769  
CDUS45 KRIW 170734  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
134 AM MDT THU AUG 17 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR AUGUST 16 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 95 12:39 PM 96 1982 87 8 86  
1995  
2002  
MINIMUM 56 3:40 AM 38 2009 52 4 51  
AVERAGE 76 69 7  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.19 1992 0.02 -0.02 0.00  
MONTH TO DATE 0.84 0.47 0.37 1.55  
SINCE JUN 1 5.46 3.00 2.46 2.07  
SINCE JAN 1 12.31 8.51 3.80 9.95  
 
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 25 4 21 0  
SINCE JUN 1 195 144 51 126  
SINCE JUL 1 48 18 30 1  
 
COOLING  
YESTERDAY 11 5 6 4  
MONTH TO DATE 44 99 -55 135  
SINCE JUN 1 230 350 -120 429  
SINCE JAN 1 230 354 -124 429    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 8.6  
 
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 54 11:00 PM  
LOWEST 17 5:00 PM  
AVERAGE 36  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 97 2013  
2020  
MINIMUM TEMPERATURE (F) 51 36 2002  
2009  
 
SUNRISE AND SUNSET  
AUGUST 17 2023........SUNRISE 6:14 AM MDT SUNSET 8:05 PM MDT  
AUGUST 18 2023........SUNRISE 6:15 AM MDT SUNSET 8:04 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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