062 
CDUS45 KRIW 190750
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
146 AM MDT SUN MAY 19 2013


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

...THE CASPER WY CLIMATE SUMMARY FOR MAY 18 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1939 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         70   1153 AM  88    2009  68      2       71       
                                      1992                          
  MINIMUM         40    447 AM  25    1943  38      2       45       
  AVERAGE         55                        53      2       58      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.05          1.19 1978   0.07  -0.02     0.25    
  MONTH TO DATE    0.34                      1.17  -0.83     0.64    
  SINCE MAR 1      3.73                      3.28   0.45     1.98    
  SINCE JAN 1      4.50                      4.36   0.14     3.53    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.1   -0.1      0.0     
  MONTH TO DATE    3.5                       2.5    1.0      0.0     
  SINCE MAR 1     53.0                      25.0   28.0      5.8     
  SINCE JUL 1     85.7                      74.4   11.3     52.4     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       10                        12     -2        7       
  MONTH TO DATE  210                       269    -59      198       
  SINCE MAR 1   2023                      1863    160     1370       
  SINCE JUL 1   7073                      7311   -238     6557       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE   10                         0     10        7       
  SINCE MAR 1     10                         0     10        7       
  SINCE JAN 1     10                         0     10        7       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    31   HIGHEST WIND DIRECTION    SW (210)      
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED     8.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96           400 AM                                     
 LOWEST     25          1200 PM                                     
 AVERAGE    61                                                       

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

                                                                     
THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        89      2009                    
                                             1992                    
 MINIMUM TEMPERATURE (F)   38        27      1968                    
                                             1966                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 19 2013...........SUNRISE   539 AM MDT   SUNSET   827 PM MDT   
MAY 20 2013...........SUNRISE   538 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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