AFOS product CLICPR
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CDUS45 KRIW 200815
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
215 AM MDT FRI MAY 20 2011


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

...THE CASPER WY CLIMATE SUMMARY FOR MAY 19 2011...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1939 TO 2011


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         43        MM  89    2009  67    -24       54        
                                      1992                          
  MINIMUM         32        MM  27    1968  39     -7       47        
                                      1966                          
  AVERAGE         38                        53    -15       51      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.50          0.85 1975   0.08   0.42     0.50    
  MONTH TO DATE    1.79                      1.48   0.31     1.81    
  SINCE MAR 1      3.65                      3.90  -0.25     4.49    
  SINCE JAN 1      4.95                      5.12  -0.17     5.11    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.7                       0.1    0.6      0.0     
  MONTH TO DATE    0.7                       4.0   -3.3      2.8     
  SINCE MAR 1     13.1                      30.1  -17.0     26.3     
  SINCE JUL 1     63.2                      84.9  -21.7     76.1     
  SNOW DEPTH       T                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       27                        12     15       14       
  MONTH TO DATE  359                       279     80      420       
  SINCE MAR 1   1918                      1861     57     1952       
  SINCE JUL 1   7280                      7339    -59     7740       
                                                                     
 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    20   HIGHEST WIND DIRECTION     E (90)       
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     E (80)       
  AVERAGE WIND SPEED    14.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  SNOW                                                               
  LIGHT SNOW                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96          1000 AM                                     
 LOWEST     85           100 PM                                     
 AVERAGE    91                                                       

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

                                                                     
THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        89      1964                    
                                             1954                    
 MINIMUM TEMPERATURE (F)   39        24      2003                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 20 2011...........SUNRISE   538 AM MDT   SUNSET   827 PM MDT   
MAY 21 2011...........SUNRISE   537 AM MDT   SUNSET   828 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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