AFOS product CLICPR
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CDUS45 KRIW 210749
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
138 AM MDT TUE APR 21 2009


................................... 

...THE CASPER WY CLIMATE SUMMARY FOR APRIL 20 2009...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1937 TO 2009


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         69    343 PM  81    1989  57     12       66       
                                      1980                          
                                      1962                          
  MINIMUM         37   1259 AM  -2    1966  30      7       20       
  AVERAGE         53                        44      9       43      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.82 1974   0.05  -0.05     0.00    
  MONTH TO DATE    0.97                      0.89   0.08     0.59    
  SINCE MAR 1      1.97                      1.79   0.18     1.28    
  SINCE JAN 1      3.33                      3.01   0.32     1.95    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.4   -0.4      0.0     
  MONTH TO DATE   11.5                       9.9    1.6      5.7     
  SINCE MAR 1     29.0                      22.2    6.8     15.6     
  SINCE JUL 1     70.9                      77.0   -6.1     51.1     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       12                        21     -9       22       
  MONTH TO DATE  541                       468     73      530       
  SINCE MAR 1   1520                      1389    131     1537       
  SINCE JUL 1   6429                      6867   -438     6986       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE MAR 1      0                         0      0        0       
  SINCE JAN 1      0                         0      0        0       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION    NW (310)      
  HIGHEST GUST SPEED    46   HIGHEST GUST DIRECTION     N (340)      
  AVERAGE WIND SPEED    11.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    82          1200 AM                                     
 LOWEST     22           200 PM                                     
 AVERAGE    52                                                       

..........................................................

                                                                     
THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   58        83      1989                    
 MINIMUM TEMPERATURE (F)   31        14      1973                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 21 2009.........SUNRISE   614 AM MDT   SUNSET   756 PM MDT   
APRIL 22 2009.........SUNRISE   613 AM MDT   SUNSET   757 PM MDT   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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