158  
CDUS45 KRIW 210727  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1227 AM MST SUN JAN 21 2024  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR JANUARY 20 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1948 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 34 3:11 PM 51 2005 30 4 24  
MINIMUM 18 3:47 AM -12 1962 14 4 9  
AVERAGE 26 22 4  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.24 1962 0.01 -0.01 0.00  
MONTH TO DATE 0.04 0.24 -0.20 0.02  
SINCE DEC 1 0.06 0.55 -0.49 0.19  
SINCE JAN 1 0.04 0.24 -0.20 0.02  
 
DEGREE DAYS  
HEATING  
YESTERDAY 39 43 -4 48  
MONTH TO DATE 939 872 67 880  
SINCE DEC 1 2152 2222 -70 1988  
SINCE JUL 1 3841 4176 -335 3909  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 3.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 4:00 AM  
LOWEST 71 12:00 AM  
AVERAGE 84  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 46 1981  
2009  
MINIMUM TEMPERATURE (F) 14 -19 1962  
 
SUNRISE AND SUNSET  
JANUARY 21 2024.......SUNRISE 7:38 AM MST SUNSET 5:18 PM MST  
JANUARY 22 2024.......SUNRISE 7:37 AM MST SUNSET 5:19 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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