AFOS product CLICPR
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CDUS45 KRIW 220726
CLICPR

CLIMATE REPORT 
NATIONAL WEATHER SERVICE RIVERTON WY
126 AM MDT FRI AUG 22 2025

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

...THE CASPER WY CLIMATE SUMMARY FOR AUGUST 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         86   1:00 PM  96    2024  86      0       96        
  MINIMUM         55   4:43 AM  38    2016  50      5       60        
  AVERAGE         71                        68      3              

PRECIPITATION (IN)                                                    
  YESTERDAY        T             0.28 1987   0.02  -0.02      T       
  MONTH TO DATE    0.23                      0.58  -0.35     0.19     
  SINCE JUN 1      1.90                      3.11  -1.21     1.52     
  SINCE JAN 1      6.82                      8.62  -1.80     6.78     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           0.0  2020   0.0    0.0      0.0      
  MONTH TO DATE    0.0                       0.0    0.0      0.0      
  SINCE JUN 1      0.0                       0.1   -0.1      0.0      
  SINCE JUL 1      0.0                       0.0    0.0      0.0      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                         1     -1        0        
  MONTH TO DATE    4                         9     -5        6        
  SINCE JUN 1    100                       149    -49       76        
  SINCE JUL 1      9                        23    -14       22        

 COOLING                                                              
  YESTERDAY        6                         4      2       13        
  MONTH TO DATE  133                       122     11      149        
  SINCE JUN 1    435                       373     62      437        
  SINCE JAN 1    435                       377     58      440        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    NE (30)        
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     N (20)        
  AVERAGE WIND SPEED     7.9                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.1                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  LIGHT RAIN                                                          


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    67          11:00 PM                                      
 LOWEST     28           1:00 PM                                      
 AVERAGE    48                                                        

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


THE CASPER WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   85        97      2009                      
                                             2010                     
 MINIMUM TEMPERATURE (F)   50        36      1966                      


SUNRISE AND SUNSET                                                    
AUGUST 22 2025........SUNRISE   6:20 AM MDT   SUNSET   7:56 PM MDT     
AUGUST 23 2025........SUNRISE   6:21 AM MDT   SUNSET   7:55 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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