AFOS product CLICPR
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CDUS45 KRIW 170749
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
147 AM MDT SUN MAY 17 2009


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

...THE CASPER WY CLIMATE SUMMARY FOR MAY 16 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         70    441 PM  87    1994  66      4       73       
  MINIMUM         25R   414 AM  28    1990  38    -13       42       
  AVERAGE         48                        52     -4       58      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.80 1991   0.08  -0.08      T      
  MONTH TO DATE    0.12                      1.24  -1.12     1.38    
  SINCE MAR 1      3.17                      3.66  -0.49     3.34    
  SINCE JAN 1      4.53                      4.88  -0.35     4.01    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.1   -0.1      0.0     
  MONTH TO DATE    T                         3.7   -3.7      5.3     
  SINCE MAR 1     34.0                      29.8    4.2     27.8     
  SINCE JUL 1     75.9                      84.6   -8.7     63.3     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       17                        13      4        7       
  MONTH TO DATE  290                       243     47      305       
  SINCE MAR 1   2014                      1825    189     2067       
  SINCE JUL 1   6923                      7303   -380     7516       
                                                                     
 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    18   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     6.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92           300 AM                                     
 LOWEST     12           500 PM                                     
 AVERAGE    52                                                       

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

                                                                     
THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   67        87      1948                    
 MINIMUM TEMPERATURE (F)   38        28      1990                    
                                             1986                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 17 2009...........SUNRISE   541 AM MDT   SUNSET   825 PM MDT   
MAY 18 2009...........SUNRISE   540 AM MDT   SUNSET   826 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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