AFOS product CLICPR
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download
798 
CDUS45 KRIW 160729
CLICPR

CLIMATE REPORT 
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT THU OCT 16 2025

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

...THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 15 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   2:14 PM  80    1958  60      3       74        
                                      1991                           
  MINIMUM         34   2:00 AM  17    2018  31      3       32        
  AVERAGE         49                        45      4              

PRECIPITATION (IN)                                                    
  YESTERDAY        0.28          1.28 1994   0.04   0.24     0.00     
  MONTH TO DATE    0.97                      0.66   0.31     0.00     
  SINCE SEP 1      3.52                      1.61   1.91     0.24     
  SINCE JAN 1     10.83                     10.44   0.39     7.22     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           2.0  1999   0.2   -0.2      0.0      
  MONTH TO DATE    0.0                       2.9   -2.9      0.0      
  SINCE SEP 1      0.0                       4.4   -4.4      0.0      
  SINCE JUL 1      0.0                       4.4   -4.4      0.0      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       16                        20     -4       12        
  MONTH TO DATE  201                       249    -48      143        
  SINCE SEP 1    314                       463   -149      245        
  SINCE JUL 1    324                       508   -184      283        

 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     E (80)        
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     E (90)        
  AVERAGE WIND SPEED     8.4                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.7                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  THUNDERSTORM                                                        
  RAIN                                                                
  LIGHT RAIN                                                          
  FOG                                                                 
  FOG W/VISIBILITY <= 1/4 MILE                                        
  HAZE                                                                


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           6:00 AM                                      
 LOWEST     62           1:00 PM                                      
 AVERAGE    81                                                        

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


THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   59        83      1991                      
 MINIMUM TEMPERATURE (F)   31        18      1992                      


SUNRISE AND SUNSET                                                    
OCTOBER 16 2025.......SUNRISE   7:21 AM MDT   SUNSET   6:21 PM MDT     
OCTOBER 17 2025.......SUNRISE   7:22 AM MDT   SUNSET   6:19 PM MDT     


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$