AFOS product CLICPR
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CLICPR

CLIMATE REPORT 
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT WED OCT 22 2025

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

...THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 21 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         63   3:00 PM  79    1992  57      6       71        
  MINIMUM         29  10:51 PM  12    1949  29      0       42        
  AVERAGE         46                        43      3              

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          0.46 2008   0.04  -0.04     0.00     
  MONTH TO DATE    1.49                      0.89   0.60     0.45     
  SINCE SEP 1      4.04                      1.84   2.20     0.69     
  SINCE JAN 1     11.35                     10.67   0.68     7.67     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           2.0  2007   0.2   -0.2      0.0      
  MONTH TO DATE    0.3                       4.4   -4.1       T       
  SINCE SEP 1      0.3                       5.9   -5.6       T       
  SINCE JUL 1      0.3                       5.9   -5.6       T       
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       19                        22     -3        8        
  MONTH TO DATE  320                       375    -55      238        
  SINCE SEP 1    433                       589   -156      340        
  SINCE JUL 1    443                       634   -191      378        

 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    26   HIGHEST WIND DIRECTION    SW (220)       
  HIGHEST GUST SPEED    34   HIGHEST GUST DIRECTION    SW (210)       
  AVERAGE WIND SPEED    13.4                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.0                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82          10:00 PM                                      
 LOWEST     19           3:00 PM                                      
 AVERAGE    51                                                        

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


THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   57        80      2003                      
 MINIMUM TEMPERATURE (F)   29         9      2020                      


SUNRISE AND SUNSET                                                    
OCTOBER 22 2025.......SUNRISE   7:28 AM MDT   SUNSET   6:12 PM MDT     
OCTOBER 23 2025.......SUNRISE   7:29 AM MDT   SUNSET   6:10 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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