STATION: MERCED MUNI/MACREADY FLD APT (KMCE), CA
CLIMATOLOGICAL SUMMARY. Period of Record: Aug 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 | 53.3 60.1 66.9 72.2 83.2 90.8 95.6 94.1 88.9 78.1 64.2 55.0 | 75.2
Avg Min Temp | 36.5 38.7 41.5 44.7 52.1 57.7 61.9 60.0 55.8 48.5 41.3 36.3 | 47.9
Avg Temperature | 44.9 49.4 54.2 58.5 67.7 74.3 78.8 77.0 72.3 63.3 52.8 45.6 | 61.6
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Extremes: | |
Extreme Max Temp| 68 77 94 97 105 106 112 107 106 97 82 74 | 112
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Date of Ext-Day | 08 20 12 27 31 27 23 29 07 01 16 20 |
-Year| 2004 2002 2005 2004 2001 2003 2006 2008 2008 2001 2008 1999 |
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Extreme Min Temp| 19 26 31 30 38 45 50 52 42 38 26 18 | 18
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Date of Ext-Day | 15 03 19 10 04 07 04 06 20 31 25 23 |
-Year| 2007 2002 2002 1999 1999 1999 1999 2002 2007 2003 2003 1998 |
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Heating Degree Days | 622 441 336 212 43 4 0 0 8 97 367 600 | 2731
Cooling Degree Days | 0 0 1 16 125 282 426 372 228 43 0 0 | 1493
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Avg Number of Days: | |
Max Temp >= 90 | 0.0 0.0 0.1 1.0 7.2 18.0 26.0 24.1 15.1 2.2 0.0 0.0 | 93.7
Max Temp >= 75 | 0.0 0.1 5.4 11.8 26.4 29.4 31.0 30.8 28.5 20.9 2.3 0.0 | 186.6
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
| |
Min Temp <= 32 | 9.5 4.3 1.0 0.2 0.0 0.0 0.0 0.0 0.0 0.0 3.1 10.8 | 29.0
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 0.2 | 0.5
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 | 39.5 42.5 43.9 43.2 46.1 49.5 53.2 52.8 49.9 45.0 43.1 39.5 | 45.7
Avg Wet Bulb Temp | 42.3 45.9 48.8 50.8 56.1 60.2 63.4 62.5 59.3 53.2 47.8 42.4 | 52.7
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Avg Sea Level Pres | 30.17 30.09 30.06 30.00 29.92 29.87 29.87 29.87 29.86 29.97 30.10 30.17 | 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 | 0.1 0.4 0.8 0.6 0.5 0.1 0.1 0.3 0.4 0.3 0.2 0.1 | 3.8
Heavy Fog | 12.1 7.7 3.2 1.3 0.0 0.0 0.0 0.0 0.0 0.6 7.1 9.9 | 42.0
Fog | 25.8 22.7 21.4 10.8 3.0 0.5 0.7 4.7 7.0 11.5 20.8 24.2 | 153.0
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 | 2.08 2.28 1.35 1.08 0.48 0.02 0.00 0.00 0.08 0.81 0.83 1.69 | 10.70
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Maximum Daily | 1.05 1.24 1.14 1.94 1.00 0.18 0.01 0.00 0.25 1.44 1.05 1.36 | 1.94
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Date of Ext-Day | 23 15 22 17 21 08 24 22 26 08 16 |
-Year| 2000 2005 2005 2000 2006 2000 2007 2007 2000 2002 2002 |
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Avg Number of Days: | |
>= 0.01 | 10.2 11.1 7.2 5.2 2.5 0.2 0.1 0.0 0.8 3.3 8.8 10.2 | 59.5
>= 0.10 | 4.9 6.0 3.9 2.4 1.1 0.1 0.0 0.0 0.4 1.5 2.4 4.6 | 27.4
>= 0.25 | 2.9 3.6 2.3 1.5 0.6 0.0 0.0 0.0 0.1 1.0 0.9 2.7 | 15.7
>= 0.50 | 1.4 1.2 0.5 0.5 0.4 0.0 0.0 0.0 0.0 0.7 0.3 0.9 | 5.9
>= 1.00 | 0.1 0.2 0.1 0.1 0.1 0.0 0.0 0.0 0.0 0.2 0.1 0.1 | 1.0
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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| 4.7 5.3 5.8 6.9 7.9 8.2 7.5 6.9 5.9 5.0 4.2 5.0 | 6.1
Daily Avg Max 2-Min | 13.0 14.5 14.7 16.5 16.7 16.2 14.5 13.9 13.5 13.0 12.1 13.5 | 14.3
Daily Avg Peak Gust | 15.8 17.8 18.4 20.8 21.3 20.5 18.1 17.3 16.8 16.3 15.0 16.7 | 17.9
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Maximum Daily Avg | 19.3 17.7 17.8 15.9 22.1 18.1 11.4 10.9 11.8 16.4 17.9 20.2 | 22.1
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Maximum 2-Minute Avg| 39 38 33 32 38 33 29 26 24 32 36 43 | 43
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Date of Max 2min-Day| 07 25 25 03 22 10 03 01 26 09 30 06 |
-Year| 2005 2004 2006 1999 2008 2008 2007 2006 2005 2008 1998 2007 |
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Maximum Peak Gust | 47 46 43 40 47 40 38 30 29 45 40 51 | 51
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Date of Max Gust-Day| 10 25 25 12 21 03 03 04 26 24 30 06 |
-Year| 2001 2004 2006 2003 2006 2006 2007 2006 2005 1998 1998 2007 |
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Avg Number of Days: | |
Peak Gust >=30 | 1.8 2.9 2.4 2.8 2.0 1.5 0.3 0.1 0.0 1.3 1.2 2.6 | 19.1
Peak Gust >=40 | 0.8 0.4 0.1 0.2 0.4 0.2 0.0 0.0 0.0 0.3 0.1 0.5 | 3.0
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 0.2 | 0.2
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Max 2-Minute >=30| 0.7 0.9 0.3 0.5 0.5 0.2 0.0 0.0 0.0 0.5 0.2 0.0 | 3.9
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.