570  
CDUS45 KRIW 220728  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
128 AM MDT SUN OCT 22 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 21 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 65 3:22 PM 79 1992 57 8 73  
MINIMUM 35 11:44 PM 12 1949 29 6 30  
AVERAGE 50 43 7  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.46 2008 0.04 -0.04 0.00  
MONTH TO DATE 1.73 0.89 0.84 0.07  
SINCE SEP 1 2.32 1.84 0.48 0.88  
SINCE JAN 1 14.80 10.67 4.13 11.27  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.0 2007 0.2 -0.2 0.0  
MONTH TO DATE T 4.4 -4.4 0.0  
SINCE SEP 1 T 5.9 -5.9 0.0  
SINCE JUL 1 T 5.9 -5.9 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 22 -7 13  
MONTH TO DATE 285 375 -90 322  
SINCE SEP 1 412 589 -177 466  
SINCE JUL 1 465 634 -169 468  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 20 30 -10 68  
SINCE JAN 1 342 442 -100 544    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 5.9  
 
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 92 11:00 PM  
LOWEST 36 4:00 PM  
AVERAGE 64  
   
......................................................
 
 
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 2023.......SUNRISE 7:28 AM MDT SUNSET 6:12 PM MDT  
OCTOBER 23 2023.......SUNRISE 7:29 AM MDT SUNSET 6:11 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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