653  
CDUS45 KRIW 060729  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
129 AM MDT WED MAY 06 2026  
   
...............................  
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR MAY 5 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 12:12 AM 79 2004 59 -17 61  
MINIMUM 26 11:01 PM 18 1950 35 -9 31  
2010  
AVERAGE 34 47 -13  
 
PRECIPITATION (IN)  
YESTERDAY 0.08 0.81 1978 0.04 0.04 0.08  
MONTH TO DATE 0.08 0.20 -0.12 0.14  
SINCE MAR 1 1.36 1.69 -0.33 1.85  
SINCE JAN 1 1.52 2.44 -0.92 2.11  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 18 13 19  
MONTH TO DATE 90 95 -5 74  
SINCE MAR 1 1352 1768 -416 1505  
SINCE JUL 1 5734 7558 -1824 6726  
 
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 32 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 16.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
HEAVY SNOW  
SNOW  
LIGHT SNOW  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 8:00 AM  
LOWEST 62 12:00 AM  
AVERAGE 81  
   
......................................................  
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 81 1966  
MINIMUM TEMPERATURE (F) 35 19 1965  
 
SUNRISE AND SUNSET  
MAY 6 2026...........SUNRISE 6:07 AM MDT SUNSET 8:20 PM MDT  
MAY 7 2026...........SUNRISE 6:05 AM MDT SUNSET 8:21 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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