677  
CDUS45 KRIW 120729  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
129 AM MDT THU MAR 12 2026  
   
...............................  
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR MARCH 11 2026  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1948 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 42 3:27 PM 64 1989 42 0 51  
MINIMUM 18 6:59 AM -12 1969 23 -5 26  
AVERAGE 30 33 -3  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.20 1963 0.01 -0.01 0.00  
MONTH TO DATE 0.69 0.14 0.55 0.59  
SINCE MAR 1 0.69 0.14 0.55 0.59  
SINCE JAN 1 0.85 0.89 -0.04 0.85  
 
DEGREE DAYS  
HEATING  
YESTERDAY 35 32 3 26  
MONTH TO DATE 318 378 -60 348  
SINCE MAR 1 318 378 -60 348  
SINCE JUL 1 4700 6168 -1468 5569  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 35 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 20.5  
 
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 59 1:00 AM  
LOWEST 21 3:00 PM  
AVERAGE 40  
   
......................................................  
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 43 61 1989  
MINIMUM TEMPERATURE (F) 23 -1 1956  
 
SUNRISE AND SUNSET  
MARCH 12 2026.........SUNRISE 7:33 AM MDT SUNSET 7:20 PM MDT  
MARCH 13 2026.........SUNRISE 7:31 AM MDT SUNSET 7:21 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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