AFOS product CLICPR
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CDUS45 KRIW 160730
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
130 AM MDT SAT MAY 16 2009


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

...THE CASPER WY CLIMATE SUMMARY FOR MAY 15 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         61    419 PM  87    1984  66     -5       61       
  MINIMUM         35   1159 PM  27    1983  38     -3       40       
  AVERAGE         48                        52     -4       51      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.02          1.52 1991   0.08  -0.06     0.02    
  MONTH TO DATE    0.12                      1.16  -1.04     1.38    
  SINCE MAR 1      3.17                      3.58  -0.41     3.34    
  SINCE JAN 1      4.53                      4.80  -0.27     4.01    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                         0.2   MM        0.0     
  MONTH TO DATE    T                         3.6   -3.6      5.3     
  SINCE MAR 1     34.0                      29.7    4.3     27.8     
  SINCE JUL 1     75.9                      84.5   -8.6     63.3     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       17                        13      4       14       
  MONTH TO DATE  273                       230     43      298       
  SINCE MAR 1   1997                      1812    185     2060       
  SINCE JUL 1   6906                      7290   -384     7509       
                                                                     
 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    NE (30)       
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NE (30)       
  AVERAGE WIND SPEED     8.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    85           500 AM                                     
 LOWEST     27           400 PM                                     
 AVERAGE    56                                                       

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

                                                                     
THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   66        87      1994                    
 MINIMUM TEMPERATURE (F)   38        28      1990                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 16 2009...........SUNRISE   542 AM MDT   SUNSET   823 PM MDT   
MAY 17 2009...........SUNRISE   541 AM MDT   SUNSET   825 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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