STATION: VERNAL AIRPORT (KVEL), UT
CLIMATOLOGICAL SUMMARY. Period of Record: Feb 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 | 29.8 38.3 52.8 62.1 73.0 82.5 91.1 86.6 75.7 62.5 46.4 31.1 | 61.0
Avg Min Temp | 9.1 17.0 25.0 32.3 40.7 48.3 56.9 54.4 44.3 33.9 22.6 10.4 | 32.9
Avg Temperature | 19.4 27.7 38.9 47.2 56.8 65.4 74.0 70.5 60.0 48.2 34.5 20.8 | 46.9
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Extremes: | |
Extreme Max Temp| 52 60 78 83 96 98 101 97 92 81 67 57 | 101
| |
Date of Ext-Day | 11 27 22 29 31 30 13 01 02 09 01 02 |
-Year| 2000 2006 2004 2007 2002 2002 2002 2000 2007 2003 2008 2008 |
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Extreme Min Temp| -21 -9 3 17 21 30 43 40 26 17 -2 -21 | -21
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Date of Ext-Day | 15 12 02 04 11 13 05 31 29 17 23 23 |
-Year| 2007 2004 2002 2003 1999 2001 2000 2005 1999 1999 2003 1998 |
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Heating Degree Days | 1410 1055 809 535 267 77 0 6 170 521 915 1369 | 7134
Cooling Degree Days | 0 0 0 0 14 88 279 175 20 0 0 0 | 577
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Avg Number of Days: | |
Max Temp >= 90 | 0.0 0.0 0.0 0.0 0.7 7.3 20.1 9.1 0.5 0.0 0.0 0.0 | 37.7
Max Temp >= 75 | 0.0 0.0 0.5 1.9 15.5 24.4 31.0 30.4 18.2 3.2 0.0 0.0 | 125.0
Max Temp <= 32 | 17.9 6.2 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 3.0 16.8 | 44.5
| |
Min Temp <= 32 | 31.0 28.2 27.6 14.9 3.6 0.3 0.0 0.0 1.4 13.5 27.4 30.9 | 178.7
Min Temp <= 20 | 26.3 17.1 6.1 0.9 0.0 0.0 0.0 0.0 0.0 0.2 11.0 27.3 | 88.9
Min Temp <= 0 | 6.6 1.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 4.2 | 12.7
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Avg Dew Point Temp | 13.1 18.6 21.8 25.4 32.6 37.6 44.9 46.0 39.0 30.6 22.5 13.6 | 28.8
Avg Wet Bulb Temp | 17.3 24.3 32.0 38.0 45.5 51.2 57.5 56.5 48.9 39.8 29.4 18.3 | 38.2
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Avg Sea Level Pres | 30.30 30.17 30.04 29.97 29.93 29.91 29.92 29.95 29.99 30.06 30.19 30.29 | 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 0.5 2.0 3.1 3.7 4.9 4.4 3.2 1.6 0.1 0.0 | 23.5
Heavy Fog | 5.6 2.5 1.0 0.2 0.2 0.0 0.1 0.0 0.2 0.3 0.5 4.2 | 14.8
Fog | 21.3 13.7 5.1 4.5 2.4 1.5 0.6 1.1 3.2 4.7 8.6 16.8 | 83.7
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 | 0.53 0.65 0.61 0.80 0.64 0.56 0.45 0.58 1.08 1.13 0.47 0.48 | 7.99
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Maximum Daily | 0.40 0.49 0.52 0.47 0.74 0.84 0.99 0.51 1.06 1.28 0.47 0.55 | 1.28
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Date of Ext-Day | 11 23 14 24 03 04 24 21 15 21 09 07 |
-Year| 2005 2001 2002 2005 1999 2008 1998 1998 2006 2004 2004 2007 |
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Avg Number of Days: | |
>= 0.01 | 6.8 7.4 6.5 6.5 6.0 4.5 4.5 5.8 6.8 6.1 4.1 5.9 | 70.9
>= 0.10 | 2.1 2.5 2.2 3.0 1.9 1.5 1.1 1.9 2.4 2.7 1.7 1.7 | 24.8
>= 0.25 | 0.5 0.5 0.8 1.3 0.6 0.7 0.5 0.7 1.6 1.6 0.5 0.5 | 10.0
>= 0.50 | 0.0 0.0 0.1 0.0 0.1 0.3 0.2 0.1 0.6 0.6 0.0 0.1 | 2.1
>= 1.00 | 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.1 0.0 0.0 | 0.3
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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| 2.8 3.7 5.6 7.1 6.7 6.5 5.5 5.4 5.1 4.7 3.9 3.0 | 5.0
Daily Avg Max 2-Min | 9.4 11.6 16.7 21.1 20.8 20.9 18.6 18.7 15.9 13.9 11.5 10.0 | 15.8
Daily Avg Peak Gust | 10.8 13.9 21.1 26.8 26.8 26.8 23.7 24.3 20.2 17.6 13.9 11.8 | 19.8
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Maximum Daily Avg | 12.6 13.2 19.8 17.6 15.1 16.6 9.6 13.4 12.2 12.9 15.7 13.4 | 19.8
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Maximum 2-Minute Avg| 28 37 37 45 40 79 38 38 40 35 33 33 | 79
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Date of Max 2min-Day| 12 09 20 15 28 05 02 11 14 02 30 15 |
-Year| 2000 2006 2000 2002 2000 2000 1999 2001 2007 2006 2008 2000 |
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Maximum Peak Gust | 36 44 48 59 53 87 48 55 56 51 52 43 | 87
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Date of Max Gust-Day| 12 09 27 20 21 05 02 11 14 21 30 15 |
-Year| 2000 2006 2007 2008 2002 2000 1999 2001 2007 2008 2008 2003 |
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Avg Number of Days: | |
Peak Gust >=30 | 0.5 1.6 5.7 11.7 11.2 10.6 7.7 8.5 5.6 4.0 1.6 1.0 | 69.6
Peak Gust >=40 | 0.0 0.5 1.5 3.1 2.8 2.4 0.6 1.5 0.8 0.4 0.4 0.2 | 13.9
Peak Gust >=50 | 0.0 0.0 0.0 0.6 0.2 0.6 0.0 0.2 0.2 0.1 0.1 0.0 | 1.8
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Max 2-Minute >=30| 0.0 0.5 1.8 3.6 4.0 3.0 0.7 1.3 1.4 0.7 0.5 0.0 | 17.5
Max 2-Minute >=40| 0.0 0.0 0.0 0.4 0.2 0.4 0.0 0.0 0.1 0.0 0.0 0.0 | 1.0
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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.