STATION: EVANSTON-UINTA CO BURNS FLD AP (KEVW), WY
CLIMATOLOGICAL SUMMARY. Period of Record: Aug 1999 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 | 28.7 29.8 39.1 51.8 61.9 72.4 83.8 79.9 68.5 56.1 40.5 29.5 | 53.5
Avg Min Temp | 13.1 13.5 21.4 28.6 36.9 44.8 54.0 51.3 41.5 32.6 21.7 13.9 | 31.1
Avg Temperature | 20.9 21.7 30.2 40.2 49.4 58.6 68.9 65.6 55.0 44.4 31.1 21.7 | 42.3
| |
Extremes: | |
Extreme Max Temp| 49 48 66 75 85 90 94 93 85 77 68 50 | 94
| |
Date of Ext-Day | 27 28 21 29 29 30 04 06 15 01 15 01 |
-Year| 2003 2003 2004 2007 2003 2001 2001 2001 2000 2001 1999 2008 |
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Extreme Min Temp| -12 -15 -4 0 13 25 42 34 20 10 -5 -14 | -15
| |
Date of Ext-Day | 30 07 02 06 08 13 18 27 28 30 23 07 |
-Year| 2002 2003 2002 2000 2002 2001 2005 2004 1999 2002 2003 2005 |
| |
Heating Degree Days | 1366 1224 1078 744 486 211 13 48 304 640 1016 1341 | 8472
Cooling Degree Days | 0 0 0 0 2 20 134 66 5 0 0 0 | 226
| |
Avg Number of Days: | |
Max Temp >= 90 | 0.0 0.0 0.0 0.0 0.0 0.1 4.7 0.7 0.0 0.0 0.0 0.0 | 5.5
Max Temp >= 75 | 0.0 0.0 0.0 0.1 4.1 14.7 29.8 26.6 9.6 0.7 0.0 0.0 | 85.6
Max Temp <= 32 | 20.0 17.6 8.2 1.0 0.2 0.0 0.0 0.0 0.1 0.9 8.6 18.8 | 75.5
| |
Min Temp <= 32 | 30.7 28.1 28.8 21.6 10.6 2.1 0.0 0.0 4.4 15.6 26.1 30.8 | 198.7
Min Temp <= 20 | 23.6 21.7 13.1 4.0 0.6 0.0 0.0 0.0 0.3 1.3 13.1 23.0 | 100.7
Min Temp <= 0 | 2.4 2.3 0.4 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.6 1.8 | 7.7
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Avg Dew Point Temp | 13.9 14.6 19.5 22.4 28.2 32.1 36.4 36.8 29.2 23.3 18.5 14.9 | 24.1
Avg Wet Bulb Temp | 18.6 19.4 26.0 32.6 39.5 45.5 51.5 50.2 42.4 34.8 26.0 19.3 | 33.8
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Avg Sea Level Pres | 30.21 30.15 30.07 30.00 29.96 29.96 29.95 29.97 30.01 30.06 30.16 30.20 | 30.06
(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 0.1 0.7 2.6 5.1 8.1 7.6 2.7 0.7 0.0 0.0 | 27.6
Heavy Fog | 6.0 8.2 7.0 5.2 3.2 0.7 0.0 0.3 1.0 3.6 5.0 5.5 | 45.8
Fog | 14.7 14.8 12.2 9.7 6.7 3.7 0.9 2.1 4.3 6.9 10.2 13.2 | 99.5
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 | 0.36 0.57 0.44 0.80 1.32 0.97 0.46 1.05 0.95 0.94 0.62 0.40 | 8.87
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Maximum Daily | 0.45 0.44 0.26 0.59 0.99 1.17 0.67 0.86 0.72 1.03 0.80 0.34 | 1.17
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Date of Ext-Day | 18 16 10 02 10 23 25 09 22 20 09 04 |
-Year| 2000 2001 2000 2001 2005 2003 2007 2008 2000 2004 2004 2004 |
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Avg Number of Days: | |
>= 0.01 | 6.7 8.9 8.3 8.6 8.0 6.7 5.3 7.8 7.3 7.2 7.5 7.7 | 90.0
>= 0.10 | 1.0 1.8 1.0 2.9 3.5 2.8 1.1 3.0 3.2 3.2 1.9 1.2 | 26.6
>= 0.25 | 0.2 0.4 0.1 0.6 1.8 1.4 0.6 1.0 1.2 0.7 0.5 0.3 | 8.8
>= 0.50 | 0.0 0.0 0.0 0.1 0.8 0.2 0.2 0.5 0.4 0.3 0.3 0.0 | 2.8
>= 1.00 | 0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.0 0.0 0.1 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| 9.8 9.1 10.0 10.8 10.2 10.2 8.9 9.1 9.3 9.7 9.0 10.0 | 9.7
Daily Avg Max 2-Min | 20.1 19.2 21.2 25.3 24.9 25.7 24.2 24.5 23.4 22.2 19.9 20.1 | 22.6
Daily Avg Peak Gust | 23.3 22.1 25.0 30.9 30.9 32.2 30.7 30.8 29.3 27.4 23.8 23.7 | 27.5
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Maximum Daily Avg | 25.1 25.1 21.1 23.8 19.8 22.2 17.6 17.7 19.2 22.1 21.1 23.2 | 25.1
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Maximum 2-Minute Avg| 46 45 40 52 53 52 49 46 47 46 44 41 | 53
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Date of Max 2min-Day| 01 08 26 15 20 01 07 22 05 29 03 15 |
-Year| 2004 2002 2003 2002 2008 2002 2004 2004 2002 2003 2005 2000 |
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Maximum Peak Gust | 55 55 48 63 77 62 63 62 64 59 55 51 | 77
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Date of Max Gust-Day| 04 08 31 15 20 01 07 22 29 02 03 15 |
-Year| 2008 2002 2004 2002 2008 2002 2004 2007 2007 2006 2005 2000 |
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Avg Number of Days: | |
Peak Gust >=30 | 7.7 5.8 9.4 16.4 18.0 18.1 17.4 17.3 14.0 11.0 7.1 8.3 | 150.5
Peak Gust >=40 | 2.8 1.1 1.6 3.9 4.1 5.1 2.9 3.3 2.8 2.8 1.9 1.8 | 34.1
Peak Gust >=50 | 0.4 0.1 0.0 0.6 0.3 0.7 0.1 0.6 0.6 0.4 0.2 0.2 | 4.2
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Max 2-Minute >=30| 4.6 3.3 3.7 8.0 6.7 6.8 4.4 5.9 5.8 4.4 3.6 0.0 | 57.2
Max 2-Minute >=40| 0.7 0.2 0.2 0.8 0.2 1.1 0.2 0.6 0.5 0.4 0.2 0.0 | 5.2
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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.