STATION: MARYSVILLE-YUBA COUNTRY AIRPORT (KMYV), CA
CLIMATOLOGICAL SUMMARY. Period of Record: Oct 2000 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 | 54.0 60.3 67.2 70.7 83.2 90.7 96.5 94.5 88.8 77.8 63.6 54.8 | 75.2
Avg Min Temp | 37.4 39.8 43.0 44.6 52.1 57.4 61.2 58.6 54.4 48.1 41.2 38.3 | 48.0
Avg Temperature | 45.7 50.1 55.1 57.6 67.7 74.0 78.9 76.6 71.6 63.0 52.4 46.6 | 61.6
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Extremes: | |
Extreme Max Temp| 68 75 83 96 104 107 112 108 105 104 79 66 | 112
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Date of Ext-Day | 29 27 16 26 31 23 23 28 02 02 04 24 |
-Year| 2007 2002 2004 2004 2001 2006 2006 2008 2003 2001 2007 2005 |
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Extreme Min Temp| 20 27 29 32 37 43 51 48 35 22 27 18 | 18
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Date of Ext-Day | 15 16 08 03 09 07 22 06 10 28 13 12 |
-Year| 2007 2006 2002 2001 2003 2005 2008 2002 2008 2006 2000 2007 |
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Heating Degree Days | 598 422 310 235 42 4 0 0 8 106 378 571 | 2674
Cooling Degree Days | 0 0 3 14 120 276 429 359 206 43 0 0 | 1450
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Avg Number of Days: | |
Max Temp >= 90 | 0.0 0.0 0.0 0.6 8.1 17.3 27.6 25.1 15.1 2.1 0.0 0.0 | 95.9
Max Temp >= 75 | 0.0 0.3 6.5 9.4 25.7 29.5 31.0 31.0 28.9 20.5 2.0 0.0 | 184.7
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 0.0 | 0.0
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Min Temp <= 32 | 8.3 2.6 0.6 0.3 0.0 0.0 0.0 0.0 0.0 0.3 3.5 8.0 | 23.6
Min Temp <= 20 | 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 | 0.4
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 | 39.7 41.1 43.3 43.5 48.1 50.4 54.8 53.1 49.3 44.8 43.3 40.7 | 46.0
Avg Wet Bulb Temp | 42.9 45.6 49.2 50.2 56.8 60.5 64.1 62.4 58.7 53.0 47.6 43.8 | 52.9
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Avg Sea Level Pres | 30.17 30.09 30.06 30.00 29.93 29.88 29.87 29.87 29.88 29.98 30.11 30.15 | 30.00
(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 | 0.2 0.9 1.6 1.2 0.5 0.1 0.3 0.4 0.2 0.2 0.4 0.3 | 6.5
Heavy Fog | 8.2 2.6 0.6 0.4 0.0 0.0 0.0 0.0 0.0 0.6 5.2 7.3 | 25.0
Fog | 23.1 17.3 11.5 8.0 3.9 1.1 0.4 2.4 2.9 10.3 18.5 22.1 | 121.6
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 | 3.10 3.01 2.13 1.55 0.69 0.12 0.01 0.07 0.08 1.22 2.10 4.55 | 18.62
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Maximum Daily | 1.86 1.54 1.12 0.92 0.97 0.38 0.03 0.34 0.36 1.73 2.15 2.02 | 2.15
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Date of Ext-Day | 04 27 01 12 20 08 18 02 24 30 07 31 |
-Year| 2008 2006 2004 2003 2002 2005 2007 2003 2001 2001 2002 2005 |
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Avg Number of Days: | |
>= 0.01 | 12.4 10.4 7.9 7.1 3.5 1.0 0.3 0.4 1.0 5.0 9.0 13.6 | 71.5
>= 0.10 | 7.0 6.7 4.8 3.8 1.8 0.4 0.0 0.2 0.2 2.7 3.8 8.7 | 39.9
>= 0.25 | 4.8 4.5 3.4 2.5 0.8 0.3 0.0 0.1 0.1 1.6 2.3 6.7 | 27.0
>= 0.50 | 1.9 2.3 1.5 1.1 0.5 0.0 0.0 0.0 0.0 0.8 1.0 4.2 | 13.3
>= 1.00 | 0.5 0.3 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.3 0.7 0.7 | 2.5
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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| 6.0 7.0 7.3 7.5 7.5 7.6 6.8 6.5 5.9 5.8 5.4 7.0 | 6.7
Daily Avg Max 2-Min | 15.6 16.6 17.0 17.4 16.4 16.8 15.8 15.2 15.0 14.6 15.0 17.2 | 16.0
Daily Avg Peak Gust | 19.3 21.0 21.1 21.9 21.2 22.1 20.8 20.0 19.6 18.5 18.7 21.8 | 20.5
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Maximum Daily Avg | 26.8 23.9 19.7 17.2 19.6 20.2 13.8 16.9 19.6 19.4 22.2 23.6 | 26.8
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Maximum 2-Minute Avg| 52 46 48 36 52 38 47 43 48 70 56 48 | 70
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Date of Max 2min-Day| 04 25 04 28 02 28 17 27 01 20 10 16 |
-Year| 2008 2004 2001 2007 2006 2006 2006 2007 2007 2007 2007 2002 |
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Maximum Peak Gust | 67 87 58 41 86 69 77 51 74 79 89 87 | 89
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Date of Max Gust-Day| 04 18 04 28 02 14 17 27 01 20 10 04 |
-Year| 2008 2004 2001 2004 2006 2007 2006 2007 2007 2007 2007 2007 |
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Avg Number of Days: | |
Peak Gust >=30 | 5.6 6.0 5.9 4.5 2.9 5.0 4.3 4.0 4.0 3.7 4.5 7.7 | 58.1
Peak Gust >=40 | 1.8 1.3 0.8 0.4 0.5 0.8 0.6 0.7 1.1 0.6 0.7 3.5 | 12.7
Peak Gust >=50 | 0.4 0.4 0.3 0.0 0.1 0.3 0.4 0.1 0.1 0.3 0.2 0.5 | 3.2
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Max 2-Minute >=30| 1.9 1.7 1.4 1.0 0.7 0.9 0.7 0.6 1.2 0.8 1.2 0.0 | 12.1
Max 2-Minute >=40| 0.3 0.3 0.1 0.0 0.1 0.0 0.1 0.1 0.1 0.1 0.2 0.0 | 1.5
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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.