AFOS product CLICPR
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CDUS45 KRIW 210730
CLICPR

CLIMATE REPORT 
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT THU SEP 21 2023

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

...THE CASPER WY CLIMATE SUMMARY FOR SEPTEMBER 20 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2023


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         76   2:34 PM  89    1956  74      2       81        
  MINIMUM         43  11:45 PM  16    1983  41      2       41        
  AVERAGE         60                        57      3              

PRECIPITATION (IN)                                                    
  YESTERDAY        0.01          2.01 1989   0.04  -0.03     0.04     
  MONTH TO DATE    0.55                      0.55   0.00     0.66     
  SINCE SEP 1      0.55                      0.55   0.00     0.66     
  SINCE JAN 1     13.03                      9.38   3.65    11.05     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           6.9  1995   0.1   -0.1      0.0      
  MONTH TO DATE    0.0                       0.6   -0.6      0.0      
  SINCE SEP 1      0.0                       0.6   -0.6      0.0      
  SINCE JUL 1      0.0                       0.6   -0.6       T       
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        5                         8     -3        4        
  MONTH TO DATE   62                       105    -43       81        
  SINCE SEP 1     62                       105    -43       81        
  SINCE JUL 1    115                       150    -35       83        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE   19                        29    -10       68        
  SINCE SEP 1     19                        29    -10       68        
  SINCE JAN 1    341                       441   -100      544        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     N (10)        
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION    NW (330)       
  AVERAGE WIND SPEED    13.3                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.2                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90          11:00 PM                                      
 LOWEST     11           2:00 PM                                      
 AVERAGE    51                                                        

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


THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   73        85      1966                      
 MINIMUM TEMPERATURE (F)   40        21      1983                      


SUNRISE AND SUNSET                                                    
SEPTEMBER 21 2023.....SUNRISE   6:52 AM MDT   SUNSET   7:05 PM MDT     
SEPTEMBER 22 2023.....SUNRISE   6:53 AM MDT   SUNSET   7:03 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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