STATION: SANTA MONICA MUNI AIRPORT (KSMO), CA
CLIMATOLOGICAL SUMMARY. Period of Record: Apr 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 | 65.4 65.2 66.2 66.6 69.5 71.7 75.3 75.4 74.7 72.0 69.4 65.0 | 69.7
Avg Min Temp | 47.9 48.2 50.9 51.9 56.8 60.1 63.3 62.9 60.8 56.9 51.9 47.4 | 54.9
Avg Temperature | 56.7 56.7 58.6 59.2 63.2 65.9 69.3 69.2 67.8 64.4 60.6 56.2 | 62.3
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Extremes: | |
Extreme Max Temp| 88 88 90 93 94 94 91 85 99 96 91 82 | 99
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Date of Ext-Day | 31 21 29 13 03 27 24 14 05 05 07 11 |
-Year| 2003 2002 2004 2008 2004 2006 2006 2003 2004 2005 2006 2004 |
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Extreme Min Temp| 32 38 39 43 50 54 56 58 54 48 38 38 | 32
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Date of Ext-Day | 14 03 12 01 01 07 12 08 21 30 30 27 |
-Year| 2007 2002 2006 1998 2002 2005 2001 2002 2007 2000 2006 2008 |
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Heating Degree Days | 269 241 208 186 78 14 2 0 7 61 151 273 | 1491
Cooling Degree Days | 11 6 9 12 21 42 136 129 89 43 20 2 | 521
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Avg Number of Days: | |
Max Temp >= 90 | 0.0 0.0 0.1 0.7 0.5 0.3 0.1 0.0 0.8 1.0 0.1 0.0 | 3.6
Max Temp >= 75 | 4.5 3.3 3.3 2.8 3.9 4.3 15.8 16.8 12.2 8.2 6.3 3.6 | 84.8
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 | 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
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 | 39.0 42.3 45.8 47.5 52.3 56.6 60.6 59.7 57.6 53.0 45.4 40.5 | 50.0
Avg Wet Bulb Temp | 48.0 49.8 52.0 52.3 56.9 59.7 63.2 61.9 60.9 57.2 52.3 48.8 | 55.3
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Avg Sea Level Pres | 30.09 30.05 30.03 29.99 29.94 29.90 29.91 29.91 29.89 29.95 30.03 30.09 | 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| |
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Avg Number of Days: | |
Thunderstorms | 0.4 1.0 0.2 0.4 0.1 0.1 0.1 0.1 0.4 0.7 0.4 0.3 | 4.4
Heavy Fog | 2.2 0.9 1.5 0.3 1.1 0.4 1.0 0.6 2.0 2.3 2.0 2.0 | 16.4
Fog | 12.2 12.0 13.8 9.4 10.2 12.1 13.9 12.9 12.6 16.1 11.4 12.4 | 149.1
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 | 2.99 3.67 1.26 0.53 0.19 0.00 0.24 0.00 0.10 0.85 0.56 1.69 | 12.10
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Maximum Daily | 2.99 2.27 2.54 1.19 0.36 0.01 1.31 0.01 0.48 1.11 0.74 2.87 | 2.99
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Date of Ext-Day | 10 12 15 04 22 16 31 27 21 26 24 28 |
-Year| 2001 2001 2003 2006 2006 2001 2002 2002 2007 2004 2001 2004 |
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Avg Number of Days: | |
>= 0.01 | 5.8 7.0 4.5 2.6 1.4 0.2 0.6 0.2 1.2 5.1 5.2 7.3 | 41.3
>= 0.10 | 3.5 5.0 1.9 1.0 0.6 0.0 0.2 0.0 0.2 1.7 1.6 2.9 | 18.7
>= 0.25 | 3.0 3.8 1.1 0.9 0.4 0.0 0.2 0.0 0.1 1.1 0.8 1.3 | 12.8
>= 0.50 | 2.5 2.4 0.6 0.3 0.0 0.0 0.2 0.0 0.0 0.8 0.3 0.8 | 8.0
>= 1.00 | 1.0 1.4 0.4 0.1 0.0 0.0 0.1 0.0 0.0 0.1 0.0 0.6 | 3.7
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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| 4.9 5.1 5.2 5.4 5.3 5.2 5.0 4.7 4.4 4.1 4.1 4.4 | 4.8
Daily Avg Max 2-Min | 13.6 14.2 14.9 14.9 14.4 13.6 13.5 13.3 13.1 12.8 12.2 12.5 | 13.6
Daily Avg Peak Gust | 18.0 18.4 19.4 19.7 18.4 17.2 16.9 16.5 16.6 16.2 16.2 16.9 | 17.5
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Maximum Daily Avg | 14.8 11.0 16.5 10.9 10.2 7.3 7.2 6.8 7.8 9.7 12.3 11.0 | 16.5
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Maximum 2-Minute Avg| 37 30 32 28 23 22 18 24 23 28 28 29 | 37
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Date of Max 2min-Day| 06 19 27 05 05 25 08 26 19 19 24 25 |
-Year| 2003 2003 2003 2006 2007 2006 2001 2007 2004 2004 2001 2003 |
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Maximum Peak Gust | 54 41 46 38 32 29 26 32 33 40 39 43 | 54
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Date of Max Gust-Day| 06 19 27 05 09 06 16 26 19 20 26 21 |
-Year| 2003 2003 2003 2006 2003 2007 2003 2007 2004 2007 2005 2007 |
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Avg Number of Days: | |
Peak Gust >=30 | 2.0 1.2 2.0 1.2 0.4 0.0 0.0 0.1 0.1 0.7 1.2 2.4 | 11.3
Peak Gust >=40 | 0.6 0.1 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.3 | 1.5
Peak Gust >=50 | 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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Max 2-Minute >=30| 0.8 0.1 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 | 1.0
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.