044  
CDUS45 KRIW 210730  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
130 AM MDT MON AUG 21 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR AUGUST 20 2023
 
 
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)  
YESTERDAY  
MAXIMUM 88 2:32 PM 97 1973 86 2 85  
MINIMUM 57 11:59 PM 38 2016 51 6 47  
AVERAGE 73 68 5  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 0.15 1982 0.02 0.03 0.00  
MONTH TO DATE 0.89 0.56 0.33 1.70  
SINCE JUN 1 5.51 3.09 2.42 2.22  
SINCE JAN 1 12.36 8.60 3.76 10.10  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2020 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  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 25 8 17 0  
SINCE JUN 1 195 148 47 126  
SINCE JUL 1 48 22 26 1  
 
COOLING  
YESTERDAY 8 4 4 1  
MONTH TO DATE 86 118 -32 146  
SINCE JUN 1 272 369 -97 440  
SINCE JAN 1 272 373 -101 440    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 7.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 6:00 AM  
LOWEST 33 3:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 95 1949  
1960  
MINIMUM TEMPERATURE (F) 50 38 2016  
 
SUNRISE AND SUNSET  
AUGUST 21 2023........SUNRISE 6:18 AM MDT SUNSET 7:59 PM MDT  
AUGUST 22 2023........SUNRISE 6:19 AM MDT SUNSET 7:57 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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