171  
CDUS45 KRIW 300727  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT SUN APR 30 2023  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR APRIL 29 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1948 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 70 2:29 PM 79 2007 57 13 46  
MINIMUM 35 4:50 AM 17 1950 33 2 30  
AVERAGE 53 45 8  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.60 1978 0.03 -0.03 0.01  
MONTH TO DATE 0.16 0.87 -0.71 0.39  
SINCE MAR 1 0.44 1.45 -1.01 0.59  
SINCE JAN 1 0.67 2.20 -1.53 0.60  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 20 -8 27  
MONTH TO DATE 851 692 159 737  
SINCE MAR 1 2122 1653 469 1717  
SINCE JUL 1 7978 7443 535 6988  
 
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 28 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 13.8  
 
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 56 5:00 AM  
LOWEST 10 3:00 PM  
AVERAGE 33  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 78 2021  
MINIMUM TEMPERATURE (F) 33 15 1967  
 
SUNRISE AND SUNSET  
APRIL 30 2023.........SUNRISE 6:15 AM MDT SUNSET 8:13 PM MDT  
MAY 1 2023...........SUNRISE 6:13 AM MDT SUNSET 8:14 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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