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JSC Weather Monthly Summary


JSC Building 30 Weather         Month:  Nov          Year:       2009

        Temperature in F                        Precipitation (inches)              Peak Wind (mph)             Altimeter                   Bldg 421 Rain
     Day  Max    Min   Average   HDD     CDD    Water   Snow  Snow Depth   Weather Direction Speed  Time [CST]  Min    Max    Remarks       See Below
       1   69    57      63.0    2.0            0.000                                  N       15      1734     30.12  30.20                0.00
       2   71    55      63.0    2.0            0.00                                   E       13      1126     30.12  30.22                0.00                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
       3   74    57      65.5            0.5    0.00                                   E       16      1052     30.19  30.28                0.00                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
       4   74    59      66.5            1.5    0.00                                   E       12      1242#    30.22  30.33                0.00                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
       5   74    60      67.0            2.0    0.00                                   NE      14      1316     30.27  30.38                0.00                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
       6   71    60      65.5            0.5    0.00                                   E       17      1422#    30.14  30.28                0.00                                                                                                                                                                                                                                                         
       7   74    63      68.5            3.5    0.00                                   E       18      1318#    30.05  30.16                0.00                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
       8   70    67      68.5            3.5    Trace                                  E       25      1348     29.96  30.06                0.00                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
       9   74    63      68.5            3.5    0.08*                                  E       18      1418#    30.05  30.16                0.15                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
      10   70    67      68.5            3.5    0.00                                   E       25      1448     29.96  30.07                0.00                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
      11   72    65      68.5            3.5    0.08*                                  NE      25      0336     29.94  30.06                0.00                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
      12   68    58      63.0    2.0            0.00                                   E       11      1418     29.94  30.10                0.00                                                                                                         
      13   74    60      67.0            2.0    0.00                                   S       16      1430#    29.84  29.96                0.00                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
      14   77    67      72.0            7.0    0.00                                   S       18      1644#    29.85  29.95                0.00                                                                                                                                                                                                                                                                                                                                                                                                        
      15   77    69      73.0            8.0    0.00                                   SW      24      1459#    29.88  29.98                0.00                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
      16   70    51      60.5   11.0            0.00                                   NW      36      1102#    29.92  30.18                0.01                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
      17   62    46      54.0    6.5            0.00                                   NW      28      1312#    30.04  30.20                0.00                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
      18   69    48      58.5    0.0            0.00                                   SE      17      1434     30.03  30.14                0.00                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
      19   70    60      65.0                   0.00                                   SE      26      1244     29.99  30.09                0.00                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
      20   67    57      62.0    3.0            1.44                              3    SE      31      1206     29.89  30.05                1.15                                                                                                                 1.15    
      21   55    51      53.0   12.0            0.08                              1    N       22      1856     29.88  29.95                0.50                                                                                                                             0.50                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
      22   67    49      58.0    7.0            0.01                              1    N       11      0328#    29.91  30.01  Light AM fog  0.04                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
      23   71    55      63.0    2.0            0.00                              1    SE      15      1359     29.98  30.08                0.00                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
      24   63    54      58.5    6.5            0.02                              1    N       19      1404     29.99  30.14                0.00                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
      25   63    48      55.5    9.5            0.02                                   N       22      1100     30.13  30.24                0.04                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
      26   63    46      54.5   10.5            0.00                                   N       24      1218     30.17  30.32                0.00                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
      27   64    47      55.5    9.5            0.00                                   S       12      1758     30.09  30.28                0.00                              
      28   68    59      63.5    1.5            0.00                                   SE      16      2232#    29.92  30.09                0.00                                                       
      29   73    65      69.0           4.0     0.00                                   S       17      1354#    29.85  29.96                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
      30   69    50      59.5    5.5            0.09                                   NW      28      0334     29.87  30.11                0.37@                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
      31                                                                                                                                                                                                                                                                                                                                                            

Sum                              95.0    43.0   1.82*                                                                                       2.26       

Average 69.4    57.1     63.3                    
Maximum   77      69                                                                           36                      30.38
Minimum   62      46                                                                                            29.84

Temperature Data         Precipitation Data              Weather Symbols:
Average Monthly:      63 Total for month:             1.82*     1 Fog
JSC avg-EFD Climo   +1.8 JSC - EFD Climo:            -1.88*     2 Fog, VSBY <= 1/4 SM
Highest:      77 on 15th Greatest daily total:        1.44      3 Thunder
Lowest:       46 on 17th Days with 0.01" or more:        8      4 Ice Pellets
                         Days with 0.10" or more:        1      5 Hail
                         Days with 0.50" or more:        1      6 Glaze or rime
                         Days with 1.00" or more:        1      7 Blowing Dust or Sand, VSB <= 1/2 SM
                         Year-to-date rainfall:      37.03*     8 Smoke or Haze
                         Days with thunder:              1      9 Blowing Snow
Bldg 421 rain  2.26      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: -6.77*                  @ Multiday rain total 
Remarks: 
*Year-to-date rainfall is underestimated due to data outage in February and some questionable measurements beginning in July.
Period of Record of Ellington Field climatology for comparison.  POR 07/1941 - 08/2007 
Cocorahs rain gauge near Bldg. 421 is generally read around 9AM so rain totals are approximately 9AM to 9AM.  Bldg 30 rainfail is 
measured midnight to midnight.


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
not necessarily mean that the phenomenon did not occur. Please read the disclaimer regarding products on the Internet.

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