STATION: SANTA ANA-J. WAYNE APT (KSNA), CA
CLIMATOLOGICAL SUMMARY. Period of Record: Feb 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 | 66.7 66.1 67.3 68.8 71.9 74.5 78.8 79.4 78.8 75.5 71.2 66.3 | 72.1
Avg Min Temp | 47.2 48.5 51.3 53.5 58.2 61.5 65.0 65.3 63.0 58.6 52.5 46.7 | 56.0
Avg Temperature | 56.9 57.3 59.3 61.2 65.0 68.0 71.9 72.4 70.9 67.1 61.8 56.5 | 64.0
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Extremes: | |
Extreme Max Temp| 90 90 95 99 98 96 99 92 102 99 94 83 | 102
| |
Date of Ext-Day | 31 08 11 27 02 27 22 25 28 05 15 18 |
-Year| 2003 2006 2007 2008 2004 2006 2006 2005 2005 2005 2008 2004 |
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Extreme Min Temp| 33 37 41 41 49 54 57 58 56 51 37 36 | 33
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Date of Ext-Day | 14 01 01 10 01 03 28 27 21 30 30 27 |
-Year| 2007 2002 2007 1999 1999 1999 2007 2003 2007 2004 2004 2003 |
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Heating Degree Days | 256 220 184 131 41 6 0 0 0 23 117 264 | 1242
Cooling Degree Days | 6 3 8 16 42 95 214 228 178 86 21 1 | 898
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Avg Number of Days: | |
Max Temp >= 90 | 0.1 0.1 0.4 0.7 0.8 0.7 0.5 0.4 1.6 1.7 0.7 0.0 | 7.7
Max Temp >= 75 | 5.3 3.2 4.0 4.2 6.2 11.6 26.3 28.6 22.8 13.0 6.8 3.4 | 135.4
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 0.0 | 0.0
| |
Min 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 <= 20 | 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 <= 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 | 42.1 44.8 46.7 48.7 53.9 57.5 61.3 61.6 59.3 53.6 47.4 42.0 | 51.6
Avg Wet Bulb Temp | 49.8 50.9 52.3 54.2 58.3 61.3 64.8 65.1 63.3 58.7 54.0 49.5 | 56.8
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Avg Sea Level Pres | 30.09 30.06 30.02 29.99 29.94 29.90 29.92 29.90 29.88 29.95 30.04 30.10 | 29.98
(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 | 0.3 0.3 0.2 0.2 0.1 0.1 0.3 0.0 0.2 1.0 0.1 0.0 | 2.8
Heavy Fog | 2.1 2.0 1.6 0.5 0.9 0.0 0.1 0.4 1.5 2.2 3.1 2.9 | 17.3
Fog | 14.8 13.1 14.6 10.4 13.6 15.1 14.3 15.4 13.0 14.3 13.7 13.0 | 165.3
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 | 1.74 2.78 1.03 0.64 0.16 0.02 0.10 0.00 0.09 0.86 0.77 1.20 | 9.42
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Maximum Daily | 2.05 2.11 2.19 0.77 0.57 0.10 0.31 0.03 0.38 2.68 1.17 1.50 | 2.68
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Date of Ext-Day | 09 12 15 28 22 02 15 02 21 20 30 15 |
-Year| 2005 2001 2003 2005 2006 1999 1999 1999 2007 2004 2007 2008 |
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Avg Number of Days: | |
>= 0.01 | 6.1 7.7 5.5 3.8 1.6 0.8 1.6 0.1 1.0 3.6 5.4 7.4 | 44.6
>= 0.10 | 3.1 4.9 2.1 1.6 0.4 0.1 0.3 0.0 0.3 1.3 1.5 2.5 | 18.1
>= 0.25 | 2.0 3.4 1.4 0.8 0.3 0.0 0.1 0.0 0.1 0.7 0.9 1.2 | 10.9
>= 0.50 | 1.1 2.2 0.6 0.4 0.1 0.0 0.0 0.0 0.0 0.5 0.4 0.7 | 6.0
>= 1.00 | 0.3 0.7 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.2 0.3 | 1.9
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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| 4.2 4.6 5.2 5.8 6.1 6.3 6.0 5.4 4.8 4.2 3.7 3.6 | 5.0
Daily Avg Max 2-Min | 14.0 14.4 14.7 14.9 14.7 14.4 14.3 13.6 13.3 13.0 12.7 12.7 | 13.9
Daily Avg Peak Gust | 17.8 18.2 18.6 18.9 18.4 18.0 17.8 16.9 16.5 16.3 16.1 16.4 | 17.5
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Maximum Daily Avg | 22.2 13.1 15.8 10.6 10.0 9.7 9.3 8.9 9.8 18.9 13.6 17.1 | 22.2
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Maximum 2-Minute Avg| 40 29 35 28 26 30 28 20 25 33 35 39 | 40
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Date of Max 2min-Day| 06 20 28 01 03 27 27 28 28 13 25 22 |
-Year| 2003 2000 2003 2000 2001 2006 2002 2001 2005 2008 2002 1999 |
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Maximum Peak Gust | 49 40 45 35 36 35 40 23 35 47 45 48 | 49
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Date of Max Gust-Day| 06 20 28 18 03 27 27 29 28 13 25 22 |
-Year| 2003 2000 2003 2007 2001 2006 2002 2008 2005 2008 2002 1999 |
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Avg Number of Days: | |
Peak Gust >=30 | 2.8 1.5 1.0 0.7 0.3 0.2 0.1 0.0 0.2 1.0 1.7 2.1 | 11.6
Peak Gust >=40 | 0.6 0.1 0.2 0.0 0.0 0.0 0.1 0.0 0.0 0.2 0.4 0.2 | 1.8
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| 0.7 0.0 0.2 0.0 0.0 0.1 0.0 0.0 0.0 0.2 0.4 0.0 | 1.6
Max 2-Minute >=40| 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 | 0.1
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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.