474  
CDUS45 KRIW 190030  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
630 PM MDT FRI AUG 18 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR AUGUST 18 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 93 3:43 PM 99 1986 87 6 86  
MINIMUM 70 5:15 AM 37 2009 51 19 51  
AVERAGE 82 69 13 69  
 
PRECIPITATION (IN)  
TODAY 0.00 0.48 1978 0.02 -0.02 0.00  
MONTH TO DATE 0.84 0.51 0.33 1.70  
SINCE JUN 1 5.46 3.04 2.42 2.22  
SINCE JAN 1 12.31 8.55 3.76 10.10  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 T  
SINCE JUN 1 0.0 0.1 -0.1 T  
SINCE JUL 1 0.0 0.0 0.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 25 6 19 0  
SINCE JUN 1 195 146 49 126  
SINCE JUL 1 48 20 28 1  
 
COOLING  
TODAY 17 5 12 4  
MONTH TO DATE 69 109 -40 144  
SINCE JUN 1 255 360 -105 438  
SINCE JAN 1 255 364 -109 438    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 19.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 47  
LOWEST 21  
AVERAGE 34  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 97 2019  
MINIMUM TEMPERATURE (F) 51 37 2002  
 
SUNRISE AND SUNSET  
AUGUST 18 2023........SUNRISE 6:15 AM MDT SUNSET 8:04 PM MDT  
AUGUST 19 2023........SUNRISE 6:16 AM MDT SUNSET 8:02 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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