744  
CDUS45 KRIW 270737  
CLIRKS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
137 AM MDT SAT MAY 27 2023  
   
...............................
 
 
   
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR MAY 26 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 69 12:25 PM 87 1969 67 2 79  
MINIMUM 43 4:52 AM 25 1975 42 1 43  
AVERAGE 56 54 2  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.86 1999 0.04 -0.03 T  
MONTH TO DATE 0.47 1.08 -0.61 0.39  
SINCE MAR 1 0.91 2.57 -1.66 0.98  
SINCE JAN 1 1.14 3.32 -2.18 0.99  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 11 -2 4  
MONTH TO DATE 277 393 -116 448  
SINCE MAR 1 2408 2066 342 2188  
SINCE JUL 1 8264 7856 408 7459  
 
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 39 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 52 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 8.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 4:00 AM  
LOWEST 40 12:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 85 1969  
MINIMUM TEMPERATURE (F) 42 27 1973  
 
SUNRISE AND SUNSET  
MAY 27 2023...........SUNRISE 5:47 AM MDT SUNSET 8:40 PM MDT  
MAY 28 2023...........SUNRISE 5:47 AM MDT SUNSET 8:41 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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