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JSC Weather Monthly Summary


JSC Building 30 Weather         Month:  Sep          Year:       2009

        Temperature in F                        Precipitation (inches)              Peak Wind (mph)             Altimeter

     Day  Max    Min   Average   HDD     CDD    Water   Snow  Snow Depth   Weather Direction Speed  Time [CDT]  Min    Max    Remarks

       1   83    75      79.0           14.0    0.00                                   E       19      0520     30.04  30.16
       2   MM    MM      MM.M           MM.M    0.00                                   M       MM      MMMM     MM.MM  MM.MM  Missing data                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
       3   86    79      82.5           17.5    0.00                                   SE      19      1756     29.91  30.03                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
       4   86    74      80.0           15.0    0.00                                   NE      18      0512     29.91  30.00                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
       5   87    76      81.5           16.5    0.01                                   E       20      1524#    29.94  30.03                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
       6   86    74      80.0           15.0    0.01                                   E       19      1520#    29.96  30.06                                                                                                                                                                                                                                                                
       7   88    76      82.0           17.0    0.00                                   SE      15      1520     29.90  30.02                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
       8   83    75      79.0           14.0    0.00                                   E       15      1402     29.87  29.97                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
       9   80    75      77.5           12.5    0.03                                   SW      10      1942#    29.89  29.99                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
      10   81    75      78.0           13.0    0.03                                   E       13      1426     29.91  29.99                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
      11   80    74      77.0           12.0    0.01                              3    NE      24      2234     29.83  29.95                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
      12   78    73      75.5           10.5    0.30                                   E       16      1934     29.70  29.83                                                                                                                             
      13   86    73      79.5           14.5    0.03                                   N       15      1522#    29.66  29.76                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
      14   85    73      79.0           14.0    0.00                                   NW      25      1724     29.73  29.82                                                                                                                                                                                                                                                                                                                                                                                               
      15   79    71      75.0           10.0    0.00                                   NW      20      1248     29.79  29.87                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
      16   86    72      79.0           14.0    0.00                                   NW      20      1914#    29.78  29.87                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
      17   80    71      75.5           10.5    0.00                                   W       19      1727     29.79  29.86                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
      18   82    72      77.0           12.0    Trace                                  NW      18      1217     29.85  29.96                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
      19   83    71      77.0           12.0    0.00                                   NW      16      1410#    29.94  30.02                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
      20   85    75      80.0           15.0    0.06                                   E       16      1432#    29.91  30.03                                                                                                                                                                                                                                                                                           
      21   87    78      82.5           17.5    Trace                                  SE      19      1504#    29.88  29.97                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
      22   80    67      73.5            8.5    0.86                              3    N       22      1248#    29.90  30.05                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
      23   79    67      73.0            8.0    0.01                                   N       23      1916#    30.00  30.09                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
      24   74    66      70.0            5.0    0.01                                   N       22      1858     30.00  30.08                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
      25   76    69      72.5            7.5    0.01                            1,8    NE      16      0420     30.01  30.09  Hazy                                                                                                                                                                                                                                                                                                                                                                                                                                   
      26   85    71      78.0           13.0    0.00                                   S       12      2041     29.93  30.05                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
      27   90    75      82.5           17.5    0.00                                   SE      16      2108     29.82  29.96                                 
      28   90    75      82.5           17.5    0.01                              3    E       26      1613     29.87  30.02                                    
      29   78    72      75.0           10.0    0.00                                   E       20      1130     29.98  30.13                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
      30   79    68      73.5            8.5    Trace                             3    E       21      1352#    29.95  30.07                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
      31                                                                                                                                                                                                                                                                                                                                                             

Sum                             00.0   372.0    1.32          

Average 82.8    72.8       77.8                    
Maximum   90      79                                                                           26                      30.16
Minimum   74      66                                                                                            29.66

Temperature Data         Precipitation Data              Weather Symbols:
Average Monthly:      78 Total for month:             1.32      1 Fog
JSC avg-EFD Climo   -1.7 JSC - EFD Climo:            -3.68      2 Fog, VSBY <= 1/4 SM
Highest:      90 on 28th Greatest daily total:        0.86      3 Thunder
Lowest:       66 on 24th Days with 0.01" or more:       12      4 Ice Pellets
                         Days with 0.10" or more:        2      5 Hail
                         Days with 0.50" or more:        1      6 Glaze or rime
                         Days with 1.00" or more:        0      7 Blowing Dust or Sand, VSB <= 1/2 SM
                         Year-to-date rainfall:      28.69*     8 Smoke or Haze
                         Days with thunder:              4      9 Blowing Snow
                         Lightning flashes within      TBD      X Tornado, waterspout, funnel cloud
                         Days with dense fog:            0      # Last of more than one occurrence
JSC - EFD climate year to end of month: -7.51*
Remarks: 
Year-to-date rainfall is underestimated due to data outage in February and some questionable measurements in late July and August.
Period of Record of Ellington Field climatology for comparison.  POR 07/1941 - 08/2007 


JSC weather observations are considered experimental and unofficial. Quality control procedures of the data appearing
on this page are minimal. SMG does not maintain a routine weather watch so absence of a weather type does
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