288  
CDUS45 KRIW 120747  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
147 AM MDT SAT AUG 12 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR AUGUST 11 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 87 4:24 PM 99 2000 88 -1 98  
MINIMUM 53 2:14 AM 39 2004 53 0 56  
AVERAGE 70 70 0  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.68 2022 0.02 -0.02 0.68  
MONTH TO DATE 0.84 0.34 0.50 0.89  
SINCE JUN 1 5.46 2.87 2.59 1.41  
SINCE JAN 1 12.31 8.38 3.93 9.29  
 
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 0 0 0  
MONTH TO DATE 13 0 13 0  
SINCE JUN 1 183 140 43 126  
SINCE JUL 1 36 14 22 1  
 
COOLING  
YESTERDAY 5 6 -1 12  
MONTH TO DATE 25 72 -47 101  
SINCE JUN 1 211 323 -112 395  
SINCE JAN 1 211 327 -116 395    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 7.7  
 
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 84 12:00 AM  
LOWEST 17 4:00 PM  
AVERAGE 51  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 100 2018  
MINIMUM TEMPERATURE (F) 53 37 2004  
 
SUNRISE AND SUNSET  
AUGUST 12 2023........SUNRISE 6:09 AM MDT SUNSET 8:12 PM MDT  
AUGUST 13 2023........SUNRISE 6:10 AM MDT SUNSET 8:11 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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