202 
CDUS45 KRIW 180726
CLICPR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
126 AM MDT TUE MAY 18 2010


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

...THE CASPER WY CLIMATE SUMMARY FOR MAY 17 2010...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1939 TO 2010


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         75        MM  87    1948  67      8       82        
  MINIMUM         34        MM  28    1990  38     -4       36        
                                      1986                          
                                      1942                          
  AVERAGE         55                        52      3       59      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.22 2000   0.08  -0.08     0.00    
  MONTH TO DATE    1.08                      1.32  -0.24     0.12    
  SINCE MAR 1      3.76                      3.74   0.02     3.17    
  SINCE JAN 1      4.38                      4.96  -0.58     4.53    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.1   -0.1      0.0     
  MONTH TO DATE    2.8                       3.8   -1.0       T      
  SINCE MAR 1     26.3                      29.9   -3.6     34.0     
  SINCE JUL 1     76.1                      84.7   -8.6     75.9     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       10                        12     -2        6       
  MONTH TO DATE  398                       255    143      296       
  SINCE MAR 1   1930                      1837     93     2020       
  SINCE JUL 1   7718                      7315    403     6929       
                                                                     
 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    15   HIGHEST WIND DIRECTION     E (100)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     E (90)       
  AVERAGE WIND SPEED     7.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92           400 AM                                     
 LOWEST     19          1200 PM                                     
 AVERAGE    56                                                       

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

                                                                     
THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   67        88      2009                    
                                             1992                    
 MINIMUM TEMPERATURE (F)   39        25      1943                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 18 2010...........SUNRISE   540 AM MDT   SUNSET   825 PM MDT   
MAY 19 2010...........SUNRISE   539 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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