STATION: HAWTHORNE-NRTHORP FLD/HATHRN MUNI AP (KHHR), 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
| |
Avg Max Temp | 67.1 66.8 67.8 68.5 71.4 73.6 77.4 77.7 76.9 75.1 71.2 67.0 | 71.7
Avg Min Temp | 49.2 50.3 52.8 54.3 58.8 61.8 65.0 64.9 63.1 59.5 53.8 48.6 | 56.8
Avg Temperature | 58.2 58.6 60.3 61.4 65.1 67.7 71.2 71.3 70.0 67.3 62.5 57.8 | 64.3
| |
Extremes: | |
Extreme Max Temp| 91 90 92 101 98 95 92 90 101 99 94 85 | 101
| |
Date of Ext-Day | 31 21 08 27 03 27 20 31 30 20 07 11 |
-Year| 2003 2002 2004 2008 2004 2006 2005 2007 1999 1999 2006 2004 |
| |
Extreme Min Temp| 34 38 41 43 51 51 58 60 57 50 41 37 | 34
| |
Date of Ext-Day | 14 11 12 04 01 04 01 08 11 30 29 23 |
-Year| 2007 1999 2006 1999 1999 1999 2005 1999 1999 2000 2004 1998 |
| |
Heating Degree Days | 222 191 162 131 41 6 0 0 1 28 103 226 | 1110
Cooling Degree Days | 10 9 16 24 44 87 192 195 150 98 28 2 | 855
| |
Avg Number of Days: | |
Max Temp >= 90 | 0.1 0.1 0.5 0.7 0.7 0.4 0.5 0.1 1.7 2.5 0.5 0.0 | 7.8
Max Temp >= 75 | 5.5 4.2 4.6 4.4 6.1 9.7 21.5 25.3 17.6 12.3 7.9 5.4 | 124.4
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
| |
Avg Dew Point Temp | 41.5 43.9 46.3 47.6 53.3 57.2 60.5 60.1 58.2 53.0 46.6 40.7 | 50.7
Avg Wet Bulb Temp | 49.9 51.0 52.7 53.8 58.0 61.1 63.7 64.0 62.3 58.8 54.1 49.1 | 56.5
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Avg Sea Level Pres | 30.10 30.07 30.02 29.99 29.94 29.91 29.92 29.91 29.89 29.95 30.04 30.10 | 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| |
| |
Avg Number of Days: | |
Thunderstorms | 1.5 1.0 0.5 0.3 0.6 0.2 0.4 0.2 0.4 1.2 1.0 1.4 | 8.7
Heavy Fog | 2.0 0.9 1.2 0.3 0.4 0.1 0.0 0.4 1.4 2.1 2.6 1.8 | 13.2
Fog | 12.7 11.3 11.4 7.2 10.6 11.8 11.1 11.2 12.5 13.5 12.1 12.4 | 137.8
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
| |
Average Monthly | 2.08 3.22 1.20 0.91 0.24 0.01 0.01 0.00 0.12 0.73 0.75 1.44 | 10.71
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Maximum Daily | 1.61 2.71 2.66 1.66 0.78 0.12 0.06 0.00 0.60 1.33 1.33 3.81 | 3.81
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Date of Ext-Day | 10 12 15 11 02 02 28 22 20 08 28 |
-Year| 2001 2003 2003 1999 2003 1999 2003 2007 2004 1998 2004 |
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Avg Number of Days: | |
>= 0.01 | 7.9 8.1 5.4 3.0 1.0 0.3 0.4 0.0 0.8 2.8 5.8 6.8 | 42.3
>= 0.10 | 3.6 5.4 2.1 1.8 0.6 0.1 0.0 0.0 0.3 1.4 1.4 2.4 | 19.1
>= 0.25 | 2.7 3.5 1.3 1.1 0.3 0.0 0.0 0.0 0.2 1.1 1.3 1.5 | 13.0
>= 0.50 | 1.6 2.4 0.8 0.6 0.2 0.0 0.0 0.0 0.1 0.6 0.6 0.6 | 7.5
>= 1.00 | 0.5 0.9 0.2 0.1 0.0 0.0 0.0 0.0 0.0 0.1 0.1 0.3 | 2.2
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WIND (MPH) | Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec | Year
| |
Daily Avg Wind Speed| 3.5 4.5 5.2 6.0 5.9 5.9 5.8 5.5 5.0 4.0 3.2 3.1 | 4.8
Daily Avg Max 2-Min | 12.8 14.9 15.7 16.9 15.7 14.8 14.8 14.7 14.6 13.7 12.9 12.6 | 14.5
Daily Avg Peak Gust | 15.8 18.3 19.2 20.8 19.3 18.4 18.0 17.9 17.7 16.4 15.8 15.8 | 17.8
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Maximum Daily Avg | 14.2 13.6 12.6 12.7 11.1 9.3 9.4 8.2 9.0 10.8 10.0 11.2 | 14.2
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Maximum 2-Minute Avg| 26 29 32 34 25 23 22 22 25 31 32 31 | 34
| |
Date of Max 2min-Day| 05 13 27 03 09 08 16 04 19 05 24 27 |
-Year| 2008 2001 2007 1999 2003 2000 2003 2003 2004 2007 2001 2006 |
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Maximum Peak Gust | 37 38 43 44 31 29 25 26 30 40 43 40 | 44
| |
Date of Max Gust-Day| 05 13 15 12 09 08 16 26 19 05 21 25 |
-Year| 2008 2001 2008 2007 2003 2000 2003 2007 2004 2007 1999 2008 |
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Avg Number of Days: | |
Peak Gust >=30 | 0.6 0.9 1.9 1.8 0.6 0.0 0.0 0.0 0.1 0.1 0.6 1.1 | 7.7
Peak Gust >=40 | 0.0 0.0 0.2 0.2 0.0 0.0 0.0 0.0 0.0 0.1 0.1 0.1 | 0.7
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| 0.0 0.0 0.2 0.3 0.0 0.0 0.0 0.0 0.0 0.1 0.2 0.0 | 0.8
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.