139  
CDUS45 KRIW 210747  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
147 AM MDT TUE MAY 21 2024  
   
...............................  
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR MAY 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 48 12:03 AM 86 1954 65 -17 73  
MINIMUM 37 11:59 PM 26 2022 40 -3 42  
AVERAGE 43 52 -9  
 
PRECIPITATION (IN)  
YESTERDAY 0.18 1.09 1975 0.05 0.13 T  
MONTH TO DATE 0.67 0.85 -0.18 0.26  
SINCE MAR 1 2.27 2.34 -0.07 0.70  
SINCE JAN 1 2.74 3.09 -0.35 0.93  
 
DEGREE DAYS  
HEATING  
YESTERDAY 22 13 9 7  
MONTH TO DATE 345 324 21 246  
SINCE MAR 1 1973 1997 -24 2377  
SINCE JUL 1 7281 7787 -506 8232  
 
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 23 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 8:00 AM  
LOWEST 35 12:00 AM  
AVERAGE 66  
   
......................................................  
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 83 2012  
MINIMUM TEMPERATURE (F) 40 22 2022  
 
SUNRISE AND SUNSET  
MAY 21 2024...........SUNRISE 5:51 AM MDT SUNSET 8:35 PM MDT  
MAY 22 2024...........SUNRISE 5:50 AM MDT SUNSET 8:36 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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