 | 12.6
Daily Avg Peak Gust | 13.6 15.0 16.7 17.9 17.6 18.9 19.4 19.2 17.5 14.3 13.0 13.9 | 16.4
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Maximum Daily Avg | 9.7 14.0 10.9 10.8 10.2 11.3 9.3 9.9 9.1 11.2 13.8 12.7 | 14.0
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Maximum 2-Minute Avg| 29 28 26 23 22 25 24 22 25 28 30 26 | 30
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Date of Max 2min-Day| 30 06 02 01 29 16 07 07 05 09 19 02 |
-Year| 2004 1998 1999 2003 1999 2000 2008 1997 2008 1997 2001 2007 |
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Maximum Peak Gust | 43 40 45 30 32 31 30 31 33 38 43 41 | 45
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Date of Max Gust-Day| 16 25 27 23 02 16 24 30 05 09 19 02 |
-Year| 2000 2004 2006 2008 2007 2000 2006 2008 2008 1997 2001 2007 |
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Avg Number of Days: | |
Peak Gust >=30 | 0.9 1.5 1.4 0.1 0.1 0.2 0.2 0.1 0.1 0.3 0.9 1.4 | 7.1
Peak Gust >=40 | 0.1 0.1 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.2 | 0.6
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 0.0 0.0 0.0 0.0 0.1 0.0 | 0.1
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.