STATION: SACRAMENTO INTL AIRPORT (KSMF), CA
CLIMATOLOGICAL SUMMARY. Period of Record: May 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 | 54.0 59.3 66.3 71.0 81.5 88.3 93.4 92.3 87.7 77.8 63.6 55.1 | 74.2
Avg Min Temp | 38.2 40.2 42.6 44.6 51.8 56.7 59.5 58.2 54.7 47.7 41.9 37.8 | 47.8
Avg Temperature | 46.1 49.8 54.5 57.8 66.6 72.5 76.4 75.2 71.2 62.8 52.7 46.4 | 61.0
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Extremes: | |
Extreme Max Temp| 67 75 87 96 103 107 111 108 104 104 80 77 | 111
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Date of Ext-Day | 23 27 10 26 31 14 22 04 01 01 04 08 |
-Year| 2006 2002 2008 2004 2001 2000 2006 1998 1998 2001 2001 2008 |
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Extreme Min Temp| 21 26 29 31 38 44 46 49 42 31 27 19 | 19
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Date of Ext-Day | 13 16 08 09 04 08 22 19 30 31 23 22 |
-Year| 2007 2006 2002 1999 1999 1999 2008 1999 2007 2002 2003 1998 |
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Heating Degree Days | 587 430 327 228 55 7 0 0 9 106 368 576 | 2693
Cooling Degree Days | 0 0 1 12 106 232 355 318 194 37 0 0 | 1254
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Avg Number of Days: | |
Max Temp >= 90 | 0.0 0.0 0.0 0.5 6.5 13.5 22.9 21.7 13.5 2.2 0.0 0.0 | 80.8
Max Temp >= 75 | 0.0 0.1 5.3 9.8 24.0 28.6 31.0 30.7 28.4 20.1 2.4 0.1 | 180.7
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 | 7.5 2.8 0.4 0.2 0.0 0.0 0.0 0.0 0.0 0.1 2.6 8.0 | 21.6
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 0.2 | 0.2
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 | 40.5 42.6 44.1 44.1 48.4 51.8 55.3 54.3 50.3 44.6 44.2 40.2 | 46.7
Avg Wet Bulb Temp | 43.4 46.2 49.2 50.7 56.4 60.2 63.0 62.2 58.9 52.9 48.3 43.4 | 52.9
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Avg Sea Level Pres | 30.16 30.08 30.05 29.99 29.92 29.87 29.86 29.86 29.86 29.97 30.09 30.15 | 29.99
(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 | 1.5 1.2 1.1 0.9 0.7 0.4 0.5 0.4 1.3 1.4 2.1 1.3 | 12.6
Heavy Fog | 9.7 3.7 2.2 0.4 0.2 0.0 0.0 0.1 0.0 0.8 6.7 7.6 | 31.4
Fog | 24.2 19.8 14.5 7.4 4.7 1.0 0.8 2.5 3.2 9.0 19.8 21.6 | 128.6
Hail | 0.0 0.3 0.0 0.0 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 | 0.5
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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 | 3.18 3.72 1.92 1.40 0.63 0.08 0.00 0.07 0.08 0.65 1.90 3.50 | 17.12
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Maximum Daily | 2.04 2.52 1.14 1.66 1.34 0.32 0.02 0.74 0.22 1.04 2.10 1.93 | 2.52
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Date of Ext-Day | 24 25 15 05 28 08 31 22 19 26 07 31 |
-Year| 2000 2004 2003 1999 1998 2005 2003 2003 2004 2004 2002 2005 |
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Avg Number of Days: | |
>= 0.01 | 14.4 13.3 9.5 6.6 3.6 0.7 0.1 0.2 1.0 4.0 13.1 13.5 | 80.0
>= 0.10 | 6.3 7.8 4.6 3.4 1.6 0.4 0.0 0.1 0.4 1.6 4.3 7.1 | 37.6
>= 0.25 | 3.8 5.6 3.0 2.0 0.6 0.1 0.0 0.1 0.0 0.7 2.4 5.0 | 23.3
>= 0.50 | 2.3 2.8 1.3 0.8 0.2 0.0 0.0 0.1 0.0 0.4 1.1 1.8 | 10.8
>= 1.00 | 0.7 0.5 0.2 0.1 0.1 0.0 0.0 0.0 0.0 0.1 0.3 0.7 | 2.7
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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| 6.8 7.8 7.9 8.5 8.7 9.0 8.6 8.2 7.4 6.9 6.2 7.5 | 7.8
Daily Avg Max 2-Min | 15.6 16.9 17.0 17.9 17.4 16.9 15.9 15.3 15.1 15.0 14.7 16.9 | 16.2
Daily Avg Peak Gust | 18.4 20.1 20.2 21.9 21.2 20.4 18.8 18.2 18.1 18.0 17.5 20.4 | 19.4
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Maximum Daily Avg | 28.6 23.7 23.3 19.7 24.2 22.4 16.5 18.6 23.7 24.4 24.7 30.2 | 30.2
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Maximum 2-Minute Avg| 58 48 44 36 38 38 29 30 35 38 46 47 | 58
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Date of Max 2min-Day| 04 25 04 03 02 16 30 03 03 21 24 29 |
-Year| 2008 2004 2001 1999 2001 1998 2003 2008 2004 2000 2001 2003 |
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Maximum Peak Gust | 66 61 52 45 47 48 35 56 43 46 56 56 | 66
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Date of Max Gust-Day| 04 25 04 28 02 16 30 03 22 21 24 14 |
-Year| 2008 2004 2001 2004 2001 1998 2003 2008 2006 2000 2001 2002 |
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Avg Number of Days: | |
Peak Gust >=30 | 4.2 5.4 4.4 4.9 2.9 1.5 0.3 0.4 1.4 3.1 2.9 6.3 | 37.6
Peak Gust >=40 | 0.9 1.5 0.9 0.7 0.2 0.3 0.0 0.1 0.1 0.5 0.6 2.2 | 7.9
Peak Gust >=50 | 0.3 0.1 0.2 0.0 0.0 0.0 0.0 0.1 0.0 0.0 0.3 0.5 | 1.4
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Max 2-Minute >=30| 2.2 2.3 1.6 1.0 0.7 0.6 0.0 0.1 0.5 1.0 1.3 0.0 | 11.3
Max 2-Minute >=40| 0.4 0.2 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.4 0.0 | 1.1
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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.