AFOS product CLICPR
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CDUS45 KRIW 190727
CLICPR

CLIMATE REPORT 
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT SUN OCT 19 2025

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

...THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 18 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         48   3:59 PM  78    2003  59    -11       38        
  MINIMUM         30  10:21 PM  16    2006  30      0       28        
  AVERAGE         39                        44     -5              

PRECIPITATION (IN)                                                    
  YESTERDAY        0.14          0.35 1971   0.04   0.10     0.20     
  MONTH TO DATE    1.46                      0.78   0.68     0.45     
  SINCE SEP 1      4.01                      1.73   2.28     0.69     
  SINCE JAN 1     11.32                     10.56   0.76     7.67     

SNOWFALL (IN)                                                              
  YESTERDAY       MM             2.3  1982   0.3   MM         T       
  MONTH TO DATE    0.0                       3.7   -3.7       T       
  SINCE SEP 1      0.0                       5.2   -5.2       T       
  SINCE JUL 1      0.0                       5.2   -5.2       T       
  SNOW DEPTH      MM                                                  

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       26                        21      5       32        
  MONTH TO DATE  265                       310    -45      198        
  SINCE SEP 1    378                       524   -146      300        
  SINCE JUL 1    388                       569   -181      338        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE SEP 1     17                        30    -13       63        
  SINCE JAN 1    467                       442     25      538        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    SW (220)       
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     W (260)       
  AVERAGE WIND SPEED     5.8                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.4                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           5:00 AM                                      
 LOWEST     42           3:00 PM                                      
 AVERAGE    71                                                        

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


THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   58        79      2003                      
 MINIMUM TEMPERATURE (F)   30        17      1949                      


SUNRISE AND SUNSET                                                    
OCTOBER 19 2025.......SUNRISE   7:25 AM MDT   SUNSET   6:16 PM MDT     
OCTOBER 20 2025.......SUNRISE   7:26 AM MDT   SUNSET   6:15 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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