605 
CDUS45 KRIW 180750
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
148 AM MDT SAT MAY 18 2013


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

...THE CASPER WY CLIMATE SUMMARY FOR MAY 17 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         81    409 PM  87    1948  67     14       83       
  MINIMUM         45   1159 PM  28    1990  38      7       57       
                                      1986                          
                                      1942                          
  AVERAGE         63                        52     11       70      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.08          2.22 2000   0.07   0.01      T      
  MONTH TO DATE    0.29                      1.10  -0.81     0.39    
  SINCE MAR 1      3.68                      3.21   0.47     1.73    
  SINCE JAN 1      4.45                      4.29   0.16     3.28    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.0    0.0      0.0     
  MONTH TO DATE    3.5                       2.4    1.1      0.0     
  SINCE MAR 1     53.0                      24.9   28.1      5.8     
  SINCE JUL 1     85.7                      74.3   11.4     52.4     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        2                        13    -11        0       
  MONTH TO DATE  200                       257    -57      191       
  SINCE MAR 1   2013                      1851    162     1363       
  SINCE JUL 1   7063                      7299   -236     6550       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        5       
  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     S (190)      
  HIGHEST GUST SPEED    39   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED     8.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           300 AM                                     
 LOWEST     12           500 PM                                     
 AVERAGE    56                                                       

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

                                                                     
THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        88      2009                    
                                             1992                    
 MINIMUM TEMPERATURE (F)   38        25      1943                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 18 2013...........SUNRISE   540 AM MDT   SUNSET   826 PM MDT   
MAY 19 2013...........SUNRISE   539 AM MDT   SUNSET   827 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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